Daikin Split AC Error Codes

A3 Daikin Split AC Daikin A3 means the indoor unit detected an abnormal water level in the drain … A6 Daikin Split AC Daikin A6 means the indoor fan motor reported a fault — typically wrong RPM … E7 Daikin Split AC Daikin E7 means the outdoor fan motor reported a lock condition.<br>The PCB … L3 Daikin Split AC L3 on a Daikin AC means the temperature sensor inside the outdoor electrical box … L5 Daikin Split AC L5 on a Daikin AC means the inverter has detected an overcurrent on the DC bus — … P4 Daikin Split AC P4 on a Daikin AC means the radiation fin (heat sink) temperature sensor on the … U0 Daikin Split AC U0 on a Daikin AC means the system has detected refrigerant shortage — gas … U2 Daikin Split AC U2 on a Daikin AC means the supply voltage to the outdoor unit is outside the … A1 Daikin Split AC A1 on a Daikin AC indicates a malfunction of the indoor unit PCB (printed … C4 Daikin Split AC C4 on a Daikin AC means the high pressure sensor has detected that refrigerant … E5 Daikin Split AC E5 on a Daikin AC indicates an outdoor fan motor fault.<br>The outdoor fan motor … E6 Daikin Split AC E6 on a Daikin AC means the outdoor coil thermistor — the sensor that monitors … U4 Daikin Split AC U4 on a Daikin AC means communication between the indoor unit and the outdoor … E1 Daikin Split AC E1 on a Daikin AC means the outdoor unit PCB (printed circuit board) has … E2 Daikin Split AC E2 on a Daikin AC typically indicates a fault with the indoor fan motor or the … E3 Daikin Split AC E3 on a Daikin AC means the discharge pipe (hot gas pipe) coming out of the … E4 Daikin Split AC E4 on a Daikin AC means the high pressure switch on the outdoor unit has … F1 Daikin Split AC F1 on a Daikin AC means the indoor coil (evaporator pipe) temperature thermistor … F2 Daikin Split AC F2 on a Daikin AC means the outdoor ambient temperature thermistor has a … F3 Daikin Split AC F3 on a Daikin AC means the discharge pipe temperature sensor (also called the … F4 Daikin Split AC F4 on a Daikin AC means the outdoor heat exchanger (condenser coil) temperature … F5 Daikin Split AC F5 on a Daikin AC means the outdoor suction pipe temperature thermistor has a … HC Daikin Split AC HC on a Daikin AC means the outdoor unit has detected an overcurrent condition — …