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X-ray fluoroscopy systems · STENOSCOP family

GE Healthcare STENOSCOP: troubleshooting and error codes

The ServiceForge knowledge base holds 56 documented symptoms for the GE Healthcare STENOSCOP, with 67 ranked causes, 237 diagnostic checks with test points and expected values, and 0 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: External laser aiming radiation

Class IIIA laser aiming system requires preadjustment and alignment with X-ray field for accurate targeting during fluoroscopy procedures.

Ranked causes

  1. 1. Factory preadjustment or laser replacement required (common)
  2. 2. Reticule positioning required after preadjustment (common)
  3. 3. Final adjustment before each use (common)
First check

Verify C-arm stability before adjustment

Test point
C-arm assembly
Expected
Stable without movement

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

Calibration: Integrated laser alignment radiation

Alignment of integrated Class IIIA laser diode assembly with image intensifier field using X-ray fluoroscopy and mechanical adjustment screws.

Ranked causes

  1. 1. Initial laser positioning on image intensifier (common)
  2. 2. Lateral and longitudinal laser beam alignment (common)
  3. 3. Final verification and collimator reassembly (common)
First check

Remove collimator cover

Test point
Collimator cover assembly
Expected
Cover removed to allow laser access

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

Calibration: kV circuit adjustment (Wisconsin cassette method) radiation

Measurement and calibration of high-voltage kV circuit (3A12-R216) using Wisconsin X-ray test cassette to verify HF unit output within tolerance.

Ranked causes

  1. 1. HF unit kV output out of specification tolerance (occasional)
  2. 2. VHV measurement outside tolerance range (occasional)
  3. 3. Unit fault condition (PWB or circuit failure) (rare)
First check

De-energize mobile system before measurements

Test point
System power supply
Expected
System powered down; no residual voltage present

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

Calibration: T1 delay adjustment on 3A1 Interface DSM radiation

Adjust timing delay T1 for DSM Interface module to ensure proper signal synchronization in fluoroscopy sequence

Ranked causes

  1. 1. T1 delay timing requires calibration after board installation or accidental uncalibration (common)
  2. 2. T2 delay verification for automatic control sequence (common)
  3. 3. T3 delay check for RX control sequence (common)
First check

Measure T1 delay on rising edge of signal at 3A1.E123

Test point
3A1.E123
Expected
1000 +/- 20 ms, +/-20 ms
Tools
Oscilloscope, probe x10

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

Calibration: Dose Area Product meter radiation

DAP meter (Model 841-SO) requires calibration to ensure displayed readings match reference instrument measurements. Calibration is necessary when offset adjustment is incorrect or readings drift significantly over time.

Ranked causes

  1. 1. Incorrect offset adjustment or drift (common)
  2. 2. Energy response variation (occasional)
First check

Verify display stability after warm-up and reset

Test point
Display
Expected
Zero for 30 minutes

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

Calibration: Phase adjustment for ABD control signal radiation

Adjust oscilloscope-based phase and gain to obtain stable image without overshoot, oscillation, or excessive glare on monitor during fluoroscopy modes

Ranked causes

  1. 1. Initial phase adjustment required for automatic brightness control stability (common)
  2. 2. Hysteresis adjustment needed for stable automatic control (occasional)
First check

Measure ABD control signal overshoot and glare on monitor

Test point
3A5.b9
Expected
Maximum 33% overshoot with glare; 50% overshoot max for regulation at 45+/-1 kV, 33% max typical, 50% max acceptable
Tools
Oscilloscope

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

Interface controls alignment check (Imager) radiation

Verification that interface signals from Stenoscop reach the II assembly, including X-RAY ON, CLTV, and PG signals. Optical centering and longitudinal axis alignment are preset at factory.

