Omron CJ1W-PNT21 Operation Manuals page 169

7 Troubleshooting and Maintenance
Error category
CPU Unit Bus error
Exchange
Unit number duplication
CPU Unit faulty
I/O table not registered
CPU Unit service monitoring error
CPU Unit watchdog timer error
Additional Information
If Module Status is Red lit or flashing then refer to the displayed error code on the 7- segment
display for further information.
Unit Errors
 Startup Errors
Error log
(Hex)
--- During startup of the IO Con-
troller it encountered a problem
and can not continue.
IO Controller Functions
 PROFINET Configuration Set Invalid
Error log
(Hex)
0202 During startup of the IO Con-
troller encountered a problem
interpreting the PROFINET IO
Configuration file. This could
be because the Unit started for
the first time and does not con-
tain a configuration file yet.
Also the Configuration file
could be damaged.
7-4
Error
Likely cause Unit response
The Unit will stop pro-
cessing. There will be no
error logged in the error
log.
Likely cause Unit response
The Unit is started and is
capable to receive a
PROFINET Configura-
tion. It will not initiate
PROFINET IO Commu-
nication. Records the
error in the error log.
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
Indicators
MS NS
Flashing (red) OFF
Device Variable Flag
None of the bits are set.
Device Variable Flag
(IO Controller status 1)
*_ValidCfgSta will be
FALSE.
Error log (Hex)
7-segment
H0 000E
H1 ---
H6 ---
H7 ---
HE 0001
HF 0002
Correction
Restart the IO Controller.
Replace the IO Control-
ler if the error recurs.
Correction
Use CX-ConfiguratorFDT
to download a valid
PROFINET IO Configu-
ration in the IO Control-
ler. Replace the IO
Controller if the error
recurs.