Fujitsu Aircon Error Codes

Search any Fujitsu error code below. Each entry shows what the code means, how urgent it is, and what to do next — with notes specific to Singapore installations.

SAFETY WARNING

Stop using the unit and contact a technician if you notice burning or electrical smell, breaker tripping or repeated power cut, heavy ice buildup on the pipe or indoor unit, or loud metal banging from the outdoor unit.

Error Code Lookup

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Fujitsu Aircon Error Codes

Error Code Lookup

E:00 (or 00)Communication error between indoor unit and remote controller

E:01 (or 01)Communication error between indoor unit and outdoor unit

E:02 (or 02)Room temperature sensor open circuit - sensor missing or disconnected

E:03 (or 03)Room temperature sensor short circuit - sensor shorted

E:04 (or 04)Indoor unit pipe (heat exchanger) sensor open circuit

E:05 (or 05)Indoor unit pipe (heat exchanger) sensor short circuit

E:06 (or 06)Outdoor unit pipe sensor open circuit - outdoor heat exchanger sensor disconnected

E:07 (or 07)Outdoor unit pipe sensor short circuit

E:08 (or 08)Power source connection failure - phase or neutral wiring issue

E:09 (or 09)Float switch activated - condensate drain pan overflow

E:0A (or 0A)Outdoor unit ambient temperature sensor (air sensor) open circuit

E:0B (or 0B)Outdoor unit ambient temperature sensor short circuit

E:0C (or 0C)Compressor discharge temperature sensor open or short circuit

E:0F (or 0F)High compressor discharge temperature - exceeded safety limit

E:11 (or 11)Serial communication error between indoor and outdoor units (model mismatch)

E:12 (or 12)Indoor unit fan motor failure - fan stopped or speed abnormal

E:1A (or 1A)Compressor failure - compressor locked or unable to start

E:1B (or 1B)Outdoor unit fan failure - outdoor fan motor stopped or speed abnormal

E:1E (or 1E)Expansion (EEV) valve error - electronic expansion valve malfunction

E:2B (or 2B)Compressor temperature sensor error (compressor body thermistor fault)

E:2D (or 2D)Heat sink temperature sensor failure on outdoor inverter PCB

E:2E (or 2E)Inverter error - general inverter circuit failure

E:2F (or 2F)Low pressure error - refrigerant pressure too low detected