Daikin Fault Codes | Air Conditioning Indoor Unit

A0
Exterior safety gadget activated Exterior safety gadget linked to the terminal strip
T1-T2 of indoor unit is activated SkyAir, VRV, Package deal A1
Malfunction of indoor unit PCB Faulty indoor unit
PCB Exterior issue (noise and so on) RA, SkyAir, VRV, Warmth reclaim ventilator, Chiller A3
Drain Stage Management System
Abnormality Drain clogging, upward slope, and so on
Faulty drain pump
Faulty float swap or brief circuit connector RA, SkyAir, VRV, Warmth reclaim ventilator, Fan coil A4
Malfunction of freezing safety Scarcity of water quantity
Low water temperature setting
Faulty water temperature thermistor RA, SkyAir, VRV, Package deal, Chiller, Fan coil A5
Excessive strain management in heating,
freeze-up safety management in cooling Clogged air filter of indoor unit and brief circuit
Defect of indoor unit warmth exchanger thermistor RA, SkyAir, VRV, Package deal A6
Malfunction of fan motor Damaged wires in, brief circuit of, or disconnection of
connectors from the fan motor harness
Faulty fan motor
Faulty indoor unit PCB RA, SkyAir, VRV, Package deal, Warmth reclaim ventilator A7
Malfunction of swing flap motor Faulty swing flap motor
Faulty indoor unit PCB
Faulty connection cable
Faulty airflow course adjusting flap-cam SkyAir, VRV A8
Malfunction of energy provide or AC enter overcurrent Faulty energy provide voltage
Faulty connection on sign line
Faulty wiring SkyAir, VRV, Warmth reclaim ventilator A9
Malfunction of digital enlargement
valve Faulty digital enlargement valve coil
Faulty indoor unit PCB
Faulty relay cables SkyAir, VRV, Package deal, Warmth reclaim ventilator. Chiller AA
Heater overheat 26WH is activated Package deal, Chiller AF
Malfunction of humidifier system Humidifier unit (optionally available accent) leaking
Faulty drain piping (upward slope, and so on.)
Faulty indoor unit PCB SkyAir, VRV, Warmth reclaim ventilator AH
Malfunction of mud collector of air
cleaner Defect of mud amassing aspect
Stained insulator half
Defect of excessive voltage energy provide unit
Defect of indoor unit PCB RA, SkyAir, VRV, Fan coil AJ
Malfunction of capability setting
(Indoor unit PCB) The capability setting adaptor was not put in when
changing PCB
Faulty indoor unit PCB SkyAir, VRV, Package deal C1
Failure of transmission (between
indoor unit PCB and sub PCB) Faulty connection of the connector between indoor
unit PCB SkyAir, VRV C4
Malfunction of liquid pipe
thermistor for warmth exchanger Faulty thermistor for liquid pipe
Faulty indoor unit PCB
Faulty connector contact RA, SkyAir, VRV, Package deal, Warmth reclaim ventilator, Chiller, Fan coil C5
Malfunction of fuel pipe thermistor
for warmth exchanger Faulty thermistor for fuel pipe
Faulty indoor unit PCB
Faulty connector contact RA, VRV, Package deal, Warmth reclaim ventilator, Chiller C6
Malfunction of fan motor sensor or
fan management driver Faulty fan PCB
Faulty connection of capability setting adaptor
Discipline setting error SkyAir, VRV C7
Entrance panel driving motor fault Faulty entrance panel driving motor
Faulty restrict swap RA C9
Malfunction of suction air
thermistor Faulty thermistor for suction air
Faulty indoor unit PCB
Faulty connector contact RA, SkyAir, VRV, Package deal, Warmth reclaim ventilator, Fan coil CA
Malfunction of discharge air
thermistor Faulty thermistor for discharge air
Faulty indoor unit PCB
Faulty connector contact RA, VRV, Package deal, Warmth reclaim ventilator CC
Malfunction of humidity sensor
system Faulty humidity sensor
Faulty connector contact RA, SkyAir, Package deal CJ
Room temperature thermistor in
distant controller abnormality Faulty room temperature thermistor in distant controller
Faulty distant controller PCB
Exterior issue (Noise and so on.) RA, SkyAir, VRV, Package deal, Fan coil