Omron SYSMAC CPM1 Operation Manual page 116

Troubleshooting Flowcharts
Memory Error Check
Memory error occurred.
AR 1309 ON?
No
AR 1314 ON?
No
AR 1308 ON?
AR 1310 to
AR 1312 ON?
End
100
Yes Replace the CPU
Unit.
Yes
Check/correct data backed up by
capacitor and clear error.
Check the program, correct any
Yes
errors, and clear the error.
No
No
Yes
Turned ON during
No
Yes
startup?
No
Section 5-6
Check the error indicated by
the flag that is ON, correct set-
tings as required, and write
data to the flash memory.
Check the external
environment.