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WDH-10 Troubleshooting

• Not all the following problems are malfunctions.

Problem	Possible causes
Dehumidifier is not operating Controls cannot be set	Unit is operating in an area where temperature is higher than 32°C or lower than 5°C. Bucket is full
Noise suddenly rises during operation	Noise will rise if compressor has just started Power supply problem Unit is placed on uneven floor
Humidity does not drop	Area to be dehumidified is too large. The capacity of your dehumidifier may not be adequate Doors are open There might be som device producing vapor in the room
Little or no effect in dehumidifying	room temperature is too low Humidity level may be improperly set If unit is operating in a room where temperature is from 5 to 15°C, it will start to defrost automatically. Compressor will stop for a brief period of time (fan will operate in high fan speed). When unit finishes defrosting, it will be back to
When first operated, the air emitted has musty-odor	Due to temperature rising of heat exchanger, the air may have some strange smell at the beginning
Unit has noise	There might be som noise if unit is operating on wooden floor (resonance)
Swooshing sound is heard	Normal. This is the sound of the flow of refridgerant

Problem of water leakage

Problem	Possible causes	Solution
WHen using drain hose, there is water in the bucket	Examine the drainage joint Drain hose is not correctly installed	Connect the drainage joint well Clear the obstacle from the drain hose Remove the drain hose and replace it. Be sure that the hose is correctly installed

Dehumidifier does not start

Problem	Possible causes	Solution
Power indicator is not lit when power is connected	Power is not supplied for the dehumidifier or the power plug is not well inserted Fuse is blown	Check if power is lost. If yes, wait for the power to restore If not, check whether the power circuit or power socket has been damaged Check whether power plug is loosen Check thether power cord is damaged
Bucket full indicator is lit up	Bucket is not properly placed Water is full in the bucket Bucket has been removed	Empty the bucket and replace it

Dehumidifier does not dry air as intended

Problem	Possible causes	Solution
Bad dehumidifying performance	Check whether there is any obstacle around the unit Air filter is dusty and blocked Doors and windows are left open Room temperature is too low	Make sure there is no curtain shutter or furniture that blacks the dehumidifier Clean the filter Make sure all doors and windows and other openings to the outside have been closed Warm temperature is good for dehumidification. Low temperature will reduce unit’s working effect. This unit should be working in a place where temperature is above 5° C.