Comfee
Comfee 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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CF
Dehumidifier displays CF after extended use; unit may still run.
Filter Clean Reminder
E0
Humidifier or dehumidifier displays E0 and may not respond to settings changes.
Keypad / Button Panel Error
E1
Dehumidifier stops and displays E1 on the control panel; buttons may not respond or unit will not start a cycle.
Room Temperature Sensor Failure
E2
Dehumidifier displays E2 and will not run the compressor or fan.
Evaporator Coil Temperature Sensor Failure
E3
Dehumidifier shows E3 and stops dehumidifying; fan may still run intermittently.
Humidity Sensor (RH Sensor) Failure
E4
Dehumidifier displays E4 and shuts down; compressor will not start.
Refrigerant System or Defrost Protection Fault (Coil Overheat/Freeze Detection)
E5
Dehumidifier shows E5 and will not start or stops shortly after starting.
Compressor Overload or Current Protection Fault
E6
Dehumidifier displays E6 and may not respond to button presses; some functions may be disabled.
Control Panel Communication Error
E7
Dehumidifier shows E7 and stops operation; may occur after long runtime.
High Temperature Protection / Condenser Overheat
E8
Dehumidifier displays E8 and shuts down; may be accompanied by unusual noises from the compressor area.
Compressor Protection / Low or High Voltage Error
EC
Dehumidifier shows EC and stops cooling; fan may still run.
Refrigerant System Error / Low Refrigerant or Sensor Fault
F0
Dehumidifier displays F0 and will not start a dehumidifying cycle.
EEPROM / Internal Memory Error
F1
Dehumidifier shows F1 and may run only in limited modes or not at all.
Indoor Temperature Sensor Error (Alternate Code)
F2
Dehumidifier displays F2 and stops dehumidifying; fan may still operate.
Humidity Sensor Error (Alternate Code)
FL
Dehumidifier shows FL and stops dehumidifying; bucket is full or appears full to the unit.
Full Tank / Float Switch Activated
H1
Dehumidifier shows H1 and does not start the compressor; may indicate high humidity or sensor issue.
High Humidity or Sensor Calibration Error
H2
Dehumidifier displays H2 and may shut down or not start.
Low Temperature Protection / Anti-Freeze Error
HI
Humidifier or dehumidifier displays HI and may not regulate humidity correctly.
High Humidity or Sensor Over-Range
LO
Humidifier or dehumidifier displays LO and does not operate normally.
Low Temperature Display / Protection
P1
Dehumidifier shows P1 and does not start dehumidifying; fan may run briefly.
Defrost Mode Active / Coil Defrosting
P2
Dehumidifier displays P2 and stops collecting water; bucket may be full.
Bucket Full or Continuous Drain Mode Indication
Symptom
Dehumidifier coils freeze over with ice during operation.
Evaporator Coil Icing
Symptom
Dehumidifier emits a musty or moldy odor from the air outlet.
Biological Growth on Coils or in Bucket
Symptom
Dehumidifier fan runs but compressor cycles on and off rapidly or not at all.
Compressor Short Cycling / Failure to Start
Symptom
Dehumidifier leaks water onto the floor instead of into the bucket or drain hose.
Water Leakage / Drainage Fault
Symptom
Dehumidifier or humidifier randomly shuts off and restarts by itself.
Intermittent Power or Overheat Protection
Symptom
Dehumidifier powers on but fan and compressor do not start; only display works.
Control Logic or Relay Failure
Symptom
Dehumidifier runs but does not collect water; bucket remains dry even after hours of operation.
No Dehumidification / Loss of Cooling Capacity
Symptom
Dehumidifier runs but makes loud rattling or buzzing noises.
Mechanical Vibration or Loose Component
Symptom
Dehumidifier vibrates excessively or walks across the floor during operation.
Excessive Vibration / Imbalanced Fan
Symptom
Dehumidifier will not power on at all; no lights or display.
No Power / Dead Unit
Symptom
Dehumidifier's bucket fills too quickly or overflows even with hose attached.
Continuous Drain Failure
Symptom
Dehumidifier's fan does not run, but compressor attempts to start or runs briefly.
Fan Motor Failure
Symptom
Humidifier display works but no buttons respond.
Keypad Failure / Control Lock
Symptom
Humidifier leaks water from the base onto the table or floor.
Tank or Seal Leakage
Symptom
Humidifier makes high-pitched whining or buzzing noise during operation.
Ultrasonic Transducer or Fan Noise
Symptom
Humidifier produces very weak mist output compared to normal.
Reduced Humidification Capacity
Symptom
Humidifier runs but does not produce visible mist or increase humidity.
No Humidification Output
Symptom
Humidifier shuts off even though the tank is full.
