TaoTronics
TaoTronics 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
Filter Cleaning Reminder
E1
Dehumidifier will not start and displays E1 on the control panel
Room Temperature Sensor Failure
E1
Humidifier shows E1 and will not mist
Ultrasonic Transducer / Nebulizer Fault
E2
Dehumidifier runs briefly then stops and displays E2
Evaporator Coil Temperature Sensor Failure
E2
Humidifier displays E2 and shuts off
Humidity Sensor Error (Humidifier)
E3
Dehumidifier displays E3 and will not start dehumidifying
Humidity Sensor (RH Sensor) Failure
E3
Humidifier shows E3 and stops working
Overheat / Dry-Run Protection (Humidifier)
E4
Dehumidifier stops and shows E4 on the display
Refrigerant System / Defrost Protection Fault
E5
Dehumidifier displays E5 and compressor does not run
Compressor Overload / High Temperature Protection
E6
Dehumidifier shows E6 and will not respond to controls
Keypad / Control Panel Communication Error
E7
Dehumidifier displays E7 and stops operation
Fan Motor Feedback / Fan Lock Error
E8
Dehumidifier shows E8 and shuts down shortly after starting
Current Overload / Overcurrent Protection
E9
Dehumidifier displays E9 and will not run
EEPROM / Memory Error
EC
Dehumidifier shows EC and stops dehumidifying
Refrigerant Leak / Low Refrigerant Protection
F
Humidifier displays F and stops producing mist
Water Level / Float Error (Humidifier)
HI
Dehumidifier display shows HI and runs continuously
High Humidity Indication / Sensor Out-of-Range
LO
Dehumidifier display shows LO and unit does not dehumidify
Low Temperature Lockout
P1
Dehumidifier displays P1 and does not start dehumidifying
Defrost Mode Active / Coil Defrosting
P2
Dehumidifier shows P2 and stops collecting water
Bucket Full / Water Tank Full Protection
P3
Dehumidifier displays P3 and will not start
Pump Protection / Pump Error (for models with built-in pump)
Symptom
Dehumidifier fan runs but compressor never starts; no error code
Compressor Start Failure
Symptom
Dehumidifier is very noisy during operation (rattling, buzzing, or grinding)
Excessive Noise / Vibration
Symptom
Dehumidifier leaks water onto the floor
Water Leakage
Symptom
Dehumidifier powers on but fan does not run; compressor may start then stop
Fan Motor Failure
Symptom
Dehumidifier runs but does not collect water; humidity in room remains high
No Dehumidification / Weak Cooling
Symptom
Dehumidifier runs continuously and never reaches set humidity
Ineffective Dehumidification / Undersized or Sensor Fault
Symptom
Dehumidifier shows bucket full icon but bucket is empty
False Bucket Full Detection
Symptom
Dehumidifier shuts off after a few minutes even though humidity is high
Premature Shutoff / Incorrect Humidity Sensing
Symptom
Dehumidifier will not power on at all; display is blank
No Power / Dead Unit
Symptom
Humidifier display and buttons work but unit shuts off randomly
Intermittent Power / Loose Connection
Symptom
Humidifier emits a white dust on nearby surfaces
Mineral Dust Emission
Symptom
Humidifier has a bad odor during operation
Bacterial / Mold Contamination
Symptom
Humidifier is on but produces no mist
No Mist Output (Humidifier)
Symptom
Humidifier leaks water from the base or around the tank
Humidifier Water Leakage
Symptom
Humidifier produces very weak mist even at maximum setting
Reduced Mist Output
Symptom
Humidifier touchscreen or buttons do not respond
Control Panel Failure (Humidifier)
Symptom
Humidifier water tank is full but unit does not run; behaves as if empty
Tank Detection Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Dehumidifier displays CF after extended use
|
Filter Cleaning Reminder | View Details |
| E1 |
Dehumidifier will not start and displays E1 on the control panel
|
Room Temperature Sensor Failure | View Details |
| E1 |
Humidifier shows E1 and will not mist
|
Ultrasonic Transducer / Nebulizer Fault | View Details |
| E2 |
Dehumidifier runs briefly then stops and displays E2
