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 physical
No. of contactor in which the
alarm occurred
Before performing a connection
check of the wiring, turn OFF
the controller power. Make sure
that all the LEDs of
SERVOPACK and converter are
OFF, then verify that no
electricity is charged using
equipment such as a tester. This
process may take a few minutes
after shutting off the power.
Causes and remedies
| Cause | Remedy |
|---|---|
| APU01 unit (abnormal) | 1. Reset the alarm. 2. Check that the following cables and connectors are connected and fully inserted. • ASF01 board-CN205 • APU01 unit-CN604 3. If the alarm recurs, replace the APU01 unit. As a precaution, save CMOS.BIN before replacing the board. |
| 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.). |