AEG Air Conditioners Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
Advertisements
E1
Indoor unit stops and displays E1; cooling or heating stops shortly after startup.
Indoor Room Temperature Sensor (NTC) Fault
E2
Indoor unit shows E2 and stops; unit may start then shut down after a short time, often during cooling.
Indoor Evaporator Coil Temperature Sensor Fault
E3
Outdoor unit does not start; indoor unit may run fan only and display E3.
Outdoor Coil Temperature Sensor Fault
E4
Unit stops and displays E4; may occur during heating or defrost cycles.
Indoor/Outdoor Communication Error
E5
Unit attempts to start but quickly stops and shows E5; compressor may not run.
Overcurrent or Overload Protection Trip
E6
Indoor unit displays E6; compressor does not start or stops shortly after starting.
Compressor Start Failure / Inverter Drive Fault
E7
Indoor unit shows E7; louvre may not move or may be stuck in one position.
Indoor Airflow or Swing Motor Fault
E8
Unit stops with E8; may be accompanied by reduced airflow and ice on the indoor coil.
Indoor Fan Motor or Fan Feedback Fault
E9
Unit displays E9 and stops; may occur during heating mode on some AEG models.
Indoor Condensate Overflow / Float Switch Alarm
EC
EC displayed; unit may run briefly then stop with no effective cooling or heating.
Refrigerant Leak Detection / Low Refrigerant Protection
EE
EE displayed; unit may not respond to remote or may operate erratically.
Indoor PCB General Error / Self-diagnosis Failure
F0
Display shows F0; unit may not start or may shut down unexpectedly.
Indoor EEPROM / Memory Error
F1
F1 displayed; unit may run but with poor temperature control or may stop intermittently.
Ambient Temperature Sensor (Panel Sensor) Fault
F2
F2 error; unit may stop during heating or show incorrect defrost behaviour.
Outdoor Ambient or Coil Sensor Fault (Model-dependent)
F3
F3 displayed; unit may run fan only or stop cooling/heating.
Outdoor Fan Motor Fault
F4
F4 error; unit may stop with no cooling or heating, often after running for some time.
Discharge Pipe Temperature Sensor Fault
F5
F5 displayed; unit may shut down during extreme temperatures or heavy load.
High or Low Pressure Protection (Model-dependent)
H1
H1 appears on the display and heating stops temporarily.
Defrost Mode Indication (Not a Fault on Many Models)
H3
H3 displayed; unit stops and may not restart until power is cycled.
Compressor Overload Protection / Overheat
H5
H5 error; unit may not start or may shut down shortly after startup.
IPM (Intelligent Power Module) or Inverter Protection
P0
P0 displayed; unit may limit output or stop intermittently.
DC Bus Voltage Protection
P1
P1 error; unit may not start or may shut down under heavy load.
Indoor/Outdoor Voltage or Current Mismatch (Model-dependent)
P2
P2 displayed on portable AEG air conditioners; unit stops cooling and may beep.
Water Tank Full / Condensate Tank Alarm (Portable Units)
P4
P4 displayed; unit may stop and restart after some time.
Indoor Coil High Temperature Protection (Cooling) or Low Temperature Protection (Heating) – Model-dependent
Symptom
Air conditioner runs but does not cool the room effectively
Insufficient Cooling Capacity / Performance Loss
Symptom
Air conditioner runs but does not heat the room effectively in HEAT mode
Insufficient Heating Capacity / Heat Pump Performance Loss
Symptom
Airflow from indoor unit is very weak even on high fan speed
Restricted Airflow Through Indoor Unit
Symptom
Frost or ice forming on the indoor coil or air outlet
Evaporator Coil Icing
Symptom
Frost or ice forming on the outdoor coil in cooling mode
Outdoor Coil Icing (Cooling)
Symptom
Indoor unit blows air but temperature fluctuates widely or overshoots setpoint
Poor Temperature Control / Thermostat Sensing Issue
Symptom
Indoor unit does not turn on at all (no lights, no response)
No Power to Indoor Unit
Symptom
Indoor unit emits a musty or mouldy smell when starting
Biological Growth on Evaporator Coil and Drain Pan
Symptom
Indoor unit has power but will not start cooling or heating when commanded
Control or Start-up Failure
Symptom
Indoor unit louvres do not move or are stuck in one position
Louvre Motor or Linkage Failure
Symptom
Indoor unit makes loud rattling or buzzing noises during operation
Mechanical Vibration or Loose Components
Symptom
Outdoor unit makes loud grinding, squealing, or rattling noises
Outdoor Fan or Compressor Mechanical Fault
Symptom
Remote control does not operate the indoor unit
Remote Control or IR Receiver Failure
Symptom
Unit emits a burning or electrical smell during operation
Overheating Electrical Component
Symptom
Unit frequently turns on and off (short cycling) without reaching set temperature
Short Cycling / Capacity or Control Issue
Symptom
Unit trips the circuit breaker when starting or during operation
Electrical Overload or Short Circuit
Symptom
Water dripping from the front of the indoor unit onto the wall or floor
Indoor Condensate Drain Blockage or Misrouting
Symptom
Water leaking from the outdoor unit or excessive water around base
Outdoor Condensate or Defrost Water Drainage Issue
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Indoor unit stops and displays E1; cooling or heating stops shortly after startup.
|
Indoor Room Temperature Sensor (NTC) Fault | View Details |
| E2 |
Indoor unit shows E2 and stops; unit may start then shut down after a short time, often during cooling.
|
Indoor Evaporator Coil Temperature Sensor Fault | View Details |
| E3 |
Outdoor unit does not start; indoor unit may run fan only and display E3.
