C-arms · Vision family

Ziehm Imaging Vision RFD 3D: troubleshooting and error codes

The ServiceForge knowledge base holds 42 documented symptoms for the Ziehm Imaging Vision RFD 3D, with 58 ranked causes, 139 diagnostic checks with test points and expected values, and 372 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Calibration influence on image quality assessment

Understanding and assessing the impact of calibration accuracy (0.14 superior vs 1.07 insufficient) on artifact presence, edge sharpness, and metal visualization

Ranked causes

1. Calibration value superior (0.14 mm) achieves optimal image quality (common)
2. Calibration value good (0.39 mm) produces acceptable image with minimal artifacts (common)
3. Calibration value insufficient (> 0.39 mm) produces unacceptable artifacts (occasional)

First check

Compare calibration value 0.14 mm (superior) image to reference

Test point: Phantom layer reconstruction quality
Expected: Sharp phantom edges; metal pin without artifacts; clear crisp image

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

Calibration: 3D image reconstruction accuracy radiation

Verify phantom positioning, ISO center alignment, C-arm collision limits, scan acquisition, accuracy calculation, and scaling factor validation for 3D imaging

Ranked causes

1. Initial phantom positioning and alignment not verified (common)
2. Mean accuracy value exceeds tolerance or scaling factor out of range (occasional)
3. Collision limits not verified (common)

First check

Position phantom parallel to flat-panel detector in LAT position

Test point: Phantom position relative to detector
Expected: Parallel to detector; sides parallel to screen; central sphere inside crosshair
Tools: Laser alignment tool, fluoroscopy

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

Calibration: 3D reconstruction image quality verification radiation

Verify phantom placement, C-arm positioning, image acquisition, and visual quality assessment of phantom grooves, metal pin, and diameter measurements

Ranked causes

1. Phantom not properly positioned for image quality check (common)
2. Phantom grooves not clearly visible or not properly formed (occasional)
3. Metal pin boundaries or diameter not within specification (occasional)

First check

Mount attenuation device and position verification phantom

Test point: 25mm Al device mounted on generator; phantom Part No. 62109 in beam path
Expected: Attenuation device secured with tension strap; paper protective layer in place; phantom in beam path
Tools: Tension strap, 25mm Al attenuation device, paper

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

Calibration: Video adjustment radiation

Video signal levels must be calibrated using histogram function and grey step wedge. Black level, white level, and metal black level parameters control video signal output.

Ranked causes

1. Black level requires adjustment (common)
2. White level requires adjustment (common)
3. Metal black level requires adjustment (occasional)

First check

Rotate image to mask circle position

Test point: Monitor display
Expected: Circular mask visible on image

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

Error E1246: Flat-panel detector communication fault

Ethernet cable disconnected or misconfigured between Image Memory and Command Processor during VIVA tool operation or system startup.

Ranked causes

1. Ethernet cable not connected between Image Memory and Command Processor during VIVA gain calibration setup (common)
2. System restarted with Ethernet cable disconnected from Image Memory (common)
3. VIVA tool Ethernet link not opened after physical connection established (occasional)

First check

Verify physical Ethernet cable connection

Test point: Red connector ports on Image Memory and Command Processor 2
Expected: Straight Ethernet cable #24452 with inline coupler #217268 securely seated; cable not damaged or kinked
Tools: Visual inspection; straight Ethernet cable #24452; inline coupler #217268

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

Calibration: Center beam position radiation

Center beam test device image not concentric or centered on screen; may appear off-center to display

Ranked causes

1. Generator angle misalignment (left-right deviation) (common)
2. Generator attachment misalignment (top-down deviation) (common)

First check

Visually inspect center beam test device image on screen for left-right centering

Test point: Screen display
Expected: Concentric shape centered horizontally on image

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

Calibration: Dose adjustment radiation

X-ray dose output must be calibrated using 25 mm Al + 1.5 mm copper filtration with dose measured in front of image intensifier grid. Dose Gain and CCD/FD Fill parameters control dose output.

Ranked causes

1. Dose Gain requires adjustment (common)
2. CCD/FD Fill requires adjustment (common)

First check

Set CCD fill level to specified value

Test point: Dose 1 tab, CCD/FD-Fill input box
Expected: Value from System Settings CCD fill levels table

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

Calibration: DSA (Digital Subtraction Angiography) dose adjustment radiation

Two separate dose adjustments available for DSA: HQ DSA and LPK DSA. Measurement uses dose rate with Frames/sec set to 25. Original setting must be restored after adjustment.

Ranked causes

1. HQ DSA dose requires adjustment (common)
2. LPK DSA dose requires adjustment (common)

First check

Open Configuration Menu and set Frames/sec to 25

Test point: Configuration Menu parameter
Expected: Frames/sec = 25

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Calibration: Module 10 Power Distribution Setup high voltage

Configure U539 board voltage selection and connector wiring for transformer RTO 2500-000585 or RTO 2500-001195 based on input AC voltage (105-240 VAC range).

Ranked causes

1. Voltage selector configuration required for primary AC input (common)
2. Voltage selector connectors X40-X50 require proper connection to transformer tap points (common)

First check

Verify transformer primary taps are connected per selected input voltage

Test point: Transformer RTO 2500-000585 or 2500-001195 primary terminals A, B, C, D, E, F, H, I, K, L
Expected: Connections match table for selected input voltage (105, 110, 115, 120, 210, 220, 230, or 240 VAC)
Tools: Visual inspection, wiring diagram

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LED Indicator Verification

Verify all LEDs on U539g board illuminate correctly to confirm power distribution and controller status after configuration.

