21 · FC 301/302 · WARNING/ALARM
For 21, model / series is FC 301/302; type is WARNING/ALARM; brand is Danfoss; fault name is Parameter error; corrective action is • Set the affected parameter to a valid value, verified against its source on 2026-10-10.
- Brand
- Danfoss
- Model / series
- FC 301/302
- Fault code
- 21 verified
- Fault name
- Parameter error verified
- Type
- WARNING/ALARM verified
- Cause
- The parameter is out of range. The parameter number is shown in the display. verified
- Corrective action
- • Set the affected parameter to a valid value. verified
What the source says
WARNING/ALARM 21, Parameter 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
The parameter is out of range. The parameter number is shown in the display.
Corrective action
• Set the affected parameter to a valid value.
— all from files.danfoss.com, retrieved 2026-09-01
Source
- files.danfoss.comhttps://files.danfoss.com/download/Drives/MG33MO22.pdf