
Trouble Shooting & Frequently Asked Questions
Image Display: Endoscope
Issue
Cause
Solution
Why do I have a poor image?
Endoscope not properly plugged into
the light source
Plug in endoscope till you hear a ‘click’
sound. For 180 series endoscopes,
ensure the video cable is inserted correct
way up
Moisture on the electrical contact pins
For 190 Wipe the electrical contacts on
the endoscope connector using clean lint-
free cloths moistened with 70% ethyl or
70% isopropyl alcohol and completely dry
them. After drying them, connect the
endoscope to the light source.
The electrical contacts on the
endoscope connector are dirty.
For 190 Wipe the electrical contacts on
the endoscope connector using clean lint-
free cloths moistened with 70% ethyl or
70% isopropyl alcohol and completely dry
them. After drying them, connect the
endoscope to the light source. Make sure
that there is proper image when you twist
the endoscope connector right and left.
Cannot White Balance
Check the following:
•
Lamp is on and not on ‘standby’
•
White balance cap present
•
White balance button held for
sufficient time to complete white
balancing
If endoscope has already been white
balanced it may not be necessary to
repeat. Considerations: brand new
endoscope, loan endoscope, endoscope
returned from repair
Suction
Issue
Cause
Solution
The suction function is absent or
insufficient.
The biopsy valve is not attached
properly
Attach it correctly. Close the valve’s cap
(for MB 358).
The biopsy valve is damaged.
Replace it with a new one.
The syringe is not inserted securely. If
needing to use syringe to flush the
channel during the procedure
Insert it securely.
The suction pump is not set properly.
Adjust the suction pump’s setting as
described in its instruction manual.
The suction valve is damaged.
Replace it with a new one.
Seed or debris in the suction valve
Remove Suction valve and clean
The suction valve is sticky.
The suction valve is dirty.
Replace it with a new one.
The suction valve is damaged.
Replace it with a new one.
The suction valve cannot be
attached.
The suction valve is damaged.
Replace it with a new one.
An incompatible suction valve is used.
Use a compatible suction valve.
Suction cannot be stopped.
The suction valve is damaged.
Replace it with a new one.