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Chapter 13 Troubleshooting
ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
Endoscope functions
Angulation
Air/water feeding
Irregularity
description
Possible cause Solution
Resistance is
encountered when
rotating angulation
control knob(s).
The angulation lock(s) is
engaged.
Rotate angulation lock(s) in the
“F ” direction.
Irregularity
description
Possible cause Solution
No air feeding. The air pump is not
operating.
Press the “LOW”, “MED”, “HIGH”
button on the light source as
described in the light source’s
instruction manual.
The air/water valve is
damaged.
After withdrawing the distal end of
the endoscope from the patient,
replace it with a new one.
No water feeding. The air pump is not
operating.
Press the “LOW”, “MED”, “HIGH”
button on the light source as
described in the light source’s
instruction manual.
There is no sterile water in
the water container.
Add sterile water to fill the container
to the specified water level.
The air/water valve is
damaged.
After withdrawing the distal end of
the endoscope from the patient,
replace it with a new one.
The air/water valve
is sticky.
The air/water valve is dirty. Remove the air/water valve.
Reprocess the air/water valve and
then attach it again.
The air/water valve is
damaged.
After withdrawing the distal end of
the endoscope from the patient,
replace it with a new one.
The air/water valve
cannot be
attached.
An incorrect air/water valve
is used.
Use a correct air/water valve.
The air/water valve is
damaged.
After withdrawing the distal end of
the endoscope from the patient,
replace it with a new one.
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