30
7. TROUBLESHOOTING
Symptom
Inspection
Solution
The unit is not
operating.
Check the power connection in securely.
Insert the power cord securely into the wall
Outlet.
Check the room temperature.
The range of operating temperature is 5-
35
℃
.
There is little
formation of
condensate.
Check the air filter for dirt.
Clean the air filter as necessary.
Check if the air duct is blocked.
To clear the obstacle.
Check if the room temperature is below
20
℃
.
This is normal. Low humidity in low
temperature environment.
Set humidity level is higher than current
humidity value.
Set the humidity level below current
humidity value.
Water Leakage
Check if the drain hose is kinked or
bends.
Straighten the hose to avoid a trap existing.
Excessive Noise
Check if the unit is securely positioned.
Place the unit on horizontal and firm
ground.
Check if any loose, vibrating parts.
Secure and tight the parts.
Noise sounds like water flowing.
Noise comes from flowing refrigerant. This
is normal.
Error
Codes
E1
Temperature sensor failure
Check connection or replace it.
E2
Humidity sensor dampened or failure.
To clean or replace the humidity sensor.
CL
Display when Room temperature is
below 5°C
（
41°F
）
.
Normal. The compressor stops, and the fan
keeps running.
CH
Display when Room temperature is
above 35
℃
（
95°F
）
.
Normal. The compressor stops, and the fan
keeps running.
LO
Display when Room relative humidity is
below 20%RH.
Normal. The compressor stops, and the fan
keeps running.
HI
Display when Room relative humidity is
above 95%RH.
Normal. The compressor and the fan keep
running.
