Kenmore Elite 795.78542.801 Service Manual Download Page 15 | Manualshive

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5. CIRCUIT DIAGRAM

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CIRCUIT DIAGRAMS

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Summary of Contents for Elite 795.78542.801

Page 1: ... PRECAUTIONS IN THIS MANUAL REFRIGERATOR SERVICE MANUAL R 795 78542 801 795 78543 801 795 78544 801 795 78546 801 795 78549 801 795 78552 801 795 78553 801 795 78554 801 795 78556 801 795 78559 801 P No MFL47912405 Last Revision March 10 2008 Model s ...

Page 2: ...20 COMPRESSOR AND ELECTRIC COMPONENTS 17 PTC AND OLP 18 OTHER ELECTRICAL COMPONENTS 18 SERVICE DIAGNOSIS CHART 19 REFRIGERATION CYCLE 20 21 7 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 22 27 8 DESCRIPTION OF FUNCTION AND CIRCUIT OF MICOM 26 47 CONTENTS Please read the following instructions before servicing your refrigerator 1 Unplug the power before handling any elctrical componets 2 Check...

Page 3: ... kWh yr Energy Star 25 cu ft 476 kWh yr Energy Star 1 4 NO LOAD PERFORMANCE CONTROL POSITION MID MID Ambient of 70 F 90 F Fresh Food F 33 F to 41 F 33 F to 41 F Frozen Food F 4 F to 4 F 4 F to 4 F Percent Running Time 35 45 50 F 70 F 1 5 REFRIGERATION SYSTEM Minimum Compressor Capacity Vacuum 20 MIN Minimum Equalized Pressure 70 F 52 PSIG 90 F 59 PSIG Refrigerant R134a 4 59 oz Compressor 821 BTU h...

Page 4: ... w o Handles B 31 3 4 in Depth w o Door C 27 7 8 in Depth Total with Door Open D 46 1 2 in Height to Top of Case E 68 3 8 in Height to Top of Door Hinge F 69 3 4 in Width G 35 3 4 in Width door open 90 deg w o handle H 39 1 4 in Width door open 90 deg w handle I 44 1 4 in ...

Page 5: ...ity Controlled Crisper Adjusta Cube Ice Maker Wide Pantry Drawer Ice Bin Freezer Drawer Bin Divider Pull Out Drawer Tilt Out Door Basket Modular Door Bins Modular Door Bins Bottle Holder 795 7855 Models Only Dairy Bin Utility Egg Box Door Bins Water Filter Water Tank Cover ...

Page 6: ... before installing Failure to do so could result in death or serious injury Do not put hands or feet or other objects into the air vents base grille or bottom of the refrigerator You may be injured or receive an electrical shock Be careful when you work with the hinge base grille and stopper You may be injured Open the door Remove the top hinge cover screw 1 Use a flat head screwdriver to pry back...

Page 7: ... sides of door Door Gasket Replacement 1 Insert gasket bracket clips 1 Insert gasket bracket edge beneath door frame edge 2 Turn upper gasket bracket spring so that the spring ends are in the door channel 3 Push in clip until you hear it snap securely into place 4 Push in remaining two clips until you hear each snap securely into place Note Make sure that no part of gasket bracket edge protrudes f...

Page 8: ...over dispenser Disconnect wire harness 3 Replace cover dispenser in opposite manner and order of removal 3 4 DOOR ALIGNMENT If the space between your doors is uneven follow the instructions below to align the doors 1 With one hand lift up the door you want to raise at middle hinge 2 With other hand use pliers to insert snap ring as shown 3 Insert additional snap rings until the doors are aligned T...

Page 9: ...move top shelf or shelves 3 Using a flat instrument gently pry the cover loose in the front as shown Rotate downward to remove rear tabs 4 Make sure the bulbs are cool to the touch Turn bulbs counterclockwise to remove 5 Assemble in reverse order by snapping the Lamp Cover in engaging the rear tabs followed by the front tabs Max 60 W 2EA 3 7 2 Freezer Compartment Lamp 1 Unplug refrigerator power c...