Ranked causes

1. LEDs indicate power rail and relay status during startup and normal operation (common)
2. HC08 processor monitoring status indicated by LEDs D45-D49, D15-D16 (common)

First check

Verify D11, D8, D9 relay status LEDs illuminate in sequence during power-up

Test point: LEDs D11 (K1 mains 1), D8 (K2 inrush), D9 (K3 mains 2)
Expected: D8 illuminates briefly during inrush, then D11 and D9 steady on (green)
Tools: Visual inspection

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Standby LED flashing due to mains 2 contactor not switching caution

Standby LED flashes when CPU did not switch ON mains 2 contactor and input signal from PTH0 is LOW

Ranked causes

1. Short circuit from transistor T8 on PCB U539 (occasional)
2. CPU failed to control mains 2 contactor (occasional)

First check

Measure voltage at PTH0 input

Test point: PTH0
Expected: HIGH (when mains 2 contactor should be ON)
Tools: DMM or oscilloscope

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

Calibration: 26 inch monitor menu lock reset

Accessing locked menu on Radiance G2 HB monitor and restoring factory default settings

Ranked causes

1. Menu locked on 26 inch Radiance G2 HB monitor (common)

First check

Verify menu access on 26 inch monitor

Test point: OSD display
Expected: Menu appears without MENU LOCKED message; Setup and Defaults sections accessible

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

Calibration: 3D image quality verification

Visual inspection and measurement of 3D reconstruction quality including sagittal, axial and coronal views for contrast, sharpness and artifact assessment

Ranked causes

1. 3D calibration requires verification (common)

First check

Measure length of drilling holes in sagittal view including artifacts

Test point: upper hole
Expected: between 11.8 mm and 12.4 mm, 11.8–12.4 mm

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

Calibration: Adipose Patient (LPK) mode dose adjustment radiation

LPK (Adipose Patient) is a modifier to each application program. Dose adjustment must be performed in all programs with same value. LPK has individual kV/mA curve.

Ranked causes

1. LPK mode dose requires adjustment in all programs (common)

First check

Select LPK modifier and adjust dose in all programs

Test point: Adjustment dialog; all anatomical programs
Expected: Same dose value per System Settings in each program

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

Calibration: Asymmetric collimator DIP switch configuration

DIP switch settings on U659 module for asymmetric collimator operation and dose meter selection

Ranked causes

1. Incorrect DIP switch settings for operational mode (common)

First check

Verify DIP switch 1 (Standalone mode) position

Test point: S2 Switch 1
Expected: OFF (standalone mode inactive)

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Calibration: Center Beam Adjustment radiation

Adjust generator beam center position relative to system screen after generator installation. Done before collimator installation using test device and pre-collimator for radiation protection.

Ranked causes

1. Generator mounted and requires center beam alignment before collimator installation (common)

First check

Gather required tools and devices

Test point: Equipment inventory
Expected: Center beam test device (91116) and pre-collimator (65699) available

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

Calibration: Computed DAP / Air Kerma radiation

Adjustment of dose area product (DAP) and air kerma measurements using reference dose meter and Ziehm test phantom. Requires setting calibration points, pulse width correction, area factor, and kerma/DAP calculation factors.

Ranked causes

1. Calibration required for accurate dose measurement display (common)

First check

Generator cover with filtration mounted and dose meter set to 3mm Al prefiltering

Test point: Generator cover, dose meter settings
Expected: Generator cover mounted, dose meter configured for 3mm Al prefilter

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

Calibration: Drilling hole measurement technique

Procedure to measure drilling hole lengths in sagittal view for calibration validation

Ranked causes

1. Measurement requires accuracy verification (common)

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

Calibration: Flat-panel detector gain radiation

Adjust detector gain for image homogeneity and proper signal levels across panel modes via manual kV/mA tuning or VIVA tool software, with Gain Median validation.

Ranked causes

1. Gain calibration required for detector modes (common)

First check

System warm-up time

Test point: System startup to calibration start
Expected: Minimum 1 hour elapsed

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Calibration: High Quality Mode dose adjustment radiation

HQ (High Quality) mode is a modifier to each application program. Dose adjustment must be performed in all programs with same value. HQ has individual kV/mA curve.

Ranked causes

1. HQ mode dose requires adjustment in all programs (common)

First check

Select HQ modifier and adjust dose in all programs

Test point: Adjustment dialog; all anatomical programs
Expected: Same dose value per System Settings in each program

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

Calibration: Mains input voltage selection high voltage

Configure power supply board U539h for correct input voltage (105–240 VAC) by hardwiring connector pairs and selecting appropriate fuses (F1, F2) to match site mains supply.

Ranked causes

1. Voltage mismatch between system configuration and mains supply (common)

First check

Verify mains supply voltage at site installation

Test point: Mains supply outlet
Expected: 105, 110, 115, 120, 210, 220, 230, or 240 VAC ±5%

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

Calibration: Measured DAP with VacuDAP-C radiation

Adjustment of measured dose area product (DAP) using VacuDAP-C external dose meter. Includes self-test procedure and state error diagnosis using 8-bit error code system.

Ranked causes

1. VacuDAP-C meter requires calibration factor adjustment (common)

First check

VacuDAP-C firmware version and tube voltage reference

Test point: DAP Meter input box
Expected: Firmware version displayed, currently activated tube voltage shown

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Calibration: Measuring kV high voltage

Measure kV output from generator to verify proper tube voltage. Measured values are divided by 10,000 (e.g., 6.7 V reading = 67 kV actual).

Ranked causes

1. kV measurement required during service or commissioning (common)

First check

Set generator to continuous mode for accurate measurement

Test point: Adjustment dialog Dose 2
Expected: 100% pulse width or Pulse Length = 0

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Calibration: Measuring mA high voltage

Measure mA (tube current) output from generator to verify proper tube current. Requires connector X3 on U564 board with jumper removed for measurement.

