[MCXX] PN voltage sensor communication error. (Servo board XX) (for E0x series controllers)

Error handling: Motor power OFF.
Error reset: Possible.

Content: A communication error was detected between the power supply unit control board (1VH) and the PN voltage sensor inside the power supply unit power board (1WU).

Main causes:

1. A problem with the power supply unit power board.

2. An open circuit in the signal line between the power supply unit power board and power supply unit control board.

3. A problem with the power supply unit control board.

Countermeasures:

1. Check the internal wiring between the power supply unit power board (X362) and power supply unit control board (X306) for open circuits, etc.

2. Replace the power supply unit.

3. Replace the power supply unit control board.