Electrolux E23CS75DSS0 - Normal Operation; Showroom Mode; How to Test the Perfect Temp Drawer; Mixing Valve Test

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Toreplacethethermistorbythedamperyoumust
replacethelowvoltagewiringharness.
1. Removebackcoverfromcontrol.
2.  Unplugthermistorfromcontrolboard.
NOTE
Thisthermistorispartofthecontrolwiring
harness.Youwillneedtoremovethe10pin
connectorfromthehousinganddisconnectthe
7pinconnectornexttothethermistorconnector
inthemaincontrolboard.Alsoremovethe4pin
connectorfromtheboardandfromthedamper
motortoreplacethethermistor.
Addendum A - Perfect Temperature Drawer
3.  Slidethermistoroutofcontrolhousing.
Thewirecomingfromthefoodcompartmentlight
switchwillletthecontrolknowwhenthefood
compartmentdoorisopened.ThePerfectTemp
Drawerfanswillturnoffwhenthefreshfood
compartmentdoorisopen.
Normal Operation
Thisdisplaywillshowthesetpointtemperature
whennoerrorconditionsexistandashtheerror
codeifanerrorexists.Temperaturedisplaymode
(ForC)isuserselectableviatheC/Fbutton.
Thefollowingerrorcodesmaybedisplayed:
9X Shortedkey/buttonwhereXis1for“ON/
OFF”,2for“+”,3for“C/F”,4for“-”,5fot
“controllock”,6for“∨”,and7for“∧”.
2X OpenNTCwhereXis1forthechamber
NTCand2forthefreezerNTC.
3X ShortedNTCwhereXis1forthechamber
NTCand2forthefreezerNTC.
CE LossofcommunicationsbetweentheUIand
MainPCB.
HI°F-UCLovertemperaturetimeoutexceeded.
LO°F-LCLundertemperaturetimeoutexceeded.
Showroom Mode
Activation-Thismodeisaccessibleonlywhen
thedrawerisinOFFmode.Pressandhold
“+”keywhilepressing“-”key3timeswithin5
seconds.Displayashes“0”for10seconds.
UsermustpressON/OFFkeytoaccept,
otherwisethecontrolremainsinnormal
operation.
Deactivation-PORdeactivatesShowroomMode
Loads-Closesmixingvalve,disablesheater,
fan,ON/OFF,anderrorcodes.Enablesall
displayfunctionsandkeyoperationswiththe
exceptionofchangingtheoperatingmode.
Figure 16
ThermistortoSenseDefrostCycle
defrostcycle.Atthispoint,thecontrolwillre-open
thedamper.(SeeFigure16.)