Russell Hobbs 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
Dehumidifier will not start and displays E1 on the control panel.
Room Temperature Sensor Fault
E2
The dehumidifier stops and displays E2 on the screen.
Evaporator Coil Temperature Sensor Fault
E3
The dehumidifier shows E3 and will not run the compressor.
Humidity Sensor (RH Sensor) Fault
E4
The dehumidifier beeps and displays E4; the fan may still run, but the compressor is off.
Refrigerant System / Defrost Protection Fault (Low Coil Temperature or Sensor Logic Error)
E5
The dehumidifier shows E5 and shuts down compressor operation.
Compressor Overload / High Temperature Protection Fault
E6
The dehumidifier displays E6 and will not start the compressor.
Compressor Start / Relay or Overcurrent Fault
E7
The dehumidifier shows E7 and stops operating.
Internal Communication Error Between Display PCB and Main Control PCB
E8
The dehumidifier shows E8 and shuts down operation.
Fan Motor or Fan Feedback Fault
E9
The dehumidifier shows E9 and stops, often shortly after starting.
Water Level Sensor / Float Switch Fault (Electronic Tank Level Detection)
EC
The dehumidifier displays EC and stops dehumidifying.
Refrigerant System Error / Low Refrigerant or Sensor Correlation Fault
F0
Dehumidifier displays F0 and does not respond to humidity settings
EEPROM / Memory Error on Main Control PCB
F1
Dehumidifier shows F1 and buttons may not respond correctly
Keypad / Touch Panel Fault
HI
Dehumidifier displays HI and may stop or limit operation
High Ambient Temperature Protection
LO
Dehumidifier displays LO and does not start dehumidifying
Low Ambient Temperature Protection
P1
The dehumidifier shows P1 and stops; the water tank may be full.
Water Tank Full Protection Activated
P2
Dehumidifier shows P2 and stops, often when using continuous drain
Continuous Drain / Pump Protection (if fitted) or High Water Level in Internal Sump
Symptom
Buttons on the control panel do not respond or respond intermittently.
Keypad / Touch Control Malfunction
Symptom
Dehumidifier display and buttons work, but the fan does not run.
Fan Motor Failure or Control Fault
Symptom
Dehumidifier display is blank, but the unit appears to run (fan/compressor on).
Display PCB or Backlight Failure
Symptom
Dehumidifier does not power on at all (no lights, no display)
No Power / Input Power Circuit Failure
Symptom
Dehumidifier emits a musty or mouldy smell from the air outlet.
Microbial Growth on Evaporator and in Water Tank
Symptom
Dehumidifier fan runs but there is a loud rattling or scraping noise
Fan Assembly Mechanical Noise
Symptom
Dehumidifier makes a loud humming noise and then shuts off; little or no water is collected.
Compressor Locked Rotor or Start Failure
Symptom
Dehumidifier powers on but compressor never starts, fan runs continuously
Compressor Not Engaging / Control or Refrigeration Fault
Symptom
Dehumidifier runs but blows warm, very humid air and tank fills extremely slowly
Partial Refrigerant Loss / Restricted Capillary
Symptom
Dehumidifier runs but collects very little or no water
Poor Dehumidification Performance
Symptom
Dehumidifier shows 'tank full' indicator even when the tank is empty.
False Tank Full Detection
Symptom
Dehumidifier shuts off after a few minutes and restarts repeatedly.
Short Cycling / Overheat or Sensor Control Issue
Symptom
Dehumidifier timer function does not work, or the unit does not turn on/off at set times.
Timer / Microcontroller Logic Fault
Symptom
Dehumidifier vibrates excessively or rattles against the floor.
Excessive Vibration / Mounting Fault
Symptom
Humidifier (Russell Hobbs) does not produce mist, even though the power light is on.
Ultrasonic Transducer Failure or Low Water Protection
Symptom
Humidifier emits white dust on nearby surfaces.
Mineral Dust from Ultrasonic Operation
Symptom
Humidifier leaks water around the base during operation.
Tank Seal or Valve Leakage
Symptom
Humidifier produces an unpleasant or moldy smell.
Bacterial / Fungal Growth in Tank and Base
Symptom
Humidifier produces very weak mist output, even at the maximum setting.
Reduced Ultrasonic Output / Airflow Restriction
Symptom
Humidifier switches off shortly after turning on; the indicator shows the tank is empty.
False Empty Tank Detection
Symptom
Water leaking from the bottom of the dehumidifier onto the floor.
