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19 | P a g e
The unit has worked for a
long time, but the room is
not cold enough
Windows or doors are open.
There are too many people in
the room.
There is direct sunshine into
the room.
The room is a kitchen or with
many heat-producing
appliances
There is a server in the room.
The room is too large.
Close all windows and doors.
You may need additional cooling or another
air conditioner.
Close curtains or blinds and try to minimize
the amount of direct sunlight into the room.
You may need additional cooling or another
air conditioner.
You may need additional cooling or another
air conditioner.
You may need additional cooling or another
air conditioner.
The unit is very noisy
The unit is not level.
The surface underneath the
unit is uneven.
Low power voltage.
Make sure the unit is on hard, level and
stable surface.
Move the unit to a location with a level and
hard floor.
Make sure the wall outlet and support the
required power consumption of the air
conditioner and do not use an extension cord.
The unit leaks water
The unit is tilted or not leveled
The water tank is full.
Make use the unit is leveled.
Drain water from the drain plug at the back of
the air conditioner.
The unit needs to be
drained too often
The humidity in the area may
very high
Possible loose connection
Remove the intake hose if the outside
humidity is high or it is raining
Contact Whynter Service Department
Fan speed cannot be
changed
Fan speed differences are not
very noticeable
The fan speed difference is not very
noticeable when the compressor is on. Try
setting the unit to Fan only mode, you should
be able to hear the difference between high
and low fan speed settings.
The unit does not heat
The room temperature is too
low.
The heating mode is not on.
The compressor has not
turned on yet because of its
time delay.
The set temperature is too low.
The internal water reservoir is
full.
The humidity in the area may
very high
There may be a loose
connection
The heat pump of the air conditioner does not
operate when temperature is below 45F.
Press the MODE button until the HEAT light is
show on the display
Give the compressor 3 minutes to turn on
after the Heating mode has been selected.
Set the air conditioner to a higher
temperature. It is recommended to set the
temperature to at least 5F of the ambient
temperature.
Either manually drain the water by removing
the drain plug or allow the unit to exhaust the
water itself by running the fan only mode. The
cooling will resume.
Remove the intake hose if the outside
humidity is high or it is raining
Contact Whynter Service Department
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