
202B1262871D
Problem
Cause
Remedy
Bending section
cannot return to
neutral position.
1) The angle is locked.
2) The bending control mechanism is
malfunctioning.
1) Operate the left-right and up-down
angulation locks to unlock them.
2) Immediately stop using the ultrasonic
endoscope. Do not forcibly withdraw the
ultrasonic endoscope from the patient,
or it may cause damage to tissues in the
body cavity. Contact your local FUJIFILM
dealer.
The bending section
cannot bend by
turning the angulation
knob.
The angle wire is damaged.
Immediately stop using the ultrasonic
endoscope. Do not forcibly withdraw the
ultrasonic endoscope from the patient, or
it may cause damage to tissues in the body
cavity. Contact your local FUJIFILM dealer.
No ultrasonic image
is displayed.
1) The power cord of the cart, the monitor or
the observation device is not plugged in.
2) The power switch of the cart, the monitor
or the observation device is OFF.
3) The transducer at the distal end is in the air
(away from walls of the gastrointestinal
tract).
4) The ultrasonic processor is malfunctioning.
1) Plug in the devices.
2) Turn the power switches ON.
3) Increase the amount of water fed to
the balloon, or adjust the angle of the
transducer by operating it so that it
comes in close contact with the wall of
gastrointestinal tract.
4) If an ultrasonic image disappears during
a procedure, turn the ultrasonic processor
off and turn it on again after 5 seconds or
more. If the image is not recovered, turn the
ultrasonic processor off and then pull out
the ultrasonic endoscope slowly.
The ultrasonic image
is dark.
1) The gain level is close to the minimum
value.
2) The STC level is close to the minimum
value.
1) Rotate the gain knob clockwise to adjust the
brightness of the ultrasonic image.
2) Press the STC key to set the STC level
closer to the center value.
The highlight portion
in the ultrasonic
image is too bright.
1) The gain level is close to the maximum
value.
2) The STC level is close to the maximum
value.
1) Rotate the gain knob counterclockwise
to adjust the brightness of the ultrasonic
image.
2) Press the STC key to set the STC level
closer to the center value.
The image disappears
during ultrasonic
diagnosis.
The US connector is poorly connected.
Redo the scope connection.
“3.5 Connecting Ultrasonic Endoscope”
Chapter 5 Troubleshooting
91
EG580UR_E2-50_202B1262871D.indb 91
2016/07/04 16:07:08