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X-ray systems · Definium family

GE Healthcare Definium 8000: troubleshooting and error codes

The ServiceForge knowledge base holds 56 documented symptoms for the GE Healthcare Definium 8000, with 75 ranked causes, 150 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

Collimator light field intensity low radiation

Light output from collimator is below minimum acceptable level (less than 15 foot candles / 160 lux at 100 cm from focal spot)

Ranked causes

  1. 1. Lamp, mirror, Mylar window dirty or discolored (common)
  2. 2. Lamp voltage too low (common)
  3. 3. Mirror installed backwards (occasional)
  4. 4. Supply cable too long (occasional)
  5. 5. Faulty collimator bulb (common)
  6. 6. Faulty lamp socket (occasional)
First check

Measure lamp voltage

Test point
directly across lamp or bulb socket
Expected
Ultranet GE lamp: 23.0 VAC min; Ultranet Philips lamp: 21.5 VAC min; AMX: 20.0 VAC min; Siemens: 22.2 VAC min; Eclipse Proteus: 13.4 VDC min, + meter tolerance
Tools
Fluke Digital Multimeter on 200V scale or equivalent

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

Technique accuracy or indirect linearity test fails radiation

Pass flag is not intact after exposure testing at specified kVp and mA settings; one or more flags indicate measurement deviation

Ranked causes

  1. 1. Meter calibration out of tolerance (common)
  2. 2. mA station out of calibration (common)
  3. 3. kV calibration out of tolerance (common)
  4. 4. Linearity error in measurement system (occasional)
First check

Take minimum of 6 exposures for technique accuracy

Test point
RAD tube and SF tube in R013
Expected
One exposure each at 60, 80, and 130 kVp for each filament; use XS=100 mA and XL=500 mA at 20 mAs
Tools
Keithley non-invasive kV meter, software version 3382 form

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

Meter calibration overdue or non-compliant radiation

Radiation measuring instruments without current calibration or not calibrated per regulatory requirements

Ranked causes

  1. 1. Calibration interval has expired (common)
  2. 2. Meter requires recalibration after repair or malfunction (common)
  3. 3. Suspected meter damage from drop or abuse (rare)
First check

Verify calibration sticker shows current calibration date within interval

Test point
Meter calibration sticker
Expected
Next calibration date is in the future; current date is before that date

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

Auto collimator does not enter or remain in AUTO mode at correct SID radiation

Collimator fails to automatically control shutters or enters manual mode outside the required SID range of 90–130 cm

Ranked causes

  1. 1. SID detection switch or sensor malfunction (unknown)
  2. 2. Control logic or mode selection circuit failure (unknown)
First check

Verify SID scale and SID indication present and readable

Test point
Collimator SID scale
Expected
SID scale visible and SID indicator present

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

Collimator blades not visible or misaligned with X-ray field radiation

Four collimator blades or rectangular blades not visible on monitor during fluoroscopy, or X-ray field extends beyond display by more than tolerance

Ranked causes

  1. 1. Collimator gain incorrectly set (common)
  2. 2. Collimator blade mechanical misalignment or decentering (occasional)
First check

Verify collimator is in automatic mode

Test point
Collimator blades joystick button
Expected
Lights ON beside joystick

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

Collimator corner blades misaligned (Discovery IGS systems) radiation

Corner blades of octagonal X-ray field not parallel to monitor edges or decentered during head-up display mode

Ranked causes

  1. 1. Corner blade decentering or rotation relative to system (occasional)
  2. 2. Collimator corner blade gain setting incorrect (common)
First check

Verify head-up display mode activation

Test point
DL console rotation button
Expected
Rotation button highlighted (active)

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

In-table fluoro collimator does not limit beam to cassette or film size radiation

Shutters fail to automatically limit beam size when cassette is inserted or during transfer between fluoroscopy and record modes

Ranked causes

  1. 1. Cassette detection switch or positioning sensor failure (common)
  2. 2. Shutter motor or solenoid malfunction (occasional)
First check

Insert cassette and switch SFD selector to AUTO

Test point
SFD mode selector switch, cassette position
Expected
Shutters limit beam to visual area in fluoroscopy mode

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

Inaccurate or unstable radiation meter readings radiation

Meters showing noisy, unstable, or unreliable measurements due to condensation or environmental factors

Ranked causes

  1. 1. Condensation on meter due to temperature exposure (occasional)
  2. 2. Meter malfunction or damage (rare)
First check

