Description
An error occurred during the SDCA01 board control check.
Subcode description
JL077 detected the ground-fault signal, but the converter did not issue a ground-fault notification.
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 3. If the alarm recurs, check the above cables for broken wires. |
| 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.). |