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What could trigger an ObF2 error on ATV680 enclosed AFE drives?

Issue:

AFE bus unbalancing or ObF2 fault on the ATV680 Drives.

Product Line:

ATV680 and ATV980 enclosed drives with AFE

Environment:

All 680 and 980 AFE Drives only

Cause:

The Drives internal DC bus voltage is out of range from unsymmetric mains voltage or inoperative AFE Brick.

Resolution:

-Turn off stop and go feature and see if the drive powers up.

-Analysis mains voltage and DC bus voltage.

-Perform visual on the AFE brick (Requires Field Services onsite)

-Replace the AFE brick (Requires Field Services onsite)

Note to turn off stop and go feature from the HMI or keypad.

-Main menu

-My Preferences

-Stop and go

Set to NO

Released for: Schneider Electric Canada

Published on:2022-10-24Last Modified on:2026-02-20

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