Ranked causes

  1. 1. Signal voltage out of tolerance (occasional)
  2. 2. CCD Interface Board misalignment (rare)
First check

Remove power and access II assembly

Test point
II assembly rear cover, rack cover
Expected
Components accessible without damage

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

Back wheel brake cam disassembly caution

Brake cam assembly requires removal and inspection during service

Ranked causes

  1. 1. Service requirement (unknown)

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

Board disassembly and reassembly from monitor high voltage

Removal and replacement of internal boards: LV power supply, deflection, AT power supply, video, selection, and light sensor boards from monitor assembly

Ranked causes

  1. 1. Defective monitor board requiring replacement (unknown)
First check

Disconnect monitor from power source

Test point
Power supply
Expected
Monitor disconnected and de-energized

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

Brake shoe replacement caution

Worn brake shoe on wheel assembly needs replacement

Ranked causes

  1. 1. Defective brake shoe (unknown)

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

C-arm motor PWB removal caution

Motor control board disassembly from mobile system for service or replacement

Ranked causes

  1. 1. C-arm motor PWB service required (unknown)

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

C-arm wheel replacement caution

Defective wheel on C-arm chassis requires replacement to restore mobility

Ranked causes

  1. 1. Defective wheel (unknown)

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

Calibration after X-ray head replacement radiation

Perform preheating and mA adjustment following X-ray head installation

Ranked causes

  1. 1. System requires recalibration after component replacement (common)

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

Calibration: ABD signal offset adjustment radiation

ABD signal voltage at TP1/TP7 on CCD Video Board requires zeroing without X-rays

Ranked causes

  1. 1. ABD signal offset drift (unknown)
First check

Measure ABD signal voltage without X-rays

Test point
TP1 to TP7, CCD Video Board
Expected
0 V +20/–20 mV, +20/–20 mV
Tools
Digital multimeter

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

Calibration: Anode cooling pause safety delay adjustment radiation

Adjust safety delay for anode cooling pause function on Interface DSM (PWB 828 988 G035) to prevent premature X-ray exposure

Ranked causes

  1. 1. Anode cooling pause safety delay requires calibration on DSM Interface (code 828 988 G035) (occasional)
First check

Measure anode cooling pause delay

Test point
3A1.E608
Expected
2 sec +/- 0.4 sec, +/-0.4 sec
Tools
Oscilloscope, 0.5 Sec/div sweep

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

Calibration: Automatic fluoroscopy loop gain preadjustment radiation

Preadjustment of regulation loop potentiometers to establish baseline conditions before phase and gain fine-tuning.

Ranked causes

  1. 1. Loop gain preadjustment for regulation stability (common)
First check

Set all potentiometers to preadjustment positions

Test point
3A5.R67, 3A5.R60, 3A5.R66 positions
Expected
R67=fully CCW, R60=fully CW, R66=mid-range

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

Calibration: Automatic fluoroscopy phase and loop gain adjustment radiation

Fine-tuning of regulation loop phase lead and gain for stable automatic brightness control response using appropriate phantom material.

Ranked causes

  1. 1. Regulation loop stability optimization with material selection (common)
First check

Select appropriate phantom material for adjustment

Test point
Phantom material composition
Expected
Water or plastic (polyamide/polyethylene) preferred; copper acceptable but requires caution
Tools
Phantom materials (water, plastic, copper options)

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

Calibration: Automatic fluoroscopy system dose reference radiation

Calibration of dose reference signal for automatic fluoroscopy using operational amplifier output measurement and potentiometer adjustment.

Ranked causes

  1. 1. Dose reference adjustment for automatic fluoroscopy feedback (common)
First check

Position copper absorption and connect oscilloscope probe

Test point
X-ray head outlet, 3A5.A82 pin 6 operational amplifier output
Expected
2mm copper in place, oscilloscope probe clipped to R108 (easy access point)
Tools
Oscilloscope, DVM

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

Calibration: Automatic fluoroscopy system X-ray emission reference radiation

Calibration of X-ray emission reference level for automatic fluoroscopy dose control using calibrated copper absorption and oscilloscope measurement.

