X-ray systems

GE Healthcare Definium AMX 700: troubleshooting and error codes

The ServiceForge knowledge base holds 42 documented symptoms for the GE Healthcare Definium AMX 700, with 63 ranked causes, 85 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

No 12V output from voltage converters high voltage

12V tap from main converter shows very low or 0V voltage; may indicate current overload or converter failure

Ranked causes

1. Current overload on 12V outputs (common)
2. Converter over-temperature (occasional)
3. Input over-voltage condition (occasional)
4. Input under-voltage condition (occasional)
5. Converter failure (occasional)

First check

Measure voltage at debug connector pin 2 (12V tap from converter output)

Test point: Debug connector pin 2
Expected: 12V nominal
Tools: DMM

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

No 24V output from voltage converters high voltage

24V tap from main converter shows very low or 0V voltage; may indicate current overload or converter failure

Ranked causes

1. Current overload on 24V outputs (common)
2. Converter over-temperature (occasional)
3. Input over-voltage condition (occasional)
4. Input under-voltage condition (occasional)
5. Converter failure (occasional)

First check

Measure voltage at debug connector pin 1 (24V tap from converter output)

Test point: Debug connector pin 1
Expected: 24V nominal
Tools: DMM

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

Calibration: Detector vertical bar, bad pixels and gain radiation

Correct vertical bar artifacts, detect defective pixels, and calibrate gain coefficients for uniform detector response. Three-step procedure in sequence: vertical bar, bad pixel, then gain calibration.

Ranked causes

1. Vertical bar artifacts from temperature transient variation (common)
2. Defective pixels in detector (common)
3. Non-uniform pixel gain across detector (common)

First check

Execute vertical bar calibration step

Test point: Software calibration tool
Expected: On-screen instructions complete

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

Beetle interface board LED not illuminated caution

Beetle interface board shows no lights on

Ranked causes

1. Loss of power to Beetle interface board (common)
2. Serial or ribbon cables reversed (occasional)

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

Calibration: Monitor brightness and contrast (DTX)

Calibrate DTX monitor brightness and contrast using SMPTE test pattern with spot meter measurements. Brightness should display 95% white visible in 100% white, contrast should display 5% black visible in 0% black.

Ranked causes

1. Monitor brightness needs adjustment for ambient light conditions (common)
2. Monitor contrast needs adjustment (common)

First check

Verify X-ray tube in un-parked position and monitor powered on for 20 minutes minimum

Test point: X-ray tube, monitor
Expected: Tube un-parked, monitor on and stabilized

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

Calibration: Monitor brightness and contrast (GVISION)

Calibrate GVISION monitor brightness and contrast using SMPTE test pattern with spot meter measurements. Brightness and contrast ranges same as DTX monitor.

Ranked causes

1. Monitor brightness needs adjustment for ambient light conditions (common)
2. Monitor contrast needs adjustment (common)

First check

Verify X-ray tube in un-parked position and monitor powered on for 20 minutes minimum

Test point: X-ray tube, monitor
Expected: Tube un-parked, monitor on and stabilized

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

Calibration: PACS LUT functionality test

Verify PACS can select and apply different curve modes (Normal/Harder/Softer) and that CR-Fallback mode operates correctly when DX images are rejected

Ranked causes

1. PACS cannot select alternative curve modes (unknown)
2. CR-Fallback mode configured incorrectly when DX modality rejected (unknown)

First check

Verify Images #1, 4, 5 appear visually identical

Test point: PACS review workstation display of Images #1, 4, 5
Expected: All three images show identical appearance and band/square counts

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

Calibration: PACS monitor display quality verification

Verify PACS monitor calibration and ability to display correct number of gray-scale bands and intensity squares from test images

Ranked causes

1. PACS monitor not calibrated to DICOM standards (unknown)
2. SMPTE 5% and 95% intensity squares not equally visible (unknown)

First check

Verify PACS monitor DICOM calibration status

Test point: PACS monitor and calibration records
Expected: Monitor calibrated per DICOM standards

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

Mobile PC LED not illuminated caution

Mobile PC has no lights on; indicates power or connection issue

Ranked causes

1. Power switch not ON (common)
2. Loss of power or connection issue to Mobile PC (common)

First check

Verify Mobile PC power switch is ON

Test point: Mobile PC power switch
Expected: Switch in ON position

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

Monitor and touch screen not functioning caution

Monitor and/or touch screen has no power indicated by lack of LEDs

Ranked causes

1. Power switch not ON (common)
2. Loss of power to monitor (common)

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

No 12V at LCD display (LCD_12V) caution

12V feed to LCD shows no voltage despite green 12V LED illuminated and red LCD 12V LED on; likely circuit breaker trip

Ranked causes

1. Circuit breaker tripped due to LCD over-current (common)
2. LCD display short circuit or failure (common)

First check

Measure voltage at debug connector pin 5 (LCD_12V)

