[Power sequence board] Abnormal DC power supply (5V). (for E0x series controllers)

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

Description: The 5V power supplied from the control power supply AVR to the power sequence board is outside its rated value.

Main causes:

1. Incorrect voltage adjustment of the control power AVR.

2. A problem with the control power AVR.

3. A problem with the power sequence board.

Countermeasures:

1. Check the 5V voltage between the test pins on the power sequence board and adjust it to within 5.05 to 5.15V.

2. Replace the AVR.

3. Replace the power sequence board.