TCL
TCL 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 be unresponsive.
Room Temperature Sensor Failure
E2
Dehumidifier displays E2 and stops dehumidifying; fan may still run.
Evaporator Coil Temperature Sensor Failure
E3
Dehumidifier shows E3 and compressor does not start; fan may operate intermittently.
Humidity Sensor (RH Sensor) Failure
E4
Dehumidifier displays E4 and shuts down; may occur after running for a short time.
Refrigeration System Protection / High or Low Temperature Fault
E5
Dehumidifier shows E5 and will not start the compressor.
Compressor Overload or Current Protection Fault
E6
Dehumidifier displays E6 and stops; may occur when fan should start.
Fan Motor or Fan Feedback Fault
E7
Dehumidifier shows E7 and will not operate normally; may beep repeatedly.
Communication Error Between Display Board and Main Control Board
E8
Dehumidifier displays E8 and shuts down; may be accompanied by unusual compressor noise or no cooling.
Refrigerant System or Compressor Protection Error
E9
Dehumidifier shows E9 and will not start or stops shortly after starting.
EEPROM / Memory Error on Main Control Board
EC
Dehumidifier shows EC and stops cooling; fan may still run.
Refrigerant Leak or Low Refrigerant Protection
F0
Dehumidifier displays F0 and does not respond to humidity settings properly.
Humidity Sensor Calibration / Range Error
F1
Dehumidifier shows F1 and will not start; may beep continuously.
Keypad / Control Panel Fault
F2
Dehumidifier displays F2 and may shut down or ignore temperature-related functions.
Ambient Temperature Sensor Short / Open
F3
Dehumidifier shows F3 and may not defrost properly or may shut down.
Evaporator Temperature Sensor Short / Open
F4
Dehumidifier displays F4 and may not control humidity correctly.
Humidity Sensor Short / Open
H1
Dehumidifier shows H1 and may run continuously without reaching set humidity.
High Humidity Sensor Reading / Sensor Drift
H2
Dehumidifier displays H2 and may shut down or ignore humidity settings.
Low Humidity Sensor Reading / Sensor Fault
P1
Dehumidifier displays P1 and stops dehumidifying; fan may continue to run.
Defrost Mode Active / Coil Defrosting
P2
Dehumidifier displays P2 and stops; water bucket is full or appears full to the unit.
Bucket Full / Water Tank Level Switch Activated
P3
Dehumidifier shows P3 and will not start the compressor.
Low Ambient Temperature Protection
P4
Dehumidifier displays P4 and stops operation unexpectedly.
Defrost Sensor or Defrost Circuit Error
Symptom
Dehumidifier bucket is empty but the unit indicates bucket full and will not run.
False Bucket Full Detection
Symptom
Dehumidifier display and lights work, but none of the buttons respond.
Unresponsive Keypad / Control Lock
Symptom
Dehumidifier display is dim, flickering, or segments are missing.
Display Module Failure
Symptom
Dehumidifier does not power on at all; no lights or display.
No Power / Dead Unit
Symptom
Dehumidifier emits a musty or moldy odor during operation.
Biological Growth in Drain Pan or Coils
Symptom
Dehumidifier fan runs but there is little or no airflow from the front grille.
Restricted Airflow / Fan Obstruction
Symptom
Dehumidifier frequently freezes up with ice on the evaporator coil.
Evaporator Icing / Frost Buildup
Symptom
Dehumidifier hums loudly but neither the fan nor compressor starts.
Stalled Motor / Capacitor Failure
Symptom
Dehumidifier is running but makes loud rattling, buzzing, or grinding noises.
Excessive Noise / Mechanical Vibration
Symptom
Dehumidifier leaks water onto the floor instead of into the bucket or drain hose.
Water Leakage / Drainage Fault
Symptom
Dehumidifier powers on but compressor never starts; only the fan runs.
Compressor Not Starting
Symptom
Dehumidifier runs but collects very little or no water even in a humid room.
Poor Dehumidification / Low Capacity
Symptom
Dehumidifier shuts off after a few minutes of operation and may restart later.
Overheating / Thermal Protection Cycling
Symptom
Dehumidifier trips the household circuit breaker or GFCI outlet when starting.
High Inrush Current / Ground Fault
Symptom
Dehumidifier turns on by itself or changes settings without input.
Erratic Control / Ghost Touches
Symptom
Dehumidifier’s compressor runs continuously and room becomes too dry.
Over-Dehumidification / Humidity Control Failure
Symptom
Dehumidifier’s continuous drain feature does not work; water still fills the bucket.
Continuous Drain Malfunction
Symptom
Dehumidifier’s fan never runs, but the compressor attempts to start or runs briefly.
