Okuma Alarm-P 0815 PLC real-time task loop error
The real time task indicated by the character-string failed to end within the preset processing time.
AAAA-> Task name being processed when the loop error was detected.
BB-> Program module number being executed (hexadecimal)
XXXXXXXX-> Program counter value (hexadecimal) at the time of error detection
Probable Faulty Locations
– Level 2 or level 3 task in the PLC sequence program failed to end processing within the preset time.
– Timing error of synchronous signal
– Wrongly set synchronous signal frequency