[MCXX] MC control board brake power output abnormality. [ON state detected while output is OFF] (Servo board XX) (Code: XX) (for E0x series controllers)

Error handling: Motor power OFF.
Error reset: Not possible.

Content: An abnormality was detected in the brake power output section of the power supply unit control board (1VH) while brake power output was OFF.

Main causes:

1. The power supply unit control board is faulty.

2. A problem with the motor brake 24V power output system from the power supply unit.

Countermeasures:

1. Replace the power supply unit control board.

2. Check the motor brake 24V power output system from the power supply unit for abnormalities (short circuits, open circuits, etc.).