Electrolux E23CS75DSS0 - To Service the User Interface Board and Touch Control

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Thedrawercoverhasthemembraneanduser
interfaceboardmountedinthecenterfrontsection
oftheplasticframe.Theframeonthebottomside
alsoholdstherollertrackthatthedraweritselfwill
sitintoallowittobeafullpulldrawer.
Thepowertooperatethedrawerandawirefrom
thefoodcompartmentlightswitchwillconnect
tothecontrolunitviaawireharnesscomingup
fromthebottomthroughtheserviceopeningfor
thewaterlinesandmid-levellightingwires.This
harnesswillconnecttothefourpinconnectorinthe
bottomrightbacksectionofthecontrolunit.(See
Figure5.)
Thewiringharnesscomingfromtheuserinterface
controlinthecoverwillconnecttoa10pin
connectorlocatedinthetoprightside,towardthe
frontofthecontrolunit.(SeeFigure5.)
Thedrawercovercontainstheuserinterface
board,membranekeypad,theNTCthermistor
thatsensesthedrawertemperature,andthewiring
harnessthatrunsbetweentheuserInterfaceand
themaincontrolunit.(SeeFigure6.)
Addendum A - Perfect Temperature Drawer
Figure 5
115VPowerSupply4PinConnectorisinthislocation
onback.
10PinConnectorForUserInterfaceBoardWiring
HarnessComingFromCover
CAUTION
Ground yourself to the refrigerator cabinet
before dissembling any electronic parts.
To service the user Interface board and touch
control: (SeeFigure7.)
1.  Removethedrawer.
2.  Reachbehindthecoverontherightsideand
releasetheconnectorplugfromthecover
harnesstothemaincontrolunit.
3.  Liftthecoveroffthesupportsinthelinerand
pullitforward.
4  Removethecoverfrominsidetherefrigerator
andturnitoveronacleanatsurface.
5.  Removethescrewsholdingtheuser
Interfaceboardcoverinplaceandremove
cover.
6.  Theboardwillnowsnapoutoftheretainer.
7. Disconnectthemembranekeypadand
harnessconnectorribboncablefromthe
printedcircuitboardassembly.Pushbackon
thetabsalongthefrontedgeoftheboard
andlifttheuserInterfaceboardup,pullthe
boardoutfromundertherearretainersand
liftitoutofthecover.
Figure 6
CoverOver
InterfaceBoard
CoverOver
WiringHarness
ConnectorandHarnesstoControlUnit
Wiring
Harness
Figure 7
User Interface
Pushbackonthetabsalongthefrontedgeoftheboard.