22
FAQ
Indoor unit
Outdoor unit
Operation does not start soon.
When or any direct operation button was
pressed soon after operation was stopped.
When the mode was reselected.
•Thisistoprotecttheairconditioner.
Youshouldwaitforabout3minutes.
HEAT operation stops suddenly and
a owing sound is heard.
•Theoutdoorunitisdefrosting.HEAToperationstarts
afterthefrostontheoutdoorunithasbeenremoved.
Thiscantakeabout4to12minutes.
The air conditioner stops generating
airow during HEAT operation.
•Oncethesettemperatureisreached,theairowrateis
reducedandoperationstoppedinordertoavoid
generatingacoolairow.Operationwillresume
automaticallywhentheindoortemperaturefalls.
The ap does not start swinging
immediately.
•Theairconditionerisadjustingthepositionoftheap.
Theapwillstartmovingsoon.
Different sounds are heard.
A sound like owing water
•Thissoundisgeneratedbecausetherefrigerantinthe
airconditionerisowing.
•Thisisapumpingsoundofthewaterintheair
conditionerandcanbeheardwhenthewateris
pumpedoutfromtheairconditionerduringCOOLor
DRYoperation.
•Refrigerantowsinsidetheairconditionerevenwhen
oneindoorunitisnotinoperationiftheotherindoor
unitisinoperation.
Blowing sound
•Thissoundisgeneratedwhentheowofthe
refrigerantintheairconditionerisswitchedover.
Ticking sound
•Thissoundisgeneratedwhenthecabinetandframe
oftheairconditionerslightlyexpandorshrinkasa
resultoftemperaturechanges.
Whistling sound
•Thissoundisgeneratedwhenrefrigerantowsduring
defrostingoperation.
Clicking sound during operation or idle time
•Thissoundisgeneratedwhentherefrigerantcontrol
valvesortheelectricalpartsoperate.
Clopping sound
•
Thissoundisheardfromtheinsideoftheairconditioner
whentheexhaustfanisactivatedwhiletheroomdoors
areclosed.Openthewindoworturnofftheexhaustfan.
The outdoor unit emits water.
In HEAT operation
•Thefrostontheoutdoorunitmeltsintowaterorsteamwhentheair
conditionerisindefrostingoperation.
In COOL or DRY operation
•Moistureintheaircondensesintowateronthecoolsurfaceoftheoutdoor
unitpipinganddrips.
*Appearanceoftheoutdoorunitmay
differfromsomemodels.
Care When the Need Arises
01_EN_3P372379-11R.indd 22 22-Feb-19 1:17:08 PM