AEG Humidifiers & Dehumidifiers Error Codes

E1

Dehumidifier will not start and displays E1 on the control panel.

Room Temperature Sensor Fault

E2

Dehumidifier stops and displays E2; the fan may still run briefly.

Evaporator Coil Temperature Sensor Fault

E3

Dehumidifier shows E3, and the compressor does not start.

Humidity Sensor (RH Sensor) Fault

E4

Dehumidifier displays E4 and shuts down, often after running for a short time.

Refrigerant System / High or Low Pressure Protection

E5

Dehumidifier shows E5, and the compressor will not start.

Compressor Overload / Overcurrent Protection

E6

Dehumidifier displays E6, and controls are unresponsive or erratic.

Control Panel / Keypad Communication Error

E7

Dehumidifier shows E7 and stops operation, often related to the water tank.

Water Level Sensor / Float Switch Error

E8

Dehumidifier displays E8, and the fan does not run or runs briefly then stops.

Fan Motor / Fan Feedback Error

E9

Dehumidifier shows E9 and stops, often after a power event.

EEPROM / Memory Error

EC

Dehumidifier displays EC and stops dehumidifying.

Refrigerant Leak / Cooling System Error

F0

Dehumidifier displays F0 and does not dehumidify.

Low Refrigerant / System Inefficiency Detected

F1

Dehumidifier shows F1 and stops dehumidifying; the fan may still run.

Defrost Sensor / Defrost Cycle Fault

F2

Dehumidifier displays F2 and will not start, often after being moved.

Tilt / Position Sensor Error

F3

Dehumidifier shows F3 and stops, even though the water tank is not full.

Tank Present / Tank Position Switch Fault

F4

Dehumidifier displays F4 and does not respond to Wi-Fi or app control (for connected models).

Wi-Fi Module / Communication Error

H1

Dehumidifier shows H1 and runs continuously without reaching the set humidity.

Humidity Sensor Calibration / Out-of-Range Error

H2

Dehumidifier displays H2 and shuts down intermittently.

Overheat Protection / High Temperature Fault

LC

Dehumidifier displays LC and buttons do not respond.

Child Lock / Control Lock Active

P1

Dehumidifier displays P1 and stops; the water tank may be full.

Water Tank Full Protection Activated

P2

Dehumidifier displays P2 and stops dehumidifying, often in low temperatures.

Defrost Mode Active / Low Temperature Protection

Symptom

Dehumidifier auto-restart or timer functions do not work correctly.

Timer / Auto-Restart Logic Fault

Symptom

Dehumidifier coils freeze over completely during operation.

Evaporator Icing / Defrost Failure

Symptom

Dehumidifier display works but buttons do not respond.

Keypad / Button Failure

Symptom

Dehumidifier does not power on at all; no lights or display.

No Power / Power Supply Failure

Symptom

Dehumidifier emits a musty or moldy smell from the air outlet.

Microbial Growth in Water System and Coils

Symptom

Dehumidifier fan does not run; the compressor may start and then stop.

Fan Motor Failure

Symptom

Dehumidifier humidifier mode (for combo units) does not produce mist or increase humidity.

Humidification Failure (Combo Humidifier/Dehumidifier)

Symptom

Dehumidifier leaks water onto the floor.

Water Leakage / Drainage Fault

Symptom

Dehumidifier powers on but the compressor never starts; only the fan runs.

Compressor Start Failure

Symptom

Dehumidifier produces a burning or electrical smell.

Overheating Electrical Component

Symptom

Dehumidifier runs but does not collect water; the room remains humid.

Refrigeration System Underperformance

Symptom

Dehumidifier runs but makes loud rattling or grinding noises.

Mechanical Vibration / Fan or Compressor Noise

Symptom

Dehumidifier short-cycles, turning on and off every few minutes.

Control or Overload Cycling

Symptom

Dehumidifier shows incorrect humidity compared to a separate hygrometer.

Humidity Reading Inaccuracy

Symptom

Dehumidifier stops frequently and indicates 'tank full' even when the tank is empty.

False Tank Full Detection

Symptom

Dehumidifier vibrates excessively and may move on the floor.

Excessive Vibration / Imbalance