Master DH-720, User And Maintenance Book

Page: 7 / 108

4. Filter fixer
STORAGE
If not use the unit for an extended period of time. Please:
Turing the unit off, unplug and tidy AC cord.
► Completely empty the water tank and wipe it clean.
► Cover the unit and store where it will not receive direct
sunlight.
►► ► 8. TROUBLE SHOOTING
THE UNIT DOES NOT OPERATE:
► Is the unit plugged in?
► Is the house electricity on?
► Is the room temperature below 5
O
C or above 35
O
C? If
so, then it is out of the working range of the unit.
► Ensure the humidistat (or ON/OFF switch) is turned on.
► Check the water tank is positioned properly in the unit
and it is not full.
► Make sure the air inlet and outlet are not obstructed.
THE UNIT SEEMS TO DO NOTHING:
► Is the filter dusty, contaminated ?
► Is the air intake or outlet blocked up?
► Is the room humidity already quite low?
THE UNIT SEEMS TO DO LITTLE:
► Are too many windows or doors open?
► Is there something in the room producing lots of humi-
dity?
THE UNIT IS TOO NOISY:
► Check whether the unit is sitting on a level surface.
THE UNIT IS LEAKING:
► Make sure the unit is in good shape.
► If you are not using continuous drainage, make sure
the rubber plug (at the bottom of the unit) is in its position.
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