Siemens Simodrive 6sn1123 Error Codes [upd] -

Because the 6SN1123 is legacy, new OEM units are rare (discontinued by Siemens in 2015). Your options:

A: Check the closed-loop controller (6SN1118). If the controller is in a "STOP" state, the pulses are locked. Also, check if the "Safe Stop" input has been triggered. siemens simodrive 6sn1123 error codes

The drive detected a phase-to-phase short or a ground leakage >100A. Common Causes: Because the 6SN1123 is legacy, new OEM units

Damaged motor cable insulation or a short circuit within the motor windings. Because the 6SN1123 is legacy