X-ray systems · Proteus family

GE Healthcare Proteus XR/a: troubleshooting and error codes

The ServiceForge knowledge base holds 227 documented symptoms for the GE Healthcare Proteus XR/a, with 383 ranked causes, 498 diagnostic checks with test points and expected values, and 305 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Generator does not reply to system high voltage

System cannot communicate with generator; kV control LEDs may show specific patterns, RESET, or HALT status, or no LEDs lit

Ranked causes

1. No power on Generator (common)
2. EMC filter failure (occasional)
3. AC/DC diode bridge failure (occasional)
4. LVPS board failure (occasional)
5. CAN cable problem (occasional)
6. kV control board failure (occasional)
7. Heater board failure (occasional)
8. Rotation board failure (occasional)
9. AEC board failure (occasional)
10. IF board failure (occasional)

First check

Check if kV control LEDs S0-S7 are lit successively

Test point: kV control board LEDs S0-S7
Expected: LEDs lit successively

10 more checks with pass and fail actions, 10 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

kV regulation error high voltage

Slow speed safety circuit triggered by smooth kV spits or regulation problems

Ranked causes

1. Smooth HV tube spits (common)
2. kV control board regulation problem (common)
3. Too much line impedance (occasional)
4. Half of AC/DC capacitors open (occasional)
5. Inverter parallel inductor or filtering capacitors (occasional)
6. HV tank (occasional)

Error code 0311 reported during inverter short circuit test high voltage

No primary inductor current (Ilp) detected during short circuit diagnostic

Ranked causes

1. Parallel inductor disconnected or faulty (common)
2. Parallel inductor impedance incorrect (occasional)
3. Inverter capacitors broken (occasional)
4. Current transformer to gate_cmd board cable faulty (rare)
5. HV Tank to kV control cable faulty (rare)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error code 0323 reported high voltage

Both Ilr and Ilp currents not detected during inverter diagnostics

Ranked causes

1. -15 V DC supply not present on kV control board (common)
2. Current transformer cable disconnected (common)
3. Inverter inductors disconnected (common)
4. Gate_cmd to HV Tank or HV Tank to kV control cable fault (occasional)
5. Inverter fault (rare)

First check

Verify -15 V supply LED on kV control board

Test point: DS1 LED on kV control board
Expected: LED lit

2 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error code 0323 reported during inverter short circuit test high voltage

Both primary and series inductor currents (Ilp and Ilr) not detected

Ranked causes

1. -15V supply not present on kV control board (common)
2. Current transformer to gate_cmd board cable faulty (occasional)
3. Inverter inductors faulty (occasional)
4. HV Tank and kV control cabling faulty (occasional)
5. Inverter faulty (rare)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

3-phase CB1 breaker trips or AC fuses blown high voltage

Breaker trips or fuses blow in PDU when system powered up, indicating short circuit in generator power distribution

Ranked causes

1. IGBT in short circuit (common)
2. AC/DC or bridge rectifier in short circuit (common)
3. Bridge rectifier in short circuit (occasional)
4. EMC filter in short circuit (occasional)

First check

Disconnect DC bus cables between AC/DC and inverter

Test point: DC bus cables on AC/DC side
Expected: Cables disconnected without short circuit

4 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

AEC diagnostics failed patient safety

Diagnostic procedure to verify AEC (Automatic Exposure Control) function and ion chamber circuit operation

Ranked causes

1. AEC board fault (common)
2. IF board communication error (occasional)
3. kV control board communication fault (occasional)
4. Incorrect AEC board wiring or ion chamber connection (occasional)

First check

Verify application mode operating without AEC

Test point: Operator console in non-AEC mode
Expected: System operates normally

9 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Cassette size display radiation

Calibrate cassette detection and display sizing for correct field-of-view reporting on collimator

Ranked causes

1. Cassette sensing system not calibrated (common)
2. Baseline voltage offset TP5/TP6 out of spec (common)
3. Longitudinal film size sensor signal out of range (common)
4. Lateral film size sensor signal out of range (common)

First check

Verify cassette sensing cable is connected

Test point: Cassette sensor connector
Expected: Cable fully seated and secured
Tools: Visual inspection

10 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: SG100 Wall Stand SID (Source-to-Image Distance) radiation

Calibrate SID display for SG100 Wall Stand with Bucky positioning and potentiometer adjustment

Ranked causes

1. Microswitch S4/S5 Activator Cam positions require adjustment (occasional)
2. System Console parameter 9 does not match actual Microswitch position distance (common)
3. Potentiometer P4 out of adjustment (SG100 SID) (common)
4. Potentiometer PA2 requires auxiliary adjustment (occasional)

First check

Position Bucky for SG100 calibration

Test point: Bucky rotation and angulation
Expected: Rotate to 0° and angulate to 90° (horizontal)

5 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: SG120 Wall Stand SID (Source-to-Image Distance) radiation

Calibrate SID display for SG120 Wall Stand with Bucky positioning and potentiometer adjustment

Ranked causes

1. Microswitch S4/S5 Activator Cam positions require adjustment for SG120 (occasional)
2. System Console parameter 9 does not match actual SG120 Microswitch position distance (common)
3. Potentiometer P4 out of adjustment (SG120 SID) (common)
4. Potentiometer PA2 requires auxiliary adjustment for SG120 (occasional)

First check

Position Bucky for SG120 calibration

Test point: Bucky rotation and angulation
Expected: Rotate to 0° and angulate to 90° (horizontal)

5 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error code 0311 reported high voltage

No Ilp (parallel inductor current) detected during inverter diagnostics

Ranked causes

1. Parallel inductor disconnected or impedance fault (common)
2. Parallel inductor impedance not zero (occasional)
3. Inverter capacitor set broken (occasional)
4. kV control board fault (rare)

First check

Verify parallel inductor connection

Test point: Parallel inductor connectors on inverter
Expected: Securely connected

2 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error code 0312 reported high voltage

No Ilr (series inductor current) detected during inverter diagnostics

Ranked causes

1. Series inductor disconnected or faulty (common)
2. Series current transformer impedance fault (occasional)
3. Inverter capacitor set broken (occasional)
4. kV control board fault (rare)

First check

Verify series inductor connections

Test point: Series inductor connectors on inverter
Expected: Securely connected

1 more check with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error code 0312 reported during inverter short circuit test high voltage

No series inductor current (Ilr) detected during short circuit diagnostic

Ranked causes

1. Series inductors disconnected or faulty (common)
2. Series current transformer faulty (occasional)
3. Inverter capacitors broken (occasional)
4. HV Tank to kV control cable faulty (rare)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error code 0314 reported high voltage

Ilr current resonant frequency is lower than expected

Ranked causes

1. Series inductors disconnected or faulty (common)
2. Inverter capacitor set broken (occasional)
3. Current transformer impedance fault (occasional)
4. kV control board fault (rare)

First check

Verify inductor connections

Test point: Inductor connectors on inverter
Expected: Securely connected

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Filament permanent open circuit high voltage

Open circuit detected in filament and 3 restarts attempted without success within 100 ms

Ranked causes

1. X-ray tube filament open (common)
2. Heater to HV tank cable disconnected (occasional)
3. Cathode HV cable or pin contacts failing (occasional)
4. Open circuit in filament transformer inside HV Tank (occasional)

First check

Measure filament winding resistance

Test point: Heater transformer primary or secondary
Expected: Resistance measured (not open)

Lamp cannot be switched on

Lamp fails to light when lamp button on front panel is pushed

Ranked causes

1. Lamp failure (common)
2. UIF board failure (occasional)
3. System lamp power failure (occasional)
4. UIF board or UIF panel failure (rare)

