51 Condura aircon error codes + troubleshooting

Carrier is one of the biggest air conditioner manufacturing companies in the Philippines. They are delivering their products to almost all regions of the world. They manufacture air conditioners of different types and use multiple brand names such as the Carrier, Condura and Kelvinator. As Condura air conditioners are still electric machines, issues can happen at any time of the day though the probability is too low.

The good thing is that AC has a feature that displays a specific error code as soon as it detects some problem with the system. In the article below, we have gathered all the error codes along with their causes and solutions. You should try to take down the error as a DIY task if it can be but if the error requires some assistance, always contact a professional technician or engineer. This will prevent you, your family, and the system from any mishap.

Condura Air Conditioners Indoor Unit Error Codes

Condura air conditioner error code E0

Causes:

This error is displayed on the AC unit when/if:

1. The EEPROM parameter has some issues or malfunctioning.
2. The instructions on EEPROM have been erased.
3. The EEPROM chip is damaged or defective.

Solutions:

Contact the company customer supports to:

1. Check the EEPROM for any issues. Replace the whole control board if it is faulty.
2. Re-upload and re-program the instructions on the EEPROM.
3. Check the main PCB (Printed Circuit Board) for any malfunction. Replace the PCB if it is faulty.

Only go to a local professional if the company’s officials are unavailable. The company’s engineers will have total access and control over the programming and they will also have the instructions that are 100% compatible with your specific Condura AC model and version.

Condura air conditioner error code E2

Causes:

This error is displayed on the AC unit when/if:

1. The indoor and outdoor units are unable to communicate.
2. The communication wire is damaged.
3. Main PCB is malfunctioning.

Solutions:

1. Restart the unit after keeping it OFF for 15-30 seconds.
2. Reset communication settings from the remote control.
3. Check the communication wire and repair or replace it as needed.
4. Inspect the communication signal receiver of both units. Repair it if it is required.
5. If the error persists, replace the main PCB as it is damaged or defective.

Condura air conditioner error code E3

Causes:

This error is displayed on the AC unit when/if:

1. The fan speed of the indoor unit is fluctuating or has been out of control.

Solutions:

1. Remove if something is stuck in the blades of the fan and causing a restriction.
2. Repair any pinched wires or loose connections between the fan motor, main PCB, and power supply.
3. Ensure that all components of the fan are in place and properly assembled.
4. Contact a technician to inspect the fan motor. Repair or replace it if it is faulty.
5. If the error persists, inspect the main PCB and replace it if it is defective.

Condura air conditioner error code E4

Causes:

This error is displayed on the AC unit when/if:

1. The room temperature sensor T1 of the indoor unit is malfunctioning.
2. Indoor unit room temperature sensor T1 has an open or short circuit.

Solutions:

1. Check the resistance coefficient of the sensor and if it is weak or not compatible, replace it with a strong one.
2. Check and ensure that the sensor is not bent and is positioned in its intended place.
3. Check the writing and connections between the sensor and the main PCB for any damages. Repair harnesses if needed.
4. Check the sensor and if it is at fault, replace it.
5. If the error persists, check the main PCB and replace it if it’s faulty.

Condura air conditioner error code E5

Causes:

This error is displayed on the AC unit when/if:

1. The evaporator coil temperature sensor T2 of the AC unit is not working.
2. AC unit evaporator coil temperature sensor T2 has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura air conditioner “Error Code E4”.

Condura air conditioner error code EC

Causes:

This error is displayed on the AC unit when/if:

1. The system has detected refrigerant leaks.
2. The system is under protection mode to protect the compressor from any damage.

Solutions:

1. Clean the filters to remove dirt and debris build-up.
2. Remove debris from the condenser coils, evaporator, and condenser itself.
3. Contact an engineer to check the piping and other components for refrigerant leaks. Repair the area where needed.
4. Check the refrigerant level and if it is low, get it refilled.

