[Power sequence board] Abnormal DC power supply (12V). (for E0x series controllers)

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

Content: The 12V supply from the control power AVR to the power sequence board is outside the rated value.

Main causes:

1. The control power supply AVR is faulty.

2. A problem with the power sequence board.

3. A ground fault or short circuit in the 12V power supply wiring.

4. The power regeneration unit is faulty (E03).

Countermeasures:

1. Replace the AVR.

2. Replace the power sequence board.

3. Check the 12V power supply wiring for a ground fault or short circuit.

4. Replace the power regeneration unit.