First check

Check cable connections

Test point: J4, J7, J8 on user interface board
Expected: Stable cable connection

2 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

MAINS_DROP detected (heater) caution

Firmware detected mains_drop signal activation and transmitted error to kV control

Ranked causes

1. Interference spikes (occasional)
2. Mains power drop (occasional)
3. Cable or connector contact in DC bus (occasional)
4. Heater board failure (occasional)

First check

Check DC bus voltage stability

Test point: DC bus between AC/DC and auxiliary unit
Expected: Stable, no dropout

MAINS_DROP detected (rotation) caution

Firmware detected mains_drop signal activation and transmitted error to kV control

Ranked causes

1. Interference spikes (occasional)
2. Mains power drop (occasional)
3. Cable or connector contact issue in DC bus (occasional)
4. Rotation board failure (occasional)

First check

Measure mains supply voltage stability

Test point: AC mains input
Expected: Stable, no dropout

Rotation current openload caution

Rotation board detected no current flowing to the motor

Ranked causes

1. Tube stator winding open circuit (common)
2. Incorrect wiring open (occasional)
3. No DC bus on Rotation board (occasional)
4. Rotation board failure (occasional)

First check

Measure rotation motor winding resistance

Test point: Tube stator winding terminals
Expected: Resistance measured (not open)

AEC diagnostics result 0001000 patient safety

AEC to IF board communication error detected

Ranked causes

1. AEC board fault (common)
2. IF board communication fault (occasional)
3. kV control board communication fault (occasional)

First check

Replace AEC board

Test point: AEC board connector
Expected: AEC board properly installed and connected

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bucky angulation motion not smooth or lock does not release (SG120) patient safety

SG120 bucky angulation lacks smooth motion or angulation lock fails to release

Ranked causes

1. Bearing wear or misalignment at bucky pivot point (occasional)
2. Angulation lock board electrical fault (occasional)
3. Lock hardware misalignment or wear (occasional)

First check

Press angulation lock pushbutton and attempt bucky tilt

Test point: Bucky angulation motion
Expected: Bucky tilts forward 20° and backward 90° freely and smoothly

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bucky rotation does not lock or slips during locked state (SG100) patient safety

Bucky rotation lock mechanism fails to prevent rotation or allows rotation when locked

Ranked causes

1. Lock hardware misalignment or wear (occasional)
2. Brake pad wear or improper adjustment of threaded rods (common)
3. Arm assembly wear requires replacement (rare)

First check

Release rotation lock lever and attempt bucky rotation

Test point: Bucky rotation range
Expected: Bucky rotates easily from 0° to 180° (upright to upside down)

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: SG100 wall stand SID display radiation

Source-to-image distance (SID) display on OTS console must match actual physical distance when Bucky moves vertically

Ranked causes

1. SID sensor output not calibrated (common)
2. Microswitch S4/S5 activator cam positions incorrect (common)
3. Potentiometer PA3 scaling incorrect (common)

First check

Verify SID display changes when moving OTS vertically

Test point: OTS console SID display
Expected: Display increments/decrements as OTS moves up and down
Tools: OTS console, measure tape on collimator

3 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: SG120 wall stand SID display radiation

Source-to-image distance (SID) display on OTS console for SG120 wall stand must match actual physical distance when Bucky moves vertically

Ranked causes

1. SID sensor output not calibrated for SG120 (common)
2. Microswitch S4/S5 activator cam positions incorrect on SG120 (common)
3. Potentiometer PA3 scaling incorrect for SG120 (common)

First check

Verify SID display changes when moving OTS vertically on SG120

Test point: OTS console SID display
Expected: Display increments/decrements as OTS moves
Tools: OTS console, measure tape

3 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: SID (Source-to-Image Distance) display radiation

Adjust potentiometers and verify SID display on OTS console matches actual table and OTS positions throughout travel range

Ranked causes

1. Potentiometer PA1 out of adjustment (table SID) (common)
2. Potentiometer PA3 out of adjustment (OTS vertical SID) (common)
3. Potentiometer P5 requires calibration adjustment (common)

First check

Ensure DIP Switch settings in red color

Test point: DIP Switch positions 1 and 2
Expected: On

7 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Workstation Parameters

Configure workstation selection, tube, exposure chamber, screen-film combination, and function key assignments using JEDI service software

Ranked causes

1. Workstation parameters not configured or incorrect (common)
2. Renard or Normal kV scale not set correctly (occasional)
3. Date and time not set (occasional)

First check

Verify workstation type selected

Test point: TECH menu display
Expected: Correct workstation type shown in reverse video

5 more checks with pass and fail actions, 5 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error code 0001000 reported during AEC diagnostic

AEC board communication error detected

Ranked causes

1. AEC board faulty (common)
2. IF board faulty (occasional)
3. kV control board faulty (rare)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Error code 0314 reported during inverter short circuit test high voltage

Series current (Ilr) resonant frequency lower than expected

Ranked causes

1. Series inductors disconnected or faulty (common)
2. Inverter capacitors broken (occasional)
3. Current transformer impedance incorrect (rare)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

ILP and ILR current not OK high voltage

No inverter current measured at beginning of exposure

Ranked causes

1. Inverter LC resonant circuit failure (common)
2. Inverter board failure (occasional)
3. kV control board failure (occasional)

First check

Measure both ILP and ILR currents at exposure start

Test point: Inverter resonant circuit current outputs
Expected: Both currents present within 0.5 ms

ILP current not OK high voltage

Current in parallel resonant circuit of inverter did not rise at beginning of exposure

Ranked causes

1. Inverter LC resonant circuit failure (common)
2. Inverter board failure (occasional)
3. kV control failure (occasional)

First check

Measure LC resonant circuit current at exposure start

Test point: Inverter parallel resonant circuit
Expected: Current rises within 0.5 ms

ILR current not OK high voltage

Current in serial resonant circuit of inverter did not rise at beginning of exposure

Ranked causes

1. Inverter LC resonant circuit failure (common)
2. Inverter board failure (occasional)
3. kV control failure (occasional)

First check

Measure LC resonant circuit current at exposure start

Test point: Inverter serial resonant circuit
Expected: Current rises within 0.5 ms

ILR Current time out high voltage

Current resonant frequency is lower than expected

Ranked causes

1. kV control failure (common)
2. Inverter board failure (occasional)
3. Current measurement circuit failure (occasional)

First check

Measure resonant circuit frequency

Test point: ILR circuit oscillation frequency
Expected: Within specification

mA scale error radiation

mA measured too low or too high relative to mA demand 20 ms after exposure start

Ranked causes

1. kV control board failure (common)
2. Default filament currents not correctly adjusted (occasional)
3. HV Tank failure (rare)

First check

Measure actual mA and compare to demand value

Test point: mA feedback and mA command
Expected: Actual mA within spec of demanded value

No CAN message received (heater board)

Heater board has not received command from kV control main software for 5 seconds, loss of communication

Ranked causes

1. kV Control main software lost (common)
2. kV control or Heater board driver failure (common)
3. Bad contact on CAN bus line connector (occasional)

First check

Verify kV control main software status

Test point: Software status display
Expected: Software active

No CAN message received (rotation board)

Rotation board has not received any signal from kV control main software for the last 5 seconds, interpreted as loss of communication

Ranked causes

1. kV Control main software lost (common)
2. kV control or Rotation board driver failure (common)
3. Bad contact on CAN bus line connector (occasional)

First check

Verify kV control main software is running

Test point: Software status display
Expected: Software active

No kV feedback on anode side radiation

kV measured less than 12 kV at 0.5 ms after start of exposure on anode side only

Ranked causes

1. HV cable short circuit (occasional)
2. HV tank failure (occasional)
3. kV control board failure (rare)

First check

Measure anode-side kV 0.5 ms after exposure start

Test point: Anode kV feedback circuit
Expected: >12 kV

No kV feedback on cathode side radiation

kV measured less than 12 kV at 0.5 ms after start of exposure on cathode side only

