Forum

Share:
Notifications
Clear all

ALARM 8 in danfoss VLT FCM300

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

Cause : DC under voltage comes when the intermediate circuit voltage (DC) drops below the inverter lower voltage limit the FCM 300 will trip after 3 - 28 sec., depending on unit.

  • Check that the supply voltage matches the frequency converter voltage.
  • Perform an input voltage test.
Share: