IFB AC Error Codes and Troubleshooting

AC BrandsIFB

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

IFB AC Error Codes and Troubleshooting
IFB AC Error Codes and Troubleshooting
Error CodeProblem
E1The fault of indoor temperature sensor. RUN lamp: flashes once.
E2The fault of indoor pipe temperature sensor. RUN lamp: flashes twice.
E6Malfunction of indoor fan motor. RUN lamp: flashes 6 times.

IFB Air Conditioner Troubleshooting

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

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

IFB Remote Control Display
IFB Remote Control Display

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

Malfunction: Insufficient airflow, either hot or cold 

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:  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

Description: Air conditioner can’t configurate successful

Analysis of cause:

  1. Check the mobile or computer connected WIFI address and password is correct;
  2. Check air conditioner under configuration status;
  3. Whether have any firewall been set or not , router work normally or not;
  4. Air conditioner, router and mobile work in singal scope or not;
IFB Indoor Unit Display
IFB Indoor Unit Display

Description: Mobile can’t find air conditioner

Analysis of cause:

Software display,

Air conditioner out of line. Please check network working

  1. The air conditioner has been reconfigurated;
  2. Air conditioner out of power;
  3. Router out of power;
  4. The air conditioner cannot connect to the router;
  5. The air conditioner cannot connect to network through the router (under the remote mode);
  6. Mobile can’t connect to router (Under local control mode);
  7. The mobile phone cannot connect to network (under the remote mode).

Description: Mobile lost air conditioner controlling authority

Analysis of cause: Software display : Identification failed, please connect the local network and refresh again. It means the air conditioner has been reset, and the mobile phone has lost the permission of controlling the air conditioner, so you need to connect to WiFi to get permission. If it still cannot be controlled after connecting to local network, please delete it and wait for its refresh again

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