Kenmore Freezer 253 Refrigerator Series ...
tr Regular tr Safety m GrediUcallGode: PT 50/950t8735 x Proc lD: GPT121 m Job Gode: 46000Y Merchandise codes:
sF46-479
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September16, 2002
Page1 of 5
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FREEZEROg FREEZERUPROg
SERVICEFLASH
DIVISION 46 253 SOURCE
KENMORE FREEZER ELECTRONIC BOARDFAILURES REWORK CONTROL M O D EL S:
=-
- 14 CubicFoot Upright,ManualDefrostFreezer,with Batterybackup Alarm, 253.22402100 - 17 CubicFoot Upright,Frost FreeFreezer 253.21741103,253.21741104 - 20 CubicFoot UprightFreezers 253.210.47104,?53.219418 &253.210821!3,28..21082104 Serial Number Range Affected: WB2l5xxxxx through WB236xxxxx
GONDITION: The electroniccontrol usedto control all freezeroperationsmay not resumenormal cooling conditionsafter a power outageor low voltagecondition.Intermittentoperationcan be causedby moisturefreezingin the variableresistor(Cold Control) and causingan opencircuit to the electroniccontrol board.
GORREGTION: Replacethe ElectronicBoard locatedin compressorcompartmentareaand install a foam shieldover temperaturecontrol following the instructions containedin this flash. Note: Customers who havepurchased the above models will be sent letters instructing them to contact Sesrs to have the their freezer apgrsded. Retail floor stock is not effected by this rework.
- JOE DRAKE DEPARTMENT 7O2PSS - BOBVONDALE DEPARTMENT 7O2PSO
sF46-479 September 16,2002 Page2 of 5 PARTS:
E Add to Truck Stock
E Truck Stock Not Recommended
Order repair kits from Division 46, Source253 using the informationbelow. Recommendedtruck stock is two of each kit per truck. Model: 253.22402100:14 Cubic Foot Freezer(kit #49!!5!q0) Models:253.21741103,253.2174110417,253.21041104,253.21041105,253.21082103,253.21082104 l7 & 20 Cubic Foot Freezers(kit #216886000)
CALL CLOSING PROCEDURES L Add PROC I.D. GPT121before addingthejob codeor part number,this will drive the P.T. coveragecall closecodewhen closing ServiceOrder. 2. Verify the Model and SerialNumber of unit servicedand confirm this model is listed above. 3. SelectJob Code 46000Y with coveragePT 4. Call Code 50, sub-accountcode 950 will be pre-filled by chargingunit 8735.Pleasecheck for accuracy. 5. In the techniciancommentfield type, "ReplacedElectronicControl Kit per SF46-479". Note: Failure to follow the above instructions will nesultin your serviceunit not receiving proper credit for the repair.
Rework ProcedureFor ElectronicControls *Important: Before servicingthe product,unplug the unit from the electricaloutlet.Before touchingthe new electroniccontrol, the Technicianmust groundthemselvesto a metal surfaceby touchingany clean metal surfaceon the product. 1. Working from the back of the freezer,locateelectroniccontrol box. If the metal control box has a green " on the side of the control, it doesnot needto be replaced.Otherwise,removeall four wire harness ions. *Note: Groundwire will be removedlater.
. JOE DRAKE DEPARTMENT 7O2PSS DEPARTMENT 7O2PSO BOBVONDALE
sB46-479 September 1612002
Page3 of 5 2 . Using a small or stubby Phillips screwdriver,remove the two screwsthat attachthe electronic control box to the unit. The green ground wire can now be removed.
3. To reinstall the new electronic control box in the freezer, attachthe harnessand the ground wire to the electronic control box before fastening it to the freezer. String the wire harnessgoing to the door harnessthroughthe black cable-tieloop beforemaking this connection.The replacementcontrol will have the greendot locatedon the metal box.
4. The 14 cubic foot model will not usethe Sryrofoamcover,proceedto step13. 5 . Remove the cold control knob, using a flashli$ht, look through fhe evapof'dtoreov€r affiIe cotdcontrol mounting hole to determineif the cold control has a Styrofoamshieldaroundit, if it doesnot continueto the next step.If it hasthe Styrofoamshieldproceedto step# 13.
