Westinghouse Air Conditioner Error Codes

AC BrandsWestinghouse

Please read all of the instructions before using the air conditioner and keep this manual for future reference. The air conditioner you purchased has R410a gas  refrigerant a environmental friendly gas which does  not damage the ozone layer.

Westinghouse Air Conditioner Error Codes
Westinghouse Air Conditioner Error Codes

Error signals on the display:

In case of error, the display on the indoor unit shown the following error codes:

Error CodeDescription of the trouble
E0Indoor unit EEPROM parameter error.
E1Indoor/outdoor units communication error.
E2Zero-crossing signal detection error.
E3Indoor fan speed has been out of control.
E4Open circuit or short circuit of indoor room temperature T1 sensor.
E5Open circuit or short circuit of evaporator coil temperature T2 sensor
ECRefrigerant Leakage Detection
F1Open circuit or short circuit of an outdoor ambient T4 temperature sensor
F2Open circuit or short circuit of condenser coil temperature T3 sensor
F3Open circuit or short circuit of compressor discharge T5 temperature sensor
F4Outdoor unit EEPROM parameter error
P0IPM malfunction or IGBT over-strong current protection
P1Overvoltage or over low voltage protection
P2High-temperature protection of compressor top diagnosis and solution
P4Inverter compressor drive error

Westinghouse Air Conditioner Trouble shootings

Malfunction: The appliance does not operate

Possible causes:

  • Power failure/plug pulled out
  • Damaged indoor/outdoor unit fan motor
  • Faulty compressor thermomagnetic circuit breaker
  • Faulty protective device or fuses.
  • Loose connections or plug pulled out
  • It sometimes stops operating to protect the appliance.
  • Voltage higher or lower than the voltage range
  • Active TIMER-ON function
  • Damaged electronic control board
Westinghouse Air Conditioner Remote Control Display
Westinghouse Air Conditioner Remote Control Display

Malfunction: Strange odour

Possible causes: Dirty air filter

Malfunction: Noise of running water

Possible causes: Back flow of liquid in the refrigerant circulation

Malfunction: A fine mist comes from the air outlet

Possible causes: This occurs when the air in the room becomes very cold, for example in the COOLING or DEHUMIDIFYING/DRY modes.

Malfunction: A strange noise can be heard

Possible causes: This noise is made by the expansion or contraction of the front panel due to variations in temperature and does not indicate a problem.

Westinghouse Air Conditioner Indoor unit display
Westinghouse Air Conditioner Indoor unit display

Malfunction: Insufficient airflow


Possible causes:

  • Unsuitable temperature setting.
  • Obstructed air conditioner intakes and outlets.
  • Dirty air filter.
  • Fan speed set at minimum.
  • Other sources of heat in the room.
  • No refrigerant.

Malfunction: The appliance does not respond to commands

Possible causes:

  • Remote control is not near enough to indoor unit.
  • The batteries of remote control nearly has no power.
  • Obstacles between remote control and signal receiver in indoor unit.

Malfunction: The display is off

Possible causes:

  • Active LIGHT function
  • Power failure

Malfunction: The display is off

Possible causes:

  • Active LIGHT function
  • Power failure

Malfunction: Switch off the air conditioner immediately and cut off the power supply in the event of:

Possible causes:

  • Strange noises during operation.
  • Faulty electronic control board
  • Faulty fuses or switches.
  • Spraying water or objects inside the appliance.
  • Overheated cables or plugs.
  • Very strong smells coming from the appliance.

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