Page 10: ... freezer door up to unhook it from the rail support and remove Pull both rails to full extension Step 5 First Remove the gear from the left side first by releasing the tab behind the gear place a screwdriver between the gear and the tab and pull up on the gear Second Remove the center rail Third Remove the gear from the right side by following the same steps for the left side NOTE THIS TAB MUST BE...

Page 11: ...l align itself by pushing the rails all the way into the freezer section Pull the rails back out to full extension Step 6 Reinstall the two screws into the guide rails one from each side Step 3 Insert the rail into the left side gear and insert the gear into the clip Step 5 Reinstall the freezer door by inserting the rail tabs into the guide rail Step 7 Reinstall the lower basket and close the fre...

Page 12: ...ently lift the gear part of rear left and right side of the drawer and pull it out in direction To install reposition the gear part of rear left and right side of the drawer after pulling out both rails as much as possible and gently push down both left and right side while checking the hook on the front part 12 1 3 2 Hook ...

Page 13: ...ith this configuration can maintain a residual voltage over the compressor when the thermostat is opened obstructing the proper functioning of the TSD It is vital for the TSD circuit and compressor to remain completely de energized after opening the thermostat Ð Use of the fixing clamp is essential as this prevents disconnection or bad TSD contact in relation to the compressor as well as to runnin...

Page 14: ... in the Compressor 2 For normal operation of the OLP do not turn the Adjust Screw of the OLP in any way 14 Part Customer part number Lot code date code 330 FBYY S1 BOX98 12345678 Physical termination part number Electrical characteristics part number No Name Base phenolic UL 94 V 0 rated Movable arm support plated steel Stationary contact support plated steel Heater support plated steel Heater res...

Page 15: ...5 CIRCUIT DIAGRAM 15 CIRCUIT DIAGRAMS ...

Page 16: ...ce compressor Supply voltage rating with 10 Applied voltage isn t in acceptable range 120VAC 10 Remove TSD Starter from compressor and measure voltage between terminal C of compressor and terminal 5 or 6 of TSD Check resistance between M C S C and M S in motor compressor Check resistance of two terminals in TSD Starter Check resistance of two terminals in OLP Check the power supply under load Comp...

Page 17: ...ate TSD Starter from compressor and measure resistance between No 5 and 6 of TSD Starter with a Tester Figure 20 Separate OLP from Compressor and check resistance value between two terminals of OLP with a tester Figure 21 Observation value is 120VAC 60Hz 6 8Ω 30 The resistance value is 0Ω short or open Check another electric component Replace OLP Replace TSD Starter Figure 20 Figure 21 ...

Page 18: ...apacity Replace indicated component Advise customer that the power supply needs to be checked by an electrician Replace indicated component Cause Check voltage at starting devices Check current flowing in sub coil of Compressor Check rating of OLP Fan motor doesn t run Heavy frost buildup on evaporator Wire is open or shorted Coil is shorted or open Open Open Replace defrost Heater Replace indicat...

Page 19: ...re high Is there a gap in the door gasket Is the unit positioned in a firm and even place Are any unnecessary objects placed in the back side of the unit Check if the drip tray is not firmly fixed Check if the cover of the compressor enclosure in the lower front side is taken out Check if the door gasket is dirty with an item like juice Is the refrigerator level Is there too much food in the refri...

Page 20: ...rator don t in inlet only temperature The capillary tube is faulty cool normally WHOLE Freezer Flowing sound of refrigerant Equal to ambient Normal discharging of the CLOG compartment and is not heard and frost isn t temperature refrigerant Refrigerator don t cool formed MOISTURE Cooling operation Flowing sound of refrigerant Lower than Cooling operation restarts CLOG stops periodically is not hea...

