Beurer

Beurer Humidifiers & Dehumidifiers Error Codes

Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.

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E1
Beurer humidifier will not run and displays E1 shortly after power-on.
Room Temperature Sensor Fault
E2
Beurer humidifier shows E2 and stops producing mist.
Humidity Sensor (RH Sensor) Fault
E3
Beurer ultrasonic humidifier displays E3 and does not generate mist.
Water Level Detection Fault
E4
Beurer ultrasonic humidifier shows E4 and shuts down shortly after starting.
Overheat / Overtemperature Protection Triggered
E5
Beurer warm-mist or hybrid humidifier displays E5 and stops heating the water.
Heater Circuit Fault / Overheat Trip
E6
Beurer dehumidifier shows E6 and stops operating.
Room Temperature Out of Operating Range
E7
Beurer dehumidifier displays E7 and the compressor does not start.
Humidity Sensor Fault (Dehumidifier)
E8
Beurer dehumidifier shows E8 and stops dehumidifying.
Defrost Sensor / Coil Temperature Sensor Fault
E9
Beurer dehumidifier displays E9 and will not start the compressor.
Compressor or Refrigeration System Protection Fault
F
Beurer humidifier shows an 'F' or flashing fault symbol and stops misting.
General System Fault / Internal PCB Error
Hi
Beurer humidifier shows 'Hi' and stops humidifying even though the room feels dry.
Humidity Setpoint Reached / Sensor Overrange
Lo
Beurer humidifier displays 'Lo' and does not start misting.
Low Water Level Detected
Symptom
Beurer dehumidifier fan runs but compressor cycles on and off rapidly.
Short Cycling of Compressor
Symptom
Beurer dehumidifier leaks water from the bottom or rear.
Internal Water Leakage
Symptom
Beurer dehumidifier runs but does not collect water in the tank.
No Dehumidification / Poor Moisture Removal
Symptom
Beurer dehumidifier stops and the tank full indicator is on, but the tank is empty or only partially filled.
False Tank Full Detection
Symptom
Beurer humidifier display shows incorrect room humidity (e.g., stuck at 20% or 90%).
Humidity Reading Inaccurate
Symptom
Beurer humidifier emits a high-pitched whine or squeal.
Ultrasonic or Fan Acoustic Noise
Symptom
Beurer humidifier emits a white dust on nearby furniture.
Mineral Dust Emission
Symptom
Beurer humidifier frequently trips the household circuit breaker or RCD.
Electrical Short or Earth Leakage
Symptom
Beurer humidifier is running but there is no visible steam or mist, only airflow.
Fan Running Without Humidification Function
Symptom
Beurer humidifier leaks water onto the table or floor during operation.
External Water Leakage
Symptom
Beurer humidifier makes loud buzzing or rattling noises during operation.
Mechanical Vibration or Fan Noise
Symptom
Beurer humidifier powers on but buttons or touch controls do not respond.
Control Panel / Keypad Failure
Symptom
Beurer humidifier produces a strong musty or moldy smell when operating.
Microbial Contamination of Water System
Symptom
Beurer humidifier produces very weak mist output compared to normal.
Reduced Ultrasonic Output Due to Scaling
Symptom
Beurer humidifier turns off by itself after a short time, even though the tank is full.
Premature Auto Shutoff
Symptom
Beurer humidifier will not power on at all (no lights, no display).
No Power / Power Supply Failure
Symptom
Beurer humidifier's aroma or fragrance function does not produce any scent.
Aroma Diffuser Ineffective
Symptom
Beurer humidifier's filter change indicator remains on even after replacing the filter.
Filter Timer Not Reset
Symptom
Beurer humidifier's night mode or display dimming does not work.
Display Backlight / LED Control Fault
Symptom
Beurer humidifier's UV or hygiene function indicator is on, but water hygiene seems poor.
Ineffective UV/Hygiene Treatment
Symptom
Beurer ultrasonic humidifier runs but produces no mist at all.
Ultrasonic Transducer Failure
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