Rowenta Humidifiers & Dehumidifiers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
Advertisements
CF
Dehumidifier displays CF after extended use, but continues to run.
Filter Cleaning Reminder
E1
Dehumidifier displays E1 and stops dehumidifying, fan may still run.
Room Temperature Sensor Error
E2
Dehumidifier shows E2 and stops, compressor does not run.
Evaporator Coil Temperature Sensor Error
E3
Dehumidifier displays E3, compressor does not start or stops shortly after starting.
Compressor Overload or High-Temperature Protection
E4
Dehumidifier shows E4 and stops, water bucket is not full.
Water Level / Float Switch Error
E5
Dehumidifier displays E5 and will not start the compressor.
Humidity Sensor Error
E6
Dehumidifier shows E6 and stops, sometimes after running for a short period.
Defrost Sensor or Defrost Circuit Error
E7
Dehumidifier displays E7 and will not run, or stops unexpectedly.
Internal EEPROM / Control Memory Error
EC
Dehumidifier shows EC and stops dehumidifying, fan may continue.
Refrigerant System / Low Refrigerant or Sensor Error
F0
Humidifier will not start, display shows F0 immediately after plugging in or pressing power.
Internal Sensor Communication Fault
F1
Humidifier stops and displays F1, fan does not run.
Fan Motor or Fan Tachometer Fault
F2
Humidifier shows F2 and stops producing mist, fan may still run.
Humidity Sensor Failure or Out-of-Range Reading
F3
Humidifier displays F3 and shuts down, often shortly after starting.
Temperature Sensor (NTC) Fault
F4
Humidifier with warm-mist or hybrid mode shows F4 and stops heating, fan may still run.
Heater Circuit Fault / Overheat Protection Triggered
F5
Humidifier shows F5 and will not produce mist, even though the fan may run.
Ultrasonic Nebulizer / Atomizer Fault
F6
Humidifier displays F6 and stops, often accompanied by unusual noise from the fan or pump (if equipped).
Internal Power Supply or Overcurrent Fault
HI
Humidifier or dehumidifier displays HI for humidity and does not seem to control properly.
Humidity Reading Above Sensor Range
LO
Dehumidifier displays LO and does not start dehumidifying.
Low Ambient Temperature Lockout
P1
Dehumidifier displays P1 and stops, water bucket is empty or nearly empty.
Internal Tank / Sump Full Protection (Pump or Internal Reservoir)
P2
Dehumidifier shows P2 and stops, bucket is full of water.
Bucket Full Condition
Symptom
Control panel buttons on humidifier or dehumidifier are unresponsive or intermittent.
Keypad / Touch Panel Failure
Symptom
Dehumidifier emits a strong chemical or burning smell when running.
Overheating Electrical Component
Symptom
Dehumidifier fan runs but compressor never starts, no water is collected.
Compressor Start Failure
Symptom
Dehumidifier leaks water from the front or rear instead of into the bucket.
Drainage Path Blockage or Misrouting
Symptom
Dehumidifier runs but collects very little or no water, even in a humid room.
Reduced Dehumidification Capacity
Symptom
Dehumidifier shuts off after a few minutes and the bucket is not full, no error code displayed.
Overheat or Internal Protection Trip
Symptom
Display on humidifier or dehumidifier is very dim or completely blank, but unit still runs.
Display Backlight or Segment Failure
Symptom
Humidifier display and buttons work, but fan does not run and no air comes out.
Fan Motor Failure
Symptom
Humidifier emits a strong musty or moldy odor during operation.
Microbial Growth in Tank and Water Path
Symptom
Humidifier leaks water from the base onto the floor.
Water Tank or Basin Leakage
Symptom
Humidifier makes loud humming or rattling noises during operation.
Fan Imbalance or Loose Internal Components
Symptom
Humidifier or dehumidifier frequently trips the household circuit breaker or blows fuses.
Excessive Current Draw / Electrical Short
Symptom
Humidifier produces very weak mist output even at maximum setting.
Reduced Atomizer Efficiency / Airflow Restriction
Symptom
Humidifier runs but produces no visible mist, water level in tank does not decrease.
Ultrasonic Atomizer Not Producing Mist
Symptom
Humidifier runs but room humidity does not increase noticeably.
Ineffective Humidification
Symptom
Humidifier turns on but shuts off after a few seconds without any error code.
Tank Detection / Safety Interlock Issue
Symptom
Humidifier vibrates excessively and moves on the surface during operation.
Mechanical Vibration / Imbalanced Fan
Symptom
Humidifier will not turn on at all, no lights or display.
