WaterLogic WL250 Betriebsanleitung

WL250Manual Page55‐Revision:12‐12‐2018

DISPENSINGTROUBLESHOOTINGINDEX

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1. Dispensingwon'tstopwhennotholdingtheDispensingButton

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2. Waterdoesnotdispensefromunit



3. SteadyDripoutofFaucet



4. Irregular/IntermittentDispensing



5. Smallamountofwaterperiodicallydispensesfromfaucetautomatically



6. LowFlowofWater–RatedServiceFlowis1.89Liters(0.5gallons)per

Minute



7. HotWaterIntermittentlyForcedThroughtheFaucet,oraDualStreamOut

oftheFaucet



8. HotWatercomingoutofboththeFaucetandtheVentHole



9. HotWaterDripoutofFaucet

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10. DispensesHotandColdWateratthesametime



11. NoColdWaterAvailable



12. ColdWaterdispensesfromFaucetandVentOutletSimultaneously



13. DispenseButtonsstick

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14. Run‐OnWatercontinuestodispenseoutoffaucetafterreleasingthe

dispensebutton



AlsoincludesrelatedinstructionforHotTankDescaling

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WL250Manual Page56‐Revision:12‐12‐2018

1. DispensingWon’tStopwhenNotHoldingtheDispensingButton



PossibleReason Solution

Toomuchwaterpressure.

Recommend40‐60psiforthe

WL250WaterTreatment

Systemtooperateproperly.

Thecorrectinputwaterpressureiscriticaltotheperformanceof

theunittoallowsolenoidstoopen.



Checkwaterpressureattheinletbulkheadwithawaterpressure

gauge.



Additionalmethodofverificationistoturnoffwatertounitand

pressthedispensebutton.Doesthesolenoidopenwithoutwater

pressuretotheunit?Listenforsolenoidtoactivate,notbutton

“click”.



Adjustwaterpressureto40‐60psi.

BadDisplayPCB

ReplaceFrontPCB

HotandCold–P/NEN‐6085WLCPPN12‐8103

ColdOnly–P/NEN‐6086WLCPPN12‐8615

DebrisintheSolenoid InspectSolenoidfordebrisandcleanoutasneeded.

DispensingButtonStuck

DirtorForeignmaterialisfillingthegaparoundthepush‐buttons.

Inspectthepushbuttonsandcleansurroundingarea.Inspect

faucetassemblyinsidetheunitandcleanasnecessary.





WL250Manual Page57‐Revision:12‐12‐2018

2. WaterdoesnotdispensefromUnit



PossibleReason Solution

Toomuchwaterpressure.

Recommend40‐60psiforthe

WL250WaterTreatment

Systemtooperateproperly.

Thecorrectinputwaterpressureiscriticaltothe

performanceoftheunittoallowsolenoidstoopen.



Checkwaterpressureattheinletbulkheadwithawater

pressuregauge.



Additionalmethodofverificationistoturnoffwatertounit

andpressthedispensebutton.Doesthesolenoidopen

withoutwaterpressuretotheunit?Listenforsolenoidto

activate,notbutton“click”.



Adjustwaterpressureto40‐60psi.

Closedwatersupplyvalve Openthewatersupplyvalve.

Theunitisnotproperly

pluggedintoelectricaloutlet

Checkelectricaloutletconnection,orforblowncircuit

breaker.

RedHeaterandCompressor

Switchonunitisintheoff

position



TurnRedHeaterandCompressorswitchon.

I=ON



15AmpFuseBlown Replacethe15AmpFuseasneeded.

Waterispresentinthebottom

tray,causingtheleak

detectiontotrigger.



*LeakDetectionisonthe

CounterTopModelonly.

RemovetheTopCoverandFrontPanel.Tiptheunitslightly

todrain,drybottomtraycompletely.

HotandColdSolenoid

connectionsintotheDisplay

PCBareloose.

Turnpoweroff;unplugtheunitandvisuallyinspectsolenoid

connectionsintotheDisplayPCB.Verifythesolderingpoints

onconnectionsaresecureintotheboard.



RemovethePCBtoinspectthefrontoftheboard.

ExhaustedFilter Replacefiltersasneeded.



WL250Manual Page58‐Revision:12‐12‐2018

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3. SteadyDripOutofFaucet



PossibleReason Solution

DebrisinSolenoid InspectSolenoidfordebrisandcleanoutasneeded.



4. Irregular/IntermittentDispensing



PossibleReason Solution

Toomuchwaterpressure.

Recommend40to60psifor

WL250WaterTreatment

Systemtooperateproperly.

Checkwaterpressureattheinletbulkheadwithawaterpressure

gauge.



Additionalmethodofverificationistoturnoffwatertounitand

pressthedispensebutton.Doesthesolenoidopenwithoutwater

pressuretotheunit?Listenforsolenoidtoactivate,notbutton

“click”.



Adjustwaterpressureto40‐60psi.

Looseorbadconnectionon

theFrontDispensingPCBor

SolenoidConnector

Checkthattheyareconnectedproperlyandtightened.

