Electrolux E23CS75DSS0 - To Service the NTC Thermistor and Wiring Harness; To Service the Control Unit

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Addendum A - Perfect Temperature Drawer
To service the NTC Thermistor and wiring
harness:
1.  Removedrawer.
2.  Reachbehindcoveronrightsideandrelease
connectorplugfromcoverharnesstomain
controlunit.
3  Removecoverfrominsiderefrigeratorand
turnitoveronacleanatsurface.
4.  Removescrewsholdinguserinterfaceboard
coverinplaceandremovecover.
5.  Removethreescrewsholdingcoverover
wiringharnessandremovercover.
Youcannowreplacethewiringharness.(See
Figure8.)
Figure 8
WiringHarness
NTCThermistor
NTC=NegativeTemperatureCoefcient
To service the control unit:
1.  Removeshelfassembly.(See“Toservice
theuserInterfaceboard.)
2.  Removeonescrewfromtopcenterofcontrol.
3.  Liftunitupabout1/4inchtoreleasefour
retainerhooksonbackfromslotsinfood
compartmentliner,pullforwardslightlyand
rotatecounterclockwise.
4.  Disconnect115Vpowersupplyonbottom
rightcornerofcontrolandremovecontrol
fromfoodcompartment.
5.  Laycontrolonacleanatsurfacefacedown.
6.  Releasetabsaroundbackofcover(starting
atthebottom)holdingbackpaneltohousing
andliftcoveroff.
Thiswillletyouserviceallthecomponentsinthe
controlunit.
Figure 10
ControlBoard
BlackControlBoardRetainer
Figure 9
ControlUnit
TheControlUnit(SeeFigure9.)consistsof:
1. Amaincontrolboard.(SeeFigure10.)
2  A12VDCsteppermotorizeddamper(See
Figure11)witha3watt115VACelectric
heatertocontrolfreezingofthedamperdoor.
(SeeFigure12.)
3.  Two12VDCcirculatingfanmotors.(See
Figure13.)
4.  A20watt115VACelectricheaterassembly.
(SeeFigure14.)
5.  Safetythermostatfortheelectricheater. 
(SeeFigure15)
6. NTCthermistorforsensingincomingair
temperature.(SeeFigure16)
7.  Controlunitwiringharnesshighvoltage.
8.  Controlunitwiringharnesslowvoltage.