Midea 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
E1
Dehumidifier will not run; display shows E1 shortly after power-on.
Room Temperature Sensor (NTC) Failure or Open Circuit
E2
Dehumidifier stops and displays E2; fan may still run briefly.
Evaporator Coil Temperature Sensor (Pipe Sensor) Failure
E3
Dehumidifier shows E3 and stops dehumidifying; compressor does not start.
Humidity Sensor (RH Sensor) Failure or Out of Range
E4
Dehumidifier displays E4 and shuts down; may occur after running for some time.
Refrigerant System High/Low Pressure or Defrost Protection Error (Coil Overheat/Freeze Protection)
E5
Dehumidifier shows E5 and will not start compressor; fan may still operate.
Compressor Overload or Current Protection Error
E6
Dehumidifier displays E6 and stops; controls may be unresponsive or erratic.
Communication Error Between Display Board and Main Control Board
E7
Dehumidifier shows E7 and stops; may occur when trying to change fan speed or mode.
Fan Motor Feedback / Fan Speed Error
E8
Dehumidifier displays E8 and shuts down; may be accompanied by unusual compressor noise or no cooling.
Refrigerant System Protection / Overload Error
EC
Dehumidifier shows EC and stops dehumidifying; fan may continue to run.
Refrigerant Leak / Low Refrigerant Protection (Evaporator Temperature Abnormal)
F0
Dehumidifier shows F0 and will not operate normally.
EEPROM / Memory Error on Main Control Board
F1
Dehumidifier displays F1 and does not respond to controls properly.
Keypad / Control Panel Fault
F2
Dehumidifier shows F2 and may not start or may shut down unexpectedly.
Power Supply / Voltage Detection Error
HI
Dehumidifier display shows HI for humidity and may run continuously.
High Humidity Indication or Humidity Sensor Out of Range High
LO
Dehumidifier display shows LO and compressor does not run.
Low Temperature Indication / Protection
P1
Dehumidifier displays P1 and stops; water bucket is empty or not full.
Defrost Mode Active / Coil Defrosting
P2
Dehumidifier displays P2 and stops; water bucket is full or nearly full.
Bucket Full Protection Activated
P3
Dehumidifier shows P3 and does not start compressor; fan may run.
Low Temperature Protection / Anti-Freeze Mode
P4
Dehumidifier displays P4 and stops; may occur after long operation.
Pump Protection / Pump Failure (for Pump-Equipped Models)
Symptom
Dehumidifier bucket fills too quickly or overflows even with drain hose attached.
Continuous Drain Failure / Backflow
Symptom
Dehumidifier controls are unresponsive; buttons do not change settings.
Keypad / Control Lock or Failed Buttons
Symptom
Dehumidifier display is dim, flickering, or segments are missing.
Display / LED Module Failure
Symptom
Dehumidifier display shows incorrect humidity (far from actual) but otherwise runs.
Humidity Reading Inaccurate
Symptom
Dehumidifier does not power on at all; no lights or display.
No Power / Dead Unit
Symptom
Dehumidifier emits a burning or electrical smell during operation.
Overheating Component / Electrical Fault
Symptom
Dehumidifier emits a musty or moldy odor during operation.
Biological Growth in Water System and Coils
Symptom
Dehumidifier fan does not run, but compressor gets hot and may shut off.
Fan Motor Not Running
Symptom
Dehumidifier fan runs but there is no airflow from the front or top grille.
Blower Wheel Disconnected or Blocked Air Path
Symptom
Dehumidifier frequently freezes up; evaporator coil covered in ice.
Evaporator Coil Icing
Symptom
Dehumidifier is very noisy during operation; rattling, buzzing, or grinding sounds.
Excessive Noise / Vibration
Symptom
Dehumidifier leaks water onto the floor instead of into the bucket or drain hose.
Water Leakage / Drainage Failure
Symptom
Dehumidifier powers on but compressor never starts; fan runs and no water is collected.
Compressor Not Starting
Symptom
Dehumidifier runs but blows warm, humid air; humidity in room does not decrease.
No Cooling / Hot Gas Bypass or Refrigerant Issue
Symptom
Dehumidifier runs but collects very little or no water even in humid conditions.
Poor Dehumidification / Low Capacity
Symptom
Dehumidifier runs continuously and never reaches the set humidity.
Cannot Reach Setpoint / Continuous Operation
Symptom
Dehumidifier shuts off after a short time and the bucket is not full; may restart after being moved.
False Bucket Full Detection / Intermittent Bucket Switch
Symptom
Dehumidifier turns on and off rapidly (short cycling) without reaching set humidity.
Short Cycling / Control Instability
Symptom
Dehumidifier will not start after being moved or tipped; bucket is empty.