Ranked causes

  1. 1. X-ray emission reference level adjustment for automatic fluoroscopy (common)
First check

Place copper absorption and connect oscilloscope

Test point
X-ray head outlet, 3A5.b9 signal output
Expected
2mm copper filter in place, oscilloscope connected to ABD signal
Tools
Dual beam oscilloscope with double time base

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

Calibration: Black level threshold adjustment radiation

Automatic mode shutter blanking threshold adjustment using ABD window display

Ranked causes

  1. 1. Black level threshold requires adjustment for shutter blanking (unknown)
First check

Verify shutter blanking in ABD window

Test point
ABD window display on CCD Video Board
Expected
Opaque shutters visible at image edges

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

Calibration: Brightness and contrast adjustment

Monitor brightness and contrast controls under back door need adjustment; light sensor normally auto-adjusts per ambient light

Ranked causes

  1. 1. Brightness and contrast require manual calibration (rare)
First check

Set video signal level

Test point
video input
Expected
250 mV
Tools
probe

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

Calibration: Dose 1 adjustment (low dose) radiation

Low dose fluoroscopy mode iris aperture and voltage adjustment for specified dose rate at image intensifier entry

Ranked causes

  1. 1. Dose 1 iris aperture requires calibration (unknown)
First check

Check video voltage after dose rate adjustment

Test point
TP1 to TP7, CCD Video Board
Expected
2.1 V ±50 mV, ±50 mV

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

Calibration: Dose 2 adjustment (high dose) radiation

High dose fluoroscopy mode iris aperture and voltage adjustment for specified dose rate at image intensifier entry

Ranked causes

  1. 1. Dose 2 iris aperture requires calibration (unknown)
First check

Verify automatic fluoroscopy video voltage

Test point
TP1 to TP7, CCD Video Board
Expected
2.1 V
Tools
Digital multimeter

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

Calibration: Dose Area Product Meter display radiation

LCD display setup and functional verification after replacement or power-up

Ranked causes

  1. 1. Display assembly requires functional check after installation or power-up (common)
First check

Power up X-ray machine and observe LCD display

Test point
LCD display
Expected
A number will appear on the LCD display

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

Calibration: Fluoroscopy/radiography switch timing radiation

Verification that the switching between fluoroscopy and radiography modes completes within specified time window and focal spot selection is correct.

Ranked causes

  1. 1. Mode switch timing and focal spot verification (common)
First check

Connect oscilloscope in differential mode to CR5 terminals

Test point
5A1-CR5 anode and cathode (use add mode)
Expected
Differential voltage waveform visible; ground to chassis
Tools
Dual channel oscilloscope 50MHz, differential probe capability

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

Calibration: Image intensifier assembly alignment radiation

Optical unit lens support alignment with longitudinal axis and circular blanking window centering

Ranked causes

  1. 1. II assembly misalignment with optical axis detected (rare)

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

Calibration: mAs integrator adjustment radiation

Calibration of mAs (milliampere-seconds) integrator potentiometers R5 and R6 to ensure accurate exposure dose across full mAs range.

Ranked causes

  1. 1. mAs integrator adjustment required for dose accuracy (common)
First check

Remove X-ray head cover and divider bridge, install mAs meter

Test point
6A1 divider circuit, W33 jumper location
Expected
mAs meter inserted in current measuring circuit, circuit continuity verified
Tools
mAs meter, wire grip

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

Calibration: Monitor adjustment at 100 Hz high voltage

Adjustment of vertical frequency, size, linearity, and horizontal parameters at 100 Hz refresh rate for proper image display.

Ranked causes

  1. 1. Monitor requires calibration after assembly or component replacement (common)
First check

Vertical frequency measurement

Test point
TP9
Expected
Sawtooth 4V amplitude
Tools
Oscilloscope

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

Calibration: Monitor adjustment at 120 Hz high voltage

Adjustment of vertical frequency, size, and linearity at 120 Hz refresh rate for proper image display.

Ranked causes

  1. 1. Monitor requires calibration for 120 Hz operation (common)
First check

Vertical frequency measurement at 120 Hz

Test point
TP9
Expected
Sawtooth 4V amplitude
Tools
Oscilloscope

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

Calibration: Monitor brightness and blanking high voltage

Adjustment of blanking timing and horizontal blank position for proper image boundaries.

