X-ray systems · CXDI family

Canon CXDI-501G: troubleshooting and error codes

The ServiceForge knowledge base holds 13 documented symptoms for the Canon CXDI-501G, with 19 ranked causes, 37 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

Performance test errors after calibration radiation

Performance test imaging shows errors despite successful prior calibration execution, detector surface exposure issues or compensation defects detected

Ranked causes

1. Detector surface not properly exposed to X-rays (common)
2. Geometric deviation of phototimer positions (occasional)
3. Defects not compensated correctly (occasional)

First check

Verify detector surface X-ray exposure uniformity

Test point: Entire detector surface
Expected: Full uniform exposure without shading

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

Calibration: Detector replacement radiation

Post-replacement verification and setup of newly installed detector unit

Ranked causes

1. Detector unit replaced during service (common)
2. Detector cycle mode configuration needed (occasional)

First check

Verify CXDI software starts normally

Test point: CXDI software launch
Expected: Software starts without errors

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

Calibration: Performance Test setup radiation

Establish baseline calibration and verify prerequisites before conducting performance test to evaluate detector properties

Ranked causes

1. Calibration not yet executed (common)
2. Phototimer adjustments performed since last calibration (occasional)

First check

Verify system operational status

Test point: System status display
Expected: System operating correctly since installation

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

Self-diagnosis Test B errors (test pattern inspection)

Self-diagnosis detects errors during test pattern check, indicating PCA-FE board or data communication path issues

Ranked causes

1. PCA-FE board failure or internal PCB malfunction (occasional)
2. Defective detector cable connection or damage (common)

First check

Verify test pattern image formation by PCA-FE board

Test point: Test B output images
Expected: Correct test pattern displayed without error codes

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

Self-diagnosis Test E errors (offset image inspection)

Self-diagnosis detects errors during offset compensation check, indicating detector panel trouble or extraneous noise affecting image data

Ranked causes

1. Detector panel defect or pixel defects (occasional)
2. Extraneous environmental noise interference (occasional)

First check

Examine offset compensation images for pixel defects

Test point: Test E offset images
Expected: No excessive pixel defects or uniformly acceptable defect distribution

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

Backward compatibility of old and new sensor cable parts

Old part Y67-3023-000 and new part Y67-3023-020 are compatible at time of assembly; requires different attachment procedures

Ranked causes

1. Part number specification change for backward compatibility (common)

First check

Verify part number on sensor cable assembly

Test point: Cable assembly label or documentation
Expected: Either Y67-3023-000 (old) or Y67-3023-020 (new)

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

Calibration: AC/DC power supply replacement high voltage

Post-replacement verification after installing new AC/DC power supply unit

Ranked causes

1. AC/DC power supply replaced during service (common)

First check

Verify CXDI software starts normally

Test point: CXDI software launch
Expected: Software starts without errors

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

Calibration: Detector cable replacement radiation

Post-replacement verification after installing new detector cable

Ranked causes

1. Detector cable replaced during service (common)

First check

Verify CXDI software starts normally

Test point: CXDI software launch
Expected: Software starts without errors

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

Calibration: PCA-FE board replacement radiation

Post-replacement configuration of PCA-FE circuit board in detector

Ranked causes

1. PCA-FE board replaced during service (common)

First check

Inspect board marking and DIP switch configuration

Test point: PCA-FE board BM7-0848 marking; SW1-8 DIP switches
Expected: Board marked BM7-0848; all DIP switch bits 1-8 OFF

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

Calibration: PCA-REF and PCA-LED board replacement radiation

Post-replacement verification after installing reference and LED circuit boards

Ranked causes

1. PCA-REF and PCA-LED boards replaced during service (common)

First check

Verify CXDI software starts normally

Test point: CXDI software launch
Expected: Software starts without errors

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

Calibration: Power box and PCA-XRAY board replacement high voltage

Post-replacement setup of power supply unit and X-ray control board

Ranked causes

1. Power box and PCA-XRAY board replaced during service (common)

First check

Inspect DIP switch settings on PCA-XRAY board

Test point: SW2 DIP switches bits 1-8
Expected: All bits 1-8 set to OFF

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

Sensor cable routing and attachment procedure change patient safety

Sensor cable S150-501 and SP700-501 bundling method changed from net tube to tape attachment inside detector; routing through sensor clamp plate with new cautions for GND line, electromagnetic absorption sheet, and tape securing

Ranked causes

1. Specification change in sensor cable bundling method (common)

First check

GND line passed before other conductors through clamp plate

Test point: Sensor clamp plate clamp part
Expected: GND line enters first

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

Sliding parts in grid frame unit handle deteriorate

Handle sliding parts wear prematurely, reducing durability during use

Ranked causes

1. Sliding parts not lubricated (common)

First check

Verify grease applied at specified handle locations

Test point: left and right handle sliding parts
Expected: light coating of NPC H-26 grease present

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.