Solenoid

IfboththeWaterPressureandPCBhavebeenruledout,thenitis

theSolenoid.



ReplaceSolenoid.

Dispensingbuttonisbrokenon

PCB

CheckPCBforlooseordamagedbutton.ReplacePCBas

necessary.

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5. SmallAmountofWaterPeriodicallyDispensesfromFaucetAutomatically



PossibleReason Solution

ColdorHotWaterSolenoid

Valvemalfunction`

Inspectvalvecomponentsforproperfunction.Replaceas

necessary.

ObstructioninSolenoid

housingispreventingproper

sealingofcomponent

Pre‐determinewhetherwaterbeingdispensedisHot/Cold.

Isolatethewatersupply;pushtheDISPENSEbuttontoreleasethe

linepressure,andremovethecoilaffixedtotheSolenoidstem.



Removethestemfromthesolenoidhousingandallowwaterfrom

thetanktoflushoutthecontaminate(s).

WL250Manual Page59‐Revision:12‐12‐2018

6. LowFlowofWater–RatedServiceFlowis1.89Liters(0.5gallons)per

Minute



PossibleReason Solution

DetermineFlowofWater

RatedFlowRateis1.89Liters(0.5gallons)perMinute.



CheckFlowRatebydispensingintoacontainerforoneminute.

Measuretheamountofwaterthathasbeendispensed.

FeedLinestoosmall

Feedlinescanrestrictflowifrunlongdistancesfromthesupply.It

maybenecessarytoincreasethesupplyline(e.g.use3/8”feed

lineversus¼”).

Elbowsandturnsinthefeed

line Minimizeelbowsandturnsinthefeedline.

Filters

Filterswithhighpressuredropduetofoulingorjustbydesign.

Changefiltersmorefrequentlyorgotohighermicronsizefilterfor

localwaterconditions.

Restrictions

Flowpathtoensuretherearenoundiscoveredrestrictionsdueto

debrisormalfunctioningvalves,includingthesupplyvalveatthe

source.

BoosterPump Addaboosterpumptothesupplylineifthefeedisslowerthan

needed.



7. HotWaterIntermittentlyForcedOutthroughtheFaucet,oraDualStream

outoftheFaucet



PossibleReason Solution

Mineraldepositsonthe

expansionslotinsidetheHot

Tankventchamberwhich

blocksthenormalpathof

watertoexpand.

DescaletheTank.



SeeHotTankDescalingInstructionsthatareincludedfurther

belowwinthisTroubleshootSection.



WL250Manual Page60‐Revision:12‐12‐2018



8. HotWaterComingoutofFaucetVentHole



PossibleReason Solution

Toomuchwaterpressure.

Recommend40to60psifor

WL250WaterTreatment

Systemtooperateproperly.

Checkwaterpressureattheinletbulkheadwithawaterpressure

gauge.



Additionalmethodofverificationistoturnoffwatertounitand

pressthedispensebutton.Doesthesolenoidopenwithoutwater

pressuretotheunit?Listenforsolenoidtoactivate,notbutton

“click”.



Adjustwaterpressureto40‐60psi.

Impropertubingattachment

fromthetanktofaucetorvice

versa.

Verifytubingisconnectedproperlyfromtankoutletstocorrect

faucetattachments.

HotTankoutletholeisscaled

over.

InspectandDescaleTankasneeded.



SeeHotTankDescalingInstructionsthatareincludedfurther

belowinthisTroubleshootingSection.



SeeinstructionalvideoonthePartnerAreaoftheWaterlogic.com

websiteformoreinformation.

Expansionchamberisnot

sealedproperly. ReplacetheHotTank.





WL250Manual Page61‐Revision:12‐12‐2018

9. HotWaterDripoutofFaucet



PossibleReason Solution

SmallOutletVentHolesusceptibletoscale

buildup.

DescaleTank.



SeeHotTankDescalingInstructionsthatareincluded

furtherbelowinthisTroubleshootingSection.



SeeinstructionalvideoonthePartnerAreaofthe

Waterlogic.comwebsiteformoreinformation.



AllWaterlogicHotTankshaveabuiltinVentor

ExpansionChamberinthetopofthetankexceptfor

WL270(GF)units.



TheVentChamberallowsforexpansionofthewater

whenitisheated.



Thechambersareseparatedbyawelded‐intank

baffle.



Wateralwaysflowsintothebottomofthetankand

outthetoptothefaucet.



Thehottankoutlettubehasarestrictorinitsbase.

Thisensuresthereservoirisalwaysfullbyallowing

morewaterinthanout.



Thereisasmallholeinthesideofthetankoutlettube

thatallowsairandwatertopassintothevent

chamberasitisheated.



Waterintheventchamberissuctionedbackthrough

theoutlettubeventholewhenwaterisdispensed.



Expansionofwaterasitisheatedinthereservoirwill

pushthewateroutthefaucetwhentheoutlettube

ventholebecomespluggedwithdebrisorscale.