Test point: Debug connector pin 5
Expected: 12V
Tools: DMM

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

No 24V at Beetle Board (IF_24V) high voltage

24V feed to Beetle Board shows no voltage despite green 24V LED illuminated; likely circuit breaker trip

Ranked causes

1. Circuit breaker tripped due to over-current (common)
2. Beetle Board short circuit or excessive load (common)

First check

Measure voltage at debug connector pin 3 (IF_24V to Beetle Board)

Test point: Debug connector pin 3
Expected: 24V
Tools: DMM

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

No 24V at PC power supply (PC_24V) high voltage

24V feed to PC shows no voltage despite green 24V LED illuminated and red PC 24V LED on; likely circuit breaker trip

Ranked causes

1. Circuit breaker tripped due to PC over-current (common)
2. PC short circuit or power failure (common)

First check

Measure voltage at debug connector pin 4 (PC_24V)

Test point: Debug connector pin 4
Expected: 24V
Tools: DMM

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

USB cables not properly connected caution

USB cables may have improper connections or lack strain relief

Ranked causes

1. USB cable lacks strain relief (occasional)
2. USB cable connected to incorrect port (occasional)

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

Calibration: Detector calibration radiation

Periodic calibration of X-ray detector required as part of planned maintenance schedule

Ranked causes

1. Scheduled maintenance requirement at 12-month interval (common)

First check

Perform detector calibration

Test point: Detector assembly
Expected: Detector calibrated and functional

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

Calibration: Detector Vertical Bar radiation

Correct vertical bar artifacts due to temperature transient variation in detector response

Ranked causes

1. Temperature transient variation in detector (common)

First check

Launch Service Tools from application desktop

Test point: Desktop Service Tools icon
Expected: Service Tools window opens

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

Calibration: Digital Detector

Perform detector calibration as part of planned maintenance every 12 months

Ranked causes

1. Scheduled preventive maintenance (common)

First check

Inspect detector for damage

Test point: Detector surface, grid holder, tether
Expected: No sharp edges, no visible damage

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

Calibration: Hand Switch

Clean, disinfect, and perform visual/functional checks of hand switch every 12 months; replace every 3 years

Ranked causes

1. Scheduled preventive maintenance (common)

First check

Visual inspection of cord

Test point: Hand switch cord and RJ11 connector
Expected: No nicks, cuts, severe pinching, or exposed wires at connector

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

Calibration: Monitor

Perform monitor calibration and touch screen calibration as part of planned maintenance every 12 months

Ranked causes

1. Scheduled preventive maintenance (common)

First check

Clean monitor screen

Test point: Monitor display surface
Expected: Clean screen without streaks or residue

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

Calibration: Monitor calibration

Periodic calibration of display monitor required as part of planned maintenance schedule

Ranked causes

1. Scheduled maintenance requirement at 12-month interval (common)

First check

Perform monitor calibration

Test point: Display monitor
Expected: Monitor calibrated and image quality verified

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

Calibration: PACS VOI-LUT support verification

Determine if PACS system correctly supports Value-of-Interest Look-up-Table (VOI-LUT) for proper image display. Send test images with and without Burn-on-Send mode, compare visual appearance and DICOM headers on PACS review workstation.

Ranked causes

1. PACS does not support VOI-LUT or applies it incorrectly (unknown)

First check

Load PACS Test Images onto Definium AMX 700 system

Test point: Image Tools or DICOM-formatted CDROM
Expected: Patient Name: GE_PACS_Test_Image Definium, Patient ID: 2000002

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

Calibration: Printer

Execute printer calibration following on-screen instructions from the calibration tool.

Ranked causes

1. Printer output needs color and density calibration (unknown)

First check

Execute printer calibration tool

Test point: Printer calibration software
Expected: On-screen instructions appear and complete

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

Calibration: Test image all bands visibility verification

Verify ability to see all 5 intensity squares in top band of test images

Ranked causes

1. Monitor contrast insufficient to display all top-band squares (unknown)

First check

Verify all 5 squares visible in Image #6 top band

Test point: Image #6 left side top dark band squares
Expected: All 5 intensity squares distinctly visible in top band

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

Calibration: Touch screen

Execute touch screen calibration following on-screen instructions from the calibration tool.