|
Evaporator Coil Temperature Sensor Failure | View Details |
| E2 |
Humidifier displays E2 and shuts off
|
Humidity Sensor Error (Humidifier) | View Details |
| E3 |
Dehumidifier displays E3 and will not start dehumidifying
|
Humidity Sensor (RH Sensor) Failure | View Details |
| E3 |
Humidifier shows E3 and stops working
|
Overheat / Dry-Run Protection (Humidifier) | View Details |
| E4 |
Dehumidifier stops and shows E4 on the display
|
Refrigerant System / Defrost Protection Fault | View Details |
| E5 |
Dehumidifier displays E5 and compressor does not run
|
Compressor Overload / High Temperature Protection | View Details |
| E6 |
Dehumidifier shows E6 and will not respond to controls
|
Keypad / Control Panel Communication Error | View Details |
| E7 |
Dehumidifier displays E7 and stops operation
|
Fan Motor Feedback / Fan Lock Error | View Details |
| E8 |
Dehumidifier shows E8 and shuts down shortly after starting
|
Current Overload / Overcurrent Protection | View Details |
| E9 |
Dehumidifier displays E9 and will not run
|
EEPROM / Memory Error | View Details |
| EC |
Dehumidifier shows EC and stops dehumidifying
|
Refrigerant Leak / Low Refrigerant Protection | View Details |
| F |
Humidifier displays F and stops producing mist
|
Water Level / Float Error (Humidifier) | View Details |
| HI |
Dehumidifier display shows HI and runs continuously
|
High Humidity Indication / Sensor Out-of-Range | View Details |
| LO |
Dehumidifier display shows LO and unit does not dehumidify
|
Low Temperature Lockout | View Details |
| P1 |
Dehumidifier displays P1 and does not start dehumidifying
|
Defrost Mode Active / Coil Defrosting | View Details |
| P2 |
Dehumidifier shows P2 and stops collecting water
|
Bucket Full / Water Tank Full Protection | View Details |
| P3 |
Dehumidifier displays P3 and will not start
|
Pump Protection / Pump Error (for models with built-in pump) | View Details |
| – |
Dehumidifier fan runs but compressor never starts; no error code
|
Compressor Start Failure | View Details |
| – |
Dehumidifier is very noisy during operation (rattling, buzzing, or grinding)
|
Excessive Noise / Vibration | View Details |
| – |
Dehumidifier leaks water onto the floor
|
Water Leakage | View Details |
| – |
Dehumidifier powers on but fan does not run; compressor may start then stop
|
Fan Motor Failure | View Details |
| – |
Dehumidifier runs but does not collect water; humidity in room remains high
|
No Dehumidification / Weak Cooling | View Details |
| – |
Dehumidifier runs continuously and never reaches set humidity
|
Ineffective Dehumidification / Undersized or Sensor Fault | View Details |
| – |
Dehumidifier shows bucket full icon but bucket is empty
|
False Bucket Full Detection | View Details |
| – |
Dehumidifier shuts off after a few minutes even though humidity is high
|
Premature Shutoff / Incorrect Humidity Sensing | View Details |
| – |
Dehumidifier will not power on at all; display is blank
|
No Power / Dead Unit | View Details |
| – |
Humidifier display and buttons work but unit shuts off randomly
|
Intermittent Power / Loose Connection | View Details |
| – |
Humidifier emits a white dust on nearby surfaces
|
Mineral Dust Emission | View Details |
| – |
Humidifier has a bad odor during operation
|
Bacterial / Mold Contamination | View Details |
| – |
Humidifier is on but produces no mist
|
No Mist Output (Humidifier) | View Details |
| – |
Humidifier leaks water from the base or around the tank
|
Humidifier Water Leakage | View Details |
| – |
Humidifier produces very weak mist even at maximum setting
|
Reduced Mist Output | View Details |
| – |
Humidifier touchscreen or buttons do not respond
|
Control Panel Failure (Humidifier) | View Details |
| – |
Humidifier water tank is full but unit does not run; behaves as if empty
|
Tank Detection Failure | View Details |
No matching codes found
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