Water Level Detection Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Dehumidifier displays CF after extended use; unit may still run.
|
Filter Clean Reminder | View Details |
| E0 |
Humidifier or dehumidifier displays E0 and may not respond to settings changes.
|
Keypad / Button Panel Error | View Details |
| E1 |
Dehumidifier stops and displays E1 on the control panel; buttons may not respond or unit will not start a cycle.
|
Room Temperature Sensor Failure | View Details |
| E2 |
Dehumidifier displays E2 and will not run the compressor or fan.
|
Evaporator Coil Temperature Sensor Failure | View Details |
| E3 |
Dehumidifier shows E3 and stops dehumidifying; fan may still run intermittently.
|
Humidity Sensor (RH Sensor) Failure | View Details |
| E4 |
Dehumidifier displays E4 and shuts down; compressor will not start.
|
Refrigerant System or Defrost Protection Fault (Coil Overheat/Freeze Detection) | View Details |
| E5 |
Dehumidifier shows E5 and will not start or stops shortly after starting.
|
Compressor Overload or Current Protection Fault | View Details |
| E6 |
Dehumidifier displays E6 and may not respond to button presses; some functions may be disabled.
|
Control Panel Communication Error | View Details |
| E7 |
Dehumidifier shows E7 and stops operation; may occur after long runtime.
|
High Temperature Protection / Condenser Overheat | View Details |
| E8 |
Dehumidifier displays E8 and shuts down; may be accompanied by unusual noises from the compressor area.
|
Compressor Protection / Low or High Voltage Error | View Details |
| EC |
Dehumidifier shows EC and stops cooling; fan may still run.
|
Refrigerant System Error / Low Refrigerant or Sensor Fault | View Details |
| F0 |
Dehumidifier displays F0 and will not start a dehumidifying cycle.
|
EEPROM / Internal Memory Error | View Details |
| F1 |
Dehumidifier shows F1 and may run only in limited modes or not at all.
|
Indoor Temperature Sensor Error (Alternate Code) | View Details |
| F2 |
Dehumidifier displays F2 and stops dehumidifying; fan may still operate.
|
Humidity Sensor Error (Alternate Code) | View Details |
| FL |
Dehumidifier shows FL and stops dehumidifying; bucket is full or appears full to the unit.
|
Full Tank / Float Switch Activated | View Details |
| H1 |
Dehumidifier shows H1 and does not start the compressor; may indicate high humidity or sensor issue.
|
High Humidity or Sensor Calibration Error | View Details |
| H2 |
Dehumidifier displays H2 and may shut down or not start.
|
Low Temperature Protection / Anti-Freeze Error | View Details |
| HI |
Humidifier or dehumidifier displays HI and may not regulate humidity correctly.
|
High Humidity or Sensor Over-Range | View Details |
| LO |
Humidifier or dehumidifier displays LO and does not operate normally.
|
Low Temperature Display / Protection | View Details |
| P1 |
Dehumidifier shows P1 and does not start dehumidifying; fan may run briefly.
|
Defrost Mode Active / Coil Defrosting | View Details |
| P2 |
Dehumidifier displays P2 and stops collecting water; bucket may be full.
|
Bucket Full or Continuous Drain Mode Indication | View Details |
| – |
Dehumidifier coils freeze over with ice during operation.
|
Evaporator Coil Icing | View Details |
| – |
Dehumidifier emits a musty or moldy odor from the air outlet.
|
Biological Growth on Coils or in Bucket | View Details |
| – |
Dehumidifier fan runs but compressor cycles on and off rapidly or not at all.
|
Compressor Short Cycling / Failure to Start | View Details |
| – |
Dehumidifier leaks water onto the floor instead of into the bucket or drain hose.
|
Water Leakage / Drainage Fault | View Details |
| – |
Dehumidifier or humidifier randomly shuts off and restarts by itself.
|
Intermittent Power or Overheat Protection | View Details |
| – |
Dehumidifier powers on but fan and compressor do not start; only display works.
|
Control Logic or Relay Failure | View Details |
| – |
Dehumidifier runs but does not collect water; bucket remains dry even after hours of operation.
|
No Dehumidification / Loss of Cooling Capacity | View Details |
| – |
Dehumidifier runs but makes loud rattling or buzzing noises.
|
Mechanical Vibration or Loose Component | View Details |
| – |
Dehumidifier vibrates excessively or walks across the floor during operation.
|
Excessive Vibration / Imbalanced Fan | View Details |
| – |
Dehumidifier will not power on at all; no lights or display.
|
No Power / Dead Unit | View Details |
| – |
Dehumidifier's bucket fills too quickly or overflows even with hose attached.
|
Continuous Drain Failure | View Details |
| – |
Dehumidifier's fan does not run, but compressor attempts to start or runs briefly.
|
Fan Motor Failure | View Details |
| – |
Humidifier display works but no buttons respond.
|
Keypad Failure / Control Lock | View Details |
| – |
Humidifier leaks water from the base onto the table or floor.
|
Tank or Seal Leakage | View Details |
| – |
Humidifier makes high-pitched whining or buzzing noise during operation.
|
Ultrasonic Transducer or Fan Noise | View Details |
| – |
Humidifier produces very weak mist output compared to normal.
|
Reduced Humidification Capacity | View Details |
| – |
Humidifier runs but does not produce visible mist or increase humidity.
|
No Humidification Output | View Details |
| – |
Humidifier shuts off even though the tank is full.
|
Water Level Detection Failure | View Details |
No matching codes found
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