Ranked causes

1. mA measurement required during service or commissioning (common)

First check

Remove jumper from X3 connector

Test point: Connector X3 on U564 board
Expected: Jumper removed, connector accessible for meter connection

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

Calibration: Monitor line voltage matching high voltage

Service technician must match facility input voltage to TR1 isolation transformer to ensure stable 230 VAC output for C-arm system

Ranked causes

1. Input voltage not matched to TR1 transformer tap settings (common)

First check

Measure facility wall outlet voltage

Test point: Wall outlet connector
Expected: Stable within Voltage Selection table range
Tools: Digital volt meter

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Calibration: Monitor on-screen display menu lock/unlock

Setting or resetting keypad lock on 19 inch dual monitor via simultaneous key press, or locking/unlocking menu on 26 inch Radiance G2 HB monitor

Ranked causes

1. Keypad lock engaged on 19 inch monitor (common)

First check

Verify keypad lock status on 19 inch monitor

Test point: OSD display
Expected: No lock message when keys pressed; Input and L/R keys responsive

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

Calibration: RSA (Rotational Subtraction Angiography) dose adjustment radiation

RSA is a separate program requiring individual dose adjustment. Selected via RSA function in adjustment dialog dropdown menu.

Ranked causes

1. RSA mode dose requires adjustment (common)

First check

Select RSA function in adjustment dialog dropdown

Test point: Adjustment dialog dropdown menu
Expected: RSA function selected

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

Calibration: Service Position for Generator Electronics Access caution

Position generator electronics module for access to test points and measurement connectors during service and calibration procedures.

Ranked causes

1. Generator electronics access required for measurement and calibration (common)

First check

Remove specified screw from generator module

Test point: Generator electronics enclosure
Expected: Screw removed and set aside safely

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

Calibration: Snapshot mode dose adjustment radiation

Snapshot is a separate program requiring individual dose adjustment. Accumulated dose for one shot must be measured after regulation stabilizes, target <2 µGy.

Ranked causes

1. Snapshot mode dose requires calibration (common)

First check

Select SSHT key in adjustment dialog

Test point: Adjustment dialog dropdown
Expected: SSHT (Snapshot) mode selected

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

Ethernet link error during image retrieval

Error message appears when attempting to retrieve images from detector; image data transfer fails.

Ranked causes

1. Ethernet link communication interrupted or lost (occasional)

First check

Monitor for error message during image retrieval

Test point: Acquisition software display
Expected: No error message; successful image transfer

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

Inrush relay fault condition high voltage

Inrush relay switched ON but system does not detect proper inrush resistor voltage drop within timing window

Ranked causes

1. Inrush resistor failure or open circuit (occasional)

First check

Measure analog voltage at PTB7 during inrush cycle

Test point: PTB7
Expected: Greater than 3.0 V, above 3.0 V
Tools: DMM or oscilloscope, scope set to capture inrush transient

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

Jumper Configuration for Workstation Options

Set jumpers J1, J2, J3 on U539h/j to enable/disable workstation control options.

Ranked causes

1. Jumpers select workstation presence and control mode (common)

First check

Verify jumper J1, J2, J3 positions match workstation configuration

Test point: Jumpers J1, J2, J3 on U539h/j board
Expected: J1, J2, J3 open if corresponding workstations not installed; closed if WS No.1 control enabled
Tools: Visual inspection

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

Protective and Auxiliary Supply Fuse Configuration caution

Install or verify fuses F2, F3, F4, F5 per AC input voltage configuration (100/105-120/210-240 VAC).

Ranked causes

1. Supply voltage fuses must match system input voltage rating (common)

First check

Verify F1A and F1B main fuses per selected voltage

Test point: Fuses F1A, F1B external on U539g board
Expected: 105-120 VAC: 20 A slow (17044); 210-240 VAC: 15 A slow (17020), exact rating required
Tools: Visual inspection, parts list

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Retrieved images appear incorrect or uncorrected

Detector images retrieved from system show appearance similar to uncorrected raw data with visible artifacts or non-uniform response.

Ranked causes

1. Image corrections disabled in VIVA tool configuration (common)

First check

Verify image correction status in VIVA configuration

Test point: System Settings dialog
Expected: Image corrections enabled in configuration

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

Standby LED and port PTF LEDs flashing caution

Standby LED and all LEDs from port PTF (D45, D46, D47, D48, D49, D15, D16) flash when PCB powered and analog voltage from PTB0 less than 1.0 V

Ranked causes

1. Remote button ON short circuit or pressed (common)

First check

Measure analog voltage at port PTB0

Test point: PTB0
Expected: Greater than 1.0 V, above threshold
Tools: DMM or oscilloscope

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

Standby LED flashing when OFF button pressed

Standby LED flashes when system in OFF state and OFF button (remote or local) is pressed

Ranked causes

1. Normal operation during OFF state transition (common)

First check

Verify system is in OFF state

Test point: Power state indicator
Expected: System powered down, not in blocking state

VacuDAP-C state error: DAP overflow (Bit 2 = Decimal 4)

DAP meter accumulated dose has exceeded maximum measurable range.

Ranked causes

1. Accumulated DAP exceeds meter range during long screening session (occasional)

First check

VacuDAP-C state error Bit 2

Test point: State field value
Expected: Bit 2 = 0 (no overflow) decimal

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

VacuDAP-C state error: Error test function (Bit 4 = Decimal 16)

Self-test result does not match reference value, indicating meter malfunction or calibration error.

Ranked causes

1. Self-test measured value differs from stored reference value (occasional)

First check

Self-test result vs Normal Value Outer Field

Test point: State field, test result vs reference
Expected: Test result within tolerance of Normal Value Outer Field

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

VacuDAP-C state error: Firmware error (Bit 6 = Decimal 64)

Meter firmware is corrupted or malfunctioning.

