Description
The CPU timer and the communication interruption timing are checked by the function safety board when performing the serial communication between ACP01 (main CPU board) and ASF01 board. This alarm occurs if the timing becomes off.
Subcode description
Causes and remedies
| Cause | Remedy |
|---|---|
| Cable (abnormal) | 1. Turn the power off and back on. 2. If the alarm recurs, check that the following cables and connectors are connected and fully inserted. • SDCA01 board-CN515 • AIF01 board-CN113 • CNBX connectors on the SDCA01 board and ASF01 board |
| ASF01 board (abnormal) | 1. Turn the power off and back on. 2. If the alarm recurs, replace the ASF01 board. Save CMOS.BIN before replacing the 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. |
| 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.). |