6 . Removethe shelvingand baskets. 7 . To move the baskettracks out of the way, leave the front screw installed but loose, then remove the center and rear screw. Rotate the baskettrack until it is facing forward. Do not remove the bottom three evaporatorcover screws.Remove the top four screws and the center two screwsfrom the evaporatorcover. Carefully rock the evaporatorcover from side to side to loosen the evaporatorgaskets/sealson the side of the panel. Pull the evaporatorcover forward to gain clearancebetween cover and the back wall of the freezer.
- JOE DRAKE 7O2PSS DEPARTMENT 7O2PSO.BOBVONDALE DEPARTMENT
sF46-479 Septemb er 16, 2002 Page 4 of 5 9. There shouldnow be enoughclearanceto install the Styrofoamshieldover the cold control.Pressa long thin piece of permagum rope (supplied in the kit) around the perimeter of the foam shield. 10.Install the foam shieldover cold control,pressinto place.
I l . Place alarge piece of permagumaroundthe wires making a sealto the foam shield.
t 2 .Reinstallthe evaporatorpanel,baskettracks,shelvingand baskets. 1 3 When . completed,plug unit into an outlet to test for proper operation.If unit doesnot start,recheckall the wiring connectionsand check for proper input and output voltagesto and from the control.
t4.Finally, place the small black dot includedwith the kit on the serialplate. This will help identify the product has been upgraded. Placethe DarkBlue Dot Here;
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- JOE DRAKE DEPARTMENT 7O2PSS - BOBVONDALE DEPARTMENT 7O2PSO
sF46-479 September 16e2002
Page5 of 5
AdditionalProductSpecifications: 30 minute) (FrostFreeModelsOnly)= 12 hrs.(Length, DefrostFrequency How to Initiatea Defrost? = 2 WaYs: "QuickFreeze"for 5 to 10 seconds.lt is the samemethodto 1. Depress"AlarmPad"and terminatea defrostcycle. in the roundopeningon the HighVoltageControlboardnextto the 2. Depressthe microswitch is activated. opening.The controlwillbeepwhenthe defrost-cycle unuseddisconnect-plug of the statusof the defrost a defrostcycle,the unitshouldshutdownregardless Wheninitiating Bimetal) or (Openor ClosedDefrostHeater components. "beep"willbe heardfromthe an audibleconfirmation or terminated Whendefrostis eitherinitiated maincontrolbox. DiagnosticsMode: "QuickFreeze" for longerthan10 seconds. the"AlarmPad"and Depress
it is in diagnostics.) (TheMiddleLEDwillflash,Red,Green,Red,Greenindicating Top LED - lf it flashesGreenthen off, you have a bad Cold Control. (Theresistance of ColdControl,at setting4, is 3-4KOhms) BottomLED - lf it flashesYellow,off, Yellow,off, you have a bad Thermistor. at77 degreesis 8-9KOhms) (Theresistance of thethermister u4" with the cabinetcycling the thermistor For the frost free models:@ cold control setting resisfancewill be about 69K Ohms. The resistanceof the thermistorand variableresistor(ColdControl)can be checkedfrom the rear of the unit withouthavingto disassemblethe evaporatorcover. Locatethe small4 pin disconnect plug on the electroniccontrol.(Red, Blue and Gray)Measurethe resistancebetweenthe red and ine gray wire; this is the thermistorconnection.(About8 K Ohms at room temp) Now measurethe resistancebetweenthe gray and blue wires,this checksthe cold controlresistance.(3-4Kohms)
- JOE DRAKE 7O2PSS DEPARTMENT 7O2PSO.BOBVONDALE DEPARTMENT
sF46-479
ffifrffi
l'fun*rrhal"
September16, 2002
Page1 of 5
PrudurtRrpa[r$srvir*s
FREEZEROg FREEZERUPROg
SERVICEFLASH
DIVISION 46 253 SOURCE
KENMORE FREEZER ELECTRONIC BOARDFAILURES REWORK CONTROL M O D EL S:
=-
- 14 CubicFoot Upright,ManualDefrostFreezer,with Batterybackup Alarm, 253.22402100 - 17 CubicFoot Upright,Frost FreeFreezer 253.21741103,253.21741104 - 20 CubicFoot UprightFreezers 253.210.47104,?53.219418 &253.210821!3,28..21082104 Serial Number Range Affected: WB2l5xxxxx through WB236xxxxx
GONDITION: The electroniccontrol usedto control all freezeroperationsmay not resumenormal cooling conditionsafter a power outageor low voltagecondition.Intermittentoperationcan be causedby moisturefreezingin the variableresistor(Cold Control) and causingan opencircuit to the electroniccontrol board.
