Reference Source

84 · FC 301/302 · ALARM

For 84 · FC 301/302 · ALARM, brand is Danfoss; model / series is FC 301/302; fault code is 84; fault name is No safety option; type is ALARM, verified against its source on 2026-09-01.

Brand
Danfoss
Model / series
FC 301/302
Fault code
84 verified
Fault name
No safety option verified
Type
ALARM verified
Cause
The safety option was removed without applying a general reset. Reconnect the safety option. verified
Sourcefiles.danfoss.com
Verified
Review by
DatasetIndustrial VFD fault and alarm codes by brand

What the source says

ALARM 84, No safety option

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 safety option was removed without applying a general reset. Reconnect the safety option.

— all from files.danfoss.com, retrieved 2026-09-01

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.