Ranked causes

1. VacuDAP-C firmware corruption or hardware defect in microcontroller (rare)

First check

VacuDAP-C state error Bit 6

Test point: State field value
Expected: Bit 6 = 0 (no firmware error) decimal

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

VacuDAP-C state error: TEST-Warning (Bit 1 = Decimal 2)

VacuDAP-C self-test warning indicating possible meter malfunction or calibration drift.

Ranked causes

1. Meter test value does not match reference specification (occasional)

First check

VacuDAP-C self-test result vs reference value

Test point: State field, test result vs Normal Value Outer Field
Expected: Test result matches or is very close to Normal Value Outer Field reference

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

VacuDAP-C state error: Voltage for measuring chamber faulty (Bit 5 = Decimal 32)

Measuring chamber supply voltage is defective or out of specification.

Ranked causes

1. Power supply for ionization chamber damaged or disconnected (rare)

First check

VacuDAP-C state error Bit 5

Test point: State field value
Expected: Bit 5 = 0 (no voltage fault) decimal

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

VacuDAP-C state error: Zero check error (Bit 3 = Decimal 8) radiation

Radiation was active during system reset, corrupting zero reference calibration.

Ranked causes

1. Radiation exposure during dose meter reset or power-up (rare)

First check

Radiation status during system reset

Test point: X-ray enable signal, meter status
Expected: Radiation off during reset, zero calibration completes without exposure