GORREGTION: Replacethe ElectronicBoard locatedin compressorcompartmentareaand install a foam shieldover temperaturecontrol following the instructions containedin this flash. Note: Customers who havepurchased the above models will be sent letters instructing them to contact Sesrs to have the their freezer apgrsded. Retail floor stock is not effected by this rework.
- JOE DRAKE DEPARTMENT 7O2PSS - BOBVONDALE DEPARTMENT 7O2PSO
sF46-479 September 16,2002 Page2 of 5 PARTS:
E Add to Truck Stock
E Truck Stock Not Recommended
Order repair kits from Division 46, Source253 using the informationbelow. Recommendedtruck stock is two of each kit per truck. Model: 253.22402100:14 Cubic Foot Freezer(kit #49!!5!q0) Models:253.21741103,253.2174110417,253.21041104,253.21041105,253.21082103,253.21082104 l7 & 20 Cubic Foot Freezers(kit #216886000)
CALL CLOSING PROCEDURES L Add PROC I.D. GPT121before addingthejob codeor part number,this will drive the P.T. coveragecall closecodewhen closing ServiceOrder. 2. Verify the Model and SerialNumber of unit servicedand confirm this model is listed above. 3. SelectJob Code 46000Y with coveragePT 4. Call Code 50, sub-accountcode 950 will be pre-filled by chargingunit 8735.Pleasecheck for accuracy. 5. In the techniciancommentfield type, "ReplacedElectronicControl Kit per SF46-479". Note: Failure to follow the above instructions will nesultin your serviceunit not receiving proper credit for the repair.
Rework ProcedureFor ElectronicControls *Important: Before servicingthe product,unplug the unit from the electricaloutlet.Before touchingthe new electroniccontrol, the Technicianmust groundthemselvesto a metal surfaceby touchingany clean metal surfaceon the product. 1. Working from the back of the freezer,locateelectroniccontrol box. If the metal control box has a green " on the side of the control, it doesnot needto be replaced.Otherwise,removeall four wire harness ions. *Note: Groundwire will be removedlater.
. JOE DRAKE DEPARTMENT 7O2PSS DEPARTMENT 7O2PSO BOBVONDALE
sB46-479 September 1612002
Page3 of 5 2 . Using a small or stubby Phillips screwdriver,remove the two screwsthat attachthe electronic control box to the unit. The green ground wire can now be removed.
3. To reinstall the new electronic control box in the freezer, attachthe harnessand the ground wire to the electronic control box before fastening it to the freezer. String the wire harnessgoing to the door harnessthroughthe black cable-tieloop beforemaking this connection.The replacementcontrol will have the greendot locatedon the metal box.
4. The 14 cubic foot model will not usethe Sryrofoamcover,proceedto step13. 5 . Remove the cold control knob, using a flashli$ht, look through fhe evapof'dtoreov€r affiIe cotdcontrol mounting hole to determineif the cold control has a Styrofoamshieldaroundit, if it doesnot continueto the next step.If it hasthe Styrofoamshieldproceedto step# 13.
6 . Removethe shelvingand baskets. 7 . To move the baskettracks out of the way, leave the front screw installed but loose, then remove the center and rear screw. Rotate the baskettrack until it is facing forward. Do not remove the bottom three evaporatorcover screws.Remove the top four screws and the center two screwsfrom the evaporatorcover. Carefully rock the evaporatorcover from side to side to loosen the evaporatorgaskets/sealson the side of the panel. Pull the evaporatorcover forward to gain clearancebetween cover and the back wall of the freezer.
