Electrolux AC Error Codes & Troubleshooting Guide (Split & Window AC)

Byurbanservice@22 AC
electrolux ac error codes

Modern Electrolux air conditioners come with a self-diagnosis feature. When something goes wrong inside the unit, the display shows a specific error code instead of just switching off. This helps users and technicians spot the exact problem quickly, without opening the unit.

Not all codes mean the same thing. Codes like E1, E3, or F1 usually point to a genuine fault, such as a sensor or fan issue. Codes like P1, P7, or L2 are protection codes. These appear when the AC shuts down a function on purpose to prevent damage, often due to voltage issues or overheating.

This guide covers Electrolux error codes for both Split and Window AC models sold in India. It is based on official Electrolux user manuals, so you get accurate, model-specific information you can trust before calling a technician.

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Quick Find Your Electrolux Inverter AC Error Codes

Error Code & MeaningQuick Solutions
EE – Indoor machine EE fault
ODU Light Flash: 25		Restart the AC. If the code returns, the PCB needs a technician check.
E1 – Indoor fan fault
ODU Light Flash: 26		Check for blockage in the indoor fan. Call a technician if the fan doesn’t move.
E2 – Indoor fan zero-crossing detection abnormal
ODU Light Flash: 27		Restart the AC. If it repeats, the fan motor or PCB needs professional testing.
E3 – Indoor coil temperature sensor fault
ODU Light Flash: 28		Restart the unit. Have the sensor tested if the error stays.
E4 – Indoor ambient temperature sensor fault
ODU Light Flash: 29		Restart the AC. Get the room sensor tested by a technician if needed.
E0 – Outdoor EE fault
ODU Light Flash: 1		Turn off the mains power for a few minutes and restart. Call a technician if unresolved.
E6 – Indoor and outdoor communication fault
ODU Light Flash: 2		Check wiring between indoor and outdoor units. Call a technician if the error stays.
E8 – Outdoor communication fault
ODU Light Flash: /		Inspect outdoor unit wiring and connections. Contact a technician if it continues.
F1 – Compressor starting abnormal (phase failure or reverse)
ODU Light Flash: 4		Check power supply phase and wiring. Needs a technician visit.
F2 – Compressor out-of-step fault
ODU Light Flash: 5		Turn off AC and restart after a few minutes. Call a technician if it repeats.
F3 – IPM module fault
ODU Light Flash: 6		Do not keep restarting. Call a technician to inspect the module.
F4 – Compressor shell roof fault/protection
ODU Light Flash: 7		Let the compressor cool down. Get it checked by a technician.
F5 – Discharge temperature sensor fault
ODU Light Flash: 8		Restart the AC. Have the sensor tested if the fault continues.
F6 – Suction temperature sensor fault
ODU Light Flash: 9		Restart the unit. Sensor needs technician inspection if it repeats.
F7 – Outdoor coil temperature sensor fault
ODU Light Flash: 10		Clean the outdoor unit. Call a technician if the code stays.
F8 – Outdoor ambient temperature sensor fault
ODU Light Flash: 11		Restart the AC. Get the outdoor sensor tested if needed.
F9 – Outdoor DC fan fault
ODU Light Flash: 12		Check the outdoor fan for obstruction. Call a technician if it doesn’t spin.
P1 – Outdoor machine AC current protection
ODU Light Flash: 13		Check power supply and outdoor unit load. Call a technician if it trips again.
P2 – Compressor phase current protection
ODU Light Flash: 14		Get wiring and compressor checked by a technician.
P3 – Outdoor unit over-high/over-low AC voltage protection
ODU Light Flash: 15		Check voltage supply. Use a stabilizer if voltage is unstable.
P4 – DC voltage over-high or over-low voltage protection
ODU Light Flash: 16		Check power supply stability. Call a technician if it persists.
P5 – IPM over-high temperature protection
ODU Light Flash: 17		Let the unit cool down and clean the outdoor coil. Call a technician if it repeats.
P6 – Discharge temperature overheat protection
ODU Light Flash: 18		Clean the coils and check refrigerant level. Technician visit needed.
P7 – Cooling indoor coil anti-freezing protection
ODU Light Flash: 19		Check for low airflow or dirty filter. Clean filter and restart.
P8 – Cooling outdoor coil overheat protection
ODU Light Flash: 20		Clean the outdoor unit and check for blocked airflow.
P9 – Heating indoor coil overheat protection
ODU Light Flash: 21		Restart AC. Call a technician if the fault stays.
PC – Cooling outdoor ambient temperature over-low protection
ODU Light Flash: 22		Normal in very cold weather. Call a technician if it occurs in normal conditions.
PH – Heating outdoor ambient temperature over-high protection
ODU Light Flash: 23		Normal in very hot weather. Call a technician if it appears otherwise.
L1 – Drive bus voltage over-high protection
ODU Light Flash: 31		Check power supply. Call a technician if the error repeats.
L2 – Drive bus voltage over-low protection
ODU Light Flash: 32		Check power supply. Call a technician if the error repeats.
L3 – Drive phase current overload fault
ODU Light Flash: 33		Get compressor and wiring checked by a technician.
L4 – Phase current sampling abnormal
ODU Light Flash: 34		Needs professional inspection of the PCB and wiring.

