61 · FC 301/302 · WARNING/ALARM
For 61, model / series is FC 301/302; type is WARNING/ALARM; brand is Danfoss; fault name is Feedback error; cause is An error between calculated speed and speed measurement from feedback device, verified against its source on 2026-10-10.
- Brand
- Danfoss
- Model / series
- FC 301/302
- Fault code
- 61 verified
- Fault name
- Feedback error verified
- Type
- WARNING/ALARM verified
- Cause
- An error between calculated speed and speed measurement from feedback device. verified
- Corrective action
- • Check the settings for warning/alarm/disabling in parameter 4-30 Motor Feedback Loss Function. • Set the tolerable error in parameter 4-31 Motor Feedback Speed Error. • Set the tolerable feedback loss time in parameter 4-32 Motor Feedback Loss Timeout. verified
What the source says
WARNING/ALARM 61, Feedback error
— files.danfoss.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
An error between calculated speed and speed measurement from feedback device.
Corrective action
• Check the settings for warning/alarm/disabling in parameter 4-30 Motor Feedback Loss Function. • Set the tolerable error in parameter 4-31 Motor Feedback Speed Error. • Set the tolerable feedback loss time in parameter 4-32 Motor Feedback Loss Timeout.
— all from files.danfoss.com, retrieved 2026-09-01
Source
- files.danfoss.comhttps://files.danfoss.com/download/Drives/MG33MO22.pdf