ABB ACS380 Drive
2
Posts
1
Users
0
Reactions
4,017
Views
Dec 14, 2021 10:10 am
How can resolve problem 7301 Motor speed feedback Fault in ABB ACS380 Drive ?
1 Reply
Dec 14, 2021 10:11 am
Cause : No motor speed feedback received. Encoder speed differs too much from internal speed estimate.
Aux code 4 = Drift detected.
Aux code 3FC = Incorrect
motor feedback configuration.
Programmable fault:
90.45 Motor feedback fault
1. Check the parameter 90.41 setting and
the actual source selected.
2. Check electrical connection of the
encoder and pulse sin/cos nr.