Note: These codes and ODU light flash counts apply to Electrolux inverter split AC models. The IDU display shows the error code automatically whenever a fault occurs. Non-inverter or window AC models may use fewer codes or different blinking patterns.

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    TL;DR:

    • Electrolux AC codes fall into fault codes (E and F series) and protection codes (P and L series).
    • The IDU display and ODU light flash count together confirm the exact error as per the official manual.
    • Sensor faults (room, coil, discharge, suction, or ambient) are among the most common causes.
    • Fan motor issues, like weak capacitors or burnt windings, often trigger E1, F9, or related codes.
    • Loose or damaged wiring between indoor and outdoor units causes communication faults like E6 and E8.
    • Voltage fluctuation or a missing stabilizer commonly triggers P3, P4, L1, and L2 protection codes.
    • Compressor problems, such as phase failure or overheating, lead to F1, F4, and P1 codes.
    • Dirty filters, blocked airflow, or low refrigerant often cause coil freezing or overheating protection codes.
    • Some issues, like startup creaking or mild condensation, are normal and need no repair.
    • Avoid repeated restarts for compressor, PCB, or voltage-related codes, and call Urban Service Plaza for professional diagnosis if the error persists.

    Electrolux AC Error Code Explanation With Possible Solutions

    electrolux ac

    EE – Indoor Machine EE Fault

    What Causes This Error: This error points to a fault in the indoor unit’s EEPROM, the memory chip that stores the AC’s operating settings, and it usually appears after a power surge, a firmware glitch, or PCB damage.

    How to Fix The Error:

    • Turn off the AC and switch off the main power for 5 minutes.
    • Restart the unit and check if the code clears.
    • If it returns, have a technician inspect or replace the indoor PCB.

    E1 – Indoor Fan Fault

    What Causes This Error: This code shows up when the indoor blower fan does not spin properly, often due to a weak capacitor, worn bearings, loose wiring, or a burnt fan motor winding.

    How to Fix The Error:

    • Check if the fan is blocked or rotates hard by hand.
    • Get the capacitor tested and replaced if weak.
    • Have a technician inspect the motor winding and PCB output if the fan still won’t turn.

    E2 – Indoor Fan Zero-Crossing Detection Abnormal

    What Causes This Error: The PCB uses a zero-crossing signal to track fan motor speed accurately, and this error appears when that signal is missing or irregular due to a faulty sensor circuit or damaged PCB component.

    How to Fix The Error:

    • Restart the AC to rule out a temporary glitch.
    • If the error repeats, have a technician test the PCB’s zero-crossing detection circuit.
    • Replace the PCB if the fault confirms.

