Troubleshooting (Combination with EPX-4400 system)
If the Ultrasonic Endoscope should fail during use, follow these instructions to troubleshoot it.
Problem
Cause
Remedy
No images come out
1) The cart, monitor or processor is unplugged
from the main outlet.
2) The cart, monitor or processor is off.
Plug the cart, monitor or processor into the
main outlet.
Power on the cart, monitor or processor.
The image appears
dark
1) The connection with the scope and light
source is incomplete.
2) The light intensity level is set around MIN.
3) The metering mode is set at PEAK.
4) Blood and/or mucous membranes adhere to
the light guide.
Redo the scope connection.
5.4 “Connecting the Ultrasonic Endoscope”
Set the light intensity level around 0.
VP-4400, VP-4450HD
5.6 “Adjusting the Brightness”
Set the metering mode at AVE.
VP-4400 5.7 “Switching the Iris Modes”
VP-4450HD
“5.12 Switching the Metering Mode”
Remove the Ultrasonic Endoscope from the
patient, and then wipe off any adhered blood
and/or mucous membranes for reuse.
The highlight portion
of an image is too
bright.
1) The light intensity level is set around MAX.
2) The metering mode is set at AVE.
Set the light intensity level around 0.
VP-4400, VP-4450HD
5.6 “Adjusting the Brightness”
Set the metering mode at PEAK.
VP-4400 5.7 “Switching the Iris Modes”
VP-4450HD
“5.12 Switching the Metering Mode”
An image disappears
during examination.
1) The connection with the scope, processor
and light source is incomplete.
2) The system has malfunctioned due to such
as static charges.
3) The video signal cable has burnt out or
shorting.
Redo the scope connection.
5.4 “Connecting the Ultrasonic Endoscope”
Reset
[Note]
the processor and the light source.
If the image is still not displayed, turn the
processor and the light source off, and then
straighten the bending portion, and release the
angle lever. Pull out the Ultrasonic Endoscope
slowly. Submit the Ultrasonic Endoscope to
expert repairs.
A live image is not
displayed after image
freezing is cancelled
during examination.
The system has malfunctioned due to such as
static charges.
Reset
[Note]
the processor and the light source.
If the image is still not displayed, turn the
processor and the light source off, and then
straighten the bending portion, and release the
angle lever. Pull out the Ultrasonic Endoscope
slowly.
[Note] Reset:
To reset the processor and the light source, turn them off, and wait for at least 5 seconds. Turn on the processor
•
and the light source again, and then light the lamp by pressing the Lamp button.
To reset the ultrasonic processor, turn it off, and wait for at least 5 seconds. Turn on the ultrasonic processor
•
again.
Appendix-8
Appendix
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