40 Frigidaire air conditioner error codes (FULL LIST)

Table of Contents

Frigidaire is one of the most prominent appliance companies in the world, especially in the United States of America. It is well known for its top-notch quality, reliability, and all-plus features. Although it comes with all positive things, issues and errors can occur at any time of the day. The good thing is that you will be displayed a specific error code that addresses a particular issue in your air conditioner.

You need to know the cause of that error and then resolving it will become a piece of cake. For your convenience, we have brought that piece of cake onto your plate by organizing all the error codes along with causes and solutions in one place. If you are unable to understand the situation or the error is not going anyway, taking professional help is the best option.

Frigidaire air conditioner error code ES

Causes:

  1. This error is triggered on the air conditioner when the evaporator temperature sensor has some issues or has completely failed.

Solutions:

  1. Check the wiring and connections of the sensor and the main control board. Repair if there are any pinched wires or loose or broken connections.
  2. Inspect the sensor for any faults. Replace the sensor if it is faulty.
  3. If the error remains, call a technician to inspect the control board or main PCB of the air conditioner and replace it if defective.

Frigidaire air conditioner error code AS

Causes:

  1. This error is reported if the ambient temperature sensor is facing some problems or has completely failed.

Solutions:

  1. Check the harness for any loose connectors or pinched wiring.
  2. Inspect evaporator temperature for any malfunction. Replace it if faulty.
  3. Check the control board for any faults. Replace it if needed.

Frigidaire air conditioner error code HS

Causes:

  1. This error indicates some malfunctioning in the air outlet temperature sensor.
  2. The air outlet temperature sensor of the air conditioner is broken.

Solutions:

  1. Try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “ES”.

Frigidaire air conditioner error code OS

Causes:

  1. This error is an indication that the outdoor temperature sensor is at fault or completely damaged.

Solutions:

  1. Try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “ES”.

Frigidaire air conditioner error code CS

Causes:

  1. The “CS” error indicates some problem or complete failure of the Condenser Temperature Sensor.

Solutions:

  1. Try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “ES”.

Frigidaire air conditioner error code E2

Causes:

  1. This error occurs when the air conditioner has entered the process of antifreeze protection.

Solutions:

  1. Turn OFF the air conditioner for about 1-3 minutes and then turn it ON again to see if the error goes away.
  2. Run the air conditioner fan at full speed for some time.
  3. If you are still getting the error, call a local technician to talk to an authorized service center for guidance or to inspect the unit and resolve the issue.

Frigidaire air conditioner error code E3

Causes:

This error is triggered on the air conditioner when/if:

  1. The unit is facing icing or freezing issues.
  2. Blockages or clogging in the condenser coils.
  3. Blockages or restrictions in the blower, filters, or condenser.
  4. The refrigerant level in the air conditioner is fairly low.
  5. The outdoor fan is faulty.

Solutions:

  1. Turn OFF the air conditioner for a few minutes and then turn it ON again.
  2. Call a service person to thoroughly clean the condenser coils, blower, filters, and the condenser itself for any blockages.
  3. Call an authorized technician to check the amount of refrigerant in the unit. If it is not enough, get your unit filled with freon from an authorized service provider.
  4. Run the outdoor fan at full speed or check the fan for any malfunctioning. Replace it if faulty.

Frigidaire air conditioner error code E4

Causes:

  1. This error is triggered when PCB detects that the air conditioner starts a protection process against the compressor discharge at a high temperature.

Solutions:

  1. Power OFF the AC and let it rest for a few minutes. Turn it ON again to see if the problem resolves.
  2. Using a meter, check and make sure that the proper amount of voltage is being supplied to the air conditioner.
  3. Clean the condenser, cooling coils, blower, evaporator, air filters, and other components of the air conditioner for any dirt build-up or clogging.

Frigidaire air conditioner error code E5

Causes:

  1. This error is reported when the air conditioner has entered the phase of protection against the AC over current.

Solutions:

  1. Power OFF the AC and then turn it ON again after waiting for 30-60 seconds.
  2. Check and make sure that the proper amount of voltage is being supplied to the air conditioner.
  3. Call a technician to inspect the electric components of the AC for any faults. Repair or replace as suggested by the technician.

Frigidaire air conditioner error code E6

Causes:

This error is triggered when outdoor and indoor units of the air conditioner are unable to communicate with each other. This can happen when/if:

  1. The communication wire and connectors between indoor and outdoor units are loose, pinched, burned, or broken.

Solutions:

  1. Take a look at the particular communication wire and make sure it is not pinched or broken. Repair wires while making sure that connectors are also in place.
  2. Call a technician to check the control board or main PCB for any faults. Replace the component if it is defective.

