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User Manual - Page 32

For AR12KSFTAWQNSA.

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English-32
PROBLEM SOLUTION
Fan speed
adjustment is not
working.
• CheckifyouhaveselectedAuto/Dry/Fast/ mode. In
thesemode,fanspeedissettoAutoandyoucannotadjustthe
fan speed.
Remote controller is
not working.
• Checkifyourbatteriesaredepleted.
• Makesurenothingisblockingyourremotecontrollersensor.
• Checkthattherearestronglightingapparatusneartheair
conditioner. Strong light which comes from uorescent bulbs or
neon signs may interrupt the electric waves.
Timer function does
not set.
• CheckifyoupresstheSet/Cancel button on the remote
controller after you have set the time.
The indicator
is blinking
continuously.
• PressthePower button or disconnect the power plug/switch
o the auxiliary power switch.
If the indicator is still blinking, contact the service center.
Odors permeate in
the room during
operation.
• Checkiftheapplianceisrunninginasmokyarea.Ventilatethe
room or operate the air conditioner in Fan mode for 1~2 hours.
(Wedonotusesmellycomponentsintheairconditioner.)
• ChecktheDrainshavebeenclearedRegularMaintenance.
Error is indicated. • Whenanindoorunitindicatorblinks,contactthenearestservice
center. Please ensure the error code is passed onto the service
center when booking the service call.
Noise is generated. • Dependingonthestatusoftheairconditionerusage,noisecan
be heard when refrigerant ow movement changes. It is normal.
Smoke is generated
from the outdoor
unit.
• Ifmaynotbearebutitcanbeasteamgeneratedbythedefrost
operation from outdoor heat exchanger during Heat mode in
winter.
Water is dropping
from the outdoor unit
piping connection.
• Watermaybegeneratedbecauseofthetemperaturedierence.
It is normal.
Indoor unit display
indicates “ , ,
"
• Thisisnotadefect.IftheairconditionerreceivesaDemand
Response signal from the power supply utility, then the
compressor and fans will be operated according to DRM
mode(DRM1,2,3).Theindoorunitdisplaywillindicate
" , , ".
see page 15 for more details about DRM mode.
Troubleshooting
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