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    E3 – Indoor Coil Temperature Sensor Fault

    What Causes This Error: A faulty coil sensor cannot send correct resistance values to the PCB, so it fails to track evaporator coil temperature properly, often due to sensor damage or a loose connector.

    How to Fix The Error:

    • Turn off the AC and check the sensor wire connection.
    • Test sensor resistance with a multimeter in ice water and warm conditions.
    • Replace the sensor if resistance does not change smoothly.

    E4 – Indoor Ambient Temperature Sensor Fault

    What Causes This Error: This fault occurs when the room temperature sensor gives an incorrect or no reading, which can happen due to sensor wear, disconnection, or exposure to moisture.

    How to Fix The Error:

    • Restart the unit and observe if the fault clears.
    • Check sensor wiring for looseness or corrosion.
    • Have the sensor tested and replaced by a technician if faulty.

    E0 – Outdoor EE Fault

    What Causes This Error: Similar to the EE fault, but this one affects the outdoor unit’s memory chip, usually triggered by voltage spikes, incorrect wiring, or PCB damage in the outdoor unit.

    How to Fix The Error:

    • Turn off mains power for several minutes and restart the AC.
    • Check for loose or damaged outdoor wiring.
    • Call a technician to inspect or replace the outdoor PCB if the code persists.

    E6 – Indoor and Outdoor Machine Communication Fault

    What Causes This Error: This appears when the indoor and outdoor units cannot exchange signals properly, commonly caused by loose connecting wires, damaged communication cables, or a faulty PCB on either unit.

    How to Fix The Error:

    • Check and tighten wiring between the indoor and outdoor units.
    • Inspect cables for cuts, corrosion, or looseness.
    • Get the PCB tested by a technician if wiring checks out fine.

    F1 – Compressor Starting Abnormal (Phase Failure, Reverse)

    What Causes This Error: This fault triggers when the compressor fails to start correctly due to incorrect phase sequence, phase failure, low voltage, or a weak starting capacitor.

    How to Fix The Error:

    • Check the power supply phase and voltage stability.
    • Inspect wiring connections at the compressor terminal.
    • Have a technician test and replace the capacitor or correct wiring if needed.

    F2 – Compressor Out-of-Step Fault

    What Causes This Error: This occurs when the compressor motor loses synchronization during operation, often linked to voltage fluctuation, an aging compressor, or electrical load issues.

    How to Fix The Error:

    • Turn off the AC and restart after a few minutes.
    • Check for stable voltage supply using a stabilizer if needed.
    • Call a technician if the fault returns, as the compressor may need testing.

    F3 – IPM Module Fault

    What Causes This Error: The Intelligent Power Module (IPM) controls compressor speed in inverter ACs, and this fault appears when the module overheats, shorts, or fails internally.

    How to Fix The Error:

    • Avoid repeated restarts, as this can worsen module damage.
    • Check outdoor unit ventilation and cleanliness.
    • Have a qualified technician inspect and replace the IPM module if faulty.

    F4 – Compressor Shell Roof Fault/Protection

    What Causes This Error: This protection activates when the compressor’s outer shell temperature rises beyond a safe limit, usually from overheating due to blocked airflow, low refrigerant, or continuous heavy operation.

    How to Fix The Error:

    • Turn off the AC and let the compressor cool down.
    • Clean the outdoor unit and check for blocked airflow.
    • Get refrigerant levels checked by a technician if overheating continues.

    F5 – Discharge Temperature Sensor Fault

    What Causes This Error: This fault appears when the discharge line sensor, which monitors refrigerant gas temperature leaving the compressor, gives a faulty or missing reading due to sensor damage or wiring issues.

    How to Fix The Error:

    • Restart the AC to check if the error clears.
    • Inspect the sensor wiring for looseness or damage.
    • Have the sensor tested and replaced by a technician if the fault repeats.

    F6 – Suction Temperature Sensor Fault

    What Causes This Error: This occurs when the suction line sensor fails to send accurate temperature data to the PCB, often due to sensor wear, disconnection, or moisture damage.