If still getting the error, call an authorized service center for further guidance on what you should do.

Frigidaire air conditioner error code E8

Causes:

  1. This error is an indication of the air conditioner’s protection against the extremely high temperature of the unit.
  2. It can occur due to excessive and contentious use of the unit for a long time.

Solutions:

  1. Turn OFF the air conditioner and let it stay like this for about 5-15 minutes. Turn it ON again and see if the error goes away.
  2. If you are still getting the error, call an authorized service provider or local technician to inspect the functional components of the AC. Repair or replace elements as required

Frigidaire air conditioner error code H6

Causes:

  1. This error is reported by the air conditioner when it is not receiving feedback from the fan motor of the indoor unit for a contentious long period.

Solutions:

  1. Check and make sure that enough consistent voltages are being supplied to the fan motor of the indoor unit.
  2. Check the wiring, connections, and connectors between the fan motor, power supply, and main PCB of the AC unit. Repair if they are loose or broken.
  3. Call a technician to inspect the fan motor and main PCB for any faults. Repair or replace either of the components as required.

Frigidaire air conditioner error code C5

Causes:

  1. This error is reported by the air conditioner when the jumper cap of either the outdoor or indoor unit is malfunctioning or completely broken.

Solutions:

  1. Call a technician to check the jumper cap for any faults. Replace the jumper cap if it is damaged.
  2. Check the indoor board for any malfunction. If the board is faulty but the jumper is fine, replace the board and install the jumper on the new board.       

Frigidaire air conditioner error code LP

Causes:

  1. This is just a technical error and indicates that the outdoor and indoor unit of the air conditioner does not match.

This is a rare occurrence but can happen because of some confusion or flipping in the shipping or delivery process.

Solutions:

  1. Contact the company’s customer support center or the dealer. Tell them about the situation and they will make sure that a matching unit is delivered to you as soon as possible.

Frigidaire air conditioner error code L3

Causes:

  1. This error is reported by AC when the DC fan motor or outdoor unit is malfunctioning or completely failed.

Solutions:

  1. Turn OFF the air conditioner and then turn it ON again to see if the error goes away.
  2. Check and repair the pinched or loose wiring and connections between the fan motor, power supply, and main PCB.
  3. Call a technician to inspect the DC fan motor for any faults. Replace it if needed.
  4. If still getting the error, call an authorized service center or a local technician to inspect the main PCB and other electrical components for any faults.

Frigidaire air conditioner error code L9

Causes:

  1. This error means that the air conditioner has entered the current protection mode.

Solutions:

  1. Take a meter and check the voltages going into the AC power element.
  2. Check harnesses and connectors for any issues. Call a technician to repair wiring and connections.
  3. If you are still getting the error, contact an authorized service provider or a local technician for further inspection. Repair or replace elements as needed.

Frigidaire air conditioner error code L9

Causes:

  1. This error is triggered when an excessive amount of refrigerant is accumulated in the air conditioner unit.

Solutions:

  1. Power OFF the air conditioner for about 1-5 minutes and then turn it ON. Energize the unit to see if the error goes down.
  2. If the error remains, call an authorized service provider or a local technician to check the refrigerant level, inspect the cooling parts,  and take a look at other related components for any faults or malfunctioning. Repair and replace elements as needed.

Frigidaire air conditioner error code F1

Causes:

  1. This error is a clear indication of some problem with the ambient sensor of the indoor unit.
  2. Open or short circuits in the indoor unit ambient temperature sensor.

Solutions:

  1. Using a tester, check the resistance coefficient or sensor and if it is weak, replace it with a compatible one.
  2. Call an authorized service provider or a local technician to check the sensor for any open or short circuits. Replace the sensor if faulty.
  3. If still getting the error, inspect the main PCB, harness, or control board of the indoor unit. Repair or replace elements as needed.

Frigidaire air conditioner error code F2

Causes:

  1. This error occurs when there are some issues with the pipe sensor of the indoor unit.
  2. Open or short circuits in the indoor unit pipe temperature sensor.

Solutions:

  1. According to the air conditioner unit and sensor, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “F1”.

Frigidaire air conditioner error code F3

Causes:

  1. This error is reported when the air conditioner detects some problem with the ambient temperature sensor of the outdoor unit.
  2. Open or short circuits in the outdoor unit ambient temperature sensor.

Solutions:

  1. According to the air conditioner unit and sensor, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “F1”.

Frigidaire air conditioner error code F4

Causes:

  1. This error indicates some malfunctioning of the pipe sensor of the outdoor unit.
  2. Open or short circuits in the outdoor unit pipe temperature sensor.