Inspect meter for visible condensation on display or probe window

Test point
Meter exterior and probe entrance
Expected
No condensation visible; clear optics

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

Manual collimator installed in unsupported system configuration patient safety

Manual collimator used in system type not listed in HHS certification requirements or without required documentation

Ranked causes

  1. 1. Collimator model not certified for installed system type (rare)
  2. 2. Missing on-site documentation permitting manual collimator use (occasional)
First check

Identify radiographic system type and compare to Table 3-2

Test point
System type nameplate, service manual
Expected
System type matches one of the approved entries in Table 3-2 (Mobile, Rapid Film Changer, Single Size Cassette & Fixed SID, Room W/O Permanent Bucky, Single purpose systems, or documented other types)

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

Manual fluoro collimator does not limit beam to maximum receptor size radiation

Shutters exceed maximum beam size when manually controlled or fail to prevent opening beyond format size after cassette transfer

Ranked causes

  1. 1. Shutter limit stop or mechanical stop worn or misaligned (occasional)
  2. 2. Format size sensor or automatic size-change logic failure (occasional)
First check

Switch SFD selector to MANUAL

Test point
SFD mode selector
Expected
Collimator enters manual shutter control mode

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

Octagonal X-ray field compliance test failed (Discovery IGS with Head up display) radiation

Test Data Results report shows fail in compliance of octagonal X-ray field measurements, discrepancies, overlap percentage, or maximum extent for Discovery IGS systems with Head up display mode

Ranked causes

  1. 1. Blade not visible or too visible on monitor (common)
  2. 2. Alignment of detector or collimator fail (common)
First check

Activate Head up display mode and measure octagonal X-ray field

Test point
Monitor display with rotation button highlighted
Expected
Measurements c1', c2', d1', d2' recorded in cm on monitor

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

Square X-ray field compliance test failed radiation

Test Data Results report shows fail in compliance of square X-ray field measurements or discrepancies between X-field and image reception area

Ranked causes

  1. 1. Blade not visible or too visible on monitor (common)
  2. 2. Alignment of detector (common)
First check

Verify all measurement data points recorded

Test point
Test Data Results report
Expected
All c1, c2, d1, d2 values recorded and formulas correctly applied

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

600 mAs/2000 mAs backup not actuating or not resetting radiation

Exposure does not terminate at 600 mAs (≥50 kVp) or 2000 mAs (<50 kVp); manual reset not required or visual indication absent after backup activation

Ranked causes

  1. 1. Backup circuit malfunction or not configured per specification (unknown)
First check

Verify 600 mAs/2000 mAs backup terminates exposure and manual reset is required

Test point
Generator output; exposure timer
Expected
Exposure terminates at 600 mAs when kVp ≥50 kVp or at 2000 mAs when kVp <50 kVp; manual reset required before next automatic exposure

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

Audible tone or buzzer not functioning during exposure termination patient safety

No audible signal when radiographic exposure ends

Ranked causes

  1. 1. Buzzer or tone circuit failure (unknown)
First check

Verify audible tone or buzzer sounds at radiographic exposure termination

Test point
Generator audible output; expose without film
Expected
Audible tone or buzzer sounds when exposure ends

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

Audible tones not sounding at exposure termination patient safety

Radiographic or fluoroscopic exposure does not produce audible tone or buzzer at termination

Ranked causes

  1. 1. Audible tone/buzzer system malfunction (unknown)
First check

Verify audible tone sounds at radiographic exposure termination

Test point
Radiographic exposure termination
Expected
Audible tone or buzzer sounds

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

Calibration accuracy accounting for meter tolerance radiation

Setting exposure rate limits to account for radiation meter calibration error when measuring table top output

Ranked causes

  1. 1. Meter has specified calibration tolerance that affects measurement accuracy (common)
First check

Read calibration accuracy specification from meter or probe

Test point
Meter calibration sticker or probe specification label
Expected
Accuracy listed as percentage (e.g., ±5%, ±10%)

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

Calibration: AEC dose table verification radiation

Verify automatic exposure control dose output for table position meets specification

Ranked causes

  1. 1. AEC dose calibration drift (unknown)
First check

Measure AEC dose output at table position

Test point
AEC detector output
Expected
Pass

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

Calibration: AEC dose wall stand verification radiation

Verify automatic exposure control dose output for wall stand position meets specification