Ranked causes

1. Touch screen coordinates need recalibration (unknown)

First check

Execute touch screen calibration tool

Test point: Touch screen calibration software
Expected: On-screen instructions appear and complete

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

Calibration: Touchscreen calibration

Periodic calibration of touchscreen interface required as part of planned maintenance schedule

Ranked causes

1. Scheduled maintenance requirement at 12-month interval (common)

First check

Perform touchscreen calibration

Test point: Touchscreen panel
Expected: Touchscreen calibrated and responsive

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

Clean Barcode Reader Window caution

Clean barcode reader window and housing as part of planned maintenance every 12 months

Ranked causes

1. Scheduled preventive maintenance or degraded reading performance (common)

First check

Inspect barcode reader window and housing

Test point: Scanner window and housing surface
Expected: No visible dirt, scratches, or damage

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

Clean Tech Switch and check cable connections caution

Inspect and clean tech switch as part of planned maintenance every 12 months

Ranked causes

1. Scheduled preventive maintenance (common)

First check

Inspect tech switch cable and connector

Test point: Cable, RJ11 connector, connection points
Expected: No visible wear, cuts, pinching, exposed wires, or damage

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

Complete system software load/upgrade patient safety

Re-install or upgrade system's complete software including operating system and application software on workstation PC

Ranked causes

1. Need to re-install or upgrade system software (unknown)

First check

Archive all protocols, patient files, and backup calibration and configuration data

Test point: System storage
Expected: All critical data backed up before installation begins

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

Detector power supply LED not illuminated caution

Detector power supply has no lights on; indicates power issue

Ranked causes

1. Loss of power to detector power supply (common)

First check

Observe detector power supply LEDs

Test point: Detector power supply front panel
Expected: LEDs illuminated

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

DVD drive malfunction caution

DVD drive has reported problems; tray may not function properly

Ranked causes

1. Manual closure of DVD drive tray (common)

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

Hospital network and detector ethernet cables reversed caution

Hospital network and detector ethernet connections may be reversed causing communication issues

Ranked causes

1. Hospital network and detector ethernet cables reversed (occasional)

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

Inspection: Cable ties and cable retention caution

Verify that all cable ties remain tight and secure, and that detector power supply cables and retention clips are properly seated

Ranked causes

1. Scheduled mechanical inspection at 12-month interval (common)

First check

Verify all cable ties are tight and secure

Test point: Cable ties throughout system
Expected: All cable ties tight and secure

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

Inspection: Detector, tether and grid condition caution

Visual inspection to identify damage, wear or deterioration of detector assembly and associated components

Ranked causes

1. Scheduled mechanical inspection at 12-month interval (common)

First check

Visual inspection of detector, tether and grid

Test point: Detector assembly, tether cable, grid
Expected: No visible damage, wear or deterioration

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

Inspection: Monitor condition and mounting caution

Visual inspection of monitor for damage or wear and verification of secure mounting to top cover

Ranked causes

1. Scheduled mechanical inspection at 12-month interval (common)

First check

Inspect monitor for damage or wear

Test point: Monitor assembly
Expected: No visible damage or wear

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

Inspection: PC mounting security caution

Verify that PC is still securely mounted and has not loosened during operation

Ranked causes

1. Scheduled mechanical inspection at 12-month interval (common)

First check

Verify PC is mounted securely

Test point: PC mounting bolts and fasteners
Expected: All mounting fasteners tight and secure

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

Inspection: PC shock mounts condition caution

Visual inspection to identify damage or wear on PC shock mount components

Ranked causes

1. Scheduled mechanical inspection at 12-month interval (common)

First check

Inspect PC shock mounts for damage or wear

Test point: PC shock mounts
Expected: Mounts intact and undamaged

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

Mobile power supply assembly LED not illuminated caution

Mobile power supply assembly shows no lights; indicates power issue

Ranked causes

1. Loss of power or connection to mobile power supply assembly (common)

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

No voltage after 2A fuse (12V converter input) high voltage

2A_FUSE_SCALED output shows 0V when proper input voltage is present; fuse is likely blown

Ranked causes

1. 2A fuse blown (common)

First check

Measure voltage at debug connector pin 6 (2AMP_FUSE_SCALED)

Test point: Debug connector pin 6
Expected: 9.8-12.3V, 9.8-12.3V
Tools: DMM

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

No voltage after 3A fuse (detector power supply output) high voltage

3A_FUSE_SCALED output shows 0V when proper input voltage is present; fuse is likely blown

Ranked causes

1. 3A fuse blown (common)

First check

Measure voltage at debug connector pin 7 (3AMP_FUSE_SCALED)

Test point: Debug connector pin 7
Expected: 9.8-12.3V, 9.8-12.3V
Tools: DMM

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

No voltage after 5A fuse (24V converter input) high voltage

5A_FUSE_SCALED output shows 0V when proper input voltage is present; fuse is likely blown

Ranked causes

1. 5A fuse blown (common)

First check

Measure voltage at debug connector pin 8 (5AMP_FUSE_SCALED)

Test point: Debug connector pin 8
Expected: 9.8-12.3V, 9.8-12.3V
Tools: DMM

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

TRAD detector LED not illuminated caution

TRAD detector has no lights on; indicates power or connection issue

Ranked causes

1. Loss of power to TRAD detector (common)

First check

Observe TRAD detector LEDs

Test point: TRAD detector front panel
Expected: LEDs illuminated

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

Workstation PC operating system corruption risk caution

Incorrect power cycling during software installation can corrupt Linux operating file system on workstation PC, requiring OS reload

Ranked causes

1. Power cycled at wrong time during software installation (common)

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.