Canon CXDI-401G COMPACT
Canon · Model CXDI-401G COMPACT
High Resolution and High Sensitivity 125 micron pixel pitch, the performance of the Gadolinium Oxysulfide (GOS) scintillator helps deliver exceptional spatial resolution. 3 second exposure time allows these sensors to be used with tomography equipment and for other exams that may require these longer exposures. Immediate Results An on-screen preview image is available 3 seconds after exposure. Immediate viewing of high resolution images used in the control software is available on the control workstation (sold separately). CXDI Control Software NE Printers and Projectors Optimized workflow New CXDI control software NE enhances workflows, provides immediate results and supports extensive network options. Improved diagnostic quality 43cm x 42cm imaging area Gadolinium OxiSulfide Scintillator.
Key tips
- ·Never bypass a radiation interlock to "just get the image" - this is one of the few true zero-tolerance rules in BMET work.
- ·Trend image-quality phantom results over time - drift shows up before an outright failure does.
- ·Portable/mobile units take real physical abuse from transport - check wheel locks and cable strain reliefs more often than fixed units.
Typical Failure Modes
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
Detector not connecting / dropped images
HighSymptoms: Panel not detected, images not received, wireless / tethered link drops mid-exam.
Root cause: Detector battery (wireless), Wi-Fi / tether cable, a docking / connector fault, or detector electronics.
Image quality / calibration fault
MediumSymptoms: Fixed-pattern artefacts, non-uniformity, dead pixels / lines, calibration overdue or failing.
Root cause: Detector gain / offset calibration, a bad pixel map, or physical detector (drop) damage.
Generator / exposure fault
HighSymptoms: Exposure inhibited, kV / mAs error, no exposure captured, AEC over/under.
Root cause: HV generator, tube, filament supply, or an AEC / interface fault.
Positioner / tube-stand / bucky fault
MediumSymptoms: Tube column, wall stand or table bucky will not track, detent, or auto-position.
Root cause: Drive motor, brake, encoder, or the auto-positioning interface.
Acquisition workstation / PACS fault
MediumSymptoms: Images will not display, process or send; worklist missing; slow processing.
Root cause: Workstation PC, software, or the DICOM / network configuration.
Serviceable Parts & Consumables
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
Flat-panel detector (exchange)
Class Major service partRel. cost $$$$R&R Moderate
Detector battery (wireless)
Class Periodic replacementRel. cost $$R&R Easy
Tether cable / access point
Class Periodic replacementRel. cost $$R&R Fairly easy
Positioner drive / brake / encoder
Class Major service partRel. cost $$$R&R Difficult
Acquisition workstation PC
Class Major service partRel. cost $$$R&R Moderate
AEC ion chamber
Class Major service partRel. cost $$$R&R Difficult
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Flat-panel detector (exchange) | Major service part | $$$$ | Moderate |
| Detector battery (wireless) | Periodic replacement | $$ | Easy |
| Tether cable / access point | Periodic replacement | $$ | Fairly easy |
| Positioner drive / brake / encoder | Major service part | $$$ | Difficult |
| Acquisition workstation PC | Major service part | $$$ | Moderate |
| AEC ion chamber | Major service part | $$$ | Difficult |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Daily QC per modality: image-quality phantom test
- ·Tube and detector inspection
- ·Annual state-required radiation safety survey
- ·Vendor-scheduled preventive maintenance
Troubleshooting Approach
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Detector not connecting / images not received / link drops
- Check the detector battery charge (wireless) or reseat the tether.
- Confirm the Wi-Fi access point, channel and range.
- Reboot the detector and the acquisition workstation.
- Try a known-good detector if the site has one.
- Escalate a confirmed detector-electronics fault to the OEM.
Symptom: Fixed-pattern artefacts / non-uniformity / dead pixels or lines / failed calibration
- Run the detector gain / offset calibration and the dead-pixel map.
- Inspect the detector for drop / crush damage.
- Expose a uniform phantom and check uniformity.
- Confirm the generator and AEC are within spec with an X-ray analyser.
- Exchange the detector if calibration will not hold.
Symptom: No or inconsistent exposure / generator error / kV-mAs inaccuracy
- Note the exact generator error / fault code.
- Confirm the mains supply is within the generator's spec (line-voltage compensation).
- Check the HT cables and the exposure contactor.
- Confirm the tube is not in a thermal lockout.
- Escalate a confirmed inverter / HV-tank / tube / filament fault; verify output with an analyser after any repair.
Symptom: AEC (phototimer) images consistently over- or under-exposed
- Verify the AEC response with a phantom at two thicknesses.
- Check the AEC chamber connections and the selected chambers / density.
- Recalibrate the AEC per the service procedure.
- Compare against a manual technique.
- Replace the AEC chamber if it will not calibrate.
Symptom: Tube stand / table / wall bucky will not track, detent or auto-position
- Check the drive, brake, detents and counterbalance for that axis.
- Inspect the position encoder / potentiometer.
- Check the auto-positioning interface and cabling.
- Adjust or replace the brake / drive hardware.
- Confirm smooth motion and reliable detents / SID.
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Radiology / Imaging department
- Emergency Department (portable units)
- Operating Room (C-arms)
- Cath lab
- Bedside ICU (portable X-ray)
Documents & Manuals
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