    How to Fix The Error:

    • Restart the unit and monitor for recurrence.
    • Check sensor connections and wiring conditions.
    • Replace the sensor if it fails a resistance test.

    F7 – Outdoor Coil Temperature Sensor Fault

    What Causes This Error: A faulty outdoor coil sensor cannot accurately track condenser coil temperature, which can result from sensor damage, dirt buildup, or a loose connector.

    How to Fix The Error:

    • Clean the outdoor unit and check the sensor for physical damage.
    • Verify sensor wiring connections are secure.
    • Have a technician test and replace the sensor if needed.

    F8 – Outdoor Ambient Temperature Sensor Fault

    What Causes This Error: This fault appears when the sensor measuring outside air temperature malfunctions, often due to wear, exposure to weather, or a damaged connector.

    How to Fix The Error:

    • Restart the AC and check if the fault clears.
    • Inspect the sensor for physical damage or corrosion.
    • Get the outdoor sensor tested and replaced by a technician if required.

    F9 – Outdoor DC Fan Fault

    What Causes This Error: This occurs when the outdoor DC fan motor fails to operate correctly, commonly due to a burnt motor winding, damaged wiring, or a faulty PCB driver circuit.

    How to Fix The Error:

    • Check if the outdoor fan is blocked or jammed.
    • Inspect motor wiring for damage.
    • Have a technician test the motor and PCB output if the fan doesn’t run.

    E8 – Outdoor Communication Fault

    What Causes This Error: This fault triggers when the outdoor unit cannot properly send or receive signals to the indoor unit, usually from damaged communication wires or a faulty outdoor PCB.

    How to Fix The Error:

    • Inspect and tighten communication wiring between units.
    • Check for cable damage or corrosion at connectors.
    • Call a technician to test the outdoor PCB if wiring is intact.

    P1 – Outdoor Machine AC Current Protection

    What Causes This Error: This protection activates when the outdoor unit draws excess current, often due to voltage issues, a failing compressor, or electrical overload.

    How to Fix The Error:

    • Check the power supply and voltage stability.
    • Clean the outdoor unit to reduce compressor load.
    • Have a technician inspect the compressor and wiring if the error repeats.

    P2 – Compressor Phase Current Protection

    What Causes This Error: This appears when the compressor draws abnormal current on one or more phases, which can result from phase imbalance, wiring faults, or compressor wear.

    How to Fix The Error:

    • Check power supply phases for stability.
    • Inspect compressor wiring connections.
    • Have a technician test the compressor if the fault continues.

    P3 – Outdoor Unit Over-High/Over-Low AC Voltage Protection

    What Causes This Error: This protection triggers when incoming AC voltage goes above or below the safe operating range, commonly due to grid fluctuations or an unstable power supply.

    How to Fix The Error:

    • Check the voltage supply with a multimeter.
    • Install or check a voltage stabilizer suited to your AC’s tonnage.
    • Contact an electrician if voltage remains unstable.

    P4 – DC Voltage Over-High or Over-Low Voltage Protection

    What Causes This Error: This fault occurs when the internal DC voltage supplied to the inverter compressor circuit falls outside safe limits, often linked to PCB issues or unstable input power.

    How to Fix The Error:

    • Check the main power supply for stability.
    • Restart the AC after a few minutes.
    • Have a technician inspect the PCB if the fault persists.

    P5 – IPM Over-High Temperature Protection

    What Causes This Error: This protection activates when the IPM module overheats, usually from poor ventilation, dirty outdoor coils, or prolonged heavy compressor load.

    How to Fix The Error:

    • Turn off the AC and let it cool down.
    • Clean the outdoor coil and improve airflow around the unit.
    • Call a technician if the fault returns after cooling.

    P6 – Discharge Temperature Overheat Protection

    What Causes This Error: This appears when refrigerant gas temperature at the compressor discharge line rises too high, often due to low refrigerant, dirty coils, or poor heat dissipation.

    How to Fix The Error:

    • Clean the outdoor condenser coil.
    • Check refrigerant levels with a technician.
    • Ensure proper airflow around the outdoor unit.

