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Troubleshooting
Issue Possible Causes
The outdoor unit
makes noises
The unit will make different sounds based on its current operang mode.
Dust is emitted from
either the indoor or
outdoor unit
The unit may accumulate dust during extended periods of non-use, which will be emied
when the unit is turned on. This can be migated by covering the unit during long periods
of inacvity.
The unit emits a
bad odor
The unit may absorb odors from the environment (such as furniture, cooking, cigarees,
etc.) which will be emied during operaons.
The unit’s filters have become moldy and should be cleaned.
The fan of the outdoor
unit does not operate
During operaon, the fan speed is controlled to opmize product operaon.
NOTE:
If problem persists, contact a local dealer or your nearest customer service center. Provide
them with a detailed descripon of the unit malfuncon as well as your model number.
Troubleshooting
When troubles occur, please check the following points before contacng a repair company.
Problem Possible Causes Solution
Poor Cooling
Performance
Temperature seng may be higher
than ambient room temperature
Lower the temperature seng
The heat exchanger on the indoor
or outdoor unit is dirty
Clean the affected heat exchanger
The air filter is dirty
Remove the filter and clean it according to
instrucons
The air inlet or outlet of either
unit is blocked
Turn the unit off, remove the obstrucon
and turn it back on
Doors and windows are open
Make sure that all doors and windows are
closed while operang the unit
Excessive heat is generated
by sunlight
Close windows and curtains during periods
of high heat or bright sunshine
Too many sources of heat in the
room (people, computers,
electronics, etc.)
Reduce amount of heat sources
Low refrigerant due to leak
or long-term use
Check for leaks, re-seal if necessary and
top off refrigerant
Page 13
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