Description
The YRC1000 system checks the status of the power-ON (APU01 unit) contactors. This alarm occurs if there is an inconsistency between the control output and contactor status. Ex.)
- The signal from the contactor turned OFF while the servo was ON.
- The contactor turned ON while the servo was OFF for emergency stop.
Subcode description
Sub Code: Signifies the axis in
which the alarm occurred
Causes and remedies
| Cause | Remedy |
|---|---|
| APU01 unit (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, replace the APU01 unit. As a precaution, save CMOS.BIN before replacing the board. |
| Fuse (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, replace the fuse on the ASF01 board, then turn the power off and back on. |
| Cable (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, check that the following cables and connectors are connected and fully inserted. • ASF01 board-CN204 • APU01 unit-CN604 |
| ASF01 board (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, replace the ASF01 board. As a precaution, save CMOS.BIN before replacing the board. |
| SDCA01 board (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, replace the SDCA01 board. As a precaution, 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.). |