20 · FC 301/302 · WARNING/ALARM
For 20 · FC 301/302 · WARNING/ALARM, brand is Danfoss; model / series is FC 301/302; fault code is 20; fault name is Temp. input error; type is WARNING/ALARM, verified against its source on 2026-09-01.
- Brand
- Danfoss
- Model / series
- FC 301/302
- Fault code
- 20 verified
- Fault name
- Temp. input error verified
- Type
- WARNING/ALARM verified
- Cause
- The temperature sensor is not connected. verified
What the source says
WARNING/ALARM 20, Temp. input error
— 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 temperature sensor is not connected.
— all from files.danfoss.com, retrieved 2026-09-01
Source
- files.danfoss.comhttps://files.danfoss.com/download/Drives/MG33MO22.pdf