Ranked causes

1. HV cable short circuit (occasional)
2. HV tank failure (occasional)
3. kV control board failure (rare)

First check

Measure cathode-side kV 0.5 ms after exposure start

Test point: Cathode kV feedback circuit
Expected: >12 kV

No mA feedback radiation

No mA feedback detected 20 ms after beginning of exposure

Ranked causes

1. HV tank failure (occasional)
2. kV control board failure (occasional)
3. X-ray tube filament open (occasional)

First check

Measure mA 20 ms after exposure start

Test point: mA feedback from HV tank
Expected: mA measured above threshold

Rotation Inverter permanent overcurrent high voltage

Overcurrent detected and 3 restart attempts failed unsuccessfully within a single rotation state

Ranked causes

1. Rotation board failure (common)
2. Tube stator winding short circuit (occasional)
3. Wiring shorted (occasional)

First check

Check stator winding continuity and insulation

Test point: Tube stator winding terminals
Expected: Resistance within spec; no short to ground

Rotation phases unbalanced caution

Amplitude difference of current between main and auxiliary rotation phases is too large

Ranked causes

1. One rotation wire missing (occasional)
2. Rotation board failure (occasional)
3. Wrong tube configuration database (rare)

First check

Measure current amplitude main vs auxiliary phases

Test point: Main and auxiliary rotation windings
Expected: Amplitude difference within spec

SG100 vertical locks do not function correctly patient safety

Vertical locks either do not engage or remain engaged when operating lock handle

Ranked causes

1. No 24 VDC between TP-9 and TP-10 (common)
2. Defective handle microswitch or relay K11 (occasional)
3. Relay K14 malfunction (lock release delayed) (rare)

First check

Measure voltage at lock board test points

Test point: TP-9 and TP-10
Expected: 24 VDC

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Three-phase CB1 breaker trips or AC fuses blown high voltage

Main AC input protection device trips or fuses blow on generator power supply, indicating short circuit in power distribution

Ranked causes

1. IGBT in short circuit in inverter (common)
2. AC/DC or bridge rectifier in short circuit (common)
3. EMC filter in short circuit (occasional)

First check

Disconnect DC bus cables between AC/DC and inverter

Test point: DC bus cables on AC/DC board side
Expected: Cables safely disconnected with no voltage present

5 more checks with pass and fail actions are in ServiceForge. Connect ServiceForge to your AI

Tube spit detection - kV- dropped high voltage

X-ray tube spit with high voltage cathode side voltage dropped

Ranked causes

1. Cathode side tube spit (common)
2. Cathode HV cable (occasional)
3. HV tank (occasional)

Tube spit detection - kV+ dropped high voltage

X-ray tube spit with high voltage anode side voltage dropped

Ranked causes

1. Anode side tube spit (common)
2. Anode HV cable (occasional)
3. HV tank (occasional)

Vertical locks do not engage or remain locked (SG100) patient safety

SG100 wall stand vertical locks fail to engage when lock handle released or remain engaged when handle operated

Ranked causes

1. Loss of 24 VDC to electromechanical lock (common)
2. Handle microswitch failure (occasional)
3. Relay K11 malfunction (occasional)

First check

Verify 24 VDC supply to lock system

Test point: TP-9 and TP-10
Expected: 24 VDC present when lock handle released

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

AEC ion chamber HV power supply test failed

AEC HV power supply voltage measurement incorrect for ion chamber cells

Ranked causes

1. AEC HV power supply faulty (common)
2. Ion chamber cell wiring faulty (occasional)

First check

Measure HV power supply with no cell selected

Test point: AEC multiplex output
Expected: 0 V

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bucky angulation does not lock or releases inadvertently (SG100) patient safety

Bucky angulation lock fails to hold position or binds during angulation motion

Ranked causes

1. Lock hardware misalignment or wear (occasional)
2. Bearing wear at bucky pivot point (occasional)

First check

Release angulation lock and tilt bucky forward and backward

Test point: Bucky angulation range and motion smoothness
Expected: Bucky tilts forward 20° and backward 90° freely and smoothly

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bucky angulation lock does not release caution

Angulation lock push button does not release the lock, or Bucky cannot tilt freely forward 20 degrees and backward 90 degrees.

Ranked causes

1. Lock board malfunction (common)
2. Bearing wear or damage at Bucky pivot point (occasional)

First check

Release angulation lock and verify Bucky tilts freely

Test point: Bucky tilt mechanism
Expected: Bucky tilts forward 20 degrees and backward 90 degrees freely and smoothly

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: AEC KG parameter (grid correction) radiation

Ionization chamber 2 grid correction calibration for multi-chamber systems using automatic exposure control. Applies only when multiple ionization chambers present.

Ranked causes

1. KG calibration required for second ionization chamber in multi-chamber setup (common)
2. KG calibration in application mode when SID differs from KVEF setup (occasional)

First check

Select screen-film combination A (slowest preferred)

Test point: Calibration menu
Expected: Film type A selected

5 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: AEC KTIME parameter (exposure time correction) radiation

Calibration of exposure time correction parameters for automatic exposure control across 4 or 6 time intervals (10ms to 3.2s).

Ranked causes

1. KTIME calibration needed for 4 or 6 exposure time values (common)
2. Film darkness correction needed for exposure times below 10 ms (occasional)

First check

Verify KTIME preliminary T values

Test point: Service mode MENU4/AEC/F5/KTIME
Expected: T0=10ms, T1=100ms, T2=500ms, T3=1000ms, T4=2000ms, T5=3200ms
Tools: Service mode access

4 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Automated AEC Calibration radiation

Perform AEC (Automatic Exposure Control) system calibration using sensitometer and densitometer to ensure consistent film density

Ranked causes

1. AEC calibration not performed or requires update (common)
2. Positioner, collimator, or X-ray generator not configured (occasional)

First check

Perform tube warmup

Test point: X-ray tube
Expected: Tube warmed to operating temperature

3 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Backup & Restore Database Setup Parameters

Backup CPU memory parameters to floppy disk for rapid restoration or recovery after KV Control Board change

Ranked causes

1. Need to preserve CPU NVRAM setup parameters for system continuity (common)
2. Need to restore CPU NVRAM after KV Control Board replacement (occasional)

First check

Verify service laptop configuration and JEDI software installation

Test point: Service laptop
Expected: Laptop configured with JEDI service software installed

5 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Film size detection

Film size display incorrect after cassette insertion; requires voltage adjustment at test points

Ranked causes

1. Incorrect voltage at film size sensor TP9 (common)
2. Incorrect voltage at film size sensor TP10 (common)

First check

Measure voltage between TP9 and GND

Test point: TP9
Expected: –0.84V±0.01V, ±0.01V
Tools: DMM

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Film size display incorrect

Film size display does not match inserted cassette size after cassette insertion or repositioning

Ranked causes

1. Cassette position sensor voltage out of calibration (common)
2. Second cassette sensor voltage out of calibration (common)

First check

Measure sensor voltage at TP9

Test point: TP9 to GND
Expected: -0.84V±0.01V, ±0.01V

2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: JEDI 38-2 accuracy and reproducibility radiation

Verify mAs display accuracy across 60/80/120 kVp and reproducibility of exposures in 2-point mode; measure coefficient of variation (C) and linearity (L)

Ranked causes

1. Calibration adjustment required (unknown)
2. Reproducibility and linearity out of tolerance (unknown)

First check

Verify mAs display accuracy at 60 kVp

Test point: Control Console post-display
Expected: At 0.5 mAs input, display 0.74 mAs; at 20 mAs input, display 21.72 mAs; at 80 mAs input, display 86.28 mAs

4 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Light field – X-ray field alignment

Align collimator light field with X-ray field and calibrate line laser position for Proteus XR/a collimator

Ranked causes

1. Light field and X-ray field misalignment due to shipment or operational variation (occasional)
2. Line laser misaligned from light field center by more than 3mm (occasional)

First check

Power off system

Test point: Main power switch
Expected: System powered off

8 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: New tube operation verification radiation

Verify X-ray tube function and clear error logs after tube replacement with series of exposures at varying parameters.

