Siemens 602 fault code meaning

Siemens / 602

Series: SIMODRIVE 611U

Encoderless open-loop torque control operation is not permitted

servo drive

Meaning: In the IM mode, open-loop torque controlled operation was selected via an input terminal or via PROFIBUS-DP or the bus interface.

Possible causes

Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3