WaterLogic WL250 Mode d'emploi
WL250Manual Page55‐Revision:12‐12‐2018
DISPENSINGTROUBLESHOOTINGINDEX
1. Dispensingwon'tstopwhennotholdingtheDispensingButton
2. Waterdoesnotdispensefromunit
3. SteadyDripoutofFaucet
4. Irregular/IntermittentDispensing
5. Smallamountofwaterperiodicallydispensesfromfaucetautomatically
6. LowFlowofWater–RatedServiceFlowis1.89Liters(0.5gallons)per
Minute
7. HotWaterIntermittentlyForcedThroughtheFaucet,oraDualStreamOut
oftheFaucet
8. HotWatercomingoutofboththeFaucetandtheVentHole
9. HotWaterDripoutofFaucet
10. DispensesHotandColdWateratthesametime
11. NoColdWaterAvailable
12. ColdWaterdispensesfromFaucetandVentOutletSimultaneously
13. DispenseButtonsstick
14. Run‐OnWatercontinuestodispenseoutoffaucetafterreleasingthe
dispensebutton
AlsoincludesrelatedinstructionforHotTankDescaling
WL250Manual Page56‐Revision:12‐12‐2018
1. DispensingWon’tStopwhenNotHoldingtheDispensingButton
PossibleReason Solution
Toomuchwaterpressure.
Recommend40‐60psiforthe
WL250WaterTreatment
Systemtooperateproperly.
Thecorrectinputwaterpressureiscriticaltotheperformanceof
theunittoallowsolenoidstoopen.
Checkwaterpressureattheinletbulkheadwithawaterpressure
gauge.
Additionalmethodofverificationistoturnoffwatertounitand
pressthedispensebutton.Doesthesolenoidopenwithoutwater
pressuretotheunit?Listenforsolenoidtoactivate,notbutton
“click”.
Adjustwaterpressureto40‐60psi.
BadDisplayPCB
ReplaceFrontPCB
HotandCold–P/NEN‐6085WLCPPN12‐8103
ColdOnly–P/NEN‐6086WLCPPN12‐8615
DebrisintheSolenoid InspectSolenoidfordebrisandcleanoutasneeded.
DispensingButtonStuck
DirtorForeignmaterialisfillingthegaparoundthepush‐buttons.
Inspectthepushbuttonsandcleansurroundingarea.Inspect
faucetassemblyinsidetheunitandcleanasnecessary.
WL250Manual Page57‐Revision:12‐12‐2018
2. WaterdoesnotdispensefromUnit
PossibleReason Solution
Toomuchwaterpressure.
Recommend40‐60psiforthe
WL250WaterTreatment
Systemtooperateproperly.
Thecorrectinputwaterpressureiscriticaltothe
performanceoftheunittoallowsolenoidstoopen.
Checkwaterpressureattheinletbulkheadwithawater
pressuregauge.
Additionalmethodofverificationistoturnoffwatertounit
andpressthedispensebutton.Doesthesolenoidopen
withoutwaterpressuretotheunit?Listenforsolenoidto
activate,notbutton“click”.
Adjustwaterpressureto40‐60psi.
Closedwatersupplyvalve Openthewatersupplyvalve.
Theunitisnotproperly
pluggedintoelectricaloutlet
Checkelectricaloutletconnection,orforblowncircuit
breaker.
RedHeaterandCompressor
Switchonunitisintheoff
position
TurnRedHeaterandCompressorswitchon.
I=ON
15AmpFuseBlown Replacethe15AmpFuseasneeded.
Waterispresentinthebottom
tray,causingtheleak
detectiontotrigger.
*LeakDetectionisonthe
CounterTopModelonly.
RemovetheTopCoverandFrontPanel.Tiptheunitslightly
todrain,drybottomtraycompletely.
HotandColdSolenoid
connectionsintotheDisplay
PCBareloose.
Turnpoweroff;unplugtheunitandvisuallyinspectsolenoid
connectionsintotheDisplayPCB.Verifythesolderingpoints
onconnectionsaresecureintotheboard.
RemovethePCBtoinspectthefrontoftheboard.
ExhaustedFilter Replacefiltersasneeded.
WL250Manual Page58‐Revision:12‐12‐2018
3. SteadyDripOutofFaucet
PossibleReason Solution
DebrisinSolenoid InspectSolenoidfordebrisandcleanoutasneeded.
4. Irregular/IntermittentDispensing
PossibleReason Solution
Toomuchwaterpressure.
Recommend40to60psifor
WL250WaterTreatment
Systemtooperateproperly.
Checkwaterpressureattheinletbulkheadwithawaterpressure
gauge.
Additionalmethodofverificationistoturnoffwatertounitand
pressthedispensebutton.Doesthesolenoidopenwithoutwater
pressuretotheunit?Listenforsolenoidtoactivate,notbutton
“click”.
Adjustwaterpressureto40‐60psi.
Looseorbadconnectionon
theFrontDispensingPCBor
SolenoidConnector
Checkthattheyareconnectedproperlyandtightened.