Ranked causes

1. Tube replacement requires functional verification and error log clearance before clinical use (common)
2. Tube replacement documentation and shipment requirements (unknown)

First check

Execute test exposures at low kV and mA settings

Test point: Direct workstation exposure controls
Expected: Proper X-ray generation at low parameters, tube responds normally

5 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Tube configuration database selection

Load appropriate JEDI Service Software database file matching installed X-ray tube type and power rating. Includes verification of console display parameters after load.

Ranked causes

1. Different tube types and power ratings require matching database to ensure proper operation (common)
2. Database mismatch prevents proper system operation and damages components (common)

First check

Identify installed X-ray tube type and power rating

Test point: Equipment nameplate or maintenance records
Expected: Tube designation (RAD 12/14/21 or MX 100) and power (32/50/65/80 kW) clearly identified

10 more checks with pass and fail actions, 12 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Workstation parameters configuration

Configure JEDI Service Software workstation programming for tube selection, exposure mode settings, AEC chamber selection, and film-screen combinations via TECH menu.

Ranked causes

1. Each installation requires workstation-specific parameter configuration via JEDI Service Software (unknown)
2. JEDI software preprogrammed values may not match room actual parameters requiring verification (occasional)

First check

Access TECH setup menu from JEDI Service Software

Test point: Setup mode menu 3 display
Expected: TECH menu accessible via F1 function key from menu 3

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Carriage motion not smooth or exhibits side play (SG100) caution

SG100 carriage does not move freely or smoothly over travel range; exhibits excessive side play

Ranked causes

1. Counterweights missing, misaligned, or trim covers improperly installed (common)
2. Bearing wear or misalignment at bucky pivot (occasional)

First check

Inspect counterweight installation and positioning

Test point: Counterweights and trim covers
Expected: All counterweights correctly positioned; trim covers fully installed

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

More symptoms

Current under estimated fork range (low)
DS100 and/or DS200 LEDs off
Error code 0301-0304/0309-0314/0319/0323 reported
Error code 0505 reported
Error code 0505 reported during inverter short circuit test
Error codes 0301/0302/0303/0304/0309/0310/0311/0312/0313/0314/0319/0323 reported
Error codes 0501/0503/0504 reported
Filament current too high on inverter 1 for Boost
Filament current too high on inverter 1 for Heat
Filament current too high on inverter 1 for Pre-Heat
FPGA problem; Safety hit with unknown reason
Inverter max ILR current detected
No kV Feedback on both anode and cathode
PRD error (heater)
Re-starting safety triggered
Rotation current overload
Rotation function error codes 0103H–0106H
SG100 bucky angulation lock does not release
SG100 bucky rotation lock does not engage or slips
Software or database corrupt
Vertical locks do not release smoothly
AEC diagnostic test failed - error code not 1111111
AEC diagnostics result other combinations
AEC gain test (x10) failed
AEC parameters recording
AEC return measurement test failed
APR floppy disk recovery from floppy to floppy console
APR recovery from floppy disk console to USB disk console
APR recovery from USB disk console to USB disk console
Boost too long on inverter 1
Bucky angulation lock does not hold
Bucky angulation lock does not hold position or binds
Bucky angulation locks do not engage when releasing lock handle
Bucky angulation locks remain engaged when operating lock handle
Bucky angulation microswitches not actuating
Bucky grid does not oscillate during exposure
Bucky grid exposure shows shading or objectionable grid lines
Bucky grid not oscillating or oscillation not audible
Bucky locks fail to engage when equipment switched on
Bucky rotation lock does not engage
Bucky rotation lock does not engage or binds
Bucky rotation lock does not release
Bucky rotation lock not engaging properly
Bucky rotation microswitches not actuating
Bucky vertical locks remain engaged when operating lock handle
Bucky vertical motion not smooth or operating force excessive
Calibration: AEC KF format parameters
Calibration: AEC KF parameter (cassette sensitivity)
Calibration: AEC KF parameter (format correction)
Calibration: AEC KG grid correction parameters
Calibration: AEC KTIME parameter (time constant)
Calibration: AEC KVEF parameter (kV efficiency factor)
Calibration: AEC KVEF parameter acquisition
Calibration: Anti-collision buzzer disable
Calibration: Anti-collision switch adjustment
Calibration: Anti-collision switches adjustment
Calibration: Automatic Exposure Control (AEC)
Calibration: Checksum Validation
Calibration: Collimator Bulb Intensity
Calibration: Collimator bulb light intensity equality
Calibration: CPU memory backup
Calibration: CPU memory restore
Calibration: DOSE Calibration
Calibration: DOSE calibration setup
Calibration: Invasive mA measurement setup
Calibration: JEDI 38-2 AEC reproducibility
Calibration: KF parameter entry
Calibration: KG parameter entry
Calibration: KTIME parameter entry
Calibration: KVEF parameter entry
Calibration: Lateral cell check
Calibration: Lateral film size
Calibration: Line laser adjustment
Calibration: Longitudinal film size
Calibration: mA measurement procedure
Calibration: Manual Collimator Bulb Voltage
Calibration: Manual collimator lamp voltage
Calibration: Microswitch S4 and S5 Activator Cam adjustment for Auto Exposure positions
Calibration: Microswitch S4 and S5 positioning
Calibration: SG100 Wall Stand counterweight
Calibration: SG120 Wall Stand counterweight
Calibration: SG120 Wall Stand Vertical Locks
Calibration: SID (Source-to-Image Distance)
Calibration: SID (Source-to-Image Distance) measurement
Calibration: Software restoration for JEDI 7-2
Calibration: Table height limitation
Calibration: Touch screen (PN 2259976 with floppy disk)
Calibration: Touch screen (PN 5462233 with USB)
Calibration: Touch screen positioning
Calibration: Tube Configuration
Calibration: Tube data tracking reset
Calibration: Wall bucky lateral film size
Calibration: Wall bucky longitudinal film size
Calibration: Wall Stand counterweight
Calibration: X-ray Tube Warm Up
Carriage motion not smooth or exhibits side play (SG120)
Cassette size detection verification
Cassette size not displayed correctly on OTS console and collimator
Cassette tray pull-out or pull-in movement is not smooth
Checksum validation
Collimator bulb replacement
Current under estimated fork/range (high)
Database not correct (rotation board)
DS1 neon not lit
DS101/DS102/DS201/DS202 LEDs off during normal operation
DS300 neon not lit
Error code 0313 reported
Error code 0313 reported during inverter short circuit test
Error code 0320 reported
Error code 0501/0503/0504 reported
Error message from rotor firmware
F0 main frequency problem
Filament Database not correct (tubes 1-4)
Filament selection error
Float operation not functioning
Heater command error
Heater inverter permanent overcurrent
Heater Inverter permanent short circuit
Inverter short circuit diagnostic procedure
kV detected during kV diagnostics
kV did not reach 75% after 20 ms
kV MAX detected
kV unbalanced detected
Laser light alignment verification
Lateral cell response check
Measured current while inverter OFF
Microswitch S1 not actuated at vertical position
Microswitch S1 not actuated at vertical position (SG100)
Microswitch S1 not actuated at vertical position (SG120)
Microswitch S2-1 not actuated at 0 degrees rotation
Microswitch S2-1 not actuated at 0° rotation (SG100)
Microswitch S2-2 not actuated at 180 degrees rotation
Microswitch S2-2 not actuated at 180° rotation (SG100)
Microswitch S3 not actuated at horizontal position
Microswitch S3 not actuated at horizontal position (SG100)
Microswitch S3 not actuated at horizontal position (SG120)
Microswitch S4 not actuated at near vertical SID point
Microswitch S4 not actuated at near vertical SID point (SG100)
Microswitch S5 not actuated at far vertical SID point
Microswitch S5 not actuated at far vertical SID point (SG100)
No load HV diagnostic procedure
One of DS101/DS102/DS201/DS202 LEDs off while no error reported
PRD error (rotation)
Record AEC parameters mAs0 and table values
Replacement note: Rotation Capacitor Set when changing database files
Rotation command error
Rotation phase error
SG100 carriage motion not smooth or has excessive side play
Software download to generator
Software version verification
Spit Max error
Spit retry failed
System console replacement
System console replacement - warning labels verification
Table does not move with Up/Down pedal
Table height does not meet specification
Table height out of specification
Table up/down floats when pedal not depressed
Tomo-link system installation and calibration
Tube replacement software procedure
Tube spit detection - kV+ and kV- dropped
Unknown heater error
Unknown Rotation error
Vertical lock release delayed (SG100)
Vertical locks do not engage or remain locked (SG120)
Vertical SID point microswitches not actuating
Wall bucky does not move smoothly or requires excessive force

