Hisense 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 stops and displays E1 on the control panel; buttons may not respond or unit will not start a cycle.
Control Panel Communication / Keypad Error
E2
Dehumidifier displays E2 and stops dehumidifying; fan may still run or unit may shut down completely.
Room Temperature Sensor (NTC) Fault
E3
Dehumidifier shows E3 and stops cooling; fan may run but no water is collected.
Evaporator Coil Temperature Sensor Fault
E4
Dehumidifier displays E4 and shuts down; compressor does not run and unit will not dehumidify.
Defrost / Frost Protection Sensor Fault or Overheat Protection
E5
Dehumidifier shows E5 and stops; compressor will not start, fan may or may not run.
Compressor Overload / High-Temperature Protection or Current Protection Fault
E6
Dehumidifier displays E6 and will not run a dehumidifying cycle.
Humidity Sensor (RH Sensor) Fault
E7
Dehumidifier shows E7 and stops; may occur shortly after startup.
Water Level / Float Switch Circuit Fault
E8
Dehumidifier displays E8 and shuts down; may be accompanied by unusual noises or no compressor operation.
Fan Motor / Fan Feedback Error
E9
Dehumidifier shows E9 and will not operate; may occur after a power surge or lightning storm.
EEPROM / Memory Error on Main Control Board
EC
Dehumidifier displays EC and stops cooling; fan may still run but no water is collected.
Refrigerant System / Low Refrigerant or Sensor Error
F0
Dehumidifier displays F0 and will not start a dehumidifying cycle.
General Sensor Fault / Communication Error
F1
Dehumidifier shows F1 and stops; may be accompanied by inaccurate room temperature display.
Ambient Temperature Sensor Open Circuit
F2
Dehumidifier shows F2 and stops; may show unrealistic temperature readings.
Ambient Temperature Sensor Short Circuit
F3
Dehumidifier displays F3 and stops dehumidifying; coil may not frost as expected.
Evaporator Temperature Sensor Open Circuit
F4
Dehumidifier displays F4 and stops; may indicate incorrect coil temperature readings.
Evaporator Temperature Sensor Short Circuit
H1
Dehumidifier displays H1 and stops; may indicate high temperature condition.
High Ambient Temperature Protection
H2
Dehumidifier displays H2 and shuts down; may indicate internal overheat.
Compressor / Discharge Overheat Protection
P1
Dehumidifier displays P1 and stops dehumidifying; fan may continue to run.
Defrost Mode Active (Low Temperature Protection)
P2
Dehumidifier displays P2 and stops; bucket is full or appears full to the unit.
Bucket Full Protection Active
Symptom
Dehumidifier display shows incorrect room humidity (e.g., always 30% or always 80%).
Humidity Sensor Calibration / Failure
Symptom
Dehumidifier display works but buttons do not respond or respond intermittently.
Keypad / User Interface Failure
Symptom
Dehumidifier emits a burning or electrical smell.
Overheating Electrical Component
Symptom
Dehumidifier emits a high-pitched squealing or screeching noise.
Fan Motor or Bearing Wear
Symptom
Dehumidifier emits a musty or moldy odor from the air outlet.
Biological Growth in Water Path and Coils
Symptom
Dehumidifier fan does not run, but compressor may start and stop quickly or unit shuts down.
Fan Motor Failure
Symptom
Dehumidifier freezes up; evaporator coil becomes a solid block of ice.
Evaporator Coil Icing
Symptom
Dehumidifier leaks water onto the floor instead of into the bucket or drain hose.
Water Management / Drainage Failure
Symptom
Dehumidifier makes loud rattling or buzzing noises during operation.
Mechanical Vibration / Loose Components
Symptom
Dehumidifier operates but airflow from the front grille is very weak.
Restricted Airflow
Symptom
Dehumidifier powers on but compressor never starts; only the fan runs and no water is collected.
Compressor Start Failure
Symptom
Dehumidifier runs but collects very little water compared to before.
Reduced Dehumidification Capacity
Symptom
Dehumidifier runs but does not collect water even in a humid room.
Loss of Refrigerant / Weak Cooling System
Symptom
Dehumidifier runs for a few minutes then shuts off and restarts frequently.
Short Cycling
Symptom
Dehumidifier shows bucket full indicator even when the bucket is empty and properly installed.
False Bucket Full Detection
Symptom
Dehumidifier shuts off and will not restart for several minutes even though the room is still humid.
Compressor Short-Cycle Protection / Thermal Delay
Symptom
Dehumidifier vibrates excessively and moves or "walks" on the floor during operation.
Excessive Vibration / Imbalance
Symptom
Dehumidifier will not power on at all; display is blank and no lights.
No Power / Dead Unit
Symptom
Dehumidifier with continuous drain hose installed still fills the bucket.
