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Issue
Possible Causes
The outdoor unit
The unit will make di erent sounds based on its current operating mode.
makes noises
Dust is emitted from
The unit may accumulate dust during extended periods of non-use, which will be
either the indoor or
emitted when the unit is turned on. This can be mitigated by covering the unit during
outdoor unit
long periods of inactivity.
The unit may absorb odors from the environment (such as furniture, cooking,
The unit emits a
cigarettes, etc.) which will be emitted during operations.
bad odor
The unit' s filters have become moldy and should be cleaned.
The fan of the outdoor
During operation, the fan speed is controlled to optimize product operation.
unit does not operate
NOTE: If problem persists, contact a local dealer or your nearest customer service center. Provide
them with a detailed description of the unit malfunction as well as your model number.
Troubleshooting
When troubles occur, please check the following points before contacting a repair company.
Problem
Poor Cooling
Performance
Page 16
Possible Causes
Temperature setting may be higher
than ambient room temperature
The heat exchanger on the indoor
or outdoor unit is dirty
The air lter is dirty
The air inlet or outlet of either
unit is blocked
Doors and windows are open
Excessive heat is generated
by sunlight
Too many sources of heat in the
room (people, computers,
electronics, etc.)
Low refrigerant due to leak
or long-term use
Solution
Lower the temperature setting
Clean the a ected heat exchanger
Remove the filter and clean it according to
instructions
Turn the unit o , remove the obstruction
and turn it back on
Make sure that all doors and windows are
closed while operating the unit
Close windows and curtains during periods
of high heat or bright sunshine
Reduce amount of heat sources
Check for leaks, re-seal if necessary and
top o refrigerant
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