Description
The YRC1000 system performs serial communications between the SDCA01 board and the converter. This alarm occurs if there is an error in the serial communications.
Subcode description
Transmission buffer FULL (The
first digit shows the converter
No.)
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-CN507, CPS01 unit-CN154 • SDCA01 board-CN531, CN532, CN533 • Converter-CN557, CN561 • SDB (external axis servo unit)-CN591, 592 |
| Rectifier (abnormal) | 1. Turn the power off and back on. 2. If the alarm recurs, replace the converter. |
| SDCA01 board (abnormal) | 1. Turn the power off and back on. 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.). |