Continuous Drain Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Dehumidifier stops and displays E1 on the control panel; buttons may not respond or unit will not start a cycle.
|
Control Panel Communication / Keypad Error | View Details |
| E2 |
Dehumidifier displays E2 and stops dehumidifying; fan may still run or unit may shut down completely.
|
Room Temperature Sensor (NTC) Fault | View Details |
| E3 |
Dehumidifier shows E3 and stops cooling; fan may run but no water is collected.
|
Evaporator Coil Temperature Sensor Fault | View Details |
| E4 |
Dehumidifier displays E4 and shuts down; compressor does not run and unit will not dehumidify.
|
Defrost / Frost Protection Sensor Fault or Overheat Protection | View Details |
| E5 |
Dehumidifier shows E5 and stops; compressor will not start, fan may or may not run.
|
Compressor Overload / High-Temperature Protection or Current Protection Fault | View Details |
| E6 |
Dehumidifier displays E6 and will not run a dehumidifying cycle.
|
Humidity Sensor (RH Sensor) Fault | View Details |
| E7 |
Dehumidifier shows E7 and stops; may occur shortly after startup.
|
Water Level / Float Switch Circuit Fault | View Details |
| E8 |
Dehumidifier displays E8 and shuts down; may be accompanied by unusual noises or no compressor operation.
|
Fan Motor / Fan Feedback Error | View Details |
| E9 |
Dehumidifier shows E9 and will not operate; may occur after a power surge or lightning storm.
|
EEPROM / Memory Error on Main Control Board | View Details |
| EC |
Dehumidifier displays EC and stops cooling; fan may still run but no water is collected.
|
Refrigerant System / Low Refrigerant or Sensor Error | View Details |
| F0 |
Dehumidifier displays F0 and will not start a dehumidifying cycle.
|
General Sensor Fault / Communication Error | View Details |
| F1 |
Dehumidifier shows F1 and stops; may be accompanied by inaccurate room temperature display.
|
Ambient Temperature Sensor Open Circuit | View Details |
| F2 |
Dehumidifier shows F2 and stops; may show unrealistic temperature readings.
|
Ambient Temperature Sensor Short Circuit | View Details |
| F3 |
Dehumidifier displays F3 and stops dehumidifying; coil may not frost as expected.
|
Evaporator Temperature Sensor Open Circuit | View Details |
| F4 |
Dehumidifier displays F4 and stops; may indicate incorrect coil temperature readings.
|
Evaporator Temperature Sensor Short Circuit | View Details |
| H1 |
Dehumidifier displays H1 and stops; may indicate high temperature condition.
|
High Ambient Temperature Protection | View Details |
| H2 |
Dehumidifier displays H2 and shuts down; may indicate internal overheat.
|
Compressor / Discharge Overheat Protection | View Details |
| P1 |
Dehumidifier displays P1 and stops dehumidifying; fan may continue to run.
|
Defrost Mode Active (Low Temperature Protection) | View Details |
| P2 |
Dehumidifier displays P2 and stops; bucket is full or appears full to the unit.
|
Bucket Full Protection Active | View Details |
| – |
Dehumidifier display shows incorrect room humidity (e.g., always 30% or always 80%).
|
Humidity Sensor Calibration / Failure | View Details |
| – |
Dehumidifier display works but buttons do not respond or respond intermittently.
|
Keypad / User Interface Failure | View Details |
| – |
Dehumidifier emits a burning or electrical smell.
|
Overheating Electrical Component | View Details |
| – |
Dehumidifier emits a high-pitched squealing or screeching noise.
|
Fan Motor or Bearing Wear | View Details |
| – |
Dehumidifier emits a musty or moldy odor from the air outlet.
|
Biological Growth in Water Path and Coils | View Details |
| – |
Dehumidifier fan does not run, but compressor may start and stop quickly or unit shuts down.
|
Fan Motor Failure | View Details |
| – |
Dehumidifier freezes up; evaporator coil becomes a solid block of ice.
|
Evaporator Coil Icing | View Details |
| – |
Dehumidifier leaks water onto the floor instead of into the bucket or drain hose.
|
Water Management / Drainage Failure | View Details |
| – |
Dehumidifier makes loud rattling or buzzing noises during operation.
|
Mechanical Vibration / Loose Components | View Details |
| – |
Dehumidifier operates but airflow from the front grille is very weak.
|
Restricted Airflow | View Details |
| – |
Dehumidifier powers on but compressor never starts; only the fan runs and no water is collected.
|
Compressor Start Failure | View Details |
| – |
Dehumidifier runs but collects very little water compared to before.
|
Reduced Dehumidification Capacity | View Details |
| – |
Dehumidifier runs but does not collect water even in a humid room.
|
Loss of Refrigerant / Weak Cooling System | View Details |
| – |
Dehumidifier runs for a few minutes then shuts off and restarts frequently.
|
Short Cycling | View Details |
| – |
Dehumidifier shows bucket full indicator even when the bucket is empty and properly installed.
|
False Bucket Full Detection | View Details |
| – |
Dehumidifier shuts off and will not restart for several minutes even though the room is still humid.
|
Compressor Short-Cycle Protection / Thermal Delay | View Details |
| – |
Dehumidifier vibrates excessively and moves or "walks" on the floor during operation.
|
Excessive Vibration / Imbalance | View Details |
| – |
Dehumidifier will not power on at all; display is blank and no lights.
|
No Power / Dead Unit | View Details |
| – |
Dehumidifier with continuous drain hose installed still fills the bucket.
|
Continuous Drain Failure | View Details |
No matching codes found
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