Omron CJ1W-DRM21 Operation Manual page 248

9 Troubleshooting and Maintenance
Indicators
MS NS 7-seg-
ment
Red - E9
(flashing)
*1 The 7-segment indicator will alternate between the Unit's node address and the code given in the tables in this section.
9-18
Error Error
category
*1
Memory Memory
access access
error
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Likely cause
An error occurred in the
Unit's non-volatile mem-
ory itself. This error will
occur in the following
cases.
Error1:
An error occurs reading
the identity information
during initialization.
Error2:
All error log records cannot
be used during initializa-
tion or registering an error
log record.
Error3:
An error occurs while read-
ing or writing the error log.
Error4:
An error occurs while read-
ing or writing the master
function enabling data or
the master scan list.
Error5:
An error occurs while read-
ing or writing the slave
function enabling data or
the slave scan list.
Error6:
An error occurs while read-
ing or writing the message
monitoring timer.
Error7:
An error occurs while read-
ing or writing the communi-
cations cycle time set
value.
Error8:
An error occurs while read-
ing the identity information
during Identity object
server processing.
Note This error does occur
for checksum errors
while reading data.
DeviceNet Unit
response
Registers an error record
with error code 0602 in the
RAM error log area.
For Error 1:
Normal operation contin-
ues.
For Error 2 or 3:
Remaining writes to
EEPROM are all ignored.
Other than that, normal
operation continues. (Error
records continue to be
written to RAM.)
For Error 4:
The master remote I/O
communications are
stopped. Other operations
continue.
For Error 5:
The slave scanning is
stopped and other opera-
tions continue.
For Error 6:
The default values are
used for the message
monitoring timer and oper-
ation continues.
For Error 7:
The communications cycle
time is set automatically
and operation continues.
For Error 8:
Operation continues.
Error
log
(Hex)
0602