167 more symptoms with ranked causes and checks are in ServiceForge. Connect ServiceForge to your AI

Error codes

Code	Meaning	Trigger	Severity
`0001000`	AEC board communication error	AEC diagnostic test execution	error
`0101H`	No CAN message received within 5 secs	Communication failure on CAN bus for rotation function	critical
`0102H`	Database not correct	Rotation database validation failure	critical
`0103H`	Rotation function error	Detected during rotation diagnostic in high speed mode only	error
`0104H`	Rotation function error	Detected during rotation diagnostic in high speed mode only	error
`0105H`	Rotation function error	Detected during rotation diagnostic in high speed mode only	error
`0106H`	Rotation function error	Detected during rotation diagnostic in high speed mode only	error
`0107H`	Rotation Inverter permanent overcurrent	Rotation inverter detects sustained overcurrent condition	critical
`0108H`	Rotation command error	Invalid or malformed rotation command received	critical
`0109H`	MAINS_DROP has failed	Main power supply monitoring has failed	critical
`0110H`	PRD error	Power-on diagnostics failure in rotation circuit	critical
`0111H`	F0 main frequency problem	Main power frequency is incorrect or unstable	critical
`0149H`	Unknown Rotation error	Unclassified rotation subsystem error detected	critical
`0151H`	CAN Domain command number error	CAN Domain command sequence number is incorrect	info
`0152H`	CAN Domain request with no transfer init	CAN Domain request received without transfer initialization	info
`0153H`	CAN Domain Toggle bit error	CAN Domain toggle bit is incorrect	info
`0154H`	CAN Domain : less than 2 data to download	CAN Domain download has insufficient data	info
`0155H`	CAN Domain Abort received & applied	CAN Domain transfer was aborted	info
`0156H`	Bad index in config upload	Configuration upload contains invalid index value	info
`0157H`	Tube switch while rotor not off	Tube selection changed while rotor is still spinning	info
`0158H`	Acceleration cmd while no tube selected	Rotor acceleration command issued without tube selection	info
`0159H`	Acceleration cmd while database not OK	Rotor acceleration command issued before database is valid	info
`0160H`	Database download while rotor speeding	Configuration database download started while rotor is rotating	info
`0161H`	Acceleration command not OK	Rotor acceleration command validation has failed	info
`0162H`	Rotor acceleration while in error	Rotor acceleration command attempted while system in error state	info
`0163H`	No CAN message received within 4 secs	CAN bus timeout during rotation operation	warning
`0164H`	Rotation Inverter overcurrent (< 3 times)	Inverter current exceeds threshold less than 3 times	warning
`0180H`	Rotor board communication problem	Communication failure with rotor control board	critical
`0181H`	Rotor board has reset	Rotor control board reset unexpectedly	critical
`0199H`	Unknown rotation warning	Unclassified rotation system warning detected	warning
`0201H`	No CAN message received within 5 secs	Communication failure on CAN bus for heater function	critical
`0203H`	Heater inverter permanent overcurrent	Heater inverter detects sustained overcurrent condition	critical
`0204H`	Filament permanent open circuit	Filament circuit is open or disconnected	critical
`0205H`	Heater Inverter permanent short circuit	Heater inverter detects short circuit condition	critical
`0206H`	Filament too high for Pre-heat	Filament current exceeds limit during pre-heat phase	critical
`0207H`	Filament too high for Boost	Filament current exceeds limit during boost phase	critical
`0208H`	Filament too high for Heat	Filament current exceeds limit during heat phase	critical
`0209H`	Heater command error	Invalid or malformed heater command received	critical
`0210H`	Current under estimated fork	Measured filament current is below expected range	critical
`0211H`	Current over estimated fork	Measured filament current is above expected range	critical
`0212H`	MAINS_DROP detected	Main power supply has dropped during heater operation	critical
`0213H`	PRD error	Power-on diagnostics failure in heater circuit	critical
`0214H`	Stay too long in Boost	Filament remains in boost phase beyond allowed time	critical
`0215H`	Filament selection error	Invalid filament selection or database mismatch	critical
`0216H`	Measured current while inverter OFF	Current detected when heater inverter is off	critical
`0221H`	Filament Database not correct	Filament configuration database validation failure	critical
`0248H`	Unknown Heater error	Unclassified heater subsystem error detected	critical
`0251H`	Received command is not OK	Invalid heater command received	warning
`0252H`	Heater command not OK	Heater command validation failure	warning
`0253H`	No CAN message received within 4 secs	CAN bus timeout during heater operation	warning
`0254H`	Heater inverter overcurrent (inverter1) (<3 times)	Inverter1 current exceeds threshold less than 3 times	warning
`0255H`	Filament open circuit (inverter1) (<3 times)	Filament continuity loss in inverter1 less than 3 times detected	warning
`0256H`	Heater Inverter short circuit (inverter1) (<3times)	Inverter1 short circuit detected less than 3 times	warning
`0257H`	Tube switch while filaments not OFF	Tube switching commanded while filament heating still active	warning
`0258H`	CAN Domain command number error	CAN message domain command counter mismatch or corruption	warning
`0259H`	CAN Domain request with no transfer init	CAN data transfer requested without proper initialization	warning
`0260H`	CAN Domain Toggle bit error	CAN toggle bit sequence mismatch detected	warning
`0261H`	CAN Domain : less than 2 data to download	Download initiated with insufficient data segments	warning
`0262H`	CAN Domain Abort received & applied	System received and executed abort command on CAN bus	warning
`0263H`	Database download while heater not cut	Attempted database update while heater supply still active	warning
`0280H`	Heater board communication problem	Communication failure with heater control board	critical
`0281H`	Heater board has reset	Heater control board reset unexpectedly	critical
`0299H`	Unknown Heater warning	Unclassified heater system warning detected	warning
`0301`	kV control board error during inverter diagnostics	Detected during inverter short circuit or HV diagnostics	error
`0301/0302/0303/0304/0309/0310/0311/0312/0313/0314/0319/0323`	Multiple kV control or inverter faults during short circuit diagnostic	Short circuit diagnostic test sequence	error
`0301H`	Tube spit (kV+ and kV- dropped)	High voltage regulation failure during tube operation	error
`0302`	kV control board error during inverter diagnostics	Detected during inverter short circuit or HV diagnostics	error
`0302H`	Tube spit (kV+ has dropped)	Positive high voltage has dropped unexpectedly	error
`0303`	kV control board error during inverter diagnostics	Detected during inverter short circuit or HV diagnostics	error
`0303H`	Tube spit (kV- has dropped)	Negative high voltage has dropped unexpectedly	error
`0304`	kV control board error during inverter diagnostics	Detected during inverter short circuit or HV diagnostics	error
`0304H`	Tube spit (kV regulation error)	High voltage regulation failure during tube operation	error
`0305H`	FPGA problem (restarting safety signal)	Field programmable gate array safety signal restarted	error
`0306H`	No kV Feedback on anode	High voltage anode feedback signal is missing or invalid	error
`0307H`	No kV Feedback on cathode	High voltage cathode feedback signal is missing or invalid	error