Ranked causes

  1. 1. Monitor requires blanking calibration (common)
First check

Blanking timing measurement

Test point
TP109 on video board
Expected
Square wave with ON time 30 µs
Tools
Oscilloscope

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

Calibration: Monitor brightness setting in darkroom

Adjust monitor brightness to achieve correct luminance in darkroom conditions with maximum external adjustment

Ranked causes

  1. 1. Monitor brightness requires darkroom calibration (rare)
First check

Display black level image

Test point
monitor display
Expected
black image only

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

Calibration: Monitor focus adjustment

Adjust focus across monitor display using three focus controls for optimal image sharpness

Ranked causes

  1. 1. Focus requires multi-point calibration (rare)
First check

Set video signal level

Test point
video input
Expected
0.7 V
Tools
voltmeter

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

Calibration: T4 delay adjustment for pulsed fluoroscopy radiation

Adjust timing delay T4 generated after first RX pulse in pulsed fluoroscopy mode for proper image capture synchronization

Ranked causes

  1. 1. T4 delay requires calibration for pulsed fluoroscopy synchronization (common)
First check

Measure T4 delay after first RX pulse in pulsed mode

Test point
3A1.E126
Expected
500 +/- 10 ms, +/-10 ms
Tools
Oscilloscope, probe x10

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

Calibration: T5 minimum delay check for pulsed fluoroscopy radiation

Verify T5 delay timing in pulsed fluoroscopy mode to ensure proper minimum delay after initialization

Ranked causes

  1. 1. T5 delay verification required for pulsed mode timing validation (common)
First check

Measure T5 minimum delay in pulsed fluoroscopy mode

Test point
3A1.E127
Expected
880 +/- 100 ms, +/-100 ms
Tools
Oscilloscope, probe x10

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

Calibration: T6 pulsed fluoroscopy rate adjustment radiation

Adjust timing for pulsed fluoroscopy pulse rate to achieve 1 X-ray pulse per 1.5 second with T4=500 ms

Ranked causes

  1. 1. T6 rate adjustment required for pulsed fluoroscopy pulse frequency (common)
First check

Measure T6 pulse rate delay in pulsed fluoroscopy mode

Test point
3A1.E121
Expected
1000 +/- 50 ms; results in 1 X-ray pulse per 1.5 second with T4=500 ms, +/-50 ms
Tools
Oscilloscope, probe x10

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

Calibration: Tube current in radiography mode radiation

Adjustment of X-ray tube current (mA) output during radiography exposures using potentiometer control and oscilloscope measurement.

Ranked causes

  1. 1. Initial tube current adjustment required for radiography mode (common)
First check

Oscilloscope connection to A26.a32 output

Test point
A26.a32
Expected
Signal capture for current monitoring
Tools
Dual channel oscilloscope 50 MHz

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

Calibration: Tube current verification in radiography mode radiation

Verification measurement of actual X-ray tube current across multiple kV settings using inline milliammeter in RAD mode.

Ranked causes

  1. 1. Tube current verification measurement across kV range (common)
First check

Remove mA jumper and install DC milliammeter

Test point
6A1 divider circuit current measuring path
Expected
Circuit continuity verified, milliammeter in series
Tools
Milliammeter, wire grip

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

Calibration: Video signal level check radiation

CCD video output signal amplitude verification at test point with copper attenuation filter

Ranked causes

  1. 1. Video signal level requires verification (unknown)

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

Calibration: X-ray on delay adjustment radiation

Automatic mode fluoroscopy startup time delay adjustment to prevent oscillations

Ranked causes

  1. 1. X-ray on delay requires adjustment for oscillation prevention (unknown)

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

Capacitor discharge procedure for CRT handling high voltage

Safe discharge of CRT capacitance before disconnecting final anode or handling CRT assembly to prevent electrical shock hazard

Ranked causes

  1. 1. CRT capacitance charge presents electrocution hazard (common)
First check

Disconnect monitor from power source

Test point
Power supply connection
Expected
Monitor fully disconnected

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

Collimator adjustment and centering radiation

Reassemble and center collimator in X-ray beam after installation

Ranked causes

  1. 1. Collimator misalignment (common)

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

CRT physical handling and safety patient safety

Safe physical handling procedures for CRT removal and installation to prevent damage and injury from glass implosion

Ranked causes

  1. 1. CRT glass bottle fragility and implosion hazard (rare)
First check

Wear safety glasses before starting CRT handling

Test point
Personal protective equipment
Expected
Safety glasses properly fitted

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

Disassembly/Reassembly: Imageur Head patient safety

Removal and installation of CCD imaging head unit from C-arm gantry

Ranked causes

  1. 1. Imageur head requires removal for service or repair (occasional)
First check

