Daikin Fault Codes | Air Conditioning Indoor Unit

A0
Exterior safety gadget activatedExterior safety gadget linked to the terminal strip
T1-T2 of indoor unit is activatedSkyAir, VRV, Package dealA1
Malfunction of indoor unit PCBFaulty indoor unit
PCB Exterior issue (noise and so on)RA, SkyAir, VRV, Warmth reclaim ventilator, ChillerA3
Drain Stage Management System
AbnormalityDrain clogging, upward slope, and so on
Faulty drain pump
Faulty float swap or brief circuit connectorRA, SkyAir, VRV, Warmth reclaim ventilator, Fan coilA4
Malfunction of freezing safetyScarcity of water quantity
Low water temperature setting
Faulty water temperature thermistorRA, SkyAir, VRV, Package deal, Chiller, Fan coilA5
Excessive strain management in heating,
freeze-up safety management in coolingClogged air filter of indoor unit and brief circuit
Defect of indoor unit warmth exchanger thermistorRA, SkyAir, VRV, Package dealA6
Malfunction of fan motorDamaged wires in, brief circuit of, or disconnection of
connectors from the fan motor harness
Faulty fan motor
Faulty indoor unit PCBRA, SkyAir, VRV, Package deal, Warmth reclaim ventilatorA7
Malfunction of swing flap motorFaulty swing flap motor
Faulty indoor unit PCB
Faulty connection cable
Faulty airflow course adjusting flap-camSkyAir, VRVA8
Malfunction of energy provide or AC enter overcurrentFaulty energy provide voltage
Faulty connection on sign line
Faulty wiringSkyAir, VRV, Warmth reclaim ventilatorA9
Malfunction of digital enlargement
valveFaulty digital enlargement valve coil
Faulty indoor unit PCB
Faulty relay cablesSkyAir, VRV, Package deal, Warmth reclaim ventilator. ChillerAA
Heater overheat26WH is activatedPackage deal, ChillerAF
Malfunction of humidifier systemHumidifier unit (optionally available accent) leaking
Faulty drain piping (upward slope, and so on.)
Faulty indoor unit PCBSkyAir, VRV, Warmth reclaim ventilatorAH
Malfunction of mud collector of air
cleanerDefect of mud amassing aspect
Stained insulator half
Defect of excessive voltage energy provide unit
Defect of indoor unit PCBRA, SkyAir, VRV, Fan coilAJ
Malfunction of capability setting
(Indoor unit PCB)The capability setting adaptor was not put in when
changing PCB
Faulty indoor unit PCBSkyAir, VRV, Package dealC1
Failure of transmission (between
indoor unit PCB and sub PCB)Faulty connection of the connector between indoor
unit PCBSkyAir, VRVC4
Malfunction of liquid pipe
thermistor for warmth exchangerFaulty thermistor for liquid pipe
Faulty indoor unit PCB
Faulty connector contactRA, SkyAir, VRV, Package deal, Warmth reclaim ventilator, Chiller, Fan coilC5
Malfunction of fuel pipe thermistor
for warmth exchangerFaulty thermistor for fuel pipe
Faulty indoor unit PCB
Faulty connector contactRA, VRV, Package deal, Warmth reclaim ventilator, ChillerC6
Malfunction of fan motor sensor or
fan management driverFaulty fan PCB
Faulty connection of capability setting adaptor
Discipline setting errorSkyAir, VRVC7
Entrance panel driving motor faultFaulty entrance panel driving motor
Faulty restrict swapRAC9
Malfunction of suction air
thermistorFaulty thermistor for suction air
Faulty indoor unit PCB
Faulty connector contactRA, SkyAir, VRV, Package deal, Warmth reclaim ventilator, Fan coilCA
Malfunction of discharge air
thermistorFaulty thermistor for discharge air
Faulty indoor unit PCB
Faulty connector contactRA, VRV, Package deal, Warmth reclaim ventilatorCC
Malfunction of humidity sensor
systemFaulty humidity sensor
Faulty connector contactRA, SkyAir, Package dealCJ
Room temperature thermistor in
distant controller abnormalityFaulty room temperature thermistor in distant controller
Faulty distant controller PCB
Exterior issue (Noise and so on.)RA, SkyAir, VRV, Package deal, Fan coil