Heat Controller RADS-151H - Troubleshooting Tips

Owner’s Manual Room Air Conditioner with R-410A Heat Controller, Inc.
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Beforecallingforservice,reviewthislist.Itmaysaveyoutimeandexpense. Thislistincludescommon
occurrencesthatarenottheresultofdefectiveworkman-shipormaterialsinthisappliance.
Solution
Airconditioner
doesnotstart
Wallplugdisconnected.Pushplugfirmlyintowalloutlet.
Housefuseblownorcircuitbreakertripped.Replacefusewithtimedelaytypeor
resetcircuitbreaker.
PlugCurrentDeviceTripped.PresstheRESETbutton.
TROUBLESHOOTINGTIPS
Problem
Airfromunitdoes
notfeelcold
enough
ResettoaLowertemperature.
Roomtemperaturebelow17C(62F).Coolingmaynotoccuruntilroomtemperature
risesabove 17C(62F).
Thermostatsettoocoldfornight-timecooling.Todefrostthecoil,settoFANONLY
mode.Then,settemperaturetoaHighersetting.
Temperaturesensingelementtouchingcoldcoil,locatedbehindairfilter.Straighten
tubeawayfromcoil.
Airfiltermaybedirty.Cleanfilter.RefertoCareandCleaningsection.Todefrost,
settoFANONLY mode.
Dirtyairfilter-airrestricted.Cleanairfilter.RefertoCareandCleaningsection.
Unitrecentlyturnedoninhotroom. AllowadditionaltimetoremoveStoredheatfrom
walls,ceiling,floorandfurniture.
ControlisOFF.TurnControlONandsettodesiredsetting.
O
O
O
O
Airconditioner
cooling,butroom
istoowarm-ice
formingoncooling
coilbehind
decorativefront.
Outdoortemperaturebelow18C(64F).Todefrostthecoil,setFANONLY mode.
O
O
Airconditioner
cooling,butroom
istoowarm-NO
iceformingon
coolingcoilbehind
decorativefront.
TemperatureissettooHigh,settemperaturetoaLowersetting.
Airdirectionallouverspositionedimproperly.Positionlouversforbetterairdistribution.
Frontofunitsisblockedbydrapes,blinds,furniture,etc.-restrictsairdistribution.
Clearblockageinfrontofunit.
Doors,windows,registers,etc.Open-coldairescapes.Closedoors,windows,registers.
Compressorshut-offbychangingmodes.Waitapproximately3minutesandlistenfor
compressortorestartwhensetintheCOOL mode.
Airconditionerturnson
andoffrapidly
Noisewhenunitis
cooling
Waterdripping
INSIDEwhen
unitiscooling.
Improperinstallation.Tiltairconditionerslightlytotheoutsidetoallowwaterdrainage.
Refertoinstallationinstructions-checkwithinstaller.
Dirtyairfilter-airrestricted.Cleanairfilter.
Airmovementsound.Thisisnormal.Iftooloud,settoaslowerFANsetting.
Outsidetemperatureextremelyhot.SetFANspeedtoaHighersettingtobringairpast
coolingcoilsmorefrequently.
Windowvibration-poorinstallation.Refertoinstallationinstructionsorcheckwithinstaller.
15
62°F (17°C).
62°F (17°C).
64°F (18°C).
the rear/outside to allow water drainage.