Tilt / Safety Switch or Internal Float Misalignment
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Dehumidifier displays CF after extended use; unit may still run.
|
Filter Clean Reminder | View Details |
| E1 |
Dehumidifier will not run; display shows E1 shortly after power-on.
|
Room Temperature Sensor (NTC) Failure or Open Circuit | View Details |
| E2 |
Dehumidifier stops and displays E2; fan may still run briefly.
|
Evaporator Coil Temperature Sensor (Pipe Sensor) Failure | View Details |
| E3 |
Dehumidifier shows E3 and stops dehumidifying; compressor does not start.
|
Humidity Sensor (RH Sensor) Failure or Out of Range | View Details |
| E4 |
Dehumidifier displays E4 and shuts down; may occur after running for some time.
|
Refrigerant System High/Low Pressure or Defrost Protection Error (Coil Overheat/Freeze Protection) | View Details |
| E5 |
Dehumidifier shows E5 and will not start compressor; fan may still operate.
|
Compressor Overload or Current Protection Error | View Details |
| E6 |
Dehumidifier displays E6 and stops; controls may be unresponsive or erratic.
|
Communication Error Between Display Board and Main Control Board | View Details |
| E7 |
Dehumidifier shows E7 and stops; may occur when trying to change fan speed or mode.
|
Fan Motor Feedback / Fan Speed Error | View Details |
| E8 |
Dehumidifier displays E8 and shuts down; may be accompanied by unusual compressor noise or no cooling.
|
Refrigerant System Protection / Overload Error | View Details |
| EC |
Dehumidifier shows EC and stops dehumidifying; fan may continue to run.
|
Refrigerant Leak / Low Refrigerant Protection (Evaporator Temperature Abnormal) | View Details |
| F0 |
Dehumidifier shows F0 and will not operate normally.
|
EEPROM / Memory Error on Main Control Board | View Details |
| F1 |
Dehumidifier displays F1 and does not respond to controls properly.
|
Keypad / Control Panel Fault | View Details |
| F2 |
Dehumidifier shows F2 and may not start or may shut down unexpectedly.
|
Power Supply / Voltage Detection Error | View Details |
| HI |
Dehumidifier display shows HI for humidity and may run continuously.
|
High Humidity Indication or Humidity Sensor Out of Range High | View Details |
| LO |
Dehumidifier display shows LO and compressor does not run.
|
Low Temperature Indication / Protection | View Details |
| P1 |
Dehumidifier displays P1 and stops; water bucket is empty or not full.
|
Defrost Mode Active / Coil Defrosting | View Details |
| P2 |
Dehumidifier displays P2 and stops; water bucket is full or nearly full.
|
Bucket Full Protection Activated | View Details |
| P3 |
Dehumidifier shows P3 and does not start compressor; fan may run.
|
Low Temperature Protection / Anti-Freeze Mode | View Details |
| P4 |
Dehumidifier displays P4 and stops; may occur after long operation.
|
Pump Protection / Pump Failure (for Pump-Equipped Models) | View Details |
| – |
Dehumidifier bucket fills too quickly or overflows even with drain hose attached.
|
Continuous Drain Failure / Backflow | View Details |
| – |
Dehumidifier controls are unresponsive; buttons do not change settings.
|
Keypad / Control Lock or Failed Buttons | View Details |
| – |
Dehumidifier display is dim, flickering, or segments are missing.
|
Display / LED Module Failure | View Details |
| – |
Dehumidifier display shows incorrect humidity (far from actual) but otherwise runs.
|
Humidity Reading Inaccurate | View Details |
| – |
Dehumidifier does not power on at all; no lights or display.
|
No Power / Dead Unit | View Details |
| – |
Dehumidifier emits a burning or electrical smell during operation.
|
Overheating Component / Electrical Fault | View Details |
| – |
Dehumidifier emits a musty or moldy odor during operation.
|
Biological Growth in Water System and Coils | View Details |
| – |
Dehumidifier fan does not run, but compressor gets hot and may shut off.
|
Fan Motor Not Running | View Details |
| – |
Dehumidifier fan runs but there is no airflow from the front or top grille.
|
Blower Wheel Disconnected or Blocked Air Path | View Details |
| – |
Dehumidifier frequently freezes up; evaporator coil covered in ice.
|
Evaporator Coil Icing | View Details |
| – |
Dehumidifier is very noisy during operation; rattling, buzzing, or grinding sounds.
|
Excessive Noise / Vibration | View Details |
| – |
Dehumidifier leaks water onto the floor instead of into the bucket or drain hose.
|
Water Leakage / Drainage Failure | View Details |
| – |
Dehumidifier powers on but compressor never starts; fan runs and no water is collected.
|
Compressor Not Starting | View Details |
| – |
Dehumidifier runs but blows warm, humid air; humidity in room does not decrease.
|
No Cooling / Hot Gas Bypass or Refrigerant Issue | View Details |
| – |
Dehumidifier runs but collects very little or no water even in humid conditions.
|
Poor Dehumidification / Low Capacity | View Details |
| – |
Dehumidifier runs continuously and never reaches the set humidity.
|
Cannot Reach Setpoint / Continuous Operation | View Details |
| – |
Dehumidifier shuts off after a short time and the bucket is not full; may restart after being moved.
|
False Bucket Full Detection / Intermittent Bucket Switch | View Details |
| – |
Dehumidifier turns on and off rapidly (short cycling) without reaching set humidity.
|
Short Cycling / Control Instability | View Details |
| – |
Dehumidifier will not start after being moved or tipped; bucket is empty.
|
Tilt / Safety Switch or Internal Float Misalignment | View Details |
No matching codes found
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