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, fan may still run briefly

Evaporator Coil Temperature Sensor Fault

E3

Dehumidifier shows E3 and 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 will not start the compressor

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 water tank

Water Level Sensor / Float Switch Error

E8

Dehumidifier displays E8 and 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 shows 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, 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, 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 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 shows P1 and stops, 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, 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 compressor never starts, only fan runs

Compressor Start Failure

Symptom

Dehumidifier produces a burning or electrical smell

Overheating Electrical Component

Symptom

Dehumidifier runs but does not collect water, 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 tank is empty

False Tank Full Detection

Symptom

Dehumidifier vibrates excessively and may move on the floor

Excessive Vibration / Imbalance