Allen Bradley PowerFlex 70, PowerFlex 700, PowerFlex 700L & PowerFlex 700S Drive
1
Posts
1
Users
0
Reactions
291
Views
Mar 12, 2024 5:42 am
Cause : HiHp Fan Fdbk Ls comes when Fan Feedback Loss - a fan feedback signal has been lost. This fault also comes when hardware issue in drive power card or control card.
1. Check the main cooling fan.
2. Check the Main Control Board cooling fan.
