Daikin Ururu Sarara Error Code

Inverter Pair E-Series

Heat Pump
Indoor Units
FTXR28EV1B
FTXR42EV1B
FTXR50EV1B

Outdoor Units
RXR28EV1B
RXR42EV1B
RXR50EV1B


Code = Basic Failure Diagnosis
Unit = Basic Failure Diagnosis
Description = Air conditioner does not run.

Code = Basic Failure Diagnosis
Unit = Basic Failure Diagnosis
Description = Air conditioner runs but does not get cooling (heating)

Code = Basic Failure Diagnosis
Unit = Basic Failure Diagnosis
Description = When operation starts, safety breaker works.

Code = Basic Failure Diagnosis
Unit = Basic Failure Diagnosis
Description = Air conditioner makes big noise and vibration.

Code = Basic Failure Diagnosis
Unit = Basic Failure Diagnosis
Description = Air does not humidified enough

Code = A1
Unit = Indoor
Description = Indoor unit PCB fault

Code = A5
Unit = Indoor
Description = Peak-cut control or freeze-up protection

Code = A6
Unit = Indoor
Description = Fan motor system fault

Code = AH
Unit = Indoor
Description = Streamer unit fault

Code = C4
Unit = Indoor
Description = Indoor heat exchanger thermistor fault

Code = C7
Unit = Indoor
Description = Front panel open / close fault

Code = C9
Unit = Indoor
Description = Room temperature thermistor fault

Code = CC
Unit = Indoor
Description = Humidity sensor fault

Code = E1
Unit = Outdoor
Description = Outdoor unit PCB fault

Code = E5
Unit = Outdoor
Description = OL activation (compressor overload)

Code = E6
Unit = Outdoor
Description = Compressor lock

Code = E7
Unit = Outdoor
Description = DC fan lock

Code = E8
Unit = Outdoor
Description = Input overcurrent detection

Code = EA
Unit = Outdoor
Description = Four way valve fault

Code = F3
Unit = Outdoor
Description = Discharge pipe temperature control

Code = F6
Unit = Outdoor
Description = High pressure control in cooling

Code = H0
Unit = Outdoor
Description = Compressor sensor system fault

Code = H1
Unit = Humidifying unit
Description = Damper fault

Code = H6
Unit = Outdoor
Description = Position sensor fault

Code = H8
Unit = Outdoor
Description = DC voltage / DC current sensor fault

Code = H9
Unit = Outdoor
Description = Outdoor air thermistor fault

Code = J3
Unit = Outdoor
Description = Discharge pipe thermistor fault

Code = J6
Unit = Outdoor
Description = Outdoor heat exchanger thermistor fault

Code = L3
Unit = Outdoor
Description = Abnormal temperature in electrical box

Code = L4
Unit = Outdoor
Description = Temperature rise in radiation fin

Code = L5
Unit = Outdoor
Description = Output overcurrent

Code = P4
Unit = Outdoor
Description = Radiation fin thermistor fault

Code = P9
Unit = Humidifying unit
Description = Fan motor system fault / fan lock

Code = PA
Unit = Humidifying unit
Description = Heater wire fault

Code = PH
Unit = Humidifying unit
Description = Humidification fan outlet thermistor fault / abnormal heater temperature

Code = U0
Unit = System
Description = Insufficient gas

Code = U2
Unit = System
Description = Over voltage protection (OVP) / low voltage protection (LVP)

Code = U4
Unit = System
Description = Signal transmission error (indoor unit - outdoor unit)

Code = U4
Unit = Outdoor
Description = Outdoor unit PCB fault or communication circuit fault

Code = U7
Unit = System
Description = Signal transmission error on outdoor unit PCB

Code = UA
Unit = System
Description = Incompatible power supply between indoor unit and outdoor unit

Code = UA
Unit = Indoor
Description = Incomplete setting for hose length

Code = -
Unit = System
Description = Lights-out of microcomputer status lamp

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