    P7 – Cooling Indoor Coil Anti-Freezing Protection

    What Causes This Error: This protection triggers when the indoor evaporator coil risks freezing, usually caused by low airflow from a dirty filter, blocked vents, or a weak blower fan.

    How to Fix The Error:

    • Clean or replace the air filter.
    • Check for blocked air vents or a slow blower fan.
    • Restart the AC once airflow improves.

    P8 – Cooling Outdoor Coil Overheat Protection

    What Causes This Error: This fault occurs when the outdoor condenser coil overheats during cooling mode, often from dirt buildup, blocked airflow, or a weak outdoor fan.

    How to Fix The Error:

    • Clean the outdoor unit and coil fins.
    • Check the outdoor fan for proper rotation.
    • Ensure the outdoor unit has enough clearance for airflow.

    P9 – Heating Indoor Coil Overheat Protection

    What Causes This Error: This protection activates when the indoor coil temperature rises too high during heating mode, which can happen due to blocked airflow or a malfunctioning sensor.

    How to Fix The Error:

    • Check for blocked air filters or vents.
    • Restart the AC and monitor if the fault clears.
    • Have a technician inspect the sensor and airflow path if it repeats.

    PC – Cooling Outdoor Ambient Temperature Over-Low Protection

    What Causes This Error: This protection appears when outdoor temperature drops too low for the compressor to operate safely in cooling mode, which is often a normal safety response in cold weather.

    How to Fix The Error:

    • Confirm if this occurs during unusually cold weather, which is expected behavior.
    • If it appears in normal temperatures, call a technician to check the outdoor sensor.
    • Avoid running the AC in cooling mode during extreme cold.

    PH – Heating Outdoor Ambient Temperature Over-High Protection

    What Causes This Error: This protection triggers when outdoor temperature is too high for safe heating mode operation, generally a built-in safeguard rather than a fault.

    How to Fix The Error:

    • Check if this happens during unusually hot weather, which is normal.
    • If it occurs in moderate conditions, have a technician check the outdoor sensor.
    • Use the AC in the correct mode for current weather conditions.

    L1 – Drive Bus Voltage Over-High Protection

    What Causes This Error: This fault appears when the internal drive circuit voltage exceeds safe limits, often due to voltage spikes or an unstable power supply reaching the outdoor unit.

    How to Fix The Error:

    • Check power supply stability and voltage levels.
    • Use a stabilizer if voltage fluctuates frequently.
    • Have a technician inspect the PCB if the fault continues.

    L2 – Drive Bus Voltage Over-Low Protection

    What Causes This Error: This occurs when the internal drive circuit voltage drops below the safe operating range, commonly linked to low incoming voltage or wiring issues.

    How to Fix The Error:

    • Check the main power supply and wiring connections.
    • Install a stabilizer if low voltage is frequent in your area.
    • Call a technician if the error persists after checking the power supply.

    L3 – Drive Phase Current Overload Fault

    What Causes This Error: This fault triggers when the compressor draws excess current on one of its phases, often from compressor strain, wiring faults, or electrical overload.

    How to Fix The Error:

    • Check wiring connections at the compressor terminal.
    • Clean the outdoor unit to reduce compressor load.
    • Have a technician test the compressor if overload continues.

    L4 – Phase Current Sampling Abnormal

    What Causes This Error: This appears when the PCB cannot accurately read compressor phase current, usually due to a faulty current sensor or damaged PCB component.

    How to Fix The Error:

    • Restart the AC to rule out a temporary glitch.
    • Check for loose or damaged PCB connections.
    • Have a technician inspect and replace the PCB if the fault repeats.

    Troubleshoot for Most Common Electrolux AC Problems

    electrolux ac 2

    Creaking Noise Can Be Heard When Starting or Stopping the AC

    This is caused by the deformation of plastic parts due to temperature changes and is considered normal.

    Possible Causes:

    • Plastic panels and internal parts expand and contract as they heat up or cool down during startup and shutdown.

