Fujitsu Mini Split Error Codes

26 codes · manual-verified where marked · draft entries clearly flagged

1 codes

Fujitsu 11.3 error code draft
Code 11.3 means the indoor/controller communication path to the outdoor unit is not exchanging data normally. …
Fujitsu 11.4 error code draft
Code 11.4 means the indoor/controller communication path to the outdoor unit is not exchanging data normally. …
Fujitsu 16.5 error code draft
Code 16.5 means the indoor/controller communication path to the outdoor unit is not exchanging data normally. …

Fujitsu 22.1 error code draft
Code 22.1 means the outdoor unit sees an indoor-unit match or connection pattern it is not allowed to run. Adv…
Fujitsu 23.1 error code draft
Code 23.1 means the outdoor unit sees an indoor-unit match or connection pattern it is not allowed to run. Adv…

Fujitsu 62.1 error code draft
Code 62.1 means the outdoor control-board memory/model data did not pass the outdoor unit's internal chec…
Fujitsu 62.3 error code draft
Code 62.3 means the outdoor control-board memory/model data did not pass the outdoor unit's internal chec…
Fujitsu 62.8 error code draft
Code 62.8 means the outdoor control-board memory/model data did not pass the outdoor unit's internal chec…
Fujitsu 63.1 error code
Fujitsu 63.1 (SW1 dot-decimal code, shown via the outdoor ERROR LED + MONITOR LEDs) means the outdoor inverter…
Fujitsu 65.3 error code draft
Code 65.3 means the outdoor inverter/IPM electronics did not pass the outdoor unit's internal check. Advi…

Fujitsu 71.1 error code draft
Code 71.1 means the outdoor unit cannot trust the discharge temperature sensor reading. That reading protects …
Fujitsu 72.1 error code draft
Code 72.1 means the outdoor unit cannot trust the compressor temperature sensor reading. That reading protects…
Fujitsu 73.2 error code draft
Code 73.2 means the outdoor unit cannot trust the heat exchanger middle temperature sensor reading. That readi…
Fujitsu 73.3 error code draft
Code 73.3 means the outdoor unit cannot trust the heat exchanger liquid temperature sensor reading. That readi…
Fujitsu 74.1 error code draft
Code 74.1 means the outdoor unit cannot trust the outdoor temperature sensor reading. That reading protects co…
Fujitsu 75.1 error code draft
Code 75.1 means the outdoor unit cannot trust the suction gas temperature sensor reading. That reading protect…
Fujitsu 76.2 error code draft
Code 76.2 means the outdoor unit cannot trust the valve sensor reading. That reading protects compressor, inve…

Fujitsu 84.1 error code draft
Code 84.1 means the outdoor unit cannot trust the heat sink temperature sensor reading. That reading protects …
Fujitsu 86.1 error code draft
Code 86.1 means the outdoor unit cannot trust the current sensor 1 reading. That reading protects compressor, …
Fujitsu 86.4 error code draft
Code 86.4 means the outdoor unit cannot trust the discharge pressure sensor reading. That reading protects com…

Fujitsu 94.1 error code draft
Code 94.1 means the outdoor unit detected an abnormal high-pressure or pressure-sensor condition and is protec…
Fujitsu 95.1 error code draft
Code 95.1 means the outdoor unit detected a protective trip. The code does not name a homeowner-serviceable pa…
Fujitsu 97.3 error code draft
Code 97.3 means the outdoor unit is not controlling the compressor motor normally. Repeated resets can stress …
Fujitsu 98.3 error code draft
Code 98.3 means the outdoor unit is not seeing the expected duty/feedback from one outdoor fan motor. Advisory…
Fujitsu 99.1 error code draft
Code 99.1 means the outdoor unit is not seeing the expected duty/feedback from one outdoor fan motor. Advisory…

Fujitsu H4 error code draft
H4 XLTH sibling design manuals where the extracted Section 14-3 table matches the KWAS manuals. Safe first che…