F3 · PowerFlex 40
For F3 · PowerFlex 40, brand is Allen-Bradley; model / series is PowerFlex 40; fault code is F3; fault name is Power Loss; cause is Excessive DC Bus voltage ripple, verified against its source on 2026-09-01.
- Brand
- Allen-Bradley
- Model / series
- PowerFlex 40
- Fault code
- F3 verified
- Fault name
- Power Loss verified
- Cause
- Excessive DC Bus voltage ripple. verified
- Corrective action
- 1. Monitor the incoming line for phase loss or line imbalance. 2. Check input line fuse. verified
Verified
Review by
What the source says
F3 Power Loss
— literature.rockwellautomation.com, retrieved 2026-09-01
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
Cause
Excessive DC Bus voltage ripple.
Corrective action
1. Monitor the incoming line for phase loss or line imbalance. 2. Check input line fuse.
— all from literature.rockwellautomation.com, retrieved 2026-09-01
Source
- literature.rockwellautomation.comhttps://literature.rockwellautomation.com/idc/groups/literature/documents/um/22b-um001_-en-e.pdf