Condura air conditioner error code F1

Causes:

This error is displayed on the AC unit when/if:

1. The coil outlet temperature sensor  A of the outdoor unit is not functioning
2. The wiring or connectors of the sensor are pinched or broken.
3. Indoor unit coil outlet temperature sensor A has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura air conditioner “Error Code E4”.

Condura air conditioner error code F2

Causes:

This error is displayed on the AC unit when/if:

1. The coil outlet temperature sensor of the indoor unit is not operating correctly.
2. The wiring or connectors of the sensor are pinched or broken.
3. Indoor unit coil outlet temperature sensor B has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura air conditioner “Error Code E4”.

Condura air conditioner error code F3

Causes:

This error is displayed on the AC unit when/if:

1. The coil outlet temperature sensor C of the indoor unit is malfunctioning.
2. The wiring or connectors of the sensor is pinched or damaged.
3. Indoor unit coil outlet temperature sensor C has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura air conditioner “Error Code E4”.

Condura air conditioner error code F4

Causes:

This error is displayed on the AC unit when/if:

1. The coil outlet temperature sensor D of the indoor unit is facing problems.
2. The wiring or connectors of the sensor is pinched or defective.
3. Indoor unit coil outlet temperature sensor D has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura air conditioner “Error Code E4”.

Condura air conditioner error code F5

Causes:

This error is displayed on the AC unit when/if:

1. The coil outlet temperature sensor E of the indoor unit is malfunctioning.
2. The wiring or connectors of the sensor are pinched or broken.
3. Indoor unit coil outlet temperature sensor E has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura air conditioner “Error Code E4”.

Condura air conditioner error code P0

Causes:

This error is displayed on the AC unit when/if:

1. The IPM (Intelligent Power Module) is not functioning properly.
2. The IGBT (Insulated-Gate Bipolar Transistor) has entered the high or overcurrent protection mode.

Solutions:

1. Turn OFF the AC unit and restart it after a few minutes.
2. Check the main power cord and power supply and ensure a stable supply of voltages.
3. Check the wiring and connections of the IPM module and then the sensor. Repair the damages where needed.
4. Check the IGBT and seek professional help if it’s defective.
5. If the error is still there, replace the main PCB as it can be defective.

Condura air conditioner error code P1, PL

Causes:

This error is displayed on the AC unit when/if:

1. Over/high or low voltages are being supplied to the system.
2. The system has entered the overvoltage or over-low voltage protection mode.

Solutions:

1. Using a meter, check the voltages and make sure they are consistent and in the normal range.
2. Inspect the main power cord and ensure it is properly plugged into the wall receptor.
3. Check the connection between the power supply and other major components of the system. Repair the damaged wiring and loose connectors where needed.
4. Inspect the power supply for any defects. Repair or replace the supply if faulty.
5. If the error persists, check the compressor for any faults. Repair or replace the component as needed.

Condura air conditioner error code P2

Causes:

This error is displayed on the AC unit when/if:

1. The system has entered the high-temperature protection mode.
2. The compressor’s high-temperature protection has been activated for top diagnosis and solutions.

Solutions:

1. Turn OFF the system and let it rest until it cools down.
2. Using a meter, check the voltage and ensure a stable supply of current.
3. Clean the condenser coils, condenser, filters, fans, and other components to remove dust and debris.
4. Check the high-temperature sensor on the compressor for any faults. Replace the sensor if needed.
5. Check the main PCB and replace it if it is defective.
6. If the error persists, contact an HVAC engineer to inspect the system and fix it accordingly.

Condura air conditioner error code P4

Causes:

This error is displayed on the AC unit when/if:

1. The inverter compressor drive has some issues.

Solutions:

1. Restart the AC system after switching it OFF for a few seconds.
2. Check the wiring and connection between the inverter compressor and the main PCB. Repair the wiring and connectors if damaged or loose.
3. Make sure that all connections are tight and in place.
4. Inspect the main PCB for any faults. Replace the PCB if it is defective.
5. If the error persists, inspect the compressor as it could be at fault. Repair or replace the compressor if needed.

