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Fault phenomenon | Cause of failure | Solution |
1、Fault codeE1 | Humidity sensor failure | Humidity sensor wire or sensor falls off |
Change humidity sensor | ||
2、There is no display state on the display screen when the power is turned on | Is the power line connected | Check the power cord connection |
Whether the connection line between the main board and the display screen falls off | Adjust connection line | |
Is the main board fuse blown | Replace the fuse | |
Mainboard or display failure | Replace the motherboard or display | |
3、The display shows but the fan does not work | Key stuck | Change the surface paste or adjust the screws of the control board |
Loose wiring | Check whether the wiring is loose | |
Bad motherboard | Replace the motherboard | |
Motor stuck | Replace the motor | |
Poor capacitance | Change capacitor | |
4、The fan is in normal operation and dehumidification is not obvious | Are doors and windows open | close the doors and windows |
Is the filter screen blocked | Clean the filter screen | |
Is the humidity too low | Adjust humidity setting | |
Is the ambient temperature too low | Heating with heating equipment | |
Is there any obstruction at the air outlet | Remove obstacles | |
The environmental area is too large | Change dehumidifier or supplement dehumidifier | |
5、The whole machine runs normally and has little water output | Is the filter screen blocked | Clean the filter screen |
Is there any obstruction at the air outlet | Remove obstacles | |
Too little refrigerant or capillary oil resistance | Contact manufacturers | |
Is the wind speed working normally | Exchange wind speed | |
Is the room temperature above 5 ℃ and below 38 ℃ | The set temperature is lower than the ambient temperature | |
6、The fan operates normally without dehumidification | Is the humidity set higher than the ambient temperature | Adjust the humidity value |
Is the refrigerant leaking | Check the copper tube for leakage | |
Compressor not started | Compressor wiring loose | |
Check the main board circuit for output | ||
If the overload protector is poor, replace the protector | ||
Contact the manufacturer for compressor failure | ||
If the capacitance is poor, replace the capacitor | ||
7、It is noisy during operation | Is the machine placed smoothly | Adjust machine position |
Is the filter screen blocked | Clean the filter screen | |
Whether the anti vibration screw of compressor is loose | Adjust the anti vibration nut of compressor | |
The wind leaves swing a lot | Adjusting blade screw | |
Is there any obstruction at the air outlet | Remove obstacles | |
Piping collision with structural parts | Adjust piping | |
8、water leakage | Is there any foreign matter blocking the water pipe | Remove foreign matter |
Sand hole in water pipe | Replace the water connection pipe | |
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Fault phenomenon | Cause of failure | Solution |
1、Fault code E1 | Temperature sensor failure | Replace the temperature sensor |
2、Fault code E2 | Humidity sensor failure | Humidity sensor wire or sensor falls off |
Replace humidity sensor | ||
3、382E/582E E4 | Water tank not in place | Adjust the water tank |
Full of water | Pour water | |
Poor microswitch | Replace microswitch | |
Wrong switch wire insertion | Adjust the switch wire | |
4、There is no display state on the display screen when the power is turned on | Is the power line connected | Check the power cord connection |
Whether the connection line between the main board and the display screen falls off | Adjust connection line | |
Is the main board fuse blown | Replace the fuse | |
Mainboard or display failure | Replace the motherboard or display | |
Key stuck | Change the surface paste or adjust the screws of the control board | |
5、The display screen shows that the whole machine is not turned on or the code is garbled or broken | Key failure or wrong insertion of flat cable | Replace the surface paste or adjust the cable |
Loose wiring | Adjust the wiring | |
Bad motherboard | Replace the motherboard | |
Poor display | Replace the display | |
6、The dehumidification is not obvious or the water output is small | Are doors and windows open | close the doors and windows |
Is the filter screen blocked | Clean the filter screen | |
Is the humidity too low | Adjust the humidity value | |
Is there any obstruction at the air outlet | Remove obstacles | |
The environmental area is too large | Change the humidity machine or add the dehumidifier | |
Clogged capillary or filter | Contact manufacturers | |
7、The fan operates normally without dehumidification | Is the humidity set higher than the ambient humidity | Adjust humidity setting |
Is the ambient temperature too low | Heating with heating equipment | |
Is the refrigerant leaking | Check the copper tube for leakage | |
Compressor not started | Compressor wiring loose | |
Check the main board circuit for output | ||
If the overload protector is poor, replace the protector | ||
Contact the manufacturer for compressor failure | ||
If the capacitance is poor, replace the capacitor | ||
8、water leakage | Machine imbalance | Adjust machine position |
Outlet pipe blocked | Remove foreign matter | |
Water tank not in place | Adjust the position of water tank | |
There are sand holes in the water tray | Pour in the glass glue | |
Loose connection pipe | Tighten the water connection pipe | |
9、It is noisy during operation | Is the machine placed smoothly | Adjust machine position |
Is the filter screen blocked | Clean the filter screen | |
Whether the anti vibration screw of compressor is loose | Adjust the anti vibration nut of compressor | |
The wind leaves swing a lot | Adjusting blade screw | |
Air outlet blocked | Remove obstructions | |
Piping collision with structural parts | Adjust piping | |
Failure of wet film humidifier | ||
Fault phenomenon | Cause of failure | Solution |
1、Fault codeE3 | Sensor wire not connected | Connect the sensor wire |
Sensor failure | Replace the sensor | |
2、No display on the display screen | Is the power line connected | Check the power supply |
Whether the connecting wire falls off | Connect the connecting wire | |
Is the main board fuse blown | Replace the fuse | |
Display failure | Replace the display | |
3、Control panel failure | Key failure | Replace the mask |
