165 · FC 301/302 · WARNING
For 165, model / series is FC 301/302; type is WARNING; brand is Danfoss; fault name is ATEX ETR freq.lim.warning; cause is The frequency converter is running for more than 50 s below the allowed minimum frequency (parameter 1-98 ATEX ETR interpol. points freq.), verified against its source on 2026-10-10.
- Brand
- Danfoss
- Model / series
- FC 301/302
- Fault code
- 165 verified
- Fault name
- ATEX ETR freq.lim.warning verified
- Type
- WARNING verified
- Cause
- The frequency converter is running for more than 50 s below the allowed minimum frequency (parameter 1-98 ATEX ETR interpol. points freq.). verified
What the source says
WARNING 165, ATEX ETR freq.lim.warning
— 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 is running for more than 50 s below the allowed minimum frequency (parameter 1-98 ATEX ETR interpol. points freq.).
— all from files.danfoss.com, retrieved 2026-09-01
Source
- files.danfoss.comhttps://files.danfoss.com/download/Drives/MG33MO22.pdf