AR30KSFTAWQNSA User Manual

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English-31

OTHERS06

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.

• Checkpowerstatusandthenoperatetheairconditioneragain.

• Pluginorswitchonthecircuitbreakerandthenoperatetheair

conditioner again.

• EnsureIsolatorisswitchon.

• CheckifyouhavesettheOTimer.Operatetheairconditioner

again by pressing the Power button.

The temperature

adjustment is not

working.

• CheckifyouhaveselectedFan/Fastmode.Inthesemodes,desired

temperature is set to auto and you cannot adjust the temperature.

Cool/Warm air does

not come out of the

air conditioner.

• Checkifthesettemperatureishigher(duringCoolmode)/

lower(duringHeatmode)thanthecurrenttemperature.Pressthe

Temp + or - button on the remote controller to change the set

temperature.

• CheckiftheAirlterisblockedbydirt.Ifthereisalotofduston

theAirlter,cooling(heating)performancemaydecrease.Clean

them frequently.

• Checkiftheoutdoorunitiscoveredorinstalledneartheobstacle.

Take the cover o and take the obstacle away.

• Checkiftheairconditionerisoperatingindefrostmode.Whenthe

ice formed in winter or the outdoor temperature is too low, the

air conditioner operates in defrost mode automatically. In defrost

mode, indoor fan stops and warm air does not come out.

• Ifthedoorsorwindowsareopen,itmaycausebadcooling

(heating)performance.

Close the doors and windows.

• Checkiftheairconditionerhasjustbeenturnedonafterstopping

cooling or heating operation. In this case, just a fan will run to

protect the outdoor unit compressor.

• Checkifthepipelengthistoolong.Whenthepipelengthexceeds

maximumallowablepipelength,cooling(heating)performance

may decrease.

Air ow adjustment

is not working.

• Checkifyouhaveselected mode. In this mode, you

cannotadjusttheairowdirection.(Ifthe

mode is

operating in Heat mode, you can adjust the air ow direction.)

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User Manual - Page 31