79 · FC 301/302 · ALARM
For 79 · FC 301/302 · ALARM, brand is Danfoss; model / series is FC 301/302; fault code is 79; fault name is Illegal power section configuration; type is ALARM, verified against its source on 2026-09-01.
- Brand
- Danfoss
- Model / series
- FC 301/302
- Fault code
- 79 verified
- Fault name
- Illegal power section configuration verified
- Type
- ALARM verified
- Cause
- The scaling card has an incorrect part number or is not installed. The MK102 connector on the power card could not be installed. verified
What the source says
ALARM 79, Illegal power section configuration
— 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 scaling card has an incorrect part number or is not installed. The MK102 connector on the power card could not be installed.
— all from files.danfoss.com, retrieved 2026-09-01
Source
- files.danfoss.comhttps://files.danfoss.com/download/Drives/MG33MO22.pdf