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

Error codes

Code	Meaning	Trigger	Severity
`2900`	Kinematic Emergency Stop	Emergency stop button pressed or safety condition triggered	warning
`2901`	A Axis Fault	During kinematic operation	warning
`2902`	C Axis Fault	During kinematic operation	warning
`2903`	Y Axis Fault	During kinematic operation	warning
`2904`	Z Axis Fault	During kinematic operation	warning
`2905`	X-ray Fault	During operation	warning
`2906`	CAN Fault line active	During operation	warning
`2907`	Distance Control Fault	During kinematic operation	warning
`2914`	Internal Fault	During operation	warning
`2915`	Internal Fault	During power-up	warning
`2916`	Internal CAN Fault	During operation	warning
`2917`	Internal CAN Fault	During operation	warning
`2918`	Internal Fault	During operation	warning
`2919`	Internal Fault	During operation	warning
`2920`	Internal Fault	During operation	warning
`2921`	Internal Fault	During operation	warning
`2922`	Y Axis ISO speed Fault	During kinematic operation	warning
`2923`	Z Axis ISO speed Fault	During kinematic operation	warning
`2924`	ISO Fault	During kinematic operation	warning
`2925`	Internal Distance Control Fault	During operation	warning
`2926`	Internal Fault	During operation	warning
`2927`	Internal Distance Control Fault	During operation	warning
`2928`	Internal Distance Control Fault	During operation	warning
`2929`	Internal Distance Control Fault	During operation	warning
`2930`	Internal Distance Control Fault	During operation	warning
`2931`	Internal Fault	During operation	warning
`2932`	Emergency Stop Fault	When emergency stop button is pressed	warning
`2933`	Internal Distance Control Fault	During operation	warning
`2934`	Internal Distance Control Fault	During operation	warning
`2935`	Internal Fault	During operation	warning
`2936`	Navigation Fault	During operation	warning
`2937`	Parking brake engaged	During operation when brake is engaged	warning
`2938`	Swivel brake engaged	During operation when brake is engaged	warning
`2939`	Internal Fault	During operation	warning
`2940`	Internal Fault	During operation	warning
`2941`	Internal Fault	During power-up	warning
`2955`	Internal Fault Distance Control	During operation	warning
`2956`	Speed Fault	During operation	warning
`2957`	Collision Internal Fault	During operation	warning
`2958`	Internal Fault	During operation	warning
`2959`	Internal Fault	During operation	warning
`2960`	A Axis Fault	During kinematic operation	warning
`2961`	Y Axis Fault	During kinematic operation	warning
`2962`	C Axis Fault	During kinematic operation	warning
`2963`	Z Axis Fault	During kinematic operation	warning
`2964`	Kinematic module error	During operation	warning
`3000`	Axis not clutched	When axis is required but not engaged	warning
`3001`	Axis brake closed	When axis should move but brake is applied	warning
`3002`	Axis %d on limit A	Axis reaches limit position A	warning
`3003`	Axis %d on limit B	Axis reaches limit position B	warning
`3004`	Axis %d hardware over current	Hardware detects excessive current in axis	error
`3005`	Axis %d software over current	Software detects excessive current in axis	error
`3006`	Axis %d contouring error	Axis position deviates from commanded path	warning
`3007`	Axis %d extended error	Extended error condition detected on axis	error
`3008`	Axis %d not enabled	Axis control logic not activated	warning
`3010`	Axis %d solenoid current error	Solenoid current out of specification	error
`3011`	Axis %d engine temperature error	Motor temperature exceeds limit	error
`3012`	Axis %d hw voltage too low	Hardware power supply voltage below minimum	error
`3013`	Axis %d sw voltage too low	Software-detected power supply voltage below minimum	error
`3014`	Axis %d watchdog error	Watchdog timeout indicates processor hang	critical
`3015`	Axis %d tacho error	Tachometer signal missing or invalid	error
`3016`	Axis %d encoder error	Encoder signal invalid or missing	error
`3017`	Axis %d encoder error	Second encoder signal fault	error
`3018`	Axis %d encoder range error	Encoder position value out of valid range	error
`3019`	Axis %d gear error	Gear drive fault detected	error
`3020`	Axis %d port extender error	Port expander communication failure	error
`3021`	Axis %d emergency stop	Emergency stop button activated	warning
`3022`	Axis %d wigwag error	Oscillatory motion detected	warning
`3023`	Axis %d motor error	Motor control fault detected	error
`3024`	Axis %d motor error	Motor error with safety processor in reset	critical
`3025`	Axis %d motor error	Motor error with lift key active	error
`3026`	Axis %d in autarkic mode	Axis operating independently of main control	warning
`3027`	Axis %d unknown error	Unrecognized error condition	error
`E1000`	Filament not operating (small focus)	Small focus filament fails to initialize during bootup	error
`E1000`	Thin filament defective during power-up	System power-up detection of thin filament circuit failure	error
`E1001`	Thick filament defective during power-up	System power-up detection of thick filament circuit failure	error
`E1001`	Filament not operating (large focus)	Large focus filament fails to initialize during bootup	error
`E1002`	V-sync signal missing	V-sync signal not detected during bootup	error
`E1002`	No V-Sync	Video synchronization signal missing	error
`E1002`	No VSync at generator during power-up	Missing video sync signal from generator during startup	error
`E1003`	Generator temperature minimum not reached - please wait	Generator temperature below 13°C during startup	error
`E1004`	Oil temperature above maximum during bootup	Oil temperature maximum check fails	error
`E1004`	Generator must cool down below 72°C - please wait	Generator temperature exceeds 72°C during operation	warning
`E1005`	Generator temperature minimum not reached - please wait	Generator temperature below 13°C during startup (Sensor 2)	error
`E1006`	Generator must cool down below 72°C - please wait	Generator temperature exceeds 72°C during operation (Sensor 2)	warning
`E1006`	Oil temperature above maximum during runtime	Oil temperature maximum check fails during operation	error
`E1007`	Wrong EEPROM checksum during power-up	EEPROM memory checksum validation fails at startup	error
`E1007`	Machine data checksum error	Checksum validation fails during bootup	error
`E1008`	Generator fault - Interrupt 1 flip-flop defective	Interrupt control flip-flop 1 circuit failure detected	error
`E1008`	Hardware flip-flop for external interrupt error	Flip-flop not operating correctly during bootup	error
`E1009`	Hardware flip-flop for external interrupt error	Flip-flop not operating correctly during bootup	error
`E1009`	Generator fault - Interrupt 2 flip-flop defective	Interrupt control flip-flop 2 circuit failure detected	error
`E1010`	HW signal X-ray active during power-up	X-ray enable signal detected as active during system startup	error
`E1011`	CAN X-ray Enable active during power-up	CAN bus X-ray enable command detected during startup	error
`E1012`	Generator fault - D/A converter reference voltage defective	D/A converter reference voltage out of specification	error
