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English-34
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.
• EnsureIsolatorisswitchon.
• CheckifyouhavesettheOTimer.Operatetheairconditioner
again by pressing the Power button.
The temperature
adjustment is not
working.
• CheckifyouhaveselectedFan/Fastmode.Inthesemodes,desired
temperature is set to auto and you cannot adjust the temperature.
Cool/Warm air does
not come out of the
air conditioner.
• Checkifthesettemperatureishigher(duringCoolmode)/
lower(during Heat mode) than the current temperature. Press the
Temp + or - button on the remote controller to change the set
temperature.
• CheckiftheAirlterisblockedbydirt.Ifthereisalotofduston
theAirlter,cooling(heating)performancemaydecrease.Clean
them frequently.
• Checkiftheoutdoorunitiscoveredorinstalledneartheobstacle.
Take the cover o and take the obstacle away.
• Checkiftheairconditionerisoperatingindefrostmode.Whenthe
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.
• Ifthedoorsorwindowsareopen,itmaycausebadcooling
(heating) performance.
Close the doors and windows.
• Checkiftheairconditionerhasjustbeenturnedonafterstopping
cooling or heating operation. In this case, just a fan will run to
protect the outdoor unit compressor.
• Checkifthepipelengthistoolong.Whenthepipelengthexceeds
maximum allowable pipe length, cooling (heating) performance
may decrease.
Air ow adjustment
is not working.
• Checkifyouhaveselected 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.)
A3050 Australia_IB&IM_DB68-05206A_EN.indd 34 2014/12/29 19:07:31
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