DAIKIN malfunction code

A0 Indoor Error of external protection device

A1 Indoor PCB defec

A3 Indoor Malfunction of drain Level control    

      systim

A4 Temperature of Heat Exchanger (1) error 

A5 Indoor Freeze-up prevention

A6 Indoor Fan motor lock, Overload

A7 Indoor Malfunction of swing motor flap

A9 Indoor Malfunction of EEV

AF Indoor Drain level above limit (clogging)

AJ Indoor Malfunction of capacity set device

C3 Indoor Malfunction of drain thermistor

C4 Indoor Malfunction of liquid pipe thermistor

C5 Indoor Malfunction of gas pipe thermistor

C7 Indoor Lower louvre limit switch/motor

C9 Indoor Malfunction of air thermistor

CC Indoor Malfunction of moisture sensor

CA Indoor Malfunction of discharge air

      thermistor 

CJ Indoor Malfunction of remote control

      thermistor

CE Indoor Malfunction of radiant heat sensor

E0 Outdoor Activation of outdoor safety device

E1 Outdoor PCB defect

E3 Outdoor Activation of high pressure switch 

E4 Outdoor Activation of low pressure switch

E5 Outdoor Activation of compressor over heat

      protection

E5 Outdoor Compressor motor lock

E6 Outdoor Compressor start up error

E6 Outdoor Standard compressor lock/

      overcurrent

E7 Outdoor Fan motor lock, Overload

E8 Outdoor Inverter input overcurrent

E9 Outdoor Malfunction of EEV

EA Outdoor Four way valve defective.

F3 Outdoor Abnormal discharge pipe

      temperature

F6 Outdoor Refrigerant overcharged

FC Outdoor Low pressure drop.

H3 Outdoor High pressure switch defect

H4 Outdoor Low pressure switch defect

H6 Outdoor Compressor motor position

      detection sensor error

H7 Outdoor Fan motor position detection

      sensor error

H8 Outdoor Current transformer error

H9 Outdoor Malfunction of air thermistor

J1 Outdoor Malfunction of pressure sensor

J2 Outdoor Current sensor malfunction

J3 Outdoor Malfunction of discharge pipe  

      thermistor

J4 Outdoor Low pressure saturation

      thermistor

J5 Outdoor Malfunction of suction pipe 

      thermistor

J6 Outdoor Malfunction of heat exchanger 

      thermistor

J7 Outdoor Malfunction of heat exchanger 

      liquid thermistor

J8 Outdoor Malfunction of liquid pipe 

      thermistor

J9 Outdoor Malfunction of gas pipe thermistor

JA Outdoor Malfunction of discharge pipe 

      pressure sensor

JC Outdoor Malfunction of suction pipe 

      pressure sensor

JH Outdoor Malfunction of oil temperature

      sensor

L0 Outdoor Malfunction of inverter

L3 Outdoor Electronic component box 

      overheat

L4 Outdoor Inverter cooling defect

L5 Outdoor Comp motor ground fault, Short 

      circuit

L6 Outdoor Compressor motor grounding/

      short circuit

L7 Outdoor Total input overcurrent

L8 Outdoor Comp overload, Motor 

      disconnected

L9 Outdoor Compressor lock

LA Outdoor Power unit malfunctio

LC Outdoor Transmission between inverter & 

      outdoor

P1 Outdoor Inverter over ripple

P3 Outdoor Thermistor abnormality

P4 Outdoor Power unit humidity sensor

      malfunction

PJ Outdoor Failure of capacity set resistor

U0 System Shortage of refrigerant or EEV

      failure

U1 System Negative phase, Open phase

U2 System Power supply insufficient

U3 System Wiring check operation not 

      executed

U3 System Mismatch of indoor and outdoor 

      units (Split only)

U4 System Transmission between indoor units

U5 System Transmission to remote controller

U6 System Malfunction transmission outdoor

      to BP unit

U7 System Transmission between outdoor

      units

U7 Outdoor Malfunction between outdoor

      boards(RMX/RX RK)

U8 System Transmission between master &

      slave R/C

U9 System Transmission error between indoor

      to outdoor

UA System Excessive number of fancoils

UC System Address duplication of central

       controllers

UE System Transmission error between indoor

      & central

UF System Refrigeration system not set/wiring

      - piping

UF System Terminals 1 and 3 crossed (Split/

      Skyair)