Condura air conditioner error code P5

Causes:

This error is displayed on the AC unit when/if:

1. There is a mode conflict.
2. Different modes are running on indoor and outdoor units. (HEAT on Indoor and COOL on Outdoor unit or vice versa)

Solutions:

1. Check on the mobile application or remote control and ensure that the same modes are running on both units of the system.

It is better to restart the system after keeping it OFF for 3-5 minutes after putting the same mode on both.

Condura air conditioner error code P6

Causes:

This error is displayed on the AC unit when/if:

1. The system has entered the compressor protection mode.

Solutions:

1. Try the exact solution as suggested for the Condura aircon “Error Code P2”.
2. Check the wiring and connections between the compressor and power supply. Repair if there are any damages.
3. If the error persists, contact an HVAC engineer to inspect the compressor. Repair or replace the compressor if it is defective.

Condura Air Conditioners Outdoor Unit Error Codes

Condura air conditioner error codes E0, E2, EC, F4, F5

Causes:

• E0: Outdoor EEPROM malfunction.
• E2: Indoor/outdoor units communication error.
• EC: Refrigerant leakage detection.
• F4: Outdoor unit EEPROM parameter error.
• F5: Outdoor fan speed has been out of control.

Solutions:

• Same Causes and Solutions as suggested to resolve these problems when they occur in the Condura aircon indoor unit.

Condura air conditioner error code E3

Causes:

This error is displayed on the AC unit when/if:

1. The communication between the IPM board and the main board of the outdoor unit is interrupted.
2. Communication wiring or connectors are damaged.
3. Main PCB is malfunctioning.

Solutions:

1. Turn OFF the AC system, unplug the power cord, and then restart it after a few seconds.
2. Ensure that wiring and connections are in good shape. Repair the damaged wiring and connectors.
3. Check the IPM board and outdoor unit board for any faults. Repair or replace the board as needed.
4. If the error is still there, replace the main PCB as this could be at fault.

Condura air conditioner error code E4

Causes:

This error is displayed on the AC unit when/if:

1. The temperature sensor T5 of the outdoor unit is malfunctioning.
2. The outdoor unit temperature sensor T5 has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code E4”.

Condura air conditioner error code E5

Causes:

This error is displayed on the AC unit when/if:

1. The AC system has entered the voltage protection mode.
2. The wiring and connections have been damaged.
3. The power supply, power cord, or other electronic components are malfunctioning.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code P1”.

Condura air conditioner error code E8

Causes:

This error is displayed on the AC unit when/if:

1. The fan speed of the outdoor unit is increasing or decreasing.
2. The fan motor of the outdoor unit is faulty.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code E3”.

Condura air conditioner error code F1

Causes:

This error is displayed on the AC unit when/if:

1. The ambient temperature sensor T4 of the outdoor unit is not functioning.
2. The outdoor unit ambient temperature sensor T4 has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code E4”.

Condura air conditioner error code F2

Causes:

This error is displayed on the AC unit when/if:

1. The condenser coil temperature sensor T3 of the AC unit is malfunctioning.
2. AC unit condenser coil temperature sensor T3 has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code E4”.

Condura air conditioner error code F3

Causes:

This error is displayed on the AC unit when/if:

1. The compressor discharge temperature sensor T5 of the AC unit has issues.
2. AC unit compressor discharge temperature sensor T5 has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code E4”.

Condura air conditioner error code P1

Causes:

This error is displayed on the AC unit when/if:

1. The system has entered the high-pressure protection mode.
2. Coils, air filters, and other components are covered with dirt.
3. The high-pressure switch is malfunctioning.

Solutions:

1. Thoroughly clean the whole of the system, its condenser coils air filters to remove debris or any foreign objects causing a clog.
2. Ensure that the fans are operating fully. Clean the fan blades and run the fan at full speed for a few minutes.
3. Ensure a stable and consistent supply of voltages to the system.
4. If the error is still there, check the high-pressure switch for any issues. Replace the switch if it is faulty.

