Wireless detectors · CXDI-801 Wireless family

Canon CXDI-801G/801C: troubleshooting and error codes

The ServiceForge knowledge base holds 17 documented symptoms for the Canon CXDI-801G/801C, with 53 ranked causes, 31 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

Signal strength level is 0 or unstable

Level 0 appears as signal strength display on GUI or signal strength level is not stable.

Ranked causes

1. X-ray imaging room not tightly sealed (occasional)
2. Distance between access point and detector too great (common)
3. Structure blocking communication between access point and detector (occasional)
4. Thermal therapy device, laser knife, or cordless phone near detector (occasional)
5. Interference from another wireless LAN device (occasional)
6. DR Wireless SYSTEM in adjacent rooms transferring images simultaneously (occasional)
7. Trouble with PCA-WM-DB board inside detector (rare)
8. Trouble with access point (rare)

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

System error displayed on GUI during CCS operation

Error message appears while Canon Control Software is running; may involve wireless communication, detector, or interface issues

Ranked causes

1. LED lighting status abnormal on detector (common)
2. LAN cable connection failure (common)
3. Incompatible or defective LAN cable type (occasional)
4. Detector cable connection failure (common)
5. Defective detector cable (occasional)
6. Defective AC/DC box (occasional)
7. Defective detector unit (rare)
8. Defective image capture computer (rare)

First check

Inspect detector LED lighting status

Test point: Detector LEDs
Expected: Normal illumination pattern (as per operational specification)

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

Infrared detector recognition fails, LEDs do not light

Detector was recognized by infrared communication but the three LEDs on the detector failed to light for about 1 second.

Ranked causes

1. Defective connection between image capture computer and ready indicator unit (unknown)
2. Problem in work environment (unit too close to monitor or in reflective signal environment) (unknown)
3. LNK Controller does not start up (unknown)
4. AP/LNK configuration tool improperly set (unknown)
5. Trouble with ready indicator unit or infrared data communication unit (unknown)
6. Trouble with FPC-UIF board inside detector (unknown)
7. Trouble with PCA-WM-DB board inside detector (unknown)

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

No X-ray exposure possible high voltage

X-ray generator does not respond to exposure commands; system unable to acquire radiographic images

Ranked causes

1. Wireless communication trouble prevents RX_REQ signal recognition (common)
2. Incorrect X-ray interface IP address setting (common)
3. Improper X-ray interface cable connection (common)
4. Defective PCA-XIF board in X-ray interface box (occasional)
5. X-ray exposure in non-generator-connection mode (rare)

First check

Verify X-ray interface IP address setting

Test point: AP/LNK configuration tool IP settings
Expected: IP address correctly configured

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

Performance test imaging fails radiation

Performance test mode 1 exposure shows errors or artifacts; entire detector surface not properly exposed to X-rays during calibration or test.

Ranked causes

1. Photo timer or mounting fixture captured in calibration image (occasional)
2. Grid attached during calibration or performance test (occasional)
3. Detector panel trouble or extraneous electrical noise (occasional)
4. PCA-FE2 board malfunction or detector cable fault (rare)

First check

Verify X-ray generator geometric alignment with detector

Test point: Calibration image field
Expected: Entire detector surface uniformly exposed without photo timer or mounting fixture visible

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

Abnormal image trouble occurred

Images display defects, artifacts, noise, or quality degradation; calibration and diagnostic imaging show abnormality

Ranked causes

1. Detector image acquisition defect (common)
2. Calibration data out of specification (common)
3. Defective detector (occasional)

First check

Run performance test and self-diagnosis imaging

Test point: Detector performance diagnostics
Expected: Tests pass, no defects detected

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

Error during calibration

Error or failure occurs during detector calibration procedure; may affect image quality and system accuracy

Ranked causes

1. X-ray tube exposure field misconfiguration (common)
2. Incorrect exposure dosage (common)
3. Defective detector (rare)

First check

Verify X-ray tube exposure field configuration

Test point: X-ray generator exposure field
Expected: Exposure field properly aligned and configured

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

Blue-green LED fails to light after infrared recognition

The three LEDs of the detector lit for about 1 second with infrared communication and detector was recognized, but blue-green LED failed to light afterward.

Ranked causes

1. Access point power not turned on (common)
2. Incorrect access point settings using AP/LNK configuration tool (common)

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

Firmware and FPGA updating takes excessive time with wireless

Wireless firmware or FPGA update process is significantly slower than expected or stalls; may indicate communication or power issue

Ranked causes

1. Wireless communication interference or dropout (common)
2. Insufficient battery charge (common)

First check

Verify detector battery charge level

Test point: Battery charge indicator
Expected: 100% full charge

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

Image artifact or noise in processed output

Vertical or horizontal lines, rectangular granularity, or other artifacts obscure portions of detector field in processed images; may appear as phantom image on film output.

Ranked causes

1. Extraneous objects captured in calibration (photo timer, wires, fixtures) (occasional)
2. Detector panel defect or abnormal pixels (rare)

First check

Process phantom image on high-resolution monitor and film

Test point: Processed image output
Expected: Artifacts visible consistently in both film and digital output; no artifacts visible if using conventional SF film baseline

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

Self-diagnosis offset correction error (Test E)

Test E offset correction test detects errors during self-diagnostic evaluation; indicates detector panel fault or environmental noise.

Ranked causes

1. Detector panel trouble or sensor defect (occasional)
2. Extraneous electrical noise from environment (occasional)

First check

Review self-diagnosis images for defective pixel distribution

Test point: Test E offset correction images
Expected: Uniform or randomly distributed defects consistent with normal sensor aging; no clustered anomalies

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 pattern error (Test B)

Test B test pattern inspection detects errors during self-diagnostic test; indicates image generation or data communication fault in detector.

Ranked causes

1. PCA-FE2 board not properly generating test image (common)
2. Image data communication channel fault (common)

First check

Run self-diagnosis Test A device check

Test point: Detector internal circuits
Expected: No errors detected in device check

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

Calibration: detector offset and correction radiation

Calibration procedure generates and updates sensor correction data to maintain normal characteristics and validate sensor performance against standards.

Ranked causes

1. Calibration required after system installation or photo timer adjustment (common)

First check

Verify system is operating normally after installation

Test point: System initialization and detector communication
Expected: All detector and control software functions operational; no error messages

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

Detector LEDs blink (two or three)

The two or three LEDs of the detector blink during operation.

Ranked causes

1. Weak wireless signal or communication interference (common)

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

Image transfer data takes time

It takes time to transfer the data of the images taken from the detector.

Ranked causes

1. Weak wireless signal or interference (common)

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

Line defect or pixel defect in images

Images show line artifacts, missing lines, or dead pixels; image quality degradation

Ranked causes

1. Detector requires DP file recalibration or replacement (unknown)

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

Preview image takes time to display

It takes time to display a preview image on the GUI.

Ranked causes

1. Weak wireless signal or interference (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.