Omron CJ1W-PNT21 Operation Manual page 131

Troubleshooting using the IO Controller indicators
Unit errors
Error category
Unit errors Startup errors
IO Controller PROFINET configuration set invalid
function
PROFINET Ethernet failure
Network errors
Bus hardware error
Memory access Special Unit error
errors
Memory access error
CPU Unit Backplane bus error
Exchange
Unit number duplication
CPU Unit faulty
I/O table not registered
CPU Unit service monitoring error
CPU Unit watchdog timer error
8-2-3-1 Unit errors
Startup errors
7-segment
1 to 6
/i
Error
Note If Module Status is Red lit or flashing then refer to the displayed error code on the 7-
segment display for further information.
/i
MS indicator
ON (red)
Likely cause
During startup of the IO Controller it encountered a problem and can not
continue
IO Controller Unit response
The Unit will stop processing. There will be no error logged in the errorlog.
CIO Area Flags allocated to the IO Controller Unit
None of the bits is set.
Correction
Restart the IO Controller. Replace the IO-Controller if the error recurs.
Indicators
7-segment MS
1 to 6 ON (red)
C7 ON (green) Flashing
E3 ON (red)
E5
-- Flashing
(green)
E9
H0 Flashing
(red)
H1
H6
H7
HE
HF
NS indicator
OFF
Section 8-2
Error log
(Hex)
NS
OFF --
0202
(red)
OFF 020C
0219
Flashing 0601
(red)
0602
OFF 000E
--
--
--
0001
0002
Error log (Hex)
--
117