Olympus EVIS EXERA II Operation Manual page 70

Chapter 5 Troubleshooting
66
 Suction
Irregularity
description
The suction is
absent or
insufficient.
The suction valve
is sticky.
The suction valve
cannot be
attached.
Liquid leaks out of
the biopsy valve.
 Image quality or brightness
Irregularity
description
There is no video
image.
An image is not
clear.
An image is
excessively dark or
bright.
An image is
abnormal.
EVIS EXERA II TJF TYPE Q180V OPERATION MANUAL
Possible cause
The biopsy valve is not
attached properly.
The biopsy valve is
damaged.
The suction pump is not set
properly.
The suction valve is
damaged.
The suction valve is dirty.
The suction valve is
damaged.
The suction valve is
damaged.
An incompatible suction
valve is used.
The biopsy valve is
damaged.
The biopsy valve is not
attached properly.
Possible cause
Not all power switches are
ON.
The objective lens is dirty.
The light source is not set
properly.
An incompatible video
system center is being
used.
An incompatible light
source is being used.
Solution
Attach it correctly.
Replace it with a new one.
Adjust the suction pump's setting as
described in its instruction manual.
Replace it with a new one.
Remove the suction valve.
Reprocess the suction valve and
attach it again.
Replace it with a new one.
Replace it with a new one.
Use a compatible suction valve.
Replace it with a new one.
Attach it correctly.
Solution
Turn all power switches ON.
Feed water to remove mucus, etc.
Adjust the light source's setting as
described in its instruction manual.
Use a compatible video system
center.
Use a compatible light source.