Americool Portable Air Conditioners Alarm Codes

Americool Portable Air Conditioners Alarm Codes Model HPC-3000 / HPC-5000 / WPC-7000 / WPC-9000 / WPC-15000

Alarm Display = 1C
Problem = Frost preven on sensor and Abnormal temperature sensor value
Cause = • Indoor heat exchanger temperature too low
• TH3 temperature sensor has a loose or broken connec on
Corrective Action = • Do not use the air conditioner if ambient
temperature is lower than 18°C (64°F)
• Contact a qualified service agent

Alarm Display = P5
Problem = Refrigerant high pressure switch
Cause = • Blocked air fi lter
• Blocked /kinked exhaust duct
• Ambient temperature is too high
Corrective Action = Clean air filter
• Ensure exhaust duct is not blocked / kinked
• Do not use the air conditioner if ambient temperature is higher than 45°C (113°F)

Alarm Display = 51
Problem = Abnormal temperature sensor value
Cause = TH1(Outlet) temperature sensor has a loose or broken connection
Corrective Action = Contact a qualified service agent

Alarm Display = 52
Problem = Abnormal temperature sensor value
Cause =  TH2(Inlet) temperature sensor has a loose or broken connection
Corrective Action = Contact a qualified service agent

Alarm Display = C0
Problem = Compressor overloaded
Cause = • Ambient temperature is too high
• Unstable voltage supply
• Defective compressor
Corrective Action = • Do not use the air conditioner if ambient temperature is higher than 45°C (113°F)
• Contact a qualified service agent
• Replace compressor

Alarm Display = Ft
Problem = Condensate water level alarm
Cause = Condensate tank is full
Corrective Action = • Empty the water tank
• A er installa on of the water tank, press the SPOT/COOL or ROOM/COOL bu on to resume
operation

Alarm Display = FU
Problem = Drain pump alarm
Cause = Drain pump defective or improper hose connection (including kink or blockage)
Corrective Action = • Check the hose connection and hose
• Replace drain pump

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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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