05
Troubleshooting
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For Veterinary use only
If any of the following irregularities is observed, do not use the endoscope and solve the problem as described
in the following table.
If the problem is not included in this section or cannot be resolved by provided countermeasures, contact with
AOHUA.
Irregularity description
Solution
Unclear image or signal interference
Check if the voltage is stable and the lens surface is attached
with dirt.
Water drop or stripe observed
Contact AOHUA.
No or insufficient illumination
Check the built-in light source and the endoscope connector.
Insufficient angulation or angulation
failure
Check if the light fiber is broken.
Contact AOHUA.
Angulation lock failure
Contact AOHUA.
Instrument fails to access the
instrument channel
Check if there is foreign object in the instrument channel.
Insufficient air/water feeding or
air/water feeding failure
Check the connection between the endoscope connector and
imaging processor, water bottle assembly, air/water supply
connector; check the air pump.
Insufficient suction or suction failure
Check the suction pump, suction tube, suction connector and
instrument channel.
Needlelike protrusions, fractures or
dents observed on the surface of the
insertion tube.
Contact AOHUA.
Fractures observed on light guide
lens or objective lens
Contact AOHUA.
5.1 Troubleshooting
