Forum

Share:
Notifications
Clear all

A4A1 warning in ABB ACS180 drive

1 Posts
1 Users
0 Reactions
136 Views
Posts: 18454
Admin
Topic starter
(@click2electro)
Member
Joined: 4 years ago

Cause : IGBT overtemperature - comes when estimated drive IGBT temperature is excessive or IGBT temperature sensor faulty.

  1. Check ambient conditions.
  2. Check air flow and fan operation.
  3. Check heatsink fins for dust pick-up.
  4. Check motor power against drive power.
Share: