Okuma Alarm-D 4054 ACP key-code data receipt error
An abnormality was detected in the operation panel key code data received by the ACP board.
Code
XX
XX:
bit 0 (fixed)
bit 1 (fixed)
bit 2 (fixed)
bit 3 (fixed)
bit 4 (fixed)
bit 5 Operation panel CPU error
bit 6 Initialize error
bit 7 Communication error
Probable Faulty Locations
Defective ACP board
Defective operation panel
Disconnection or imperfect connection of the cable between ACP board and operation panel