Applicable Systems
CJ/CS Series
Symptoms
ALARM/ERROR indicator flashes, PLC continues execution. Error code written to SR253.
Possible Causes
User-defined FAL instruction executed under ON condition.
Troubleshooting Steps
Check SR253 for error code number. Use FAL(06) with code 00 to clear SR253.
How to Reset
Execute FAL(06) with code 00
Source: Omron CP1H operation manual
Category: PLC & VFD