Condensate Leak / Drainage System Fault
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Dehumidifier will not start and displays E1 on the control panel.
|
Room Temperature Sensor Fault | View Details |
| E2 |
The dehumidifier stops and displays E2 on the screen.
|
Evaporator Coil Temperature Sensor Fault | View Details |
| E3 |
The dehumidifier shows E3 and will not run the compressor.
|
Humidity Sensor (RH Sensor) Fault | View Details |
| E4 |
The dehumidifier beeps and displays E4; the fan may still run, but the compressor is off.
|
Refrigerant System / Defrost Protection Fault (Low Coil Temperature or Sensor Logic Error) | View Details |
| E5 |
The dehumidifier shows E5 and shuts down compressor operation.
|
Compressor Overload / High Temperature Protection Fault | View Details |
| E6 |
The dehumidifier displays E6 and will not start the compressor.
|
Compressor Start / Relay or Overcurrent Fault | View Details |
| E7 |
The dehumidifier shows E7 and stops operating.
|
Internal Communication Error Between Display PCB and Main Control PCB | View Details |
| E8 |
The dehumidifier shows E8 and shuts down operation.
|
Fan Motor or Fan Feedback Fault | View Details |
| E9 |
The dehumidifier shows E9 and stops, often shortly after starting.
|
Water Level Sensor / Float Switch Fault (Electronic Tank Level Detection) | View Details |
| EC |
The dehumidifier displays EC and stops dehumidifying.
|
Refrigerant System Error / Low Refrigerant or Sensor Correlation Fault | View Details |
| F0 |
Dehumidifier displays F0 and does not respond to humidity settings
|
EEPROM / Memory Error on Main Control PCB | View Details |
| F1 |
Dehumidifier shows F1 and buttons may not respond correctly
|
Keypad / Touch Panel Fault | View Details |
| HI |
Dehumidifier displays HI and may stop or limit operation
|
High Ambient Temperature Protection | View Details |
| LO |
Dehumidifier displays LO and does not start dehumidifying
|
Low Ambient Temperature Protection | View Details |
| P1 |
The dehumidifier shows P1 and stops; the water tank may be full.
|
Water Tank Full Protection Activated | View Details |
| P2 |
Dehumidifier shows P2 and stops, often when using continuous drain
|
Continuous Drain / Pump Protection (if fitted) or High Water Level in Internal Sump | View Details |
| – |
Buttons on the control panel do not respond or respond intermittently.
|
Keypad / Touch Control Malfunction | View Details |
| – |
Dehumidifier display and buttons work, but the fan does not run.
|
Fan Motor Failure or Control Fault | View Details |
| – |
Dehumidifier display is blank, but the unit appears to run (fan/compressor on).
|
Display PCB or Backlight Failure | View Details |
| – |
Dehumidifier does not power on at all (no lights, no display)
|
No Power / Input Power Circuit Failure | View Details |
| – |
Dehumidifier emits a musty or mouldy smell from the air outlet.
|
Microbial Growth on Evaporator and in Water Tank | View Details |
| – |
Dehumidifier fan runs but there is a loud rattling or scraping noise
|
Fan Assembly Mechanical Noise | View Details |
| – |
Dehumidifier makes a loud humming noise and then shuts off; little or no water is collected.
|
Compressor Locked Rotor or Start Failure | View Details |
| – |
Dehumidifier powers on but compressor never starts, fan runs continuously
|
Compressor Not Engaging / Control or Refrigeration Fault | View Details |
| – |
Dehumidifier runs but blows warm, very humid air and tank fills extremely slowly
|
Partial Refrigerant Loss / Restricted Capillary | View Details |
| – |
Dehumidifier runs but collects very little or no water
|
Poor Dehumidification Performance | View Details |
| – |
Dehumidifier shows 'tank full' indicator even when the tank is empty.
|
False Tank Full Detection | View Details |
| – |
Dehumidifier shuts off after a few minutes and restarts repeatedly.
|
Short Cycling / Overheat or Sensor Control Issue | View Details |
| – |
Dehumidifier timer function does not work, or the unit does not turn on/off at set times.
|
Timer / Microcontroller Logic Fault | View Details |
| – |
Dehumidifier vibrates excessively or rattles against the floor.
|
Excessive Vibration / Mounting Fault | View Details |
| – |
Humidifier (Russell Hobbs) does not produce mist, even though the power light is on.
|
Ultrasonic Transducer Failure or Low Water Protection | View Details |
| – |
Humidifier emits white dust on nearby surfaces.
|
Mineral Dust from Ultrasonic Operation | View Details |
| – |
Humidifier leaks water around the base during operation.
|
Tank Seal or Valve Leakage | View Details |
| – |
Humidifier produces an unpleasant or moldy smell.
|
Bacterial / Fungal Growth in Tank and Base | View Details |
| – |
Humidifier produces very weak mist output, even at the maximum setting.
|
Reduced Ultrasonic Output / Airflow Restriction | View Details |
| – |
Humidifier switches off shortly after turning on; the indicator shows the tank is empty.
|
False Empty Tank Detection | View Details |
| – |
Water leaking from the bottom of the dehumidifier onto the floor.
|
Condensate Leak / Drainage System Fault | View Details |
No matching codes found
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