Fujitsu General fault codes

What each code means, from Fujitsu General's own service literature, and which UK models it applies to.

Fujitsu General air conditioning

11Serial communication error (indoor ↔ outdoor)51 models 12Wired remote controller communication error72 models 18External communication error66 models 22Indoor unit capacity error106 models 23Combination error65 models 35MANUAL AUTO button error79 models 5UIndoor unit error139 models 32Indoor unit main PCB error53 models 41Room temperature sensor error51 models 42Indoor heat-exchanger sensor error51 models 51Indoor unit fan motor error51 models 62Outdoor unit main PCB error53 models 64PFC circuit error62 models 65IPM error95 models 84Current sensor error53 models 94Over current error53 models 95Compressor motor control error53 models 71Discharge thermistor error51 models 73Outdoor heat-exchanger liquid-outlet thermistor error51 models 74Outdoor temperature thermistor error51 models 97Outdoor unit fan motor error56 models 994-way valve error53 models A1Discharge temperature error56 models

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Other makes

Mitsubishi Ecodan Grant Aerona Vaillant aroTHERM Viessmann Vitocal LG Therma V Samsung EHS Panasonic Aquarea NIBE Bosch Compress Daikin Gree Midea Kaisai Haier Fujitsu Waterstage Toshiba Hitachi Worcester Greenstore