Electrolux E23CS75DSS0 - Defrost Thermostat; To Test the Defrost Thermostat; To Remove the Defrost Thermostat; Defrost Heater

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Section C - Electrical Components
Defrost Thermostat
Thedefrostthermostatisatemperaturesensing
device.Wiredinserieswiththedefrosttimerand
theevaporatordefrostheater,itsensestherisein
evaporatortemperatureduringadefrostcycleand
cyclesthedefrostheateroffafterallfrostismelted.
Itiscalibratedtopermitadefrostcycleonlywhen
thetemperatureisbelowapresettemperature.The
contactsinthedefrostthermostataresettoopen
at47°Fandcloseat25°F.
To Test The Defrost Thermostat
1.  Measureresistanceacrosstwothermostat
leadsatconnectorplug.Atroom
temperature,resistanceshouldbeinnity.
Contactsareopen.
2.  Placeacoupleicecubesonsidesof
thermostat.Afterafewseconds,thermostat
shouldreset.
3. Measureresistanceagain.Thistime,reading
shouldbe0.Contactshaveclosed.
4.  Ifresistencereadingsisnot“0”,replace
defrostthermostat.Contactsareprobably
burnt.
To Remove The Defrost Thermostat
1.  Disconnectrefrigeratorfromelectricalsupply.
2.  Removefreezersectionbottomshelvesand
baskets.
3.  Removeicecontainerandrailassembly.The
multiconnectoratbackofrailassemblymust
bedisconnectedbeforerailassemblywill
comefree.
4.  Loosen2screwsholdingicemakertoright
sideofcompartment,justenoughtoliftice
makerfree.Themulticonnectormustbe
disconnectedbeforeicemakerwillcomefree
fromcompartment.
5.  Removetworailassemblysupports.(two
screwsoneachone).
6.  Removefourscrewsfromevaporatorcover.
7.  Removevescrewsonevaporatorairduct
cover.
8.  Cutthetwoleadscomingfromthermost
closetothebase.Youmustleaveenough
wirecomingfromconnectortoallowfor
splicingtinnewthermostat.
9.  Removefaultythermostat.
Figure C7
Defrost
Thermostat
10. Crimptwosolderlessconnectorstothetwo
leadsonthenewthermostat.
11. Sliptwopiecesofheatshrinkontothetwo
leadscomingfromtheconnectorplug.
12. Crimptwosolderlessconnectorstothetwo
leadscomingfromtheconnectorplug.
13. Slipheatshrinkoverthesolderless
connectorsandheatthatareawithaheat
gununtiltheheatshrinkistightaroundthe
solderlessconnectors.
14. Hookthermostatbackontheevaporatornear
oratthesameplaceitwasbefore.
15. ReverseSteps1-7tocompleterepairs.
NOTE
TheDefrostThermostatReplacementKitcomes
withanewthermostat,2solderlessconnectors
andtwopiecesofheatshrinktoallowforsplicing
thenewthermostattotheconnectorplug.
Defrost Heater
Thedefrostheaterisaradiant“U”shaped
resistanceheater,ratedat450watts.Thedefrost
heaterisenergizedduringthatperiodofthecycle
whenthedefrostthermostatcontactsareclosed.
Thelengthoftimetheheaterisenergizeddepends
ontheamountoffrostaccumulationonthe
evaporator.
How To Remove The Defrost Heater
1.  Disconnectrefrigeratorfromelectricalsupply.
2.  Removefreezersectionbottomshelvesand
baskets.