`E1012`	Reference voltage D/A converter error	Reference voltage measurement fails	error
`E1013`	Generator fault - D/A converter kV defective	D/A converter kilovoltage output circuit failure	error
`E1013`	Actual voltage from kV D/A converter error	kV actual voltage measurement fails or out of range	error
`E1014`	Oil overtemperature switch active during power-up - call service	Oil temperature sensor alarm activated at startup	error
`E1015`	Machine data validity error	Invalid data bytes or version mismatch in machine data	error
`E1015`	Wrong machine data version detected during power-up	Machine configuration data version mismatch during initialization	error
`E1016`	Moisture sensor alarm during power-up - call service	Humidity sensor detects excess moisture during startup	error
`E1016`	Humidity sensor active/not active error	Humidity sensor status unexpected during bootup	warning
`E1017`	Test of FAULT signal failed	Internal fault signal test during diagnostics fails	error
`E1018`	Debug switch is on	Debug mode enabled at system startup	warning
`E1019`	Generator fault - Anode rotation monitoring does not work	Anode rotation feedback signal missing or abnormal during operation	error
`E1050`	High voltage fault	High voltage supply out of specification or unstable	warning
`E1050`	HVC fault hardware signal	High voltage controller detects fault condition	critical
`E1051`	High voltage fault (anode)	Anode high voltage supply malfunction	warning
`E1052`	High voltage fault (cathode)	Cathode high voltage supply malfunction	warning
`E1053`	mA peak error hardware signal	mA peak error detected in filament regulation	error
`E1053`	mA peak value fault	Tube current (mA) peak value exceeds safe limits	warning
`E1054`	kV nominal/actual value fault	Kilovoltage measured value deviates from nominal setpoint beyond tolerance	warning
`E1055`	mA nominal/actual value fault	Tube current measured value deviates from nominal setpoint beyond tolerance	warning
`E1056`	X-ray Enable fault	X-ray enable control signal abnormality	warning
`E1057`	Generator life monitoring missing	Generator usage lifetime tracking system failure	warning
`E1057`	CAN monitor monostable timeout during radiation	CAN monitor timing fails during active radiation	error
`E1058`	Generator fault - Hardware monitoring missing	Hardware monitoring circuit failure or data unavailable	warning
`E1058`	RUN monostable timeout during radiation	RUN signal timing fails during active radiation	error
`E1059`	X-ray break by external CAN module	External CAN module commanded X-ray shutdown	warning
`E1060`	Signal / X-ray missing	Expected X-ray signal or enable command not detected	warning
`E1060`	X-ray hardware signal missing during radiation	X-ray enable signal lost while radiation is active	critical
`E1061`	Generator fault - High-voltage arc	Arcing detected in high voltage circuit during operation	warning
`E1062`	Nominal kV value greater than maximum kV value	Operator set nominal kV exceeds system maximum specification	warning
`E1063`	Nominal mA value greater than maximum mA value	Operator set nominal mA exceeds system maximum specification	warning
`E1064`	Nominal power value greater than maximum power value	Calculated power output exceeds system maximum specification	warning
`E1065`	Nominal kV value less than minimum kV value	Operator set nominal kV below system minimum specification	warning
`E1066`	CAN fault line active	CAN bus fault condition detected	warning
`E1067`	Basic filament heating failure	Filament heating not detected during runtime	error
`E1068`	V-Sync faults	Synchronization timing mismatch between camera and generator	error
`E1068`	V-sync timing error during runtime	V-sync time check fails during operation	error
`E1069`	Oil temperature 1 error during runtime	Temperature sensor 1 reading out of specification	error
`E1069`	Temperature sensor 1 value beyond permissible range	Operation	warning
`E1070`	Temperature sensor 2 value beyond permissible range	Operation	warning
`E1070`	Oil temperature 2 error during runtime	Temperature sensor 2 reading out of specification	error
`E1071`	Signal / X-ray without radiation	Operation	warning
`E1072`	Oil over-temperature switch activated during runtime	Thermal overload switch trips during operation	critical
`E1073`	Humidity sensor error during runtime	Humidity sensor status unexpected during operation	warning
`E1074`	Positive or negative kV actual value exceeds 2 kV without radiation	Residual kV voltage detected when radiation inactive	error
`E1074`	kV value without X-ray command too high, radiation not allowed	Operation	warning
`E1075`	Test of rotating anode failed during operation	Operation	error
`E1076`	Serial numbers of generator and mobile stand do not match	Generator serial number does not match mobile stand	error
`E1082`	kV actual value after X-ray command too low, radiation not allowed	Generator output voltage insufficient after X-ray command	error
`E1083`	Generator fault - rotating anode could not be started	Operation	warning
`E1084`	Generator fault - rotating anode failed	Operation	warning
`E1085`	Average power in Burst mode > 600 Watt	Burst mode operation	warning
`E1086`	mA-value too high for thin filament	X-ray operation	warning
`E1087`	Max. anode capacity reached in Burst mode	Burst mode operation	warning
`E1088`	Energy reserve of the boost CAPs too small	Operation	warning
`E1095`	Generator overheated, recovery time %d seconds	Operation	warning
`E1098`	Generator power-up fault: %0 a	Power-up	error
`E1099`	Generator fault 26	Generator software mismatch after replacement	error
`E1100`	Hand switch 1 pressed during power-up	Power-up	error
`E1101`	Hand switch 2 pressed during power-up	Power-up	error
`E1102`	Foot switch 1 pressed during power-up	Power-up	error
`E1103`	Foot switch 2 pressed during power-up	Power-up	error
`E1104`	Foot switch 3 pressed during power-up	Power-up	error
`E1105`	Foot switch 4 pressed during power-up	Power-up	error
`E1106`	Foot switch 5 pressed during power-up	Power-up	error
`E1107`	Foot switch 6 pressed during power-up	Power-up	error
`E1108`	Short circuit in hand switch 1 during power-up	Power-up	error
`E1109`	Short circuit in hand switch 2 during power-up	Power-up	error
`E1110`	Short circuit in foot switch 1 during power-up	Power-up	error
`E1111`	Short circuit in foot switch 2 during power-up	Power-up	error
`E1112`	Short circuit in foot switch 3 during power up	Power-up	error
`E1113`	Short circuit in foot switch 4 during power-up	Power-up	error
`E1114`	Short circuit in foot switch 5 during power-up	Power-up	error
`E1115`	Short circuit in foot switch 6 during power-up	Power-up	error
`E1116`	X-ray Enable active during power-up	Power-up	error
`E1117`	Internal communication error during power-up	Power-up	error
`E1118`	Wrong EEPROM checksum during power-up	Power-up	error
`E1119`	IRQ PTA5 of RS232 disabled during power-up	Power-up	error
`E1120`	Emergency stop	Manual activation or fault	warning
`E1121`	Hardware interface configuration for wireless module not OK	Power-up	warning
