ABB ACS800 Drive
2
Posts
1
Users
0
Likes
556
Views
Dec 21, 2021 10:03 am
How can resolve problem FF74 BRAKE ACKN Warning in ABB ACS800 Drive ?
1 Reply
Dec 21, 2021 10:03 am
Cause : Unexpected state of brake acknowledge signal.
See parameter group 42 BRAKE CONTROL.
Check connection of brake acknowledgement
signal.