`0308H`	No kV Feedback on anode and cathode	Both anode and cathode feedback signals are missing	error
`0309`	kV control board error during inverter diagnostics	Detected during inverter short circuit or HV diagnostics	error
`0309H`	kV detected during kV diag	High voltage detected when it should be absent during diagnostics	error
`0310`	kV control board error during inverter diagnostics	Detected during inverter short circuit or HV diagnostics	error
`0310H`	kV max detected	High voltage exceeds maximum safe limit	error
`0311`	No Ilp (parallel inductor current) detected	During inverter short circuit diagnostic	error
`0311H`	ILP current not OK	ILP (left phase) current is out of specification	error
`0312`	No Ilr (series inductor current) detected	During inverter short circuit diagnostic	error
`0312H`	ILR current not OK	ILR (right phase) current is out of specification	error
`0313`	kV control board internal error	During inverter short circuit diagnostic	error
`0313H`	ILR max current detected	ILR (right phase) current exceeds maximum limit	error
`0314`	Ilr current resonant frequency lower than expected	During inverter short circuit diagnostic	error
`0314H`	ILR current timeout	ILR current measurement took too long to stabilize	error
`0316H`	Spit Max error	Tube spit magnitude exceeded maximum threshold	error
`0317H`	Spit Ratio error	Ratio between spit events indicates abnormal pattern	error
`0318H`	kV did not reach 75% after 20ms	High voltage ramp too slow during startup	error
`0319`	kV control board error during inverter diagnostics	Detected during inverter short circuit or HV diagnostics	error
`0319H`	kV unbalanced detected	Positive and negative high voltages are not balanced	error
`0320`	Persisting kV control or inverter fault	Short circuit or no load diagnostic test continuation after initial fault	error
`0320`	kV control board error that persists after diagnostics	During inverter diagnostics when problem remains after cable checks	error
`0320H`	FPGA problem (safety signal)	Field programmable gate array safety signal failure	error
`0321H`	Spit retry failed	Attempt to recover from tube spit was unsuccessful	error
`0321H`	kV conversion error	High voltage analog to digital conversion has failed	critical
`0322H`	kV ref ADC / DAC failed	Reference or analog conversion circuit has failed	critical
`0323`	Both Ilr and Ilp currents not detected	During inverter short circuit diagnostic	error
`0323H`	ILP and ILR current not OK	Both ILP and ILR currents are out of specification	error
`0324H`	SPITS (data=1:Anode,2:cathode,4:Both,8:kV regul)	Tube spit event with specified component affected	error
`0401H`	No mA feedback	Tube current (mA) feedback signal is missing or invalid	error
`0402H`	mA scale error	mA measurement scale or calibration is incorrect	error
`0403H`	mA accuracy exceeded 5%	mA measurement error exceeds 5% tolerance	error
`0501`	kV control or inverter fault	During inverter diagnostics	error
`0501/0503/0504`	kV control or inverter fault during diagnostics	Short circuit or no load diagnostic test execution	error
`0501H`	DC bus out of range	DC bus voltage is outside safe operating limits	critical
`0503`	kV control or inverter fault	During inverter diagnostics	error
`0503H`	Inverter Gate Power Supply error	Gate drive power supply voltage is incorrect	critical
`0504`	kV control or inverter fault	During inverter diagnostics	error
`0504H`	Inverter Gate Power Supply failed	Gate drive power supply for inverter has failed	error
`0505`	Isolation fault between inverter components and ground	During inverter diagnostics	error
`0505H`	Mains power supply has dropped during exposure	Main power supply failure occurred during exposure	critical
`0506H`	DC bus 1 phase precharge error	DC bus precharge failed for single phase mode	critical
`0507H`	DC bus 1 phase discharge error	DC bus discharge failed for single phase mode	critical
`0510H`	AEC Cell HV supply error	High voltage supply for AEC cell is faulty	critical
`0549H`	Unknown LVPS error	Unclassified low voltage power supply error detected	critical
`0550H`	No more warn +160V too low or too high	Recovery from +160V voltage warning condition	info
`0551H`	Detected +160V too high	+160V supply exceeded high threshold	warning
`0553H`	Detected +160V too high	+160V supply voltage is above maximum limit	critical
`0555H`	Detected +160V too low	+160V supply dropped below low threshold	warning
`0557H`	Detected +160V too low	+160V supply voltage is below minimum limit	critical
`0560H`	No more warn +15V too low or too high	Recovery from +15V voltage warning condition	info
`0561H`	Detected +15V too high	+15V supply exceeded high threshold	warning
`0563H`	Detected +15V too high	+15V supply voltage is above maximum limit	critical
`0565H`	Detected +15V too low	+15V supply dropped below low threshold	warning
`0567H`	Detected +15V too low	+15V supply voltage is below minimum limit	critical
`0570H`	No more warn -15V too low or too high	Recovery from -15V voltage warning condition	info
`0571H`	Detected -15V too strong	-15V supply magnitude exceeded high threshold	warning
`0573H`	Detected -15V too strong	-15V supply voltage is too high (more negative)	critical
`0575H`	Detected -15V too weak	-15V supply magnitude dropped below low threshold	warning
`0577H`	Detected -15V too weak	-15V supply voltage is too low (less negative)	critical
`0599H`	Unknown LVPS warning	Unclassified low voltage power supply warning detected	warning
`0601H`	RTL error	Real-time logic circuit has failed	critical
`0602H`	External CAN bus off	External CAN bus communication is not active	critical
`0603H`	Debug screen com error	Communication with debug display has failed	critical
`0604H`	Database download error	Configuration database download or transfer has failed	critical
`0605H`	TAV communication error	Communication with TAV system has failed	critical
`0606H`	MPC/Madrid communication error	Communication with MPC/Madrid system has failed	critical
`0701H`	Saved RAM checksum pb	Saved RAM checksum verification has failed	critical
`0702H`	Software problem	General software or firmware fault detected	critical
`0703H`	Watchdog reset has just occurred	Watchdog timer expired causing system reset	error
`0704H`	Rotor/Heater hold too long	Rotor or heater command hold state exceeded timeout	critical
`0801H`	Exposure backup mAs exceeded	Exposure terminated due to backup mAs limit reached	error
`0802H`	Exposure backup time exceeded	Exposure terminated due to backup time limit reached	error
`0803H`	Exp cmd while gene not ready	Exposure command received but generator not in ready state	error
`0804H`	Tank Thermal Error	Tank temperature has exceeded safe operating limit	warning
`0902H`	tube Fan supply error	Tube cooling fan power supply has failed	critical
`0903H`	Tube exceeded 70degC	Tube temperature has exceeded 70 degrees Celsius	warning
`100-0603H`	Debug screen com. error	Debug screen communication failure	info
`100-0604H`	Database download error	Problem detected during database download	error
`100-0605H`	TAV communication error	Communication problem between I/F and service laptop	error
`100-0606H`	MPC/Madrid Communication error	No reply from the console	error
`100-1301H`	AEC communication error	kV Control detects communication problem with AEC board	error
`110-0804H`	Tank Thermal Error	HV tank temperature reached 60°C	warning
`110-0903H`	70 degree C thermal safety error	70° loop detected open	error
`1111111`	AEC diagnostic test passed	AEC diagnostic test completion	info
`120-1500H`	Tomo brightness not good	Brightness signal out of range (+/-20%) due to incorrect technique	warning
`120-1501H`	Exposure switch released	Handswitch released before end of exposure	warning
