Description
This alarm occurs when a hardware error is detected in the ACP01 board and AIF01 board.
Subcode description
After control power was turned ON and before normal startup, a power-invalid signal for the control-power OFF signal was detected.
Causes and remedies
| Cause | Remedy |
|---|---|
| Operation (abnormal) | After the programming pendant displays the online screen, turn OFF the control power. |
| ACP01 board (abnormal) | 1. Turn the power off and back on. 2. If the alarm recurs, replace the ACP01 board. Save CMOS.BIN before replacing the board. After replacing the ACP01 board, remove the SD card from the original ACP01 board and insert it into the new ACP01 board. |
| AIF01 board (abnormal) | 1. Turn the power off and back on. 2. If the alarm recurs, replace the AIF01 board. Save CMOS.BIN before replacing the board. After replacing the AIF01 board, load CMOS.BIN saved before the alarm occurred. |
| APU unit (abnormal) | 1. Turn the power off and back on. 2. If the alarm recurs, replace the APU unit. Save CMOS.BIN before replacing the unit. |
| Other | If the alarm occurs again after implementing the countermeasures, contact our service department and describe the circumstances when CMOS.BIN was saved (operating procedure, etc.). |