`E1122`	Wireless module not present	Power-up	warning
`E1132`	Short circuit in hand switch 1 during X-ray command	X-ray operation	warning
`E1133`	Short circuit in hand switch 2 during X-ray command	X-ray operation	warning
`E1134`	Short circuit in foot switch 1 during X-ray command	X-ray operation	warning
`E1135`	Short circuit in foot switch 2 during X-ray command	X-ray operation	warning
`E1136`	Short circuit in foot switch 3 during X-ray command	X-ray operation	warning
`E1137`	Short circuit in foot switch 4 during X-ray command	X-ray operation	warning
`E1138`	Short circuit in foot switch 12 without X-ray command	Operation	warning
`E1139`	Short circuit in foot switch 6 during X-ray command	X-ray operation	warning
`E1140`	X-ray Enable not active during X-ray command	X-ray operation	warning
`E1141`	CAN fault line active during X-ray command	X-ray operation	warning
`E1142`	Main interface fault during X-ray command	X-ray operation	warning
`E1143`	Image-memory life-monitoring fault during X-ray command	X-ray operation	error
`E1146`	No flow in cooling circuit	Operation	warning
`E1147`	Coolant pump inactive at X-ray start	X-ray start	warning
`E1148`	Timeout post-fluoro time (LIH)	Fluoroscopy operation	warning
`E1155`	X-ray break emergency stop	Operation	warning
`E1156`	Short circuit in hand switch 1 during X-ray command	X-ray operation	warning
`E1157`	Short circuit in hand switch 2 during X-ray command	X-ray operation	warning
`E1158`	Short circuit in foot switch 1 during X-ray command	X-ray operation	warning
`E1159`	Short circuit in foot switch 2 during X-ray command	X-ray operation	warning
`E1160`	Short circuit in foot switch 3 during X-ray command	X-ray operation	warning
`E1161`	Short circuit in foot switch 4 during X-ray command	X-ray operation	warning
`E1162`	Short circuit in foot switch 5 during X-ray command	X-ray operation	warning
`E1163`	Short circuit in foot switch 6 during X-ray command	X-ray operation	warning
`E1164`	Short circuit in hand switch 1 without X-ray command	Operation	warning
`E1165`	Short circuit in hand switch 2 without X-ray command	Operation	warning
`E1166`	Short circuit in foot switch 1 without X-ray command	Operation	warning
`E1167`	Short circuit in foot switch 2 without X-ray command	Operation	warning
`E1168`	Short circuit in foot switch 3 without X-ray command	Operation	warning
`E1169`	Short circuit in foot switch 4 without X-ray command	Operation	warning
`E1170`	Short circuit in foot switch 5 without X-ray command	Operation	warning
`E1171`	Short circuit in foot switch 6 without X-ray command	Operation	warning
`E1172`	X-ray Enable without pressing a hand switch or foot switch	Operation	warning
`E1173`	CAN fault line active	Operation	warning
`E1174`	Internal communication error during operation	Operation	warning
`E1175`	Image-memory life-monitoring fault	Operation	warning
`E1176`	Heat-exchanger fan blocked	Operation	warning
`E1177`	Flow in cooling circuit too low	Operation	warning
`E1178`	No flow in cooling circuit	Operation	error
`E1179`	Coolant pump inactive at X-ray start	X-ray start	error
`E1180`	Short circuit in hand switch 9 without X-ray command	Operation	warning
`E1181`	Short circuit in hand switch 10 without X-ray command	Operation	warning
`E1182`	Short circuit in hand switch 11 without X-ray command	Operation	warning
`E1184`	Short circuit in foot switch 13 without X-ray command	Operation	warning
`E1185`	Short circuit in foot switch 14 without X-ray command	Operation	warning
`E1186`	Short circuit in foot switch 15 without X-ray command	Operation	warning
`E1187`	Short circuit in foot switch 16 without X-ray command	Operation	warning
`E1188`	Emergency Stop	Manual activation	warning
`E1189`	Low battery on wireless footswitch	Operation	warning
`E1190`	Wireless module is not responding	Operation	warning
`E1199`	Main interface error: %0	Operation	error
`E12000`	Function assigned to X-ray switch (%0), ignored	Configuration	warning
`E12001`	X-ray command assigned to function switch (%0), ignored	Configuration	warning
`E12002`	XRaySwitch / FunctionSwitch mismatch in mappings of machinedata.ini	Configuration	warning
`E12003`	CAN modules missing: CAN Module No.	CAN module cannot be found during startup	error
`E12004`	Hard disk full. Image cannot be stored	Image storage	warning
`E12005`	Maximum image storage capacity almost reached	Image storage	info
`E12006`	vision.md in main interface missing	Configuration	warning
`E12007`	vision.md written to main interface	Configuration update	info
`E12025`	Radiation allowed after mode values are displayed	Mode change	info
`E12026`	Unable to change APr: Value rejected, restored previous state	Parameter adjustment	info
`E12027`	Unable to change APr: Value rejected, no recovery possible	Parameter adjustment	info
`E12034`	License not available	Feature access	error
`E12041`	Flat-panel detector communication fault	Operation	warning
`E12042`	Signature check completed	Signature verification	info
`E12045`	Radiation blocked by key switch	Operation	warning
`E12046`	Radiation blocked by invalid APrConfig	Operation	warning
`E12050`	Option stick defective; Vision Center does not work properly; No radiation possible	USB Dongle not found or defective	error
`E12050`	Option stick defective	Operation	warning
`E12051`	Main Interface defective (serial number)	Operation	warning
`E12052`	Serial numbers of mobile stand and monitor cart do not match	Operation	warning
`E12053`	Cannot create dose report: Not current patient	Dose report creation	warning
`E12054`	Cannot create dose report: No dose data available	Dose report creation	warning
`E12055`	Failed to load file %0	File access	warning
`E12057`	Machinedata.ini does not match to capture device frequency	Configuration check	error
`E12060`	CAN Manager transport error	CAN communication transport failure	error
`E12061`	CanManager AckBusOff	CAN communication	error
`E12062`	CanManager AckNoTxd	CAN communication	error
`E12063`	Thin filament defective! System switches to restricted mode with thick filament	Operation	warning
`E12064`	Internal fatal error	Operation	error
`E12070`	CanMaster failed	CAN communication	error
`E12071`	CAN module CameraIrisProxy failed	CAN communication	error
`E12072`	CAN module Collimator failed	CAN communication	warning
`E12073`	CAN module Generator failed	CAN communication	error
`E12074`	CAN module MainInterface failed	CAN communication	error
`E12075`	CAN module Regulation failed	CAN communication	error
`E12076`	CAN module MainPrePowerSupply failed	CAN communication	error
`E12077`	CAN module MainPrePowerSupply1 failed	CAN communication	error
`E12078`	CAN module MainPrePowerSupply2 failed	CAN communication	error
`E12079`	CAN module ELWMS failed	CAN communication	error
`E12080`	CAN module Kinematics failed	Kinematics module communication failure	error
`E12080`	Unknown error in CanMaster. Error state: %0	CAN communication	error
`E12082`	Software update script wasn't found	Software update	error
`E12083`	Software update script couldn't be started	Software update	error
`E12084`	Software update script failed with error %0	Software update	error
