OC1

Short circuit of motor cable

Lenze · SM29_05 Service Bulletin

What does OC1 mean?

A short circuit is detected in the motor cable, or excessive capacitive charging current is flowing. This can cause immediate damage to the drive's output stage or the motor itself.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    If caused by excessive capacitive charging current, use a motor cable which is shorter or has lower capacitance.

Source: Lenze SM29_05 Service Bulletin
Open Manual (Page 326)