Olympus CLV-U20
Olympus · Model CLV-U20
300-Watt Xenon Light Source The CLV-U20 is a versatile xenon light source which can be combined with various systems. The light intensity for still photography is able to increase to 1.5 times the maximum viewing illumination, allowing for crisp, bright images. The CLV-U20 satisfies virtually all endoscopic requirements.
Key tips
- ·A failed leak test means the scope does not get reprocessed or used - send it for repair, full stop.
- ·A shortened reprocessing cycle is a real infection-control failure, not a minor deviation - follow AAMI ST91 exactly.
- ·Track light-source lamp-hours against the manufacturer's limit rather than running to failure.
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.
No or dim illumination / lamp fault
HighSymptoms: No light output, dim or flickering light, lamp-hours alarm, colour shift.
Root cause: Xenon / LED lamp at end of life, a lamp power supply fault, or a light-cable fault.
Poor video image
HighSymptoms: Noisy, dark, discoloured or out-of-focus image, dropouts, no image.
Root cause: Camera head / coupler fault, a camera-cable fault, or a CCU / video-processor fault.
White-balance / colour fault
MediumSymptoms: Cannot white-balance, persistent colour cast.
Root cause: Camera head sensor drift, a dirty coupler, or the light source colour temperature.
Overheating / fan fault
LowSymptoms: Thermal shutdown, loud fan, hot exhaust.
Root cause: Failed or clogged cooling fan.
Output / connector fault
LowSymptoms: Signal only on one output, connector damage, HD/SDI dropout.
Root cause: Worn video output connector or an output board fault.
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.
Xenon / LED lamp module
Class Frequent wear itemRel. cost $$$R&R Fairly easy
Camera head / coupler
Class Periodic replacementRel. cost $$$R&R Moderate
Camera cable
Class Periodic replacementRel. cost $$R&R Fairly easy
Fibre-optic light cable
Class Periodic replacementRel. cost $$R&R Easy
CCU / video-processor board
Class Major service partRel. cost $$$R&R Difficult
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Xenon / LED lamp module | Frequent wear item | $$$ | Fairly easy |
| Camera head / coupler | Periodic replacement | $$$ | Moderate |
| Camera cable | Periodic replacement | $$ | Fairly easy |
| Fibre-optic light cable | Periodic replacement | $$ | Easy |
| CCU / video-processor board | Major service part | $$$ | 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.
- ·Leak testing before each reprocessing cycle
- ·Scope reprocessing per AAMI ST91
- ·Light source lamp-hour tracking
- ·Annual full PM
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: No or low laser output
- Measure output at the delivery device with a laser power meter against the setting.
- Fit a known-good delivery fibre / handpiece / applicator.
- Confirm the cooling system runs and the coolant is at level and clean.
- Check the key switch, door interlock and footswitch are satisfied.
- Escalate a confirmed laser-module / lamp / diode-bar or driver fault to the OEM; recalibrate power after any module work.
Symptom: Cooling / thermal shutdown
- Confirm the cooling fans / pump run and the airflow is clear.
- Check the coolant level and replace the coolant filter.
- Let the unit cool and restart.
- Clean the air filters / vents.
- Monitor for recurrence during a treatment.
Symptom: Burn marks at the fibre / handpiece tip / intermittent output
- Inspect the delivery fibre / applicator and its connector for damage or contamination.
- Re-cleave or replace the fibre.
- Clean the output optics per the manual.
- Confirm the applicator is recognised by the console.
- Re-measure output with a power meter.
Symptom: Will not fire / key, interlock or footswitch error
- Confirm the key switch is on and the door / remote interlock loop is closed.
- Test the footswitch and its cable.
- Check the aiming beam is present.
- Clear any standby / safety timeout.
- Replace the footswitch or refer the interlock circuit.
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Endoscopy suite / GI lab
- Operating Room
- Bronchoscopy suite
Documents & Manuals
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