LS Industrial Systems GLOFA GM7U Series - 11.2.2 Flowchart for when the “ERROR” LED is flashing

Chapter 11. Troubleshooting
11-3
11.2.2 Flowchart for when the “ERROR” LED is flashing
The following flowchart explains corrective action procedure use when the power is supplied starts or the ERR LED is
flickering during operation.
Though CNF WAR appears, PLC system doesn’t stop but corrective action is needed promptly. If not, it may
cause the system failure.
ERR LED goes flashing.
No
CNF WAR error?
No
Check the error code, with connected
GMWIN.
Is ERR Led still
fla
s
hin
g
?
Write down the
Troubleshooting questionnaires and
contact the nearest service center.
See App-2 “System Warning
Flag” and remove the cause of
the error.
Complete
Yes
REMARK
Yes