Omron CJ1W-DRM21 Operation Manual page 242

9 Troubleshooting and Maintenance
Indicators
MS NS 7-seg-
ment
- OFF or E0
Red
(flash-
*2
ing)
*1 The 7-segment indicator will alternate between the Unit's node address and the code given in the tables in this section.
*2 The NS indicator will flash red if the error occurs during remote I/O communications, otherwise the indicator will be OFF.
9-12
Error Error
category
*1
Network Network
power sup-
ply error
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Likely cause
The communications
power supply is not being
supplied properly from the
network.
DeviceNet Unit
response
Records the error in the
error log.
As long as power is not
being supplied remote I/O
communications will
remain stopped and errors
will be returned in
response to requests for
message transmissions.
The indicator status, scan-
ning, and message pro-
cessing will return to
normal when the network
power supply is restored,
although scanning will not
resume if the DeviceNet
Unit is set to stop remote
I/O communications when
a communications error
occurs.
Error
log
(Hex)
0341