U8 System Transmission between master and slave RC U7 System Transmission between outdoor units U6 System Malfunction transmission outdoor to BP unit U5 System Transmission to remote controller U4 System Transmission between indoor units U3 System Mismatch of indoor and outdoor units – Split only U3 System Wiring check operation not executed U0 System Shortage of refrigerant or EEV failure PJ Outdoor Failure of capacity set resistor P4 Outdoor Power unit humidity sensor malfunction LC Outdoor Transmission between inverter and outdoor

L8 Outdoor Comp overload – Motor disconnected L6 Outdoor Compressor motor grounding short circuit L5 Outdoor Comp motor ground fault Short circuit 元 Outdoor Electronic component box overheat JH Outdoor Faulty/Fault of oil temperature sensor JC Outdoor Faulty/Fault of suction pipe pressure sensor JA Outdoor Faulty/Fault of discharge pipe pressure sensor J9 Outdoor Faulty/Fault of gas pipe thermistor

J8 Outdoor Faulty/Fault of liquid pipe thermistor J7 Outdoor Faulty/Fault of heat exchanger liquid thermistor J6 Outdoor Faulty/Fault of heat exchanger thermistor J5 Outdoor Faulty/Fault of suction pipe thermistor J4 Outdoor Low pressure saturation thermistor J3 Outdoor Faulty/Fault of discharge pipe thermistor J1 Outdoor Faulty/Fault of pressure sensor H7 Outdoor Fan motor position detection sensor error H6 Outdoor Compressor motor position detection sensor error NOTE: This is a general “quick reference” fault code list, see further below the list for more detailed error codes, the definition of the code, and how to fix the issue.ĪO Indoor Error of external protection deviceĪ3 Indoor Malfunction of drain Level control systemĪ7 Indoor Malfunction of swing motor flapĪF Indoor Drain level above limit – cloggedĪJ Indoor Malfunction of capacity set deviceĬ3 Indoor Malfunction of drain thermistorĬ4 Indoor Malfunction of liquid pipe thermistorĬ5 Indoor Malfunction of gas pipe thermistorĬ7 Indoor Lower louvre limit switch – motorĬA Indoor Malfunction of discharge air thermistorĬJ Indoor Malfunction of remote control thermistorĬE Indoor Malfunction of radiant heat sensorĮ0 Outdoor Activation of outdoor safety deviceĮ3 Outdoor Activation of high pressure switchĮ4 Outdoor Activation of low pressure switchĮ5 Outdoor Activation of compressor over heat protectionĮ6 Outdoor Standard compressor lock overcurrentį3 Outdoor Abnormal discharge pipe temperature ALL Daikin AC Products on Amazon DAIKIN AC Error Codes

Daikin error code chart