Condura air conditioner error code P2

Causes:

This error is displayed on the AC unit when/if:

1. The AC system has entered the low protection mode.
2. AC fans, filters, coils, or evaporators are dirty.
3. There is a leak or clogging in any part of the system.

Solutions:

1. Clean the whole system while removing dust, debris, and foreign objects.
2. Look through the whole system and ensure there aren’t any leaks. Contact a technician for repair work if there are leaks.
3. If the error persists, contact a local technician to check the AC system and its major components for malfunctioning. Repair or replace the component as needed.

Condura air conditioner error code P3

Causes:

This error is displayed on the AC unit when/if:

1. The system has initiated the current protection mode for the compressor.
2. Wrong or unstable voltages are being supplied to the compressor.

Solutions:

1. Using a meter, check the voltages and make sure they are in the normal range and consistent.
2. Check the main power cord and ensure it is properly plugged in.
3. Check the wiring and connection between the power supply and compressor. Repair if there’s a pinched wire or loose connectors.
4. Contact a technician to inspect the compressor. Repair or replace it if it is at fault.

Condura air conditioner error code P4

Causes:

This error is displayed on the AC unit when/if:

1. The temperature protection mode has been activated to prevent any damage to the compressor.

Solutions:

1. Turn OFF the unit and let it cool down before turning it back ON.
2. Check and ensure that the temperature sensor on the compressor is fine. Replace the sensor if it is faulty.
3. Check the system pressure and bring it back into the normal range.
4. Inspect the wiring for any damages. Repair wires or connectors if needed.
5. Repair or replace the compressor if it is defective.

Condura air conditioner error code P5

Causes:

This error is displayed on the AC unit when/if:

1. The system has entered the high-temperature protection mode for the condenser.

Solutions:

1. Try the exact solutions as suggested for the Condura aircon “Error Code P4”.
2. Clean the condenser coils and air filters for any clogging or dirt build-up.
3. Check the refrigerant level and if it is low, fill the freon gas.
4. Repair or replace the condenser if it is faulty.

Condura air conditioner error code P6, H5

Causes:

This error is displayed on the AC unit when/if:

1. The system has initiated the protection mode for the IPM module of the system.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code P0”.

Miscellaneous Condura Air Conditioner Error Codes

Condura air conditioner error code DN

Causes:

This error is displayed on the AC unit when/if:

1. The communication path between the main board and the EXV (Electronic Expansion Valve) is broken or not functioning properly.
2. The main PCB is malfunctioning.

Solutions:

1. Turn it OFF and then restart the system after a few seconds.
2. Repair the wiring and connections between the main board and EXV if they are damaged.
3. Inspect the main PCB for any faults. Replace the PCB if it is defective.

Condura air conditioner error code EE

Causes:

This error is displayed on the AC unit when/if:

1. The memory card of the AC system malfunctioned.
2. Memory card is empty or damaged.

Solutions:

1. Try the exact solutions (per the memory card) as suggested for the Condura AC’s indoor unit “Error Code E0”.

Condura air conditioner error code EN, EU, FH

Causes:

This error is displayed on the AC unit when/if:

1. EN: The system is detecting frequency limitations for module circuit protection.
2. EU: The system is detecting frequency limitations for module temperature protection.
3. FH: The system is detecting frequency limitations for freeze protection.

Solutions:

1. Contact the company’s customer support for guidance or an HVAC engineer to inspect the system and repair it as necessary.

Condura air conditioner error code H1

Causes:

This error is displayed on the AC unit when/if:

1. The AC system is in the defrosting process.
2. The system is under the heating oil return cycle.

Solutions:

In most cases, the error will be down after the defrost process on the AC system has been completed. If you are getting the error even after completion of the defrost process or heating oil return cycle,

1. Run the fans at maximum speed for a few minutes.
2. Repair if there are any leakages in the system.
3. Contact an HVAC engineer to inspect the AC compressor, condenser, and heat exchanger for any issues. Repair or replace the component which is faulty and malfunctioning.