Ranked causes

  1. 1. AEC dose calibration drift (unknown)
First check

Measure AEC dose output at wall stand position

Test point
AEC detector output
Expected
Pass

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

Calibration: Beam quality HVL measurement radiation

Verify half-value layer (HVL) meets specification for beam quality

Ranked causes

  1. 1. Beam quality out of specification (unknown)
First check

Measure beam quality HVL

Test point
X-ray beam
Expected
Pass

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

Calibration: Collimator alignment at 100 cm large focal spot radiation

Verify collimator alignment meets specification at 100 cm SID with large focal spot

Ranked causes

  1. 1. Collimator misalignment (unknown)
First check

Collimator alignment at 100 cm SID large focal spot

Test point
Collimator output
Expected
Pass

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

Calibration: Collimator alignment at 100 cm small focal spot radiation

Verify collimator alignment meets specification at 100 cm SID with small focal spot

Ranked causes

  1. 1. Collimator misalignment (unknown)
First check

Collimator alignment at 100 cm SID small focal spot

Test point
Collimator output
Expected
Pass

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

Calibration: Fluoro Collimator to Spot-film Device centering radiation

Center-to-center displacement between fluoro collimator and spot-film device (SFD) image centers exceeds acceptable limits across different format and angulation combinations

Ranked causes

  1. 1. Fluoro collimator and SFD misalignment (unknown)
First check

Retrieve factory data for Fluoro Collimator to SFD centering

Test point
Factory data form
Expected
Two worst-case format and angulation combinations identified

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

Calibration: Fluoro Collimator to Spot-film Device field size radiation

Field size (width and length) of spot-film device image does not match factory specification across different format and angulation combinations

Ranked causes

  1. 1. Fluoro collimator and SFD field size mismatch (unknown)
First check

Verify factory material thickness specification

Test point
Factory form for SFD test
Expected
Total thickness of material between table hard surface and test tool bottom specified by Factory

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

Calibration: Image overlap test for fixed cones or cylinders radiation

Verify X-ray field alignment and overlap with image receptor for fixed cones or cylinders used at fixed SID with single image receptor size

Ranked causes

  1. 1. Image overlap or misalignment with receptor (unknown)
First check

Align X-ray source to receptor

Test point
Source to receptor alignment
Expected
Normal operator alignment procedures completed

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

Calibration: kVp/mA & Generator mAs specification accuracy radiation

Verify that kVp and mAs (or mA and time) match selected values within specified accuracy at installation, preventative maintenance, and repair.

Ranked causes

  1. 1. Calibration verification required (common)
First check

Verify half value layer before testing

Test point
Equipment setup
Expected
Half value layer verified

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 size

Light field size adjustment to 25 cm square (12.5 cm per direction)

Ranked causes

  1. 1. Default light field requires adjustment (unknown)
First check

Verify current light field size setting

Test point
Collimator display or control panel
Expected
Current field size displayed

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

Calibration: mR/mAs value verification radiation

Verify exposure rate per milliampere-second meets specification

Ranked causes

  1. 1. Tube output drift (unknown)
First check

Measure exposure rate mR/mAs

Test point
X-ray tube output
Expected
Pass

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

Calibration: Power and leakage test USA high voltage

Measure leakage current and voltage at ground for USA critical care and wet location installations

Ranked causes

  1. 1. Excessive leakage current or improper grounding (unknown)
First check

Measure leakage voltage and current per USA regulatory requirements

Test point
System grounds and chassis
Expected
Within regulatory limits

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

Calibration: Quality assurance phantom test radiation

Verify image quality using QA phantom meets specification

Ranked causes

  1. 1. Image quality degradation (unknown)
First check

Evaluate QA phantom image quality

Test point
Phantom image
Expected
Pass

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

Center to Center misalignment exceeds tolerance radiation

X-ray field center does not align with image receptor center; detected during collimator alignment test procedures

Ranked causes

  1. 1. Tube or receptor mechanical misalignment (unknown)
First check

Insert cassette and establish SID

Test point
Bucky or cassette holder
Expected
12 x 14 inch cassette centered in Bucky

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

Collimator blades do not move to new position within required time radiation

Shutters or blades respond slowly to mode changes or SID adjustments, taking longer than expected to reach final position

