Omron CPM2C Operation Manual page 146

Non-fatal Error Check
ERR/ALM indicator flashing.
Determine the cause of the error
with a Programming Device.
Yes
Is a non-fatal error
indicated?
No
Replace the CPU
Unit.
Section
Identify the error, eliminate its
cause, and clear the error.
Is the ERR/ALM
indicator flashing?
Not lit
End
5-5
Flashing