Condura air conditioner error code H3

Causes:

This error is displayed on the AC unit when/if:

1. The compressor is overloaded or overheated.
2. The system has activated the compressor overheat protection mode.

Solutions:

1. Turn OFF the AC unit and restart it after it cools down completely.
2. Make sure that the condenser fan is working fine and run it at maximum speed for a few minutes.
3. Check the condenser coils and clean them off dust and dirt build-up.
4. Check the freon or refrigerant level and ensure it is at the required point.

Condura air conditioner error code H7

Causes:

This error is displayed on the AC unit when/if:

1. The system has detected a reduction in compressor speed.

Solutions:

1. Turn OFF the system, unplug the power cord, and then restart it after keeping it in this position for 5-15 minutes.
2. Check the power cord and ensure it is properly plugged into the wall receptor.
3. Using a meter, check the voltages and ensure a consistent supply to the compressor.
4. Check the main PCB and replace it if it is faulty.
5. If the error is still there, contact a technician to check the compressor for any faults. Repair or replace the compressor as necessary.

Condura air conditioner error code HC

Causes:

This error is displayed on the AC unit when/if:

1. There is some issue or malfunction with the PFC (Power Factor Correction) protection (only occurs with 42K, 48K, or 60K sensors).

Solutions:

1. Ensure that the PFC module is in place and tightened properly.
2. Check the PFC sensor if it is faulty.
3. Replace the mainboard of the unit after an inspection by an HVAC engineer.

Condura air conditioner error code HE

Causes:

This error is displayed on the AC unit when/if:

1. The system is under the compressor demagnetizing protection mode.

Solutions:

1. Ensure a consistent supply of voltages to the compressor.
2. Contact the company’s customer support for guidance or an HVAC engineer to inspect the compressor. Repair or replace it as necessary.

Condura air conditioner error code L9, PH

Causes:

This error is displayed on the AC unit when/if:

1. The system has started high voltage protection to protect the compressor from damage.

Solutions:

1. Make sure that the power cord is plugged in properly.
2. Ensure that wiring and connection are in place. Repair if there are damages.
3. Check the power supply for any faults. Repair or replace it as needed.
4. Check the main PCB for any malfunction. Replace the PCB if it is faulty.
5. If the error persists, the compressor could be defective. Repair or replace, as preferable.

Condura air conditioner error code LC

Causes:

This error is displayed on the AC unit when/if:

1. The system is detecting compressor start-up failure (even after multiple tries).

Solutions:

1. Check the wiring and connections of the compressor. Repair pinched wires and tighten loose connectors.
2. Check the circuit breakers for tripping. Put them back in their normal position.
3. Check the fuses and fix them if they are blown.
4. Check the thermostat and if it is faulty, replace it with a new one.
5. Check the compressor for any faults. Repair or replace it as needed.
6. If the error persists, ask an HVAC engineer to troubleshoot the system and repair it as necessary.

Condura air conditioner error code LD

Causes:

This error is displayed on the AC unit when/if:

1. The system has detected compressor phase loss protection.

Solutions:

1. Check the fuses and if they are blown, replace them with new ones.
2. Check the circuit breakers and if they are tripped, reset them all.
3. Check the power cord and wiring of the compressor for any damages. Repair the cables and wires if needed.
4. If the error persists, contact an HVAC engineer to inspect the compressor for any malfunction. Replace the compressor if it is faulty.

It is highly recommended to seek professional help if the error stays on the system because letting the AC system operate with this error can lead to a complete failure of the aircon system in the long run.

Condura air conditioner error code LE

Causes:

This error is displayed on the AC unit when/if:

1. The compressor is stalling or not working at all.

Solutions:

1. Check the refrigerant level in the system and if the amount is not as required, contact an HVAC engineer to bring the refrigerant amount to a perfect level.
2. Check the system for any leaks and repair them on an immediate basis.
3. Ensure a consistent supply of voltages to the compressor.
4. Contact an HVAC engineer if the error is persisting.