- JOE DRAKE 7O2PSS DEPARTMENT 7O2PSO.BOBVONDALE DEPARTMENT
sF46-479 Septemb er 16, 2002 Page 4 of 5 9. There shouldnow be enoughclearanceto install the Styrofoamshieldover the cold control.Pressa long thin piece of permagum rope (supplied in the kit) around the perimeter of the foam shield. 10.Install the foam shieldover cold control,pressinto place.
I l . Place alarge piece of permagumaroundthe wires making a sealto the foam shield.
t 2 .Reinstallthe evaporatorpanel,baskettracks,shelvingand baskets. 1 3 When . completed,plug unit into an outlet to test for proper operation.If unit doesnot start,recheckall the wiring connectionsand check for proper input and output voltagesto and from the control.
t4.Finally, place the small black dot includedwith the kit on the serialplate. This will help identify the product has been upgraded. Placethe DarkBlue Dot Here;
*Fi;il ir!ft iilr:gl i,r"ril^:i*l#"
i.;
rilililllN K ntlffi!f;|ilil$r3ililn llllfNll Sl il|l ; lffllHll|ilff e#illss*r t *f gl,&Ls*, 4*1Hl l*r
; t r rI : ? t i
t;;.
tttfiiiI&1,irig;Iit ?I B,j*!{p.5 :,, } i:l*[{:r&i&
ftlll-L
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I tl+.y, lsl t :""1{9,-'e-F{f*!'|}W{* 7r1I'ugxr'1 i ,!lry* ,s ld**t " i.? dit*';r.;:r' :l{ l'!"s q{il.'ll Jr {iErTi rl*
- JOE DRAKE DEPARTMENT 7O2PSS - BOBVONDALE DEPARTMENT 7O2PSO
sF46-479 September 16e2002
Page5 of 5
AdditionalProductSpecifications: 30 minute) (FrostFreeModelsOnly)= 12 hrs.(Length, DefrostFrequency How to Initiatea Defrost? = 2 WaYs: "QuickFreeze"for 5 to 10 seconds.lt is the samemethodto 1. Depress"AlarmPad"and terminatea defrostcycle. in the roundopeningon the HighVoltageControlboardnextto the 2. Depressthe microswitch is activated. opening.The controlwillbeepwhenthe defrost-cycle unuseddisconnect-plug of the statusof the defrost a defrostcycle,the unitshouldshutdownregardless Wheninitiating Bimetal) or (Openor ClosedDefrostHeater components. "beep"willbe heardfromthe an audibleconfirmation or terminated Whendefrostis eitherinitiated maincontrolbox. DiagnosticsMode: "QuickFreeze" for longerthan10 seconds. the"AlarmPad"and Depress
it is in diagnostics.) (TheMiddleLEDwillflash,Red,Green,Red,Greenindicating Top LED - lf it flashesGreenthen off, you have a bad Cold Control. (Theresistance of ColdControl,at setting4, is 3-4KOhms) BottomLED - lf it flashesYellow,off, Yellow,off, you have a bad Thermistor. at77 degreesis 8-9KOhms) (Theresistance of thethermister u4" with the cabinetcycling the thermistor For the frost free models:@ cold control setting resisfancewill be about 69K Ohms. The resistanceof the thermistorand variableresistor(ColdControl)can be checkedfrom the rear of the unit withouthavingto disassemblethe evaporatorcover. Locatethe small4 pin disconnect plug on the electroniccontrol.(Red, Blue and Gray)Measurethe resistancebetweenthe red and ine gray wire; this is the thermistorconnection.(About8 K Ohms at room temp) Now measurethe resistancebetweenthe gray and blue wires,this checksthe cold controlresistance.(3-4Kohms)
- JOE DRAKE 7O2PSS DEPARTMENT 7O2PSO.BOBVONDALE DEPARTMENT
