Description
This alarm occurs if the converter temperature monitored by the YRC1000 system exceeds the specified value.
Subcode description
Subcode: physical number of the converter on which the alarm occurred.
Causes and remedies
| Cause | Remedy |
|---|---|
| Air inlet/outlet (abnormal) | Check that the air inlet and outlet are not blocked. |
| Ambient environment (temperature rise) | Check that the ambient temperature is no higher than 40 degrees C. |
| Primary power supply (abnormal) | Set the circuit breaker's primary voltage to the specified voltage 200V (+10% to 15%). |
| Rectifier (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, replace the converter. |
| 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.). |