SEW 41 fault code meaning

Series: MOVITRAC 31C

FRS lag fault ®

AC drive

Meaning: Prog. (P553) | Polarity of the encoder not set correctly. Acceleration ramps too short. P-gain of the positioning controller too small Speed controller not set property. Value for lag error tolerance too small | Change polarity of encoder. Increase ramps. Increase P-gain. Select new parameters for speed controller. Increase lag error tolerance (P551). Check wiring of encoder, motor and mains phases. Check if mechanical system is sluggish or whether drive hit an obstacle.

Possible causes

Source: SEW MOVITRAC 31C Operating Instructions Fault signals P53