Solenoid
IfboththeWaterPressureandPCBhavebeenruledout,thenitis
theSolenoid.
ReplaceSolenoid.
Dispensingbuttonisbrokenon
PCB
CheckPCBforlooseordamagedbutton.ReplacePCBas
necessary.
5. SmallAmountofWaterPeriodicallyDispensesfromFaucetAutomatically
PossibleReason Solution
ColdorHotWaterSolenoid
Valvemalfunction`
Inspectvalvecomponentsforproperfunction.Replaceas
necessary.
ObstructioninSolenoid
housingispreventingproper
sealingofcomponent
Pre‐determinewhetherwaterbeingdispensedisHot/Cold.
Isolatethewatersupply;pushtheDISPENSEbuttontoreleasethe
linepressure,andremovethecoilaffixedtotheSolenoidstem.
Removethestemfromthesolenoidhousingandallowwaterfrom
thetanktoflushoutthecontaminate(s).
WL250Manual Page59‐Revision:12‐12‐2018
6. LowFlowofWater–RatedServiceFlowis1.89Liters(0.5gallons)per
Minute
PossibleReason Solution
DetermineFlowofWater
RatedFlowRateis1.89Liters(0.5gallons)perMinute.
CheckFlowRatebydispensingintoacontainerforoneminute.
Measuretheamountofwaterthathasbeendispensed.
FeedLinestoosmall
Feedlinescanrestrictflowifrunlongdistancesfromthesupply.It
maybenecessarytoincreasethesupplyline(e.g.use3/8”feed
lineversus¼”).
Elbowsandturnsinthefeed
line Minimizeelbowsandturnsinthefeedline.
Filters
Filterswithhighpressuredropduetofoulingorjustbydesign.
Changefiltersmorefrequentlyorgotohighermicronsizefilterfor
localwaterconditions.
Restrictions
Flowpathtoensuretherearenoundiscoveredrestrictionsdueto
debrisormalfunctioningvalves,includingthesupplyvalveatthe
source.
BoosterPump Addaboosterpumptothesupplylineifthefeedisslowerthan
needed.
7. HotWaterIntermittentlyForcedOutthroughtheFaucet,oraDualStream
outoftheFaucet
PossibleReason Solution
Mineraldepositsonthe
expansionslotinsidetheHot
Tankventchamberwhich
blocksthenormalpathof
watertoexpand.
DescaletheTank.
SeeHotTankDescalingInstructionsthatareincludedfurther
belowwinthisTroubleshootSection.
WL250Manual Page60‐Revision:12‐12‐2018
8. HotWaterComingoutofFaucetVentHole
PossibleReason Solution
Toomuchwaterpressure.
Recommend40to60psifor
WL250WaterTreatment
Systemtooperateproperly.
Checkwaterpressureattheinletbulkheadwithawaterpressure
gauge.
Additionalmethodofverificationistoturnoffwatertounitand
pressthedispensebutton.Doesthesolenoidopenwithoutwater
pressuretotheunit?Listenforsolenoidtoactivate,notbutton
“click”.
Adjustwaterpressureto40‐60psi.
Impropertubingattachment
fromthetanktofaucetorvice
versa.
Verifytubingisconnectedproperlyfromtankoutletstocorrect
faucetattachments.
HotTankoutletholeisscaled
over.
InspectandDescaleTankasneeded.
SeeHotTankDescalingInstructionsthatareincludedfurther
belowinthisTroubleshootingSection.
SeeinstructionalvideoonthePartnerAreaoftheWaterlogic.com
websiteformoreinformation.
Expansionchamberisnot
sealedproperly. ReplacetheHotTank.
WL250Manual Page61‐Revision:12‐12‐2018
9. HotWaterDripoutofFaucet
PossibleReason Solution
SmallOutletVentHolesusceptibletoscale
buildup.
DescaleTank.
SeeHotTankDescalingInstructionsthatareincluded
furtherbelowinthisTroubleshootingSection.
SeeinstructionalvideoonthePartnerAreaofthe
Waterlogic.comwebsiteformoreinformation.
AllWaterlogicHotTankshaveabuiltinVentor
ExpansionChamberinthetopofthetankexceptfor
WL270(GF)units.
TheVentChamberallowsforexpansionofthewater
whenitisheated.
Thechambersareseparatedbyawelded‐intank
baffle.
Wateralwaysflowsintothebottomofthetankand
outthetoptothefaucet.
Thehottankoutlettubehasarestrictorinitsbase.
Thisensuresthereservoirisalwaysfullbyallowing
morewaterinthanout.
Thereisasmallholeinthesideofthetankoutlettube
thatallowsairandwatertopassintothevent
chamberasitisheated.
Waterintheventchamberissuctionedbackthrough
theoutlettubeventholewhenwaterisdispensed.
Expansionofwaterasitisheatedinthereservoirwill
pushthewateroutthefaucetwhentheoutlettube
ventholebecomespluggedwithdebrisorscale.