Ranked causes

  1. 1. Collimator mechanical or drive system malfunction (unknown)
First check

Measure time for collimator blades to move to new position

Test point
Collimator shutters
Expected
less than 5 seconds, <5 seconds

Collimator blades not visible in magnification mode radiation

One or more collimator blades are not visible in the intensifier image during fluoro magnification modes

Ranked causes

  1. 1. Collimator to intensifier sizing misalignment (unknown)
First check

Verify all four collimator blades visible in each magnification mode

Test point
Intensifier image display
Expected
All four collimator blades visible

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

Collimator does not inhibit exposures when exposure inhibit condition is detected radiation

System allows X-ray firing when an inhibit condition (such as missing cassette or incorrect mode) is present

Ranked causes

  1. 1. Exposure inhibit safety circuit or interlock relay failure (unknown)
First check

Create exposure inhibit condition (e.g. remove cassette, change SID incorrectly)

Test point
Cassette position sensor, mode selector, SID interlock
Expected
Collimator indicates inhibit condition

1 more check with pass and fail actions are in ServiceForge. Connect ServiceForge to your AI

Collimator gain value out of limits after alignment

After performing detector alignment, test still fails and Maximum Collimator Gain Allowed needs to be set to enable test passage

Ranked causes

  1. 1. Actual collimator gain exceeds maximum allowed value for primary barrier coverage (occasional)
First check

Retrieve Max Collimator Gain Allowed from Test Data Results Report

Test point
Test Data Results Report
Expected
Maximum gain value for current detector and FOV configuration

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

Collimator has minimum 30 cm or 38 cm focal spot distance not maintained patient safety

Focal spot to patient distance falls below HHS minimum of 30 cm for radiography or 38 cm for fluoroscopy due to missing or detached spacer

Ranked causes

  1. 1. Skin spacer or handle extension missing or detached from collimator (occasional)
First check

Inspect collimator for attached skin spacer or handle extension

Test point
Collimator body, spacer attachment points
Expected
Spacer or extension is visibly attached and secure (if designed into collimator)

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

Coolant hoses require labeling and disconnection from conditioner caution

Hoses must be identified before disconnection to ensure correct reconnection during reassembly

Ranked causes

  1. 1. Need to identify outlet and inlet hoses for proper reassembly (common)
First check

Coolant hose outlet connection identified and labeled

Test point
Conditioner outlet hose connection
Expected
Hose labeled '1' with provided marker

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

Coolant replacement required caution

Table detector coolant conditioner requires removal and replacement

Ranked causes

  1. 1. Scheduled coolant maintenance or coolant degradation (unknown)
First check

Power off the system

Test point
Main power switch
Expected
System powered down

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

Coolant replacement required on table detector caution

Table conditioner coolant system requires maintenance or replacement per service schedule or kit availability

Ranked causes

  1. 1. Scheduled coolant maintenance or replacement (unknown)
First check

System is powered off before beginning procedure

Test point
Main power switch
Expected
Off position confirmed

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

Coolant reservoir refill after purging caution

System requires coolant refilling into the conditioner reservoir after table and detector purge procedures have been completed.

Ranked causes

  1. 1. Routine maintenance: coolant level depletion during purge procedure (common)
First check

Verify distilled water fully removed from system hoses and detector

Test point
System hoses and detector
Expected
No distilled water present

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

Coolant spill during refilling caution

Coolant spilled onto electronics in table during filling procedure

Ranked causes

  1. 1. Improper funnel placement or overfilling (occasional)

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

Coolant spill on electronics caution

Risk of coolant contacting electronic components during refill

Ranked causes

  1. 1. Improper funnel placement or overfilling during coolant addition (occasional)

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

Coolant system leak or contamination caution

Visible coolant dripping from conditioner or hoses during removal procedure; fluid appears discolored or cloudy

Ranked causes

  1. 1. Old or degraded coolant requires replacement (common)
First check

Inspect coolant hoses and connections for leaks

Test point
Hose connections and conditioner outlet
Expected
No active leaks or drips visible

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

Definium 8000 kVp output above calibration range radiation

K-edge measurement indicates kVp reading near or exceeding K-edge pack limit, rejected from calibration

Ranked causes

  1. 1. K-edge pack reading near upper limit of measurement range (occasional)

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

Fluoro collimator to image intensifier misalignment radiation

Visible area edges on monitor do not correspond to X-ray field edges; collimator opening exceeds minimum specification or alignment percentages out of tolerance.

