Siemens Micromaster 420 or MM420 Drive
2
Posts
1
Users
0
Likes
350
Views
Jun 09, 2022 5:42 am
A0571 alarm in siemens micromaster 420 or MM420 drive - comes when auto restart after fault present or start command comes after fault generate by drive.
1 Reply
Jun 09, 2022 5:43 am
Cause : Comes when auto restart after fault present or start command comes after fault generate by drive.
1. Remove start command from control card and then check fault.