ThesmallOutletVentHoleissusceptibletoscalebuild

upandisakeyindicatorthatdescalingisrequired.



Itiscriticaltodescalethehottankthroughthevent

lineandoutletlineonaregularbasistopreventthis

problem.



Descalingthroughtheinletand/oroutletlinesonly

willnotcleantheventchamberandoutletventhole

properly.

WL250Manual Page62‐Revision:12‐12‐2018

10. DispensesHotandColdWaterattheSameTime



PossibleReason Solution

Toomuchwaterpressure.

Recommend40to60psifor

WL250WaterTreatment

Systemtooperateproperly.

Checkwaterpressureattheinletbulkheadwithawater

pressuregauge.



Additionalmethodofverificationistoturnoffwatertounit

andpressthedispensebutton.Doesthesolenoidopen

withoutwaterpressuretotheunit?Listenforsolenoidto

activate,notbutton“click”.



Adjustwaterpressureto40‐60psi.

HotorColdsolenoidisstuck

open.

RemoveTopcover.



CheckHotSolenoid:Dispensecoldwaterandvisuallyinspect

tubingforwaterflowfrombothtanks.



CheckColdSolenoid:Disconnectelbowfromoutletofcold

solenoid.Selecthotwateranddispense(quicklyreleasing

dispensingbuttontoavoidmuchwatercomingoutofcold

solenoid.



Replacesolenoidasnecessary.





WL250Manual Page63‐Revision:12‐12‐2018



11. NoColdWaterAvailable



PossibleReason Solution

Toomuchwaterpressure.

Recommend40to60psifor

WL250WaterTreatment

Systemtooperateproperly.

Checkwaterpressureattheinletbulkheadwithawater

pressuregauge.



Additionalmethodofverificationistoturnoffwatertounit

andpressthedispensebutton.Doesthesolenoidopen

withoutwaterpressuretotheunit?Listenforsolenoidto

activate,notbutton“click”.



Adjustwaterpressureto40‐60psi.

ClosedWaterSupplyValve OpentheWaterSupplyValve

ColdWaterSolenoidValve

malfunction Inspectthevalvecomponentsforproperfunctionality.

RedHeaterandCompressor

Switchonunitisoff.



TurnRedHeaterandCompressorSwitchon.

I=ON



Looseconnection(s)onthe

DisplayPCB

Turnpoweroff;unplugtheunitandvisuallyinspectsolenoid

connectionsintotheDisplayPCB.Verifythesolderingpoints

onconnectionsaresecureintotheboard.



RemovethePCBtoinspectthefrontoftheboard.

ExhaustedFilter Replacefiltersasneeded.



12. ColdWaterDispensesfromFaucetandVentOutletSimultaneously



PossibleReason Solution

Impropertubingattachment

fromthetanktofaucetorvice

versa

Verifytubingisconnectedproperlyfromtankoutletsto

correctfaucetattachments.

Scalehasformedinsidecold

tankoutlettube.

Removecoldwateroutlettubefromtanktofaucet.Pour

somescaleremoverintocoldtank.

ExpansionchamberinCold

Tankisnotsealedproperly. ReplaceColdTank.



WL250Manual Page64‐Revision:12‐12‐2018

13. DispenseButtonsStick



PossibleReason Solution

DirtorForeignmaterialis

fillingthegaparoundthe

push‐buttons.

Inspectthepushbuttonsandcleansurroundingarea.

Inspectfaucetassemblyinsidetheunitandcleanas

necessary.



14. RunOn–Watercontinuestodispenseoutoffaucetafterreleasingthe

dispensebutton



Reason

“RunOn”or“CarryOn”ispresentinallWaterlogicpressurefedunitswithoutoutlet

solenoids.



“RunOn”isdefinedistheamountofwaterthatcontinuestodispenseoutofthefaucetafter

releasingthedispensebutton.



RunOnexistsbecausethetankspressurizeaswaterisbeingdispensed.EveryWaterlogictank

hasanoutletrestrictortoensurethetanksremainfullofwaterandwateriscontrolledasitis

releasedtothefaucet.Theinletsolenoidcontrolsflowintothetanks.Thetankswill

“depressurize”oncethedispensebuttonisreleasedtheinletsolenoidcloses.Asmallamount

ofwaterwill“RunOn”throughthefaucetasthetankdepressurizestoatmospheric

conditions.



Typical“RunOn”is2‐3seconds.



“RunOn”canbereducedbyinstallingapressurelimitingdevice.



Theamountofinletorsupplypressuredirectlyimpactstheamountof“RunOn”asquantified

below.



WLCPLabTestingofRnOn7‐31‐2013

Pressure Pressure Time FlowRate RunOn

StaticPSI DynamicPSI 4Liters I/min Seconds

68 40 61 2.9508197 3

50 30 72 2.5 2.5

32 20 92 1.956217 2

Pressuremeasuredatinletlinetounit.Staticwithunitclosed.Dynamicwithunit

dispensingcoldwater.

Nofilterswereinstalledinunit.



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