Reference Source

51 · FC 301/302 · ALARM

For 51 · FC 301/302 · ALARM, brand is Danfoss; model / series is FC 301/302; fault code is 51; fault name is AMA check Unom and Inom; type is ALARM, verified against its source on 2026-09-01.

Brand
Danfoss
Model / series
FC 301/302
Fault code
51 verified
Fault name
AMA check Unom and Inom verified
Type
ALARM verified
Cause
The settings for motor voltage, motor current, and motor power are wrong. verified
Corrective action
• Check the settings in parameters 1-20 to 1-25. verified
Sourcefiles.danfoss.com
Verified
Review by
DatasetIndustrial VFD fault and alarm codes by brand

What the source says

ALARM 51, AMA check Unom and Inom

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

The settings for motor voltage, motor current, and motor power are wrong.

Corrective action

• Check the settings in parameters 1-20 to 1-25.

— 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.