`120-1502H`	AEC CUT off error	AEC did not cut exposure as expected	warning
`1301H`	AEC communication error	Communication with AEC system has failed	critical
`1401H`	Saved RAM power supply limit reached	RAM power budget computation exceeds threshold over ~7 year period	info
`1402H`	Internal CAN bus off	Internal CAN bus communication is not active	critical
`1403H`	Connectic Fault	Connector or connection fault detected	critical
`1404H`	FPGA configuration problem	Field programmable gate array configuration has failed	critical
`1405H`	Tank sensor problem	Tank temperature or condition sensor has failed	critical
`1407H`	mAs counter error	Exposure mAs counter is not operating correctly	error
`1408H`	AEC counter error	AEC counter is not operating correctly	error
`1409H`	mAs meter saturated	mA meter has reached maximum measurable value	error
`1410H`	FPGA Locked	Field programmable gate array is in locked or hung state	error
`1411H`	Time counter error	Exposure time counter is not operating correctly	error
`1420H`	Tomo exposure cut by tomograph instead generator	Tomography exposure was terminated by tomograph system instead of generator	error
`1500H`	Tomo brightness error	Tomography system brightness control error during manipulation	warning
`1501H`	Exposure switch released during exposure	Exposure switch was released before exposure completed	warning
`1502H`	AEC cut off error	AEC system terminated exposure prematurely	warning
`30-0301H`	Tube spit (kV+ and kV- dropped)	Simultaneous voltage drop detected on both anode and cathode HV lines	critical
`30-0302H`	Tube spit (kV+ has dropped)	Voltage drop detected on anode (positive) HV line only	critical
`30-0303H`	Tube spit (kV- has dropped)	Voltage drop detected on cathode (negative) HV line only	critical
`30-0304H`	kV regulation error	Slow voltage drop detected indicating smooth or gradual tube spit condition	error
`30-0305H`	Re-starting safety (unknown reason)	Safety interlock activated with no corresponding detected error on primary error inputs	warning
`30-0324H`	Cathode or anode spit detected	Data parameter indicates spit type: 1=cathode, 2=anode, 4=both, 8=kV regulation	error
`40-0101H`	No CAN message received within 5 seconds	Rotation board communication loss from kV control main software	error
`40-0102H`	Rotation board database incorrect	Firmware detects wrong data in database received from kV control board at power-up	error
`40-0103H`	Rotation motor current overload	Main or auxiliary rotation current exceeds maximum tube rating	error
`40-0104H`	Rotation current open load	No current flowing to rotation motor	error
`40-0105H`	Rotation phases unbalanced	Amplitude difference between main and auxiliary current too large	error
`40-0106H`	Rotation phase shift error	Anode stator current lacks correct phase relationship	error
`40-0107H`	Rotation inverter permanent overcurrent	Overcurrent detected with 3 unsuccessful restart attempts within single rotation state	error
`40-0108H`	Rotation command error (debug)	Erroneous rotation command received by board	warning
`40-0109H`	Mains drop detected (rotation)	Firmware detected mains_drop signal activation	error
`40-0110H`	PRD error on rotation board	Firmware checksum, RAM test, or EPLD access failure at power-up or reset	error
`40-0110H`	Rotation board PRD self-test failure	Firmware checksum, RAM, or EPLD test failed at power-up or reset	error
`40-0111H`	F0 main frequency problem	EPLD did not apply inverter start command	error
`40-0149H`	Unknown rotation error	Main software received unrecognized error from rotation board	warning
`40-111H`	Rotor firmware error	Hardware/software conflict detected in rotor	error
`50-0201H`	No CAN message received on heater board within 5 seconds	Heater board communication loss from kV control main software	error
`50-0203H`	Heater inverter permanent overcurrent	3 restarts failed within 100 ms	error
`50-0204H`	Filament permanent open circuit	Open circuit detected with 3 unsuccessful restart attempts within 100 ms	error
`50-0205H`	Heater inverter permanent short circuit	3 restarts failed within 100 ms	error
`50-0206H`	Filament current too high during pre-heat	RMS current exceeds database maximum for tube	warning
`50-0207H`	Filament current too high during boost	RMS current exceeds database maximum for tube	warning
`50-0208H`	Filament current too high during heat	RMS current exceeds database maximum for tube	warning
`50-0209H`	Heater command error (debug)	Erroneous heater command received	warning
`50-0210H`	Filament current over-estimated (too high)	RMS current measurement too high in measurement range	warning
`50-0211H`	Filament current under-estimated (too low)	RMS current measurement too low in measurement range	warning
`50-0212H`	Mains drop detected on heater board	Firmware detects mains_drop signal activation	error
`50-0213H`	PRD error on heater board	Firmware checksum, RAM test, or EPLD access failure at power-up or reset	error
`50-0213H`	Heater board PRD self-test failure	Firmware checksum, RAM, or EPLD test failed; also -15V missing	error
`50-0214H`	Boost phase timeout	Boost command duration exceeds 400 ms	warning
`50-0214H`	Boost too long on inverter 1	Boost command stayed longer than 400 ms	warning
`50-0215H`	Filament selection relay error	Relay position does not match filament selection	error
`50-0216H`	Current measured with inverter OFF	Inverter current detected when inverter not commanded	warning
`50-0221H`	Filament database not correct for tube 1	Firmware detects erroneous database from kV control at power-up	error
`50-0221H/0222H/0223H/0224H`	Filament database error for tube 1, 2, 3, or 4	Erroneous database parameters received at power-up	error
`50-0222H`	Filament database not correct for tube 2	Firmware detects erroneous database from kV control at power-up	error
`50-0223H`	Filament database not correct for tube 3	Firmware detects erroneous database from kV control at power-up	error
`50-0224H`	Filament database not correct for tube 4	Firmware detects erroneous database from kV control at power-up	error
`50-0248H`	Unknown heater error	Main software receives error from heater board with no associated error code	warning
`50-0248H/0249H`	Unknown heater error	Unrecognized error received from heater board	warning
`50-0249H`	Unknown heater error	Main software receives error from heater board with no associated error code	warning
`60-0306H`	No kV feedback on anode side	kV measured <12 kV 0.5 ms after start of exposure on anode side only	error
`60-0307H`	No kV feedback on cathode side	kV measured <12 kV 0.5 ms after start of exposure on cathode side only	error
`60-0308H`	No kV feedback on both anode and cathode	kV <12 kV at 0.5 ms after exposure on both sides	error
`60-0309H`	kV detected during diagnostics	kV measured during inverter diagnostics when should be off	warning
`60-0310H`	kV MAX limit exceeded	kV reached 160 kV during exposure	error
`60-0311H`	ILP (parallel resonant) current not OK	Current in parallel LC circuit did not rise at exposure start	error
`60-0312H`	ILR (serial resonant) current not OK	Current in serial LC circuit did not rise at exposure start	error
`60-0313H`	Inverter maximum ILR current detected	Hardware detects maximum current in serial resonant circuit	error
`60-0314H`	ILR current timeout	Resonant frequency lower than expected	error
`60-0316H`	Spit max error	Number of tube spits during exposure reaches limit	error
`60-0316H`	Tube spit count limit exceeded	Number of tube spits reached maximum during exposure	error
`60-0318H`	kV did not reach 75% after 20 ms	No HV ON signal generated for exposure time count-up	error
