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4
V550-A20 Operation Manual
Section
4-
4
Basic Troubleshooting and Maintenance
Problem/Solution List
The following is a list of problems that could occur with your scan-
ning system. Listed below each event is a cause and solution.
Problem:
The Status LED turns red for and extended period of time
or it blinks.
Cause: The V550-A20 detects a failure.
Solution:
Call your Omron distributor.
Problem:
There is no laser beam exiting from the scanner when
power is supplied.
Cause: No power is applied to the V550-A20.
Solution:
Check to ensure power is plugged in and power is applied
to the interface connector.
Problem:
The V550-A20 is not reading bar codes.
Cause: Code type is not enabled or is the wrong code
length.
Solution:
Enable code type or correct code length.
(Refer to section 5-6 of the BCSETUP Programming
Manual.)
Problem:
V550-A20 has poor read rate.
Cause: V550-A20 window is dirty, label is not within
reading range, or label quality is poor.
Solution:
Clean V550-A20 window, check reading range or
label, or check code quality.
Problem:
V550-A20 has poor read rate in hardware trigger.
Cause: Trigger switch not adjusted, or it is misaligned.
Solution:
Adjust the triggering device.
Problem:
V550-A20 has poor read rate in serial or trigger.
Cause: Serial trigger is not timed properly with the arrival
of the bar code.
Solution:
Adjust the timing of your serial trigger so it turns on
before the bar code and turns off after the bar code.
Problem:
No communication to host.
Cause: Host communication to scanner does not match.
Solution:
Connect the V550-A20 to a PC and use BCSETUP to confirm
communications parameters.
Содержание V550-A20
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