    What to Do:

    • No action is needed, as this is a normal part of AC operation and does not indicate any fault.

    The AC Unit Does Not Run

    Possible Causes:

    • The power supply may be shut off, or the plug may not be properly connected to the socket.
    • The circuit protection device, such as an MCB, may have tripped due to overload or wiring faults.
    • Supply voltage may be too high or too low for the AC to start safely.
    • The timer may be set incorrectly, delaying the AC’s startup.

    What to Do:

    • Check the main power supply and ensure the plug is firmly connected.
    • Reset the circuit breaker if it has tripped, and get a professional to check voltage stability.
    • Review and correct the timer settings on the remote.

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    Cooling or Heating Performance Is Poor

    Possible Causes:

    • Incorrect temperature settings, blocked vents, or a dirty air filter can restrict airflow and reduce cooling efficiency.
    • Open windows or doors, low fan speed, or heat sources inside the room can also work against the AC’s cooling capacity.

    What to Do:

    • Set an appropriate temperature, clean or replace the air filter, and clear any blocked vents.
    • Close windows and doors, increase fan speed, and remove unnecessary heat sources from the room.

    Wireless Remote Control Is Not Working

    Possible Causes:

    • Electrical interference or frequent switching can temporarily disrupt the remote’s signal to the AC.
    • Weak or dead batteries, dust on the IR sensor, or objects blocking the signal path are common culprits.

    What to Do:

    • Unplug the AC and reconnect the power to reset the system, then try the remote again.
    • Replace the batteries, clean the remote and AC sensors, and make sure there is a clear line of sight between them.

    Water Is Leaking Indoors From the AC

    Possible Causes:

    • High indoor humidity can cause excessive condensation on the indoor unit.
    • A loose pipe connection or blocked drain line can cause water to overflow into the room instead of draining outside.

    What to Do:

    • Check and tighten the indoor unit’s pipe connections.
    • Clean the drain line and filter regularly, and call a technician if leakage continues after basic checks.

    Water Is Leaking From the Outdoor Unit

    Possible Causes:

    • During cooling mode, condensation naturally forms on the outdoor pipe connection due to the temperature difference.
    • During automatic defrost mode, melted ice drains out from the outdoor unit as part of normal operation.

    What to Do:

    • No action is needed if the leakage is minor and stops once the AC completes its cycle.
    • Contact a technician only if water leakage from the outdoor unit is excessive or continuous.

    Noise Is Coming From the Indoor Unit

    Possible Causes:

    • The sound may come from the fan or compressor relay switching on and off during normal operation.
    • During defrosting, refrigerant flows in the reverse direction, which can cause a switching noise from the compressor.

    What to Do:

    • No action is needed, as this noise is a normal part of the AC’s operating cycle.
    • If the noise becomes unusually loud or continuous, have a technician inspect the unit.

    The Indoor Unit Does Not Blow Air

    Possible Causes:

    • In dehumidifying (Dry) mode, the indoor fan may stop temporarily to prevent condensed water from re-vaporizing into the room.

    What to Do:

    • No action is needed, as this is a normal part of Dry mode operation.
    • If airflow does not resume once the AC switches back to Cool or Fan mode, have the unit checked by a technician.

    Moisture Appears on the Air Outlet Vent

    Possible Causes:

    • Long operation in a highly humid environment can cause moisture to condense on the vent and drip.

    What to Do:

    • No action is needed, as this is a normal reaction to high humidity conditions.
    • Wipe away excess moisture with a dry cloth if it becomes bothersome.

    Error codes make AC troubleshooting faster by pointing to the exact problem instead of leaving you guessing. Start with simple steps first: power reset, filter cleaning, and checking airflow around indoor and outdoor units.

    If compressor, PCB, or voltage-related codes like F1, F3, or P3 appear, avoid restarting the unit repeatedly, as this can worsen the damage. If the same error returns or the AC keeps malfunctioning, get professional diagnosis promptly to prevent costlier repairs.

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