`E12096`	Flat-panel detector communication fault: %0	Operation	warning
`E12098`	Cannot overwrite file '%s'. Access denied	File operation	warning
`E1246`	Flat-panel detector communication fault	Ethernet cable disconnected or not connected between Image Memory and Command Processor during startup or VIVA tool operation	critical
`E1300`	Data transfer to DAC failure (SPI interface)	Startup hardware check	error
`E1300`	PPS power-up fault	Power-up	error
`E1301`	PPS overtemperature fault during power-up	Power-up	warning
`E1301`	Temperature sensor check failure	Startup hardware check	error
`E1302`	PPS power-up fault	During power-up	error
`E1302`	Reference voltage DAC (MAX504) check failure	Startup hardware check	error
`E1303`	PPS power-up fault	During power-up	error
`E1303`	Output voltage check failure from DAC (MAX504)	Startup hardware check	error
`E1304`	Wrong EEPROM checksum during power-up	During power-up	error
`E1350`	SPI interface data transfer error (runtime)	Every nominal value change during runtime	error
`E1350`	PPS power-up fault	During power-up	error
`E1351`	PPS overtemperature fault during operation	During system operation	warning
`E1351`	Temperature error (runtime)	Permanent runtime temperature monitoring	warning
`E1355`	CAN fault detection	Permanent runtime CAN line monitoring	error
`E1358`	Output voltage beyond tolerance	During system operation	warning
`E1398`	PPS power-up fault	During power-up	error
`E1399`	PPS fault	During operation	error
`E1400`	Servo Rotation position fault	During operation	warning
`E1401`	Servo Rotation not connected	During operation	warning
`E1402`	Servo Rotation not ready	During operation	warning
`E1403`	Servo Iris position fault	During operation	warning
`E1404`	Servo Iris not connected	During operation	warning
`E1405`	Servo Iris not ready	During operation	warning
`E1406`	Servo Slot 1 position fault	During operation	warning
`E1407`	Servo Slot 1 not connected	During operation	warning
`E1408`	Servo Slot 1 not ready	During operation	warning
`E1409`	Servo Slot 2 position fault	During operation	warning
`E1410`	Servo Slot 2 not connected	During operation	warning
`E1411`	Servo Slot 2 not ready	During operation	warning
`E1412`	Servo Corner position fault	During operation	warning
`E1413`	Servo Corner not connected	During operation	warning
`E1414`	Servo Corner not ready	During operation	warning
`E1420`	DAP meter mismatch or not available	During operation	warning
`E1421`	DAP meter error	During operation	warning
`E1448`	Collimator startup error	During power-up or collimator initialization	warning
`E1449`	Vision Track unknown error	During Vision Track operation	warning
`E1450`	Servo position fault	During operation	warning
`E1451`	Servo not connected	During operation	warning
`E1452`	Servo not ready	During operation	warning
`E1499`	I.I. power supply unknown error	During operation	warning
`E1700`	kVmA table: kV not ascending	During table validation	warning
`E1701`	kVmA table: power not ascending	During table validation	warning
`E1702`	kVmA table not finished	During table validation	warning
`E1705`	No external video signal	During operation	warning
`E1708`	Generator pulse error	During operation	warning
`E1709`	No VSync	During operation	warning
`E1710`	No Interrupt	During operation	warning
`E1711`	No communication PPC-generator	During operation	warning
`E1712`	Wrong mA value from generator	During operation	warning
`E1713`	X-ray not allowed	During operation when X-ray should not emit	warning
`E1714`	Max. mA value cannot be read	During operation	warning
`E1716`	Image-memory power-up fault	During power-up	error
`E1717`	Image-memory power-up fault	During power-up	error
`E1718`	Image-memory power-up fault	During power-up	warning
`E1719`	Gain adjustment not possible	During power-up or calibration	error
`E1720`	Image-memory fault	During operation	error
`E1721`	Image-memory fault	During operation	error
`E1722`	V-Sync corrupt	At least one V-sync pulse missing at image memory input	error
`E1723`	Video standard unknown	During operation	error
`E1724`	Image-memory fault	During power-up	error
`E1725`	M-Data unknown	During operation	warning
`E1726`	Collimator does not support DAP values	During operation	warning
`E1727`	Flat-panel detector not supported by this version	During operation	warning
`E1728`	Internal fatal communication error	During operation	warning
`E1729`	Internal communication error	During operation	error
`E1732`	Image-memory power-up fault	During power-up	error
`E1733`	Image-memory power-up fault	During power-up	error
`E1734`	Image-memory power-up fault	During power-up	error
`E1735`	Image-memory power-up fault	During power-up	error
`E1736`	Image-memory power-up fault	During power-up	error
`E1737`	Image-memory power-up fault	During power-up	error
`E1738`	No external video signal	No video signal present at image memory input	error
`E1740`	Hardware doesn't support grid regulation	During operation	warning
`E1741`	Hardware doesn't support motion detection	During operation	warning
`E1742`	Hardware doesn't support DAP calculation	During operation	warning
`E1743`	Hardware doesn't support automatic dose reduction	During operation	warning
`E1747`	Black level >= White level	During calibration or operation	error
`E1756`	FFC board not available	During power-up or operation	error
`E1757`	FFC not working properly	During operation	error
`E1759`	Generator version and PPC version not compatible	During power-up	error
`E1760`	High resolution with pulse length 0 not allowed	During operation with high resolution mode	error
`E1789`	PPC unknown error	During operation	error
`E1790`	PPC CAN Exception error	During operation	warning
`E1800`	Radiation indication lamp defective during power-up	During power-up	warning
`E1801`	Wrong EEPROM checksum during power-up	During power-up	warning
`E1802`	Image-memory power-up fault	During power-up	warning
`E1803`	Image-memory power-up fault	During power-up	warning
`E1804`	No communication with left flatscreen	During power-up or operation	warning
`E1805`	No communication with right flatscreen	During power-up or operation	warning
`E1806`	Image-memory power-up fault	During power-up	warning
`E1807`	Image-memory power-up fault	During power-up	warning
`E1808`	Switch on printer	During operation	warning
`E1850`	Radiation indication lamp defective during operation	During system operation	warning
`E1865`	U578 execution failed	During U578 operation	warning
`E1898`	U578 Startup Error	During power-up	warning
`E1899`	U578 Error	During operation	warning
`Setting the network configuration failed`	Network configuration cannot be applied to system	During network settings configuration	error
`Verification failed OM[5]: Association rejected: Wrong serve`	DICOM AE title mismatch prevents server connection	Test button pressed during DICOM server configuration	error
`Verification failed OM[6]: Association request failed`	DICOM server connection cannot be established	Test button pressed during DICOM server configuration	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.