![background image](http://html1.mh-extra.com/html/omron/cj1w-scu22/cj1w-scu22_operation-manual_742498307.webp)
9-29
9 Troubleshooting and Maintenance
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
9-4 Err
o
r L
ogs
9
9-4-3 Error Co
des an
d T
roub
lesh
ooting
0111 Hex
Command too long
No
Yes
No
No
No
0122 Hex
Service cannot be executed in current serial
communications mode and was discarded.
No
Yes
No
No
No
0107 Hex
There is no remote device.
No
Yes
No
No
No
Error
code
Troubleshooting
Serial communications mode
Protocol
Macro
Serial
Gateway
No-
protocol
Loop-
back Test
Modbus-
RTU
Slave