[Main CPU board] Abnormal DC power supply. (XX mV) (for E0x series controllers)

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

Description: One of the power supply voltages, including those generated on the main CPU board, is abnormal.

Main causes:

1. The driver software installed on the 1VA board is an old version.

2. The main CPU board is faulty.

3. A problem with the AVR.

Countermeasures: Turn the controller power OFF and then ON again. If the error cannot be cleared:

1. Check the OS/driver software version. If it is old, update the OS/driver software.

2. Replace the main CPU board.

3. Replace the AVR.