Condura air conditioner error code LF

Causes:

This error is displayed on the AC unit when/if:

1. The system has initiated the compressor over-speed protection.
2. Wrong or inconsistent supply of voltages.
3. PCB is malfunctioning.
4. The compressor is at fault.

Solutions:

1. Try the exact solutions as suggested for the Condura air conditioner “Error Code H7”.
2. If the error persists, contact an HVAC engineer to inspect the system and do the repair.

Condura air conditioner error code LP

Causes:

This error is displayed on the AC unit when/if:

1. The indoor and outdoor units of the air conditioner are not matching (different models or versions).

Solutions:

Take a look at the label on both units and match the model number and versions. If the units are mismatched,

1. Contact the company sales department and tell them about your situation. Ask them to exchange the unit and deliver a matching part for your aircon system.

Condura air conditioner error code PA

Causes:

This error is displayed on the AC unit when/if:

1. The system has initiated the input current protection.
2. The power supply or the DC-DC converters are malfunctioning.

Solutions:

1. Using a meter, check the supply voltages, and ensure a consistent supply.
2. Inspect the power supply and DC-DC converter for any faults. Repair or replace either of the components if they are defective.

Condura air conditioner error code PC

Causes:

This error is displayed on the AC unit when/if:

1. The current sensor is malfunctioning.
2. The current sensor has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code E4”.

Condura air conditioner error code PD

Causes:

This error is displayed on the AC unit when/if:

1. The system has started the current sensor miss-wiring protection.
2. The sensor is malfunctioning.
3. The sensor has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code E4”.

Condura air conditioner error code PF

Causes:

This error is displayed on the AC unit when/if:

1. The ambient temperature sensor on the inverter board is malfunctioning.
2. The sensor has an open or short circuit.

Solutions:

1. Try the exact solutions as suggested for the Condura AC’s indoor unit “Error Code E4”.

Condura air conditioner error code PP

Causes:

This error is displayed on the AC unit when/if:

1. The aircon system is detecting out-of-range (too low or too high) input AC voltages.

Solutions:

1. Check the input voltages and ensure they are stable and in the normal range.
2. Unplug the switch from the wall receptor and wait until voltages come to their normal range and then switch your AC back ON.
3. Check the power supply and replace it if it is faulty.
4. If the voltage is fine but you are still getting the error, replace the mainboard as it can be faulty.
5. If still getting the error, call a technician to inspect the compressor. Replace it if needed.

Condura air conditioner error code PU

Causes:

This error is displayed on the AC unit when/if:

1. The capacitor is not charging or malfunctioning due to a short circuit.

Solutions:

1. Replace the capacitor with a new and compatible one

Miscellaneous Errors/Problems in Condura Air Conditioner

The Condura air conditioner is not starting

Causes and Solutions:

1. Replace the fuse with a new one, if they are blown.
2. Reset the tripped circuit breakers, if they are tripped.
3. Take out the power cord and put it back into the wall reactor.
4. Contact an electrician to inspect the power supply and replace it if it is faulty. Ensure a consistent supply of voltages.

The Condura air conditioner is not providing enough cooling

Causes and Solutions:

1. Check the air filters and if they are clogged or dirty, clean them thoroughly.
2. Check the temperature settings and thermostats. Put an appropriate temperature or replace the thermostat.
3. If the unit is under direct sunlight, build an awning or shade over the outdoor unit.

The fan motor of the Condura air conditioner doesn’t run

Causes and Solutions:

1. Look through the fan blades for any foreign objects. Remove the items and clean the fan blades or dirt build-up.
2. Check the fan motor and replace it if it is faulty.

The Condura air conditioner indoor unit has icing on the coils

Causes and Solutions:

1. The system can be in the defrost process. Run the fan at maximum speed for a few minutes until the process is completed.
2. Clean the air filters if they are clogged or dirty.
3. Repair the leakages and if the refrigerant level is low, fill the freon gas.
4. Check the thermostat for any malfunction. Replace the thermostat if it is faulty.