Insignia 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 operation
Filter Cleaning Reminder
E1
Dehumidifier will not run and displays E1 on the control panel
Room Temperature Sensor Failure
E2
Dehumidifier stops and displays E2 on the control panel
Evaporator Coil Temperature Sensor Failure
E3
Dehumidifier shows E3 and will not dehumidify
Humidity Sensor (RH Sensor) Failure
E4
Dehumidifier displays E4 and shuts down shortly after starting
Refrigerant System / Defrost Protection Fault (Coil Overheat or Sensor Range Error)
E5
Dehumidifier shows E5 and will not start the compressor
Compressor Overload / High-Temperature Protection or Current Sense Fault
E6
Dehumidifier displays E6 and stops operating
Communication Error Between Display Board and Main Control Board
E7
Dehumidifier shows E7 and will not respond to humidity settings
Keypad / Control Panel Fault
EC
Dehumidifier displays EC and stops dehumidifying
Refrigerant System / Low Refrigerant or Sensor Error
F0
Dehumidifier shows F0 and does not start
EEPROM / Control Board Configuration Error
F1
Dehumidifier displays F1 and fan does not run
Fan Motor Feedback / Fan Drive Fault
F2
Dehumidifier shows F2 and compressor cycles abnormally
Compressor Relay / Current Sense Fault
HI
Dehumidifier displays HI and may shut down
High Ambient Temperature Warning
LO
Dehumidifier displays LO and does not start dehumidifying
Low Ambient Temperature Lockout
P1
Dehumidifier displays P1 and stops collecting water
Defrost Mode Active (Low Coil Temperature Protection)
P2
Dehumidifier displays P2 and stops running
Bucket Full or Bucket Not Seated
Symptom
Dehumidifier bucket overflows even though the unit should shut off when full
Bucket Full Detection Failure
Symptom
Dehumidifier display shows inaccurate humidity (e.g., always 30% or 80%)
Humidity Reading Calibration Error
Symptom
Dehumidifier display works but buttons do not respond
Unresponsive Keypad / Control Lock
Symptom
Dehumidifier emits a burning or electrical smell
Overheating Electrical Component
Symptom
Dehumidifier emits a high-pitched squealing or grinding noise
Fan Motor or Blower Bearing Failure
Symptom
Dehumidifier fan runs but compressor never starts; air is not cooled
Compressor Start Failure
Symptom
Dehumidifier frequently freezes up; evaporator coil covered in ice
Coil Icing / Defrost Failure
Symptom
Dehumidifier has a musty or moldy smell from the air outlet
Biological Growth in Drain Pan and Coils
Symptom
Dehumidifier leaks water onto the floor instead of into the bucket
Internal Water Drainage Leak
Symptom
Dehumidifier powers on but fan and compressor do not start; only lights on the panel
Control Logic / Safety Interlock Not Satisfied
Symptom
Dehumidifier runs but collects very little water compared to before
Reduced Dehumidification Efficiency
Symptom
Dehumidifier runs but does not collect water; bucket stays dry
No Dehumidification / Loss of Cooling Capacity
Symptom
Dehumidifier runs but makes loud rattling or vibrating noises
Mechanical Vibration / Loose Components
Symptom
Dehumidifier short cycles; turns on and off every few minutes
Improper Control Cycling / Sensor Placement Issue
Symptom
Dehumidifier shuts off after a few minutes and will not restart for a while
Thermal Overload / Overheating Protection
Symptom
Dehumidifier will not power on at all; display is blank
No Power / Dead Unit
Symptom
Humidifier (Insignia) does not produce mist even though the fan runs
Ultrasonic Transducer or Heating Element Failure (Humidifier)
Symptom
Humidifier leaks water around the base during operation
Tank Seal or Base Gasket Leak (Humidifier)
Symptom
Humidifier makes gurgling or bubbling noises
Normal Water Transfer Noise / Air Entrapment
Symptom
Humidifier produces weak mist output even on high setting
Reduced Humidification Performance
Symptom
Humidifier shuts off even though there is still water in the tank
Water Level Detection Fault (Humidifier)
Symptom
Water leaks from the continuous drain hose connection at the back
External Drain Hose Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Dehumidifier displays CF after extended operation
|
Filter Cleaning Reminder | View Details |
| E1 |
Dehumidifier will not run and displays E1 on the control panel
|
Room Temperature Sensor Failure | View Details |
| E2 |
Dehumidifier stops and displays E2 on the control panel
|
Evaporator Coil Temperature Sensor Failure | View Details |
| E3 |
Dehumidifier shows E3 and will not dehumidify
