Page 14
Issue
Possible Causes
The outdoor unit makes
noises
The unit will make different sounds based on its current operating mode.
The outdoor unit makes
noises
The unit may accumulate dust during extended periods of non-use, which will be
emitted when the unit is turned on. This can be mitigated by covering the unit during
long periods of inactivity
The unit emits a bad odor
The unit may absorb odors from the environment (such as furniture, cooking,
cigarettes, etc.) which will be emitted during operations.
The unit's filters have become moldy and should be cleaned.
The fan of the outdoor unit
does not operate
The unit's filters have become moldy and should be cleaned.
Operation is erratic,
unpredictable, or unit is
unresponsive
Interference from cell phone towers and remote boosters may cause the unit to
malfunction.
In this case, try the following:
• Disconnect the power, then reconnect.
• Press ON/OFF button on remote control to restart operation
NOTE: I
f 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
Possible Causes
Solution
Poor Cooling
Performance
Temperature setting may be higher
than ambient room temperature.
Lower the temperature setting.
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 instructions.
The air inlet or outlet of either unit is
blocked.
Turn the unit off, remove the obstruction and turn it back
on.
Doors and windows are open.
Make sure that all doors and windows are closed while
operating the unit.
Excessive heat is generated by
sunlight.
Close windows and curtains during periods of high heat
or bright sunrise.
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.
SILENCE function is activated
(optional function)
SILENCE function can lower product performance by
reducing operating frequency. Turn off SILENCE function.