Solutions:

  1. According to the air conditioner unit and sensor, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “F1”.

Frigidaire air conditioner error code F5

Causes:

  1. This error is a clear indication of some issue with the discharge sensor of the unit.
  2. Open or short circuits in the discharge sensor of the AC unit.

Solutions:

  1. According to the air conditioner unit and sensor, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “F1”.

Frigidaire air conditioner error code F6

Causes:

  1. This error occurs when the air conditioner detects an overload limit.
  2. The air conditioner unit is facing the issue of frequency falls.

Solutions:

  1. Turn OFF the air conditioner for a few minutes and then turn it ON again.
  2. Check supply voltages and make sure that they are enough and consistent.
  3. Call an authorized technician to check the related parts such as the main PCB for any faults. Replace the PCB or component as required.

Frigidaire air conditioner error code F8

Causes:

  1. This error occurs when the air conditioner is signaling an overcurrent limit.
  2. Frequency falls in either of the air conditioner units.

Solutions:

  1. Try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “F6”.

Frigidaire air conditioner error code F9

Causes:

  1. This error occurs when the air conditioner is warning about a high discharge temperature limit or an overcurrent limit.
  2. Frequency falls in either of the air conditioner units.

Solutions:

  1. Try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “F6”.

Frigidaire air conditioner error code FH

Causes:

  1. This error occurs when the air conditioner is addressing the antifreeze limit.
  2. Frequency falls in either of the air conditioner units.

Solutions:

  1. Try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “F6”.

Frigidaire air conditioner error code H1

Causes:

  1. This is not an error or issue but a message that your air conditioner is running a defrost process on the unit.

Solutions:

  1. In most cases, the error will go away automatically once the routine defrosting process has been completed.
  2. Check the main PCB or control board for any malfunction. Replace the PCB if it is faulty.
  3. If the error is not going anywhere, call a technician to come and inspect the condenser, condenser coils, evaporator, and other components of AC units for any faults.

Frigidaire air conditioner error code H3

Causes:

This error is reported when the compressor is overloading and its protection is activated. This can happen when/if:

  1. Condenser coils are completely covered with dirt, mold, or mildew.
  2. Coils, evaporator, blower, or any other functional parts have leakages.
  3. Evaporator, blower, filters, coils, fans, or any other related component is clogged.

Running an air conditioner in extreme temperatures for a continuous and very long time can also trigger this error.

Solutions:

  1. If too long usage is the issue, turn OFF the air conditioner for about 5-15 minutes if not more to give it a bit of rest. Turn it ON again to see if the error goes away.
  2. Clean all above-mentioned components to remove dirt build-up.
  3. Look through an air conditioner unit for any leakages or blocking. Call a technician for repair work if required.
  4. If still getting the error, call a technician to inspect the evaporator and condenser for any faults or malfunctioning. Repair or replace the components as needed.

Frigidaire air conditioner error code H5

Causes:

This is an IPM (Intelligent Power Module) protection error. This can happen due to multiple reasons such as:

  1. Loose or broken harness of IPM module/sensor.
  2. Unstable line power to the unit.
  3. Faulty PCB or Control Board.

Solutions:

  1. Turn OFF the air conditioner for a few minutes. Turn it ON again and see if the error goes down.
  2. Check and ensure that the IPM protection sensor is perfectly tightened and that all the wiring and connections are safe and sound.
  3. Check the power and make sure that vokathes are being supplied enough and in a consistent manner.
  4. Check the main PCB or control board for any malfunction. Replace the component if it is faulty.
  5. If an error remains, call a local technician to visit your home, inspect the unit, and resolve the issue.

Frigidaire air conditioner error code HC

Causes:

This is a PFC (Power Factor Correction/Controller) protection error. This can be triggered due to  reasons like:

  • Loose or broken harness of PFC module/sensor.
  • Unstable line power or voltages to the unit.
  • The PCB or Control Board is malfunctioning.

Solutions:

  1. Try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “H5”.

Frigidaire air conditioner error code EE

Causes:

  1. This error is triggered when the EEPROM of the air conditioner is malfunctioning.
  2. EEPROM is empty and cannot be read by the system.
  3. The EEPROM chip has been burned or broken.

Solutions:

  1. Turn OFF the air conditioner for about 1-2 minutes and then turn it ON again. Energize it multiple times to see if the unit starts reading EEPROM.
  2. If the error remains, the EEPROM or memory chip is most probably broken and you need to replace the main control board of the unit.
  3. In some cases, you may need to call an official engineer of the company to reprogram your air conditioner if EEPROM was erased.

For reprogramming, you should contact the company’s customer support because they are well aware of the system’s backend programming and have full access to this factor as well.