No Power / Dead Control Board
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Dehumidifier displays CF after extended use, but continues to run.
|
Filter Cleaning Reminder | View Details |
| E1 |
Dehumidifier displays E1 and stops dehumidifying, fan may still run.
|
Room Temperature Sensor Error | View Details |
| E2 |
Dehumidifier shows E2 and stops, compressor does not run.
|
Evaporator Coil Temperature Sensor Error | View Details |
| E3 |
Dehumidifier displays E3, compressor does not start or stops shortly after starting.
|
Compressor Overload or High-Temperature Protection | View Details |
| E4 |
Dehumidifier shows E4 and stops, water bucket is not full.
|
Water Level / Float Switch Error | View Details |
| E5 |
Dehumidifier displays E5 and will not start the compressor.
|
Humidity Sensor Error | View Details |
| E6 |
Dehumidifier shows E6 and stops, sometimes after running for a short period.
|
Defrost Sensor or Defrost Circuit Error | View Details |
| E7 |
Dehumidifier displays E7 and will not run, or stops unexpectedly.
|
Internal EEPROM / Control Memory Error | View Details |
| EC |
Dehumidifier shows EC and stops dehumidifying, fan may continue.
|
Refrigerant System / Low Refrigerant or Sensor Error | View Details |
| F0 |
Humidifier will not start, display shows F0 immediately after plugging in or pressing power.
|
Internal Sensor Communication Fault | View Details |
| F1 |
Humidifier stops and displays F1, fan does not run.
|
Fan Motor or Fan Tachometer Fault | View Details |
| F2 |
Humidifier shows F2 and stops producing mist, fan may still run.
|
Humidity Sensor Failure or Out-of-Range Reading | View Details |
| F3 |
Humidifier displays F3 and shuts down, often shortly after starting.
|
Temperature Sensor (NTC) Fault | View Details |
| F4 |
Humidifier with warm-mist or hybrid mode shows F4 and stops heating, fan may still run.
|
Heater Circuit Fault / Overheat Protection Triggered | View Details |
| F5 |
Humidifier shows F5 and will not produce mist, even though the fan may run.
|
Ultrasonic Nebulizer / Atomizer Fault | View Details |
| F6 |
Humidifier displays F6 and stops, often accompanied by unusual noise from the fan or pump (if equipped).
|
Internal Power Supply or Overcurrent Fault | View Details |
| HI |
Humidifier or dehumidifier displays HI for humidity and does not seem to control properly.
|
Humidity Reading Above Sensor Range | View Details |
| LO |
Dehumidifier displays LO and does not start dehumidifying.
|
Low Ambient Temperature Lockout | View Details |
| P1 |
Dehumidifier displays P1 and stops, water bucket is empty or nearly empty.
|
Internal Tank / Sump Full Protection (Pump or Internal Reservoir) | View Details |
| P2 |
Dehumidifier shows P2 and stops, bucket is full of water.
|
Bucket Full Condition | View Details |
| – |
Control panel buttons on humidifier or dehumidifier are unresponsive or intermittent.
|
Keypad / Touch Panel Failure | View Details |
| – |
Dehumidifier emits a strong chemical or burning smell when running.
|
Overheating Electrical Component | View Details |
| – |
Dehumidifier fan runs but compressor never starts, no water is collected.
|
Compressor Start Failure | View Details |
| – |
Dehumidifier leaks water from the front or rear instead of into the bucket.
|
Drainage Path Blockage or Misrouting | View Details |
| – |
Dehumidifier runs but collects very little or no water, even in a humid room.
|
Reduced Dehumidification Capacity | View Details |
| – |
Dehumidifier shuts off after a few minutes and the bucket is not full, no error code displayed.
|
Overheat or Internal Protection Trip | View Details |
| – |
Display on humidifier or dehumidifier is very dim or completely blank, but unit still runs.
|
Display Backlight or Segment Failure | View Details |
| – |
Humidifier display and buttons work, but fan does not run and no air comes out.
|
Fan Motor Failure | View Details |
| – |
Humidifier emits a strong musty or moldy odor during operation.
|
Microbial Growth in Tank and Water Path | View Details |
| – |
Humidifier leaks water from the base onto the floor.
|
Water Tank or Basin Leakage | View Details |
| – |
Humidifier makes loud humming or rattling noises during operation.
|
Fan Imbalance or Loose Internal Components | View Details |
| – |
Humidifier or dehumidifier frequently trips the household circuit breaker or blows fuses.
|
Excessive Current Draw / Electrical Short | View Details |
| – |
Humidifier produces very weak mist output even at maximum setting.
|
Reduced Atomizer Efficiency / Airflow Restriction | View Details |
| – |
Humidifier runs but produces no visible mist, water level in tank does not decrease.
|
Ultrasonic Atomizer Not Producing Mist | View Details |
| – |
Humidifier runs but room humidity does not increase noticeably.
|
Ineffective Humidification | View Details |
| – |
Humidifier turns on but shuts off after a few seconds without any error code.
|
Tank Detection / Safety Interlock Issue | View Details |
| – |
Humidifier vibrates excessively and moves on the surface during operation.
|
Mechanical Vibration / Imbalanced Fan | View Details |
| – |
Humidifier will not turn on at all, no lights or display.
|
No Power / Dead Control Board | View Details |
No matching codes found
Advertisements