Daikin Error Codes 

Total Air Conditioning 

Daikin air conditioning Perth | Sales, Installation, Service and Repairs 7 Days

For the best service and price contact the Total Team today.

Free onsite quotes for all new installations.

For faults or diagnostics call our office on 9443 1288


Your Local Perth Daikin Repair Technicians  


Is your Daikin Air Conditioner showing an error code?.

If your Daikin air conditioning system is showing an error code then air conditioning Perth can assist. With qualified refrigeration and air conditioning technicians servicing all Perth metro, we are ready to get your Daikin air conditioner repaired and working efficiently, fast, and at a reasonable price.

You can look at the error codes below.

daikin service and repairs perth

Daikin Lite Series Split Systems.


Daikin error code repairs 

daikin airconditioning

Indoor Unit


Daikin Split System  Repairs in Perth

Outdoor unit error codes!

Daikin Error Code Error Message Cause of Error - Problem and likely repair needed
E0 Protection devices activated (unifi ed) Protection device connected to outdoor unit PCB actuated Defective protection device connector contact
E1 Defective outdoor unit PCB Defective outdoor unit PCB
Defective connection of inside/ outside relay wires
E3 Actuation of high pressure switch (HPS) Dirty outdoor unit heat exchanger
Defective high pressure switch
Clogged refrigerant piping
Defective connector contact
E3 System No.1 Dirty outdoor unit heat exchanger
Actuation of high pressure switch Shortage of water volume
(HPS) Clogged refrigerant piping
Defective connector contact
Defective HPS
E4 Actuation of low pressure switch (LPS) Abnormally drop in low pressure
Defective low pressure sensor
Defective outdoor unit PCB
Defective connector contact
E5 Inverter compressor motor or overheat Inverter compressor lock
High differential pressure
Defective inverter PCB
UVW connection error
Defective connector contact
E6 STD compressor motor overcurrent/lock Defective compressor
Defective control PCB
The stop valve is not opened
E6 System No.1 Compressor overcurrent Defective electronic expansion valve
Shortage of refrigerant amount
Defective compressor
E7 Malfunction of outdoor unit fan motor system Fan motor failure
Neglect to connect or defective connection of harness/ connector between the fan motor and the PCB
Fan does not rotate due to foreign matters caught in it
E8 Overcurrent of inverter compressor Defective compressor
Defective inverter main circuit capacitor
Defect of outdoor unit PCB
Defect of power transistor
E9 Malfunction of electronic expansion valve coil Disconnection of connectors from electronic expansion valves
Defective electronic expansion valve coil
Defective outdoor unit control PCB
EA Malfunction of four way valve or cool/heat switchin Defective four way valve
Shortage of gas
Defective outdoor unit PCB
Defective thermistor
EC Malfunction of entering water temperature Cooling water temperature abnormality
Defective outdoor unit PCB Defective thermistor
F3 Malfunction of discharge pipe temperature Defective discharge pipe thermistor
Abnormal discharge pipe temperature
Defective outdoor unit control PCB
Defective connector contact
F6 Abnormal high pressure or refrigerant overcharged Refrigerant overcharged
Disconnection of heat exchanger deicer thermistor
Disconnection of outdoor air thermistor
Disconnection of liquid pipe temperature thermistor
Defective outdoor unit PCB
H0 Malfunction of sensor system of compressor Harness is disconnected, or defective connection Defective PCB
H1 Malfunction of room temperature sensor or humidifi er unit damper Defective limit switch Defective damper
H3 Malfunction of high pressure switch (HPS) Defective high pressure switch Broken wire
Defective outdoor unit PCB
Defective connector contact
H4 Malfunction of low pressure switch (LPS) Defective low pressure switch
Broken wire
Defective outdoor unit PCB
Defective connector contact
H5 Malfunction of compressor motor overload thermistor Defect of compressor motor overload thermistor Defective connector contact
H6 Malfunction of position detection sensor Faulty contact of compress or cable
Defective compressor
Defective outdoor unit PCB
H7 Malfunction of outdoor unit fan motor signal Abnormal signal from fan motor (Circuit failure) Disconnection/Short circuit in fan motor leads or disconnection of connector Defective inverter PCB
H8 Malfunction of compressor input (CT) system Defective power transistor
Defective reactor
Faulty wiring of inverter system
Defective outdoor unit PCB
H9 Malfunction of outdoor air thermistor Defective connection of thermistor
Defective outdoor unit PCB
Defective outdoor air thermistor
HC Malfunction of (hot) water temperature thermistor Defective connection of thermistor
Defective outdoor unit PCB
Defective water temperature thermistor
HF Alarm in thermal storage unit or storage controller Thermal storage group defective wiring
Defective setting
Excess of thermal storage tank numbers
HJ Malfunction of thermal storage tank water level Low water level
Defective switch setting
Water level detecting sensor failure
Defective connector contact
J1 Malfunction of pressure sensor Defective pressure sensor connector contact
Defective pressure sensor
Defective outdoor unit PCB
J2 Malfunction of current sensor of compressor Defective current sensor
Defective compressor
Defective outdoor unit PCB
J3 Malfunction of discharge pipe thermistor Defective connection of thermistor
Defective discharge pipe thermistor
Defective outdoor unit PCB
J4 Malfunction of low pressure equivalent saturated temperature sensor system Defective connection of thermistor
Defective thermistor
Defective outdoor unit PCB
J5 Malfunction of suction pipe thermistor Defective connection of thermistor
Defective suction pipe thermistor