|
Humidity Sensor (RH Sensor) Failure | View Details |
| E4 |
Dehumidifier displays E4 and shuts down shortly after starting
|
Refrigerant System / Defrost Protection Fault (Coil Overheat or Sensor Range Error) | View Details |
| E5 |
Dehumidifier shows E5 and will not start the compressor
|
Compressor Overload / High-Temperature Protection or Current Sense Fault | View Details |
| E6 |
Dehumidifier displays E6 and stops operating
|
Communication Error Between Display Board and Main Control Board | View Details |
| E7 |
Dehumidifier shows E7 and will not respond to humidity settings
|
Keypad / Control Panel Fault | View Details |
| EC |
Dehumidifier displays EC and stops dehumidifying
|
Refrigerant System / Low Refrigerant or Sensor Error | View Details |
| F0 |
Dehumidifier shows F0 and does not start
|
EEPROM / Control Board Configuration Error | View Details |
| F1 |
Dehumidifier displays F1 and fan does not run
|
Fan Motor Feedback / Fan Drive Fault | View Details |
| F2 |
Dehumidifier shows F2 and compressor cycles abnormally
|
Compressor Relay / Current Sense Fault | View Details |
| HI |
Dehumidifier displays HI and may shut down
|
High Ambient Temperature Warning | View Details |
| LO |
Dehumidifier displays LO and does not start dehumidifying
|
Low Ambient Temperature Lockout | View Details |
| P1 |
Dehumidifier displays P1 and stops collecting water
|
Defrost Mode Active (Low Coil Temperature Protection) | View Details |
| P2 |
Dehumidifier displays P2 and stops running
|
Bucket Full or Bucket Not Seated | View Details |
| – |
Dehumidifier bucket overflows even though the unit should shut off when full
|
Bucket Full Detection Failure | View Details |
| – |
Dehumidifier display shows inaccurate humidity (e.g., always 30% or 80%)
|
Humidity Reading Calibration Error | View Details |
| – |
Dehumidifier display works but buttons do not respond
|
Unresponsive Keypad / Control Lock | View Details |
| – |
Dehumidifier emits a burning or electrical smell
|
Overheating Electrical Component | View Details |
| – |
Dehumidifier emits a high-pitched squealing or grinding noise
|
Fan Motor or Blower Bearing Failure | View Details |
| – |
Dehumidifier fan runs but compressor never starts; air is not cooled
|
Compressor Start Failure | View Details |
| – |
Dehumidifier frequently freezes up; evaporator coil covered in ice
|
Coil Icing / Defrost Failure | View Details |
| – |
Dehumidifier has a musty or moldy smell from the air outlet
|
Biological Growth in Drain Pan and Coils | View Details |
| – |
Dehumidifier leaks water onto the floor instead of into the bucket
|
Internal Water Drainage Leak | View Details |
| – |
Dehumidifier powers on but fan and compressor do not start; only lights on the panel
|
Control Logic / Safety Interlock Not Satisfied | View Details |
| – |
Dehumidifier runs but collects very little water compared to before
|
Reduced Dehumidification Efficiency | View Details |
| – |
Dehumidifier runs but does not collect water; bucket stays dry
|
No Dehumidification / Loss of Cooling Capacity | View Details |
| – |
Dehumidifier runs but makes loud rattling or vibrating noises
|
Mechanical Vibration / Loose Components | View Details |
| – |
Dehumidifier short cycles; turns on and off every few minutes
|
Improper Control Cycling / Sensor Placement Issue | View Details |
| – |
Dehumidifier shuts off after a few minutes and will not restart for a while
|
Thermal Overload / Overheating Protection | View Details |
| – |
Dehumidifier will not power on at all; display is blank
|
No Power / Dead Unit | View Details |
| – |
Humidifier (Insignia) does not produce mist even though the fan runs
|
Ultrasonic Transducer or Heating Element Failure (Humidifier) | View Details |
| – |
Humidifier leaks water around the base during operation
|
Tank Seal or Base Gasket Leak (Humidifier) | View Details |
| – |
Humidifier makes gurgling or bubbling noises
|
Normal Water Transfer Noise / Air Entrapment | View Details |
| – |
Humidifier produces weak mist output even on high setting
|
Reduced Humidification Performance | View Details |
| – |
Humidifier shuts off even though there is still water in the tank
|
Water Level Detection Fault (Humidifier) | View Details |
| – |
Water leaks from the continuous drain hose connection at the back
|
External Drain Hose Leak | View Details |
No matching codes found
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