122 · FC 301/302 · WARNING/ALARM
For 122 · FC 301/302 · WARNING/ALARM, brand is Danfoss; model / series is FC 301/302; fault code is 122; fault name is Mot. rotat. unexp; type is WARNING/ALARM, verified against its source on 2026-09-01.
- Brand
- Danfoss
- Model / series
- FC 301/302
- Fault code
- 122 verified
- Fault name
- Mot. rotat. unexp. verified
- Type
- WARNING/ALARM verified
- Cause
- The frequency converter performs a function that requires the motor to be at standstill, for example DC hold for PM motors. verified
What the source says
WARNING/ALARM 122, Mot. rotat. unexp.
— files.danfoss.com, retrieved 2026-09-01
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Cause
The frequency converter performs a function that requires the motor to be at standstill, for example DC hold for PM motors.
— all from files.danfoss.com, retrieved 2026-09-01
Source
- files.danfoss.comhttps://files.danfoss.com/download/Drives/MG33MO22.pdf