
Troubleshooting
Refer to the following chart if the air conditioner operates abnormally. This may save
time and unnecessary expenses.
PROBLEM SOLUTION
The air conditioner
does not work at all.
• Checkpowerstatusandthenoperatetheairconditioneragain.
• Pluginorswitchonthecircuitbreakerandthenoperatetheair
conditioner again.
• CheckifyouhavesettheOTimer.Operatetheairconditioner
again by pressing the Power button.
The temperature
adjustment is not
working.
• CheckifyouhaveselectedFan/Turbomode.Inthesemodes,
desired temperature is set to auto and you cannot adjust the
temperature.
Cool air does not
come out of the air
conditioner.
• Checkifthesettemperatureishigher(duringCoolmode)thanthe
current temperature. Press the Temp + or - button on the remote
controller to change the set temperature.
• CheckiftheAirlterisblockedbydirt.Ifthereisalotofdustonthe
Air lter, cooling performance may decrease. Clean them frequently.
• Checkiftheoutdoorunitiscoveredorinstalledneartheobstacle.
Take the cover o and take the obstacle away.
• Ifyouwanttooperatetheairconditionerinthesunlight,coverthe
outdoor unit using curtains or etc.
• CheckiftheairconditionerisoperatinginDe-icemode.Whenthe
ice formed in winter or the outdoor temperature is too low, the air
conditioner operates in De-ice mode automatically. In De-ice mode,
indoor fan stops and cool air does not come out.
• Ifthedoorsorwindowsareopen,itmaycausebadcooling
performance.
Close the doors and windows.
• Checkiftheairconditionerhasjustbeenturnedonafterstopping
cooling operation. In this case, just a fan will run to protect the
outdoor unit compressor.
• Checkifthepipelengthistoolong.Whenthepipelengthexceeds
maximum allowable pipe length, cooling performance may
decrease.
Air ow adjustment
is not working.
• Checkifyouhaveselected
mode. In this mode, you
cannot adjust the air ow direction.
English-26
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