Electrolux Air Conditioners Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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CF
Display shows CF after extended use, unit still operates
Filter Cleaning Reminder
E0
Display shows E0 and unit may not respond to remote
Indoor Unit EEPROM / Configuration Error
E1
Unit will not run, display shows E1 shortly after power-up
Indoor Ambient Temperature Sensor Fault
E2
Unit stops cooling and displays E2 after running for a short time
Evaporator Coil Temperature Sensor Fault
E3
Outdoor unit does not start or stops shortly after starting, indoor unit shows E3
Outdoor Unit Communication Failure
E4
Unit stops and displays E4, often during heating or defrost cycles
High-Pressure Protection / Overload Protection
E5
Unit does not start compressor, E5 displayed on indoor unit
Overcurrent Protection / Compressor Overload
E6
Indoor unit shows E6, outdoor unit does not respond or runs erratically
Indoor-Outdoor Communication Error / Mismatched Units
E7
Indoor unit displays E7 and may not respond to remote commands
Indoor Fan Motor Fault / Feedback Error
E8
Unit stops and displays E8, often during cooling in very hot weather
Low-Pressure Protection / Refrigerant System Underload
E9
Unit displays E9 and may shut down unexpectedly
EEPROM / Memory Error on Control Board
EC
Unit displays EC and stops cooling
Refrigerant Leak Detection / Low Refrigerant Protection
F0
Unit shows F0 and does not cool properly
Refrigerant System Fault / Sensor-Detected Abnormality
F1
Display shows F1, unit may run but with poor temperature control
Indoor Ambient Sensor Out of Range
F2
Display shows F2, unit may stop during cooling
Evaporator Sensor Out of Range
F3
Display shows F3, unit may stop heating or cooling
Outdoor Ambient Temperature Sensor Fault
F4
Display shows F4, outdoor unit may shut down
Outdoor Condenser Coil Sensor Fault
H1
Display shows H1, unit does not blow warm air immediately in heating mode
Defrost / Preheating Indication (Protection Mode)
H3
Unit stops and displays H3, often during heavy load
Compressor Overheat Protection
H5
Unit displays H5 and stops operation
IPM / Inverter Module Protection
P0
Unit displays P0 and may not start compressor
DC Bus Voltage Protection
P1
Unit displays P1 and stops operation, often in dehumidify or cooling mode
Water Tank Full / Condensate Drain Protection (Portable & Window Units)
P2
Portable AC shows P2 and stops cooling
Bottom Tray Full / High Water Level
P4
Portable AC displays P4 and stops operation
Overheat Protection / Exhaust Blockage (Portable Units)
Symptom
Air conditioner runs but does not cool the room effectively
Insufficient Cooling Capacity / Performance Loss
Symptom
Burning or electrical smell from indoor or outdoor unit
Overheating Electrical Component
Symptom
Frost or ice buildup on the indoor evaporator coil
Evaporator Icing
Symptom
Indoor unit fan does not run, but display and other functions appear normal
Indoor Fan Non-Operation
Symptom
Loud humming or grinding noise from outdoor unit
Outdoor Mechanical Noise
Symptom
Loud rattling or buzzing noise from indoor unit during operation
Indoor Mechanical Noise / Vibration
Symptom
Outdoor unit covered in ice during heating mode
Defrost System Failure
Symptom
Outdoor unit fan does not run while compressor is operating
Outdoor Fan Non-Operation
Symptom
Remote control does not operate the unit reliably
Remote Communication / IR Reception Issue
Symptom
Strong musty or moldy smell when the unit starts
Biological Contamination / Mold in Evaporator and Drain
Symptom
Unit blows air but temperature is inconsistent or overshoots setpoint
Poor Temperature Regulation
Symptom
Unit does not turn on at all, no lights or display
No Power / Dead Unit
Symptom
Unit frequently turns on and off (short cycling)
Short Cycling / Control Instability
Symptom
Unit has power but will not start cooling when commanded
Control / Start-Up Failure
Symptom
Water dripping from the indoor unit front panel or onto the wall
Indoor Unit Water Leakage
Symptom
Water leaking from outdoor unit or excessive dripping
Outdoor Condensate / Defrost Water Management Issue
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Display shows CF after extended use, unit still operates
|
Filter Cleaning Reminder | View Details |
| E0 |
Display shows E0 and unit may not respond to remote
|
Indoor Unit EEPROM / Configuration Error | View Details |
| E1 |
Unit will not run, display shows E1 shortly after power-up
|
Indoor Ambient Temperature Sensor Fault | View Details |
| E2 |