Fan Motor Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Dehumidifier stops and displays E1 on the control panel; buttons may be unresponsive.
|
Room Temperature Sensor Failure | View Details |
| E2 |
Dehumidifier displays E2 and stops dehumidifying; fan may still run.
|
Evaporator Coil Temperature Sensor Failure | View Details |
| E3 |
Dehumidifier shows E3 and compressor does not start; fan may operate intermittently.
|
Humidity Sensor (RH Sensor) Failure | View Details |
| E4 |
Dehumidifier displays E4 and shuts down; may occur after running for a short time.
|
Refrigeration System Protection / High or Low Temperature Fault | View Details |
| E5 |
Dehumidifier shows E5 and will not start the compressor.
|
Compressor Overload or Current Protection Fault | View Details |
| E6 |
Dehumidifier displays E6 and stops; may occur when fan should start.
|
Fan Motor or Fan Feedback Fault | View Details |
| E7 |
Dehumidifier shows E7 and will not operate normally; may beep repeatedly.
|
Communication Error Between Display Board and Main Control Board | View Details |
| E8 |
Dehumidifier displays E8 and shuts down; may be accompanied by unusual compressor noise or no cooling.
|
Refrigerant System or Compressor Protection Error | View Details |
| E9 |
Dehumidifier shows E9 and will not start or stops shortly after starting.
|
EEPROM / Memory Error on Main Control Board | View Details |
| EC |
Dehumidifier shows EC and stops cooling; fan may still run.
|
Refrigerant Leak or Low Refrigerant Protection | View Details |
| F0 |
Dehumidifier displays F0 and does not respond to humidity settings properly.
|
Humidity Sensor Calibration / Range Error | View Details |
| F1 |
Dehumidifier shows F1 and will not start; may beep continuously.
|
Keypad / Control Panel Fault | View Details |
| F2 |
Dehumidifier displays F2 and may shut down or ignore temperature-related functions.
|
Ambient Temperature Sensor Short / Open | View Details |
| F3 |
Dehumidifier shows F3 and may not defrost properly or may shut down.
|
Evaporator Temperature Sensor Short / Open | View Details |
| F4 |
Dehumidifier displays F4 and may not control humidity correctly.
|
Humidity Sensor Short / Open | View Details |
| H1 |
Dehumidifier shows H1 and may run continuously without reaching set humidity.
|
High Humidity Sensor Reading / Sensor Drift | View Details |
| H2 |
Dehumidifier displays H2 and may shut down or ignore humidity settings.
|
Low Humidity Sensor Reading / Sensor Fault | View Details |
| P1 |
Dehumidifier displays P1 and stops dehumidifying; fan may continue to run.
|
Defrost Mode Active / Coil Defrosting | View Details |
| P2 |
Dehumidifier displays P2 and stops; water bucket is full or appears full to the unit.
|
Bucket Full / Water Tank Level Switch Activated | View Details |
| P3 |
Dehumidifier shows P3 and will not start the compressor.
|
Low Ambient Temperature Protection | View Details |
| P4 |
Dehumidifier displays P4 and stops operation unexpectedly.
|
Defrost Sensor or Defrost Circuit Error | View Details |
| – |
Dehumidifier bucket is empty but the unit indicates bucket full and will not run.
|
False Bucket Full Detection | View Details |
| – |
Dehumidifier display and lights work, but none of the buttons respond.
|
Unresponsive Keypad / Control Lock | View Details |
| – |
Dehumidifier display is dim, flickering, or segments are missing.
|
Display Module Failure | View Details |
| – |
Dehumidifier does not power on at all; no lights or display.
|
No Power / Dead Unit | View Details |
| – |
Dehumidifier emits a musty or moldy odor during operation.
|
Biological Growth in Drain Pan or Coils | View Details |
| – |
Dehumidifier fan runs but there is little or no airflow from the front grille.
|
Restricted Airflow / Fan Obstruction | View Details |
| – |
Dehumidifier frequently freezes up with ice on the evaporator coil.
|
Evaporator Icing / Frost Buildup | View Details |
| – |
Dehumidifier hums loudly but neither the fan nor compressor starts.
|
Stalled Motor / Capacitor Failure | View Details |
| – |
Dehumidifier is running but makes loud rattling, buzzing, or grinding noises.
|
Excessive Noise / Mechanical Vibration | View Details |
| – |
Dehumidifier leaks water onto the floor instead of into the bucket or drain hose.
|
Water Leakage / Drainage Fault | View Details |
| – |
Dehumidifier powers on but compressor never starts; only the fan runs.
|
Compressor Not Starting | View Details |
| – |
Dehumidifier runs but collects very little or no water even in a humid room.
|
Poor Dehumidification / Low Capacity | View Details |
| – |
Dehumidifier shuts off after a few minutes of operation and may restart later.
|
Overheating / Thermal Protection Cycling | View Details |
| – |
Dehumidifier trips the household circuit breaker or GFCI outlet when starting.
|
High Inrush Current / Ground Fault | View Details |
| – |
Dehumidifier turns on by itself or changes settings without input.
|
Erratic Control / Ghost Touches | View Details |
| – |
Dehumidifier’s compressor runs continuously and room becomes too dry.
|
Over-Dehumidification / Humidity Control Failure | View Details |
| – |
Dehumidifier’s continuous drain feature does not work; water still fills the bucket.
|
Continuous Drain Malfunction | View Details |
| – |
Dehumidifier’s fan never runs, but the compressor attempts to start or runs briefly.
|
Fan Motor Failure | View Details |
No matching codes found
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