Omron trajexia CJ1W-MCH72 User Manual

Troubleshooting Errors Section 6-3
350
6-3 Troubleshooting Errors
6-3-1 Initial Hardware Test Error
/i
6-3-2 Error Log Access Error
/i
6-3-3 PLC Watchdog Timeout Error
/i
6-3-4 Communication Error Between the PLC CPU unit and the CJ1W-
MCH72 unit
/i
6-3-5 Other CPU Error
/i
Problem Solution
FLASH error, RAM error, CPU error,
System software error during initialization.
Turn off the PLC system and then turn it
back on. If the error persist, replace the
CJ1W-MCH72 unit.
Problem Solution
Error log has been detected to be corrupt
or error log cannot be written.
Turn off the PLC system and then turn it
back on. If the error persist, replace the
CJ1W-MCH72 unit.
Problem Solution
PLC CPU stalled, not servicing watchdog
timer.
Turn off the PLC system and then turn it
back on. If the error persist, replace the
PLC CPU unit.
Problem Solution
The communication on the backplane of
the PLC system has not been refreshed in
a timely manner, backplane
communication signal failure.
Turn off the PLC system and then turn it
back on.
Additional actions to take:
When this error happens during operation, a user can take any additional action if
necessary in BASIC program. The occurrence of this error during operation can be
checked by reading bit 0 of the value returned by the PLC_STATUS(0) BASIC
command and value returned by the PLC_STATUS(1) BASIC command (see section
4-2-185 for more details on PLC_STATUS BASIC command).
Problem Solution
Other error occurred in the units CPU. Turn off the PLC system and then turn it
back on. If the error persist, replace the
CJ1W-MCH72 unit.

Omron trajexia CJ1W-MCH72 Specifications

General

Brand	Omron
Model	trajexia CJ1W-MCH72
Category	Controller
Language	English