Unit stops cooling and displays E2 after running for a short time
|
Evaporator Coil Temperature Sensor Fault | View Details |
| E3 |
Outdoor unit does not start or stops shortly after starting, indoor unit shows E3
|
Outdoor Unit Communication Failure | View Details |
| E4 |
Unit stops and displays E4, often during heating or defrost cycles
|
High-Pressure Protection / Overload Protection | View Details |
| E5 |
Unit does not start compressor, E5 displayed on indoor unit
|
Overcurrent Protection / Compressor Overload | View Details |
| E6 |
Indoor unit shows E6, outdoor unit does not respond or runs erratically
|
Indoor-Outdoor Communication Error / Mismatched Units | View Details |
| E7 |
Indoor unit displays E7 and may not respond to remote commands
|
Indoor Fan Motor Fault / Feedback Error | View Details |
| E8 |
Unit stops and displays E8, often during cooling in very hot weather
|
Low-Pressure Protection / Refrigerant System Underload | View Details |
| E9 |
Unit displays E9 and may shut down unexpectedly
|
EEPROM / Memory Error on Control Board | View Details |
| EC |
Unit displays EC and stops cooling
|
Refrigerant Leak Detection / Low Refrigerant Protection | View Details |
| F0 |
Unit shows F0 and does not cool properly
|
Refrigerant System Fault / Sensor-Detected Abnormality | View Details |
| F1 |
Display shows F1, unit may run but with poor temperature control
|
Indoor Ambient Sensor Out of Range | View Details |
| F2 |
Display shows F2, unit may stop during cooling
|
Evaporator Sensor Out of Range | View Details |
| F3 |
Display shows F3, unit may stop heating or cooling
|
Outdoor Ambient Temperature Sensor Fault | View Details |
| F4 |
Display shows F4, outdoor unit may shut down
|
Outdoor Condenser Coil Sensor Fault | View Details |
| H1 |
Display shows H1, unit does not blow warm air immediately in heating mode
|
Defrost / Preheating Indication (Protection Mode) | View Details |
| H3 |
Unit stops and displays H3, often during heavy load
|
Compressor Overheat Protection | View Details |
| H5 |
Unit displays H5 and stops operation
|
IPM / Inverter Module Protection | View Details |
| P0 |
Unit displays P0 and may not start compressor
|
DC Bus Voltage Protection | View Details |
| P1 |
Unit displays P1 and stops operation, often in dehumidify or cooling mode
|
Water Tank Full / Condensate Drain Protection (Portable & Window Units) | View Details |
| P2 |
Portable AC shows P2 and stops cooling
|
Bottom Tray Full / High Water Level | View Details |
| P4 |
Portable AC displays P4 and stops operation
|
Overheat Protection / Exhaust Blockage (Portable Units) | View Details |
| – |
Air conditioner runs but does not cool the room effectively
|
Insufficient Cooling Capacity / Performance Loss | View Details |
| – |
Burning or electrical smell from indoor or outdoor unit
|
Overheating Electrical Component | View Details |
| – |
Frost or ice buildup on the indoor evaporator coil
|
Evaporator Icing | View Details |
| – |
Indoor unit fan does not run, but display and other functions appear normal
|
Indoor Fan Non-Operation | View Details |
| – |
Loud humming or grinding noise from outdoor unit
|
Outdoor Mechanical Noise | View Details |
| – |
Loud rattling or buzzing noise from indoor unit during operation
|
Indoor Mechanical Noise / Vibration | View Details |
| – |
Outdoor unit covered in ice during heating mode
|
Defrost System Failure | View Details |
| – |
Outdoor unit fan does not run while compressor is operating
|
Outdoor Fan Non-Operation | View Details |
| – |
Remote control does not operate the unit reliably
|
Remote Communication / IR Reception Issue | View Details |
| – |
Strong musty or moldy smell when the unit starts
|
Biological Contamination / Mold in Evaporator and Drain | View Details |
| – |
Unit blows air but temperature is inconsistent or overshoots setpoint
|
Poor Temperature Regulation | View Details |
| – |
Unit does not turn on at all, no lights or display
|
No Power / Dead Unit | View Details |
| – |
Unit frequently turns on and off (short cycling)
|
Short Cycling / Control Instability | View Details |
| – |
Unit has power but will not start cooling when commanded
|
Control / Start-Up Failure | View Details |
| – |
Water dripping from the indoor unit front panel or onto the wall
|
Indoor Unit Water Leakage | View Details |
| – |
Water leaking from outdoor unit or excessive dripping
|
Outdoor Condensate / Defrost Water Management Issue | View Details |
No matching codes found
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