ThesmallOutletVentHoleissusceptibletoscalebuild
upandisakeyindicatorthatdescalingisrequired.
Itiscriticaltodescalethehottankthroughthevent
lineandoutletlineonaregularbasistopreventthis
problem.
Descalingthroughtheinletand/oroutletlinesonly
willnotcleantheventchamberandoutletventhole
properly.
WL250Manual Page62‐Revision:12‐12‐2018
10. DispensesHotandColdWaterattheSameTime
PossibleReason Solution
Toomuchwaterpressure.
Recommend40to60psifor
WL250WaterTreatment
Systemtooperateproperly.
Checkwaterpressureattheinletbulkheadwithawater
pressuregauge.
Additionalmethodofverificationistoturnoffwatertounit
andpressthedispensebutton.Doesthesolenoidopen
withoutwaterpressuretotheunit?Listenforsolenoidto
activate,notbutton“click”.
Adjustwaterpressureto40‐60psi.
HotorColdsolenoidisstuck
open.
RemoveTopcover.
CheckHotSolenoid:Dispensecoldwaterandvisuallyinspect
tubingforwaterflowfrombothtanks.
CheckColdSolenoid:Disconnectelbowfromoutletofcold
solenoid.Selecthotwateranddispense(quicklyreleasing
dispensingbuttontoavoidmuchwatercomingoutofcold
solenoid.
Replacesolenoidasnecessary.
WL250Manual Page63‐Revision:12‐12‐2018
11. NoColdWaterAvailable
PossibleReason Solution
Toomuchwaterpressure.
Recommend40to60psifor
WL250WaterTreatment
Systemtooperateproperly.
Checkwaterpressureattheinletbulkheadwithawater
pressuregauge.
Additionalmethodofverificationistoturnoffwatertounit
andpressthedispensebutton.Doesthesolenoidopen
withoutwaterpressuretotheunit?Listenforsolenoidto
activate,notbutton“click”.
Adjustwaterpressureto40‐60psi.
ClosedWaterSupplyValve OpentheWaterSupplyValve
ColdWaterSolenoidValve
malfunction Inspectthevalvecomponentsforproperfunctionality.
RedHeaterandCompressor
Switchonunitisoff.
TurnRedHeaterandCompressorSwitchon.
I=ON
Looseconnection(s)onthe
DisplayPCB
Turnpoweroff;unplugtheunitandvisuallyinspectsolenoid
connectionsintotheDisplayPCB.Verifythesolderingpoints
onconnectionsaresecureintotheboard.
RemovethePCBtoinspectthefrontoftheboard.
ExhaustedFilter Replacefiltersasneeded.
12. ColdWaterDispensesfromFaucetandVentOutletSimultaneously
PossibleReason Solution
Impropertubingattachment
fromthetanktofaucetorvice
versa
Verifytubingisconnectedproperlyfromtankoutletsto
correctfaucetattachments.
Scalehasformedinsidecold
tankoutlettube.
Removecoldwateroutlettubefromtanktofaucet.Pour
somescaleremoverintocoldtank.
ExpansionchamberinCold
Tankisnotsealedproperly. ReplaceColdTank.
WL250Manual Page64‐Revision:12‐12‐2018
13. DispenseButtonsStick
PossibleReason Solution
DirtorForeignmaterialis
fillingthegaparoundthe
push‐buttons.
Inspectthepushbuttonsandcleansurroundingarea.
Inspectfaucetassemblyinsidetheunitandcleanas
necessary.
14. RunOn–Watercontinuestodispenseoutoffaucetafterreleasingthe
dispensebutton
Reason
“RunOn”or“CarryOn”ispresentinallWaterlogicpressurefedunitswithoutoutlet
solenoids.
“RunOn”isdefinedistheamountofwaterthatcontinuestodispenseoutofthefaucetafter
releasingthedispensebutton.
RunOnexistsbecausethetankspressurizeaswaterisbeingdispensed.EveryWaterlogictank
hasanoutletrestrictortoensurethetanksremainfullofwaterandwateriscontrolledasitis
releasedtothefaucet.Theinletsolenoidcontrolsflowintothetanks.Thetankswill
“depressurize”oncethedispensebuttonisreleasedtheinletsolenoidcloses.Asmallamount
ofwaterwill“RunOn”throughthefaucetasthetankdepressurizestoatmospheric
conditions.
Typical“RunOn”is2‐3seconds.
“RunOn”canbereducedbyinstallingapressurelimitingdevice.
Theamountofinletorsupplypressuredirectlyimpactstheamountof“RunOn”asquantified
below.
WLCPLabTestingofRnOn7‐31‐2013
Pressure Pressure Time FlowRate RunOn
StaticPSI DynamicPSI 4Liters I/min Seconds
68 40 61 2.9508197 3
50 30 72 2.5 2.5
32 20 92 1.956217 2
Pressuremeasuredatinletlinetounit.Staticwithunitclosed.Dynamicwithunit
dispensingcoldwater.
Nofilterswereinstalledinunit.
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