Ranked causes

  1. 1. Collimator blades misaligned relative to image intensifier (unknown)
First check

Collimator minimum opening size

Test point
Collimator blades at minimum
Expected
less than 5 cm square

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

Image overlap test: Field size verification radiation

Verify calculated X-ray field size does not exceed receptor nominal dimensions when centers are misaligned

Ranked causes

  1. 1. Field size exceeds receptor dimensions or misalignment exceeds 2% of SID (rare)
First check

Compare measured center misalignment to 2% SID threshold

Test point
Form entry for center misalignment
Expected
Misalignment within 2% of SID

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

Light to X-Ray field misalignment radiation

X-ray field does not align with light field; misalignment in lateral or longitudinal directions

Ranked causes

  1. 1. Collimator misalignment requiring adjustment (unknown)
First check

Set beam angulation and select manual collimator mode

Test point
Collimator control panel
Expected
Manual mode selected; if remote table, may require AUTO then format selection then override/OBL mode

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

Measurement data verification radiation

Tests for Stenoscop performed simultaneously; results recorded on Form F3382SS data record chart.

Ranked causes

  1. 1. Simultaneous test execution for Stenoscop (common)
First check

Confirm all measurements recorded on Form F3382SS

Test point
Data record chart
Expected
All kVp and mAs values documented

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

Missing X-ray warning label patient safety

X-ray warning label not present on equipment

Ranked causes

  1. 1. Warning label missing or damaged (unknown)
First check

Verify X-ray warning label presence

Test point
Below the lock for rotational motion of the C arm
Expected
Warning label present and readable

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

Preventive maintenance: Chiller air filter cleaning

Clean chiller air filter to maintain cooling efficiency

Ranked causes

  1. 1. Air filter clogging reduces cooling efficiency (unknown)
First check

Inspect and clean air filter

Test point
Chiller air filter
Expected
Complete

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

Preventive maintenance: Chiller refill caution

Refill chiller fluid to specified level

Ranked causes

  1. 1. Low chiller fluid level (unknown)
First check

Verify chiller fluid level

Test point
Chiller reservoir
Expected
Complete

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

Preventive maintenance: Visual inspection

Complete visual inspection of system components per maintenance checklist

Ranked causes

  1. 1. Component wear or damage (unknown)
First check

Visual inspection of all listed components

Test point
Cabling, grease cup, screw, table, bearings, tracks, bumpers, hand grips
Expected
Complete

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

Probe saturation during beam quality measurements radiation

Incorrect low readings when probe ion collection efficiency drops below 95% during high-intensity short pulse exposures, especially during beam quality testing

Ranked causes

  1. 1. Peak field intensity exceeds probe intensity limit during short radiation pulses (common)
First check

Determine if exposure rate will exceed probe saturation limit

Test point
Probe type and exposure parameters
Expected
Peak exposure rate below probe maximum per Table 5-1 or 5-2

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

SID indicator accuracy out of tolerance radiation

Difference between indicated SID on operator scale and actual measured SID exceeds 2% (rejection limit 1.8%)

Ranked causes

  1. 1. Tube position indicator miscalibrated (unknown)
First check

Set tube to common SID and measure actual distance

Test point
focal spot locator decal to film plane
Expected
Actual distance matches operator indicator scale
Tools
pocket tape measure, Sears tape measure

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

Vascular collimator permits X-ray exposure at incorrect SID radiation

System allows exposure when SID is outside the correct or specified range, creating patient and operator safety hazard

Ranked causes

  1. 1. SID interlock switch or detector malfunction (common)
First check

Position collimator at incorrect SID and attempt to fire X-ray

Test point
SID position indicator, exposure enable circuit
Expected
Exposure is prevented; no X-ray output

1 more check with pass and fail actions are in ServiceForge. Connect ServiceForge to your AI

X-ray field exceeds image receptor on lateral or inner edges radiation

X-ray field boundary extends beyond image receptor on left, right, or inner wall edge

Ranked causes

  1. 1. X-ray collimator misalignment (unknown)

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

X-ray warning label missing or incorrect patient safety

Warning label not present on master control or does not bear required statement

Ranked causes

  1. 1. Warning label not installed or damaged (unknown)
First check

Verify X-ray warning label present on master control with correct statement

Test point
Master control panel
Expected
Label present bearing: 'WARNING: This x-ray unit may be dangerous to patient and operator unless safe exposure factors and operating instructions are observed'

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.