Defective outdoor unit PCB
J6 Malfunction of heat exchanger thermistor Defective connection of thermistor
Defective heat exchanger thermistor
Defective outdoor unit PCB
J7 Malfunction of thermistor (Refrigerant circuit) Defective connection of thermistor
Defective liquid pipe thermistor
Defective outdoor unit PCB
J8 Malfunction of thermistor (Refrigerant circuit) Defective connection of thermistor
Defective liquid pipe thermistor
Defective outdoor unit PCB
J9 Malfunction of thermistor (Refrigerant circuit) Defective connection of thermistor
Defective gas pipe thermistor
Defective outdoor unit PCB
JA Malfunction of high pressure sensor Defective connector contact
Connection of low pressure sensor in mistake for high pressure sensor
Defective high pressure sensor
Defective outdoor unit PCB
JC Malfunction of low pressure sensor Defective connector contact
Connection of high pressure sensor in mistake for low pressure sensor
Defective low pressure sensor
Defective outdoor unit PCB
JE Malfunction of oil pressure sensor or sub-tank thermistor Defective connector contact
Defective sub-tank thermistor
Defective outdoor unit PCB
JF Malfunction of oil level sensor or heating heat exchanger thermistor Defective connector contact
Defective heat exchanger thermistor
Defective outdoor unit PCB
L0 Malfunction of inverter system Shortage of power supply capacity
Defective power transistor
Defective outdoor unit PCB
L1 Malfunction of inverter PCB Defective compressor wiring
Defective outdoor unit fan motor
Blown fuse
Defective inverter PCB
L3 El.compo. box temperature rise Fin temperature rise due to short circuit
Defective outdoor unit fan motor
Defective power transistor
Defective outdoor unit PCB
L4 Malfunction of inverter radiation fi n temperature rise Fin temperature rise due to short circuit Defective fi n thermistor
L5 nverter instantaneous overcurrent (DC output) Defective compressor coil (such as wiring disconnection or insulation failure)
Compressor startup failure (mechanical lock)
Defective inverter PCB
L6 Inverter instantaneous overcurrent (AC output) Overcharge of refrigerant amount
Shortage of power supply capacity
Defective compressor Defective inverter unit
L8 Malfunction of overcurrent inverter compressor Compressor overloaded
Wiring disconnection in compressor coil
Disconnection of compressor wiring
Defective inverter PCB
L9 Malfunction of inverter compressor startup error (Stall prevention) The stop valve is not opened
Defective compressor
Error in wire connections to compressor
Large differential pressure before compressor startup Defective inverter PCB
LA Malfunction of power transistor Defective power transistor
Defective compressor
Defective inverter PCB
LC Malfunction of transmission between control and inverter PCB Defective connection between the inverter PCB and the control PCB
External factors (e.g. noise)
Defective inverter compressor
Defective control PCB (transmission block)
M1 Malfunction of central remote controller PCB Defective central remote controller PCB
M8 Malfunction of transmission between optional controllers for centralized control Other centralized control power disconnection
Centralized control reset switch ON
Defective transmission wiring
Central remote controller address change
MA Improper combination of optional controllers for centralized control Improper combination of optional controllers for centralized control
More than one master controller is connected
Faulty setting of centralized control
Defect of centralized control
MC Address duplication, improper setting Address duplication of central remote controller
P0 Shortage of refrigerant amount (thermal storage unit) Shortage of refrigerant
Clogged refrigerant piping
P1 Power voltage imbalance or inverter PCB Open phase
Interphase voltage imbalance
Defective capacitor in the main circuit
Defective wiring in the main circuit
Defective inverter PCB
P2 Automatic refrigerant charge operation stop The stop valve is not opened Closed valve of refrigerant tank
P3 Malfunction of thermistor in switch box Defective connection of thermistor
Defective reactor thermistor
Defective inverter PCB
P4 Malfunction of radiation fi n temperature sensor Defective radiation fi n temperature thermistor
Defective inverter PCB
Defective INV. compressor
Defective fan motor
P8 Heat exchanger freezing protection during automatic refrigerant charging (Close the refrigerant cylinder. Start again from step 1.)
P9 Malfunction of fan motor (humidifi er unit) Defective fan motor
Defective outdoor unit PCB
Broken relay harness
Defective connector contact
P9 Automatic refrigerant charge operation completed —
PA Refrigerant cylinder during automatic refrigerant charging Refrigerant cylinder of master unit is empty
PA Broken wire of heater (humidifi er unit) Defective heater unit
Defective thermistor
Defective outdoor unit PCB
PC Refrigerant cylinder during automatic refrigerant charging Refrigerant cylinder of slave unit 2 is empty
PE Automatic refrigerant charge operation nearly completed —
PH Refrigerant cylinder during automatic refrigerant charging Defective heater unit
Defective connector contact
Defective thermistor
Defective outdoor unit PCB
PJ Malfunction of capacity setting (Outdoor unit PCB) Capacity setting adaptor is not installed
Improper capacity setting adaptor
Defective outdoor unit PCB
PJ Improper combination between inverter and fan driver Mis-matching of type of PCB
Improper (or no) fi eld setting after replacing outdoor unit main PCB

Get in touch
with us today

Your local Perth air conditioning specialists. Happy customers mean everything to us!

Need reliable air conditioning installation, service or repair in Perth? Make your home or business comfortable with Total Air Conditioning.

  • Drop files here or
    Accepted file types: pdf, jpg, Max. file size: 3 MB.