Frigidaire air conditioner error code PH

Causes:

  1. This error code is triggered on display when the air conditioner has initiated the protection against high P-N voltage.

Solutions:

  1. Power OFF your air conditioner from the remote or unplug the switch from the socket. After a few seconds, turn it back ON.
  2. If the error remains, call an authorized service provider or a local technician to visit your home, inspect the unit, and resolve issues.

Frigidaire air conditioner error code PL

Causes:

  1. This error is reported by the air conditioner when the system has entered protection mode against the low P-N voltage.

Solutions:

  1. To get rid of the error code “PL” from the system, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “PH”.

Frigidaire air conditioner error code U7

Causes:

  1. This error indicates an abrupt or unexpected change in the 4-way valve.
  2. The 4-way valve is faulty or completely broken.

Solutions:

  1. To take down the error code “PL” from the system, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “PH”.
  2. If still getting the error, the 4-way valve is faulty or broken. Replace the valve with a new one.

Frigidaire air conditioner error code PO

Causes:

  1. This error means that the air conditioner is detecting the minimum frequency for the compressor in the testing mode.

Solutions:

  1. To take down the error code “PL” from the system, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “PH”.

Frigidaire air conditioner error code P1

Causes:

This error is reported by AC due to two major reasons:

  1. Rated frequency for the compressor when it was checking the system in testing mode.
  2. The bottom tray of the unit is filled with water.

Solutions:

If the rated frequency for the compressor is the actual cause behind this error,

  1. Try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “PH”.

If the bottom tray is filled:

  • Remove the drain plug from the air conditioner and let all the water come out of the system. Restart the unit or energize it multiple times until the error code disappears from the display.

Frigidaire air conditioner error code P2

Causes:

  1. This error is reported when the air conditioner detects the maximum frequency for the compressor while operating in the testing mode.

Solutions:

  1. To remove the error code “P2” from the system, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “PH”.

Frigidaire air conditioner error code P3

Causes:

  1. This error is reported by AC when it is working in test mode and detects medium frequency for the unit’s compressor.

Solutions:

  1. To resolve the error code “P3” from the system, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “PH”.

Frigidaire air conditioner error code LU

Causes:

  1. This error is triggered when the air conditioner is detecting a frequency limit in the power module.

Solutions:

  1. To shut down the error code “LU” from the system, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “PH”.

Frigidaire air conditioner error code EU

Causes:

  1. This error is reported by the air conditioner when the system has some ups and downs with the frequency limit (module temperature).

Solutions:

  1. To resolve the error code “EU” from the system, try the same solutions as suggested for the Frigidaire Air Conditioner Error Code “PH”.

Miscellaneous Errors/Problems in Frigidaire Air Conditioner

The Frigidaire air conditioner doesn’t feel enough

Causes & Solutions:

  1. Room temperature is below 16°C.
  2. The temperature sensor is attached to a cooling or condenser coil and assumes room temperature to be at the desired level. Push the sensing element aside from the coil.
  3. Set the air conditioner to a lower temperature.
  4. Shut down the compressor, change the mode and come back to COOL mode, and then energize it.

Frigidaire air conditioner making noise in COOL mode

Causes & Solutions:

  1. The noise of air moving in 3 dimensions is normal if bearable.
  2. Reduce the fan speed a little to see if the problem resolves.
  3. Loose components or installation issues. Call a technician to check the overall installation and make changes if needed.

The Frigidaire air conditioner is not working

Causes & Solutions:

  1. The main switch is not inserted into the socket or wall outlet.
  2. The plug current drive has tripped due to unstable voltages. Press the RESET button on the remote and energize the unit again.
  3. Issues in house electrical wiring, the circuit breaker has tripped, or the fuse is blown away.
  4. Turn ON the control and reset settings to COOL mode.

Frigidaire air conditioner is dripping water inside

Causes & Solutions:

  1. Issues in the installation.
  2. Slightly tilt the air conditioner unit towards the outside so that water goes down there.
  3. Call an installation technician to make necessary changes in the AC unit’s positions.

The Frigidaire air conditioner is dripping water outside

Causes & Solutions:

  1. Too much humidity in the room and the air conditioner is removing an excessive amount of moisture. This is completely a normal phenomenon.

The Frigidaire air conditioner is deactivating the remote sensing feature

Causes & Solutions:

  1. The Remote is out of the air conditioner sensing range.
  2. Make sure that the remote remains within a 20 feet radius in front of the air conditioner indoor unit.

The Frigidaire air conditioner is operating but the room doesn’t feel cool

Causes & Solutions:

  1. Try changing the temperature to a point where it seems pretty cool and fine according to the outside temperature.
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