Safety circuit disconnected between servo board XX and MCXX. (for E0x series controllers)

Error handling: Motor power OFF.
Error reset: Possible.

Content: Poor safety circuit wiring connection between the servo board and power supply unit.

Main causes:

1. The harness between the servo board and the power supply unit has an open circuit or poor connection.

2. The power supply unit control board is faulty.

3. A problem with the servo board.

Countermeasures:

1. Check the harness condition between the servo board and power supply unit.

2. Replace the power supply unit control board.

3. Replace the servo board.

Reference: Select <Display 1> → → <Safety Circuit Monitor 2> on the teach pendant screen to check the safety circuit status. For details of safety circuit input monitoring, refer to the Operation Manual.