Remove rear cover from Imageur Head

Test point
Imageur rear cover screws
Expected
Cover removed: 3x M5 screws (16-cm) or 2x M5 screws (22-cm)

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

Disassembly/Reassembly: X-ray Image Intensifier Tube radiation

Removal and installation of II tube assembly with high-voltage connector management

Ranked causes

  1. 1. Image Intensifier tube requires replacement or inspection (rare)
First check

Prepare disassembly area and positioning

Test point
Work surface and Stenoscop position
Expected
Flat surface prepared, Stenoscop horizontal, Imageur Head above rest surface

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

EHV power supply replacement high voltage

Thomson TH7191 EHV power supply requires disassembly and reassembly on STENOSCOP 2 6000/9000 C.C.D. – M.D.A. imaging system

Ranked causes

  1. 1. EHV power supply failure or end-of-life replacement (unknown)

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

Hard disk replacement

Hard disk assembly requires replacement for storage malfunction or upgrade

Ranked causes

  1. 1. Defective hard disk (unknown)
First check

Remove monitor cart back cover

Test point
Monitor cart rear
Expected
Back cover removed

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

Modulator capacitors replacement high voltage

Disassembly and reassembly of modulator capacitors 4C1 to 4C6

Ranked causes

  1. 1. Defective modulator capacitors (unknown)

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

Monitor cart cover disassembly and reassembly caution

Removal and reinstallation of monitor cart covers A, B, and C for access to internal components

Ranked causes

  1. 1. Need access to internal monitor components (unknown)
First check

Switch OFF unit and remove mains plug

Test point
Power source
Expected
Unit powered down and disconnected from outlet

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

Motor belt tension adjustment caution

Belt between motor and pulley requires tension adjustment to ensure proper drive engagement and prevent slippage

Ranked causes

  1. 1. Belt tension incorrect during assembly or maintenance (common)
First check

Measure belt play between pulleys

Test point
Between motor and driven pulley
Expected
10 +/– 2 mm when 5 N force applied, +/– 2 mm
Tools
5 N force gauge

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

Motor fuse 1A1F5 blown caution

Motor circuit protection blown; UP/DOWN column motion affected

Ranked causes

  1. 1. Excessive motor current from mechanical binding or wear (common)

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

Operation check: Automatic control stability with varying absorption radiation

Verify automatic brightness control provides stable images without abnormal glare or oscillation across different absorption conditions and filter configurations

Ranked causes

  1. 1. Operation verification required after calibration to ensure automatic control stability (common)
First check

Check image appearance with various absorptions and filters

Test point
Display monitor
Expected
No abnormal glare; no oscillation apparent

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

Replacement: Ion Chamber assembly radiation

Ion chamber unit removal and installation for the dose measurement system

Ranked causes

  1. 1. Ion chamber requires replacement or service (occasional)
First check

De-energize the mobile system

Test point
Power supply
Expected
System powered off

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

Touch screen assembly replacement

Touch screen interface needs replacement due to defect or malfunction

Ranked causes

  1. 1. Defective touch screen assembly (unknown)
First check

Remove monitor cart front cover

Test point
Monitor cart front
Expected
Front cover removed

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

Verification of field size measurement radiation

Confirmation that reference chamber is positioned within radiation beam and field size is measured correctly for DAP calibration calculation.

Ranked causes

  1. 1. Reference chamber outside beam or field size incorrect (occasional)
First check

Position reference dosemeter within beam

Test point
Reference dosemeter location
Expected
Totally within radiation beam

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

X-ray head centering radiation

Align X-ray beam and collimator with image intensifier after installation

Ranked causes

  1. 1. Head misalignment after replacement (common)

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

X-ray head removal and replacement radiation

X-ray head assembly disassembly and reassembly with calibration checks

Ranked causes

  1. 1. X-ray head service or replacement (unknown)
First check

Continuity of kV and mA measure connections

Test point
6A1.PL2.9 to 3A12.PL1.7
Expected
Continuity verified with ohmmeter
Tools
Ohmmeter

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

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

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