`60-0318H`	kV ramp too slow	kV did not reach 75% after 20 ms from exposure start	error
`60-0319H`	kV unbalanced detected	More than 12 kV difference between kV+ and kV-	error
`60-0319H`	kV imbalance between positive and negative	Difference >12 kV between kV+ and kV-	error
`60-0320H`	FPGA safety interlock triggered (unknown cause)	Safety hit detected with no error signal present	error
`60-0321H`	Spit recovery retry failed	Retry mechanism unable to clear spit condition	error
`60-0323H`	Both ILP and ILR currents absent	No inverter current measured at exposure start	error
`60-0401H`	No mA feedback	No mA detected 20 ms after exposure start	error
`60-0402H`	mA scale or calibration error	mA too low or too high vs. demand 20 ms after exposure start	error
`60-0403H`	mA accuracy exceeded 5%	Measured mA every 50 msec exceeded 5% of mA demand	warning
`60-0504H`	Inverter Gate Power Supply error	Gate supply voltage dropped below level required to drive IGBTs properly	error
`60-0801H`	Exposure backup mAs exceeded	Exposure command lasted so long that maximum mAs allowed has been reached	error
`60-0802H`	Exposure backup time exceeded	Exposure command lasted longer than duration loaded by system (Backup time + 5%)	error
`60-0803H`	Exp cmd while gene not ready	Generator received exposure command while not in ready state	error
`60-1407H`	mAs counter error	Error found in verifying counter normal operation	error
`60-1408H`	AEC counter error	No AEC feedback in AEC station exposure	error
`60-1409H`	mAs meter saturated	mAs counter shows unrealistic value at exposure start check	error
`60-1410H`	FPGA locked	FPGA detected error and blocked exposure after command received	error
`60-1411H`	Time counter error	Error found in verifying counter normal operation	error
`60-1420H`	Tomo exposure cut by Tomography	Exposure cut during tomography operation	warning
`70-0501H`	DC bus out of range (<400 or >850)	DC bus voltage outside acceptable limits	critical
`70-0503H`	Inverter Gate Power Supply error (checked at prep)	Gate supply voltage check fails during preparation	error
`70-0505H`	Mains power supply has dropped During exposure	Mains power drops during exposure	error
`70-0510H`	AEC cell HV supply error	Power supply 230Vdc for AEC failed	error
`70-0549H`	Unknown LVPS error	Main software received LVPS error with no associated error code	error
`70-0553H`	Detected +160 V too high	+160 V voltage higher than 225 V at heater board	error
`70-0557H`	Detected +160 V too low	+160 V voltage lower than 110 V at heater board	error
`70-0563H`	Detected +15 V too high	+15 V voltage higher than 17.3 V at heater board	error
`70-0567H`	Detected +15 V too low	+15 V voltage lower than 13 V at heater board	error
`70-0573H`	Detected -15 V too high	-15 V voltage lower than -17.3 V at heater board	error
`70-0577H`	Detected -15 V too low	-15 V voltage higher than -13 V at heater board	error
`80-0180H`	Rotation board communication problem	kV control board communication watch dog timeout with rotation board	error
`80-0181H`	Rotation board has reset	kV control detected rotation board reset; reloading database	warning
`80-0280H`	Heater board communication problem	kV control board communication watch dog timeout with heater board	error
`80-0321H`	KV conversion error	kV feedback measured while no kV is being generated	error
`80-0322H`	kV ref ADC / DAC failed	kV control DAC and ADC coherency test failed	error
`80-0601H`	RTL error (Real Time Lines show wrong state)	Real Time Lines test detects wrong state during standby	error
`80-0601H`	RTL error	Real Time Lines show wrong state in regular standby testing	error
`80-0602H`	External CAN bus off	CAN bus communication failure external to generator	error
`80-0902H`	Tube Fan supply error	Wrong voltage applied to tube fan (not 115 V)	error
`80-1402H`	Internal CAN bus off	CAN device on kV control board detected abnormal level on 2 lines	error
`80-1403H`	Connection Fault	One of the flat cable connectors is not connected in Generator	error
`80-1404H`	FPGA configuration problem	Detected during power up; main software cannot load FPGA	critical
`80-1405H`	Tank temperature sensor problem	HV tank temperature value less than 10°C	warning
`90-0701H`	NV RAM checksum problem	Generator kV control board detects NV RAM corruption after power up	critical
`90-0702H`	Software problem	Software or database error detected	error
`90-0703H`	Watchdog reset has just occurred	CPU of kV control board reset by watchdog timer	error
`90-0704H`	Rotation/Heater hold too long	Preparation command maintained longer than 3 minutes	warning
`90-0705H`	Configuration error	Software/hardware conflict detected	error
`Cannot open file`	Backup or restore operation cannot access specified file on floppy disk	Attempt to backup CPU memory or restore from floppy disk fails at file access	error
`Checksum error (unspecified code)`	Stored and computed parameter checksums do not match	Parameter changed or RAM corruption detected on power-up or after settings changes	critical
`Error communication`	Data transmission error occurred during backup or restore transfer	Checksum or parity error detected during file transfer between laptop and generator	error
`Error time out`	Communication timeout between service laptop and generator during backup or restore	Transfer does not complete within timeout period during memory backup or restore	error
`File contains data. Delete old (y,n)`	Target file already exists on floppy disk during backup operation	Backup attempts to create file that already exists with data	warning
`Z00`	RAM D1 error (fatal)	RAM D1 failure detected during self-test	critical
`Z00`	Collimator UIF board error	User Interface board failure detected or not responding	critical
`Z01`	EEPROM D1 error (fatal)	EEPROM D1 failure detected during self-test	critical
`Z01`	Collimator Control Board error	Main collimator control board failure or not responding	critical
`Z02`	Collimator Control board error	Collimator control board detects communication or logic fault	error
`Z02`	CAN error (bus error, error overrun)	CAN bus error frame detected or error counter overrun	error
`Z03`	Collimator UIF Error	User Interface board detected a communication or function error	error
`Z03`	CAN error (receiver overrun)	CAN receiver buffer overflow; messages arriving faster than processor handles	error
`Z04`	Collimator local communication error	Communication failure between collimator submodules over local bus	error
`Z05`	Calculation error - height	Height motor position calculation failure or out-of-range result	error
`Z06`	Collimator Blade out of limit	Blade position outside mechanical limit during operation	error
`Z06`	Calculation error - width	Width motor position calculation failure or out-of-range result	error
`Z10`	Collimator internal error	Collimator processor detected internal logic or state machine error	error
`Z10`	Stepping error - height leaves	Height stepper motor or blade positioning error	error
`Z11`	Stepping error - width leaves	Width stepper motor or blade positioning error	error
`Z11`	Collimator internal error	Collimator processor detected internal logic or state machine error	error
`Z14`	Collimator Homing Error	Collimator failed to find home position during initialization sequence	error
`Z14`	Limit switch - height leaves	Height motor movement detected when limit switch should prevent it	error
`Z15`	Limit switch - width leaves	Width motor movement detected when limit switch should prevent it	error

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ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.