Whynter ARC-148M Instruction Manual page 18

TROUBLESHOOTING
Problem
The unit has worked for a long
time, but the room is not cold
enough
The unit is very noisy
The unit leaks water
Fan speed cannot be changed
Possible Causes
 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
 The unit is not level
 The surface underneath the unit is
uneven
 Low power voltage
 The unit is tilted or not leveled
 The water tank is full
 Fan speed differences are not very
noticeable
Solutions
 Close all windows and doors
 You may need additional cooling or
another air conditioner
 Close curtains or blinds and try to min-
imize the amount of direct sunlight into
the room
 You may need additional cooling or
another air conditioner
 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 ex-
tension cord
 Make use the unit is leveled
 Drain water from the drain plug at the
back of the air conditioner
 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 differ-
ence between high and low fan speed
settings.
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