Chapter 13 Troubleshooting
215
ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
Suction
Image quality or brightness
Irregularity
description
Possible cause Solution
The suction is
absent or
insufficient.
The biopsy valve is not
attached properly.
Attach it correctly.
The biopsy valve is
damaged.
Replace it with a new one.
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.
The suction valve
is sticky.
The suction valve is dirty. Remove the suction valve.
Reprocess the suction valve and
attach it again.
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 incorrect suction valve
is used.
Use a correct suction valve.
Liquid leaks out of
the biopsy valve.
The biopsy valve is
damaged.
Replace it with a new one.
The biopsy valve is not
attached properly.
Attach it correctly.
Irregularity
description
Possible cause Solution
An image is
abnormal.
An incompatible video
system center is being
used.
Use a compatible video system
center.
An incompatible light
source is being used.
Use a compatible light source.
There is no video
image.
Not all power switches are
ON.
Turn all power switches ON.
An image is not
clear.
The objective lens is dirty. Feed water to remove mucus, etc.
An image is
excessively dark or
bright.
The light source is not set
properly.
Adjust the light source’s setting as
described in its instruction manual.
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