|
Outdoor Coil Temperature Sensor Fault | View Details |
| E4 |
Unit stops and displays E4; may occur during heating or defrost cycles.
|
Indoor/Outdoor Communication Error | View Details |
| E5 |
Unit attempts to start but quickly stops and shows E5; compressor may not run.
|
Overcurrent or Overload Protection Trip | View Details |
| E6 |
Indoor unit displays E6; compressor does not start or stops shortly after starting.
|
Compressor Start Failure / Inverter Drive Fault | View Details |
| E7 |
Indoor unit shows E7; louvre may not move or may be stuck in one position.
|
Indoor Airflow or Swing Motor Fault | View Details |
| E8 |
Unit stops with E8; may be accompanied by reduced airflow and ice on the indoor coil.
|
Indoor Fan Motor or Fan Feedback Fault | View Details |
| E9 |
Unit displays E9 and stops; may occur during heating mode on some AEG models.
|
Indoor Condensate Overflow / Float Switch Alarm | View Details |
| EC |
EC displayed; unit may run briefly then stop with no effective cooling or heating.
|
Refrigerant Leak Detection / Low Refrigerant Protection | View Details |
| EE |
EE displayed; unit may not respond to remote or may operate erratically.
|
Indoor PCB General Error / Self-diagnosis Failure | View Details |
| F0 |
Display shows F0; unit may not start or may shut down unexpectedly.
|
Indoor EEPROM / Memory Error | View Details |
| F1 |
F1 displayed; unit may run but with poor temperature control or may stop intermittently.
|
Ambient Temperature Sensor (Panel Sensor) Fault | View Details |
| F2 |
F2 error; unit may stop during heating or show incorrect defrost behaviour.
|
Outdoor Ambient or Coil Sensor Fault (Model-dependent) | View Details |
| F3 |
F3 displayed; unit may run fan only or stop cooling/heating.
|
Outdoor Fan Motor Fault | View Details |
| F4 |
F4 error; unit may stop with no cooling or heating, often after running for some time.
|
Discharge Pipe Temperature Sensor Fault | View Details |
| F5 |
F5 displayed; unit may shut down during extreme temperatures or heavy load.
|
High or Low Pressure Protection (Model-dependent) | View Details |
| H1 |
H1 appears on the display and heating stops temporarily.
|
Defrost Mode Indication (Not a Fault on Many Models) | View Details |
| H3 |
H3 displayed; unit stops and may not restart until power is cycled.
|
Compressor Overload Protection / Overheat | View Details |
| H5 |
H5 error; unit may not start or may shut down shortly after startup.
|
IPM (Intelligent Power Module) or Inverter Protection | View Details |
| P0 |
P0 displayed; unit may limit output or stop intermittently.
|
DC Bus Voltage Protection | View Details |
| P1 |
P1 error; unit may not start or may shut down under heavy load.
|
Indoor/Outdoor Voltage or Current Mismatch (Model-dependent) | View Details |
| P2 |
P2 displayed on portable AEG air conditioners; unit stops cooling and may beep.
|
Water Tank Full / Condensate Tank Alarm (Portable Units) | View Details |
| P4 |
P4 displayed; unit may stop and restart after some time.
|
Indoor Coil High Temperature Protection (Cooling) or Low Temperature Protection (Heating) – Model-dependent | View Details |
| – |
Air conditioner runs but does not cool the room effectively
|
Insufficient Cooling Capacity / Performance Loss | View Details |
| – |
Air conditioner runs but does not heat the room effectively in HEAT mode
|
Insufficient Heating Capacity / Heat Pump Performance Loss | View Details |
| – |
Airflow from indoor unit is very weak even on high fan speed
|
Restricted Airflow Through Indoor Unit | View Details |
| – |
Frost or ice forming on the indoor coil or air outlet
|
Evaporator Coil Icing | View Details |
| – |
Frost or ice forming on the outdoor coil in cooling mode
|
Outdoor Coil Icing (Cooling) | View Details |
| – |
Indoor unit blows air but temperature fluctuates widely or overshoots setpoint
|
Poor Temperature Control / Thermostat Sensing Issue | View Details |
| – |
Indoor unit does not turn on at all (no lights, no response)
|
No Power to Indoor Unit | View Details |
| – |
Indoor unit emits a musty or mouldy smell when starting
|
Biological Growth on Evaporator Coil and Drain Pan | View Details |
| – |
Indoor unit has power but will not start cooling or heating when commanded
|
Control or Start-up Failure | View Details |
| – |
Indoor unit louvres do not move or are stuck in one position
|
Louvre Motor or Linkage Failure | View Details |
| – |
Indoor unit makes loud rattling or buzzing noises during operation
|
Mechanical Vibration or Loose Components | View Details |
| – |
Outdoor unit makes loud grinding, squealing, or rattling noises
|
Outdoor Fan or Compressor Mechanical Fault | View Details |
| – |
Remote control does not operate the indoor unit
|
Remote Control or IR Receiver Failure | View Details |
| – |
Unit emits a burning or electrical smell during operation
|
Overheating Electrical Component | View Details |
| – |
Unit frequently turns on and off (short cycling) without reaching set temperature
|
Short Cycling / Capacity or Control Issue | View Details |
| – |
Unit trips the circuit breaker when starting or during operation
|
Electrical Overload or Short Circuit | View Details |
| – |
Water dripping from the front of the indoor unit onto the wall or floor
|
Indoor Condensate Drain Blockage or Misrouting | View Details |
| – |
Water leaking from the outdoor unit or excessive water around base
|
Outdoor Condensate or Defrost Water Drainage Issue | View Details |
No matching codes found
Advertisements