Siemens A7454 fault code meaning

Series: V90

LR: No valid encoder for position value preprocessing

servo drive

Meaning: Message category: Parameter setting/configuration/commissioning error (18). The following problems occurred during actual position value processing: No encoder is assigned to actual position value processing. An encoder is assigned, but no encoder data set is assigned to it. An encoder and an encoder data set are assigned, but the encoder data set contains no encoder data or the data is invalid.

Possible causes

Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P391