Reference Source

61 · FC 301/302 · WARNING/ALARM

For 61 · FC 301/302 · WARNING/ALARM, brand is Danfoss; model / series is FC 301/302; fault code is 61; fault name is Feedback error; type is WARNING/ALARM, verified against its source on 2026-09-01.

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
Sourcefiles.danfoss.com
Verified
Review by
DatasetIndustrial VFD fault and alarm codes by brand

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

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.