Siemens A31421 fault code meaning

Siemens / A31421

Series: DCM-6RA80

Encoder 1: Measured commutation position error (alarm

DC drive

Meaning: A fault was detected during actual value detection for the commutation position.

Possible causes

Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P1085

Series: G120-CU250S-2

Encoder 1: Coarse position error

converter

Meaning: A fault was detected during actual value acquisition. This fault indicates that actual value acquisition supplied an incorrect coarse position.

Possible causes

Source: SINAMICS G120, Control Unit CU250S-2 P1515