Page 21: ...ial Very Fast Inefficient Compressor Partial Restriction Complete Restriction Equalization Test Condenser Temperature None Very Fast Very Slow Very Slow Hotter than Normal Air Low Side Leak Loss of Change Compressor Not Pumping Cap Tube Sound Room Temperature Trace of Oil Undercharge Leak Yes No Faint Fast None to Weak The equalization test is trying to restart a compressor using a start kit after...

Page 22: ...sition Icemaking Mode Harvest Mode Park Position Fill Test Mode Waits until water becomes cold after starting the icemaking operation Runs MOTOR to drop ice from the tray into the ICE BIN Performs Icemaking Mode after supplying water by operating the SOLENOID in ICE VALVE To operate LINE and SERVICE press and hold theFill Key for 3 seconds The icemaker will run through 3 stages Harvest Fill Icemak...

Page 23: ... temperature of the Tray with the icemaking SENSOR 2 Icemaking starts after completion of the water fill operation 3 The icemaking function is completed when the sensor reaches 7 C 60 minutes after starting NOTE After icemaker power is ON the icemaker heater will be on for test for 9 seconds 7 2 3 Harvest Mode 1 Harvest Ice removing refers to the operation of dropping ice into the ice bin from the...

Page 24: ...ges the time allowed for fill as illustrated in the table below Water supply amount table NOTE Below is an example used by another vendor as an explanation of what is taking place 24 STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 2 3 6 seconds 7 seconds 8 seconds The water amount will vary depending on the water control switch setting as well as the water pressure of the connected water line ...

Page 25: ...frozen the ejector will pass through the water When the fill mode begins stage 4 unless the water supply has been shut off added water will overflow into the ice bin If the control doesn t operate normally in the test mode check and repair as needed 4 After water is supplied the normal cycle is follows icemaking harvest fill park position 5 Five seconds after stage 5 is completed the icemaker retu...

Page 26: ...f lock graphic of display with lock status 3 The buzzer sound and control panel and dispenser function is not performed even if pressing display button other than lock key in the lock status 4 If desiring to release the lock status and pressing the lock button more than 3 seconds LOCK icon is turned off at the upper side of lock graphic of display with the lock release status 8 1 4 Filter conditio...

Page 27: ...ree hours 2 If defrost starts during Ultra Ice Ultra Ice operates for the rest of time after defrost is completed when Ultra Ice operation time is less than 90 minutes If Ultra Ice operates for more than 90 minutes the Ultra Ice will operate for two hours after defrost is completed 3 If Ultra Ice is pressed during defrost Ultra Ice LCD is on but this function will start seven minutes after defrost...

Page 28: ... 8 1 12 Filter Replacement Indication 1 After 6 months since the UNIT refrigerator has been powered on the water filter icon is tumed sON 2 When the water filter indicator LCD is illuminated you should change the water filter After this you must press the water filter button for three seconds and you will hear a ding dong sound The icon will be OFF This operation will indicate that the UNIT is res...

Page 29: ...T 4 The error CODE shows on the refrigerator and freezer display ERROR CODE on display panel NOTE1 In case of Room Temperature Sensor Error Er rt appears on the Display when Ultra Ice button and Freezer Temp button pressed at the same time for one second LCD check function If simultaneously pressing Ultra Ice button and freezing temperature adjustment button for a second display LCD graphics on If...

Page 30: ...operation when the Ultra Ice button and freezing temp button are pressed for more than one second at the same time freezer fan RPM changes for example if high speed to normal speed or if normal speed to high speed for 30 seconds After 30 seconds it turns to its original RPM Demonstration MODE 1 After opening the door when the Ultra Ice button and the Refrigerator Temperature Control button are pus...

Page 31: ... Vdc and the MICOM and IC 5 Vdc The voltage for each part is as follows VA1 is a part for preventing over voltage and noise When 385V or higher power is applied the inside elements are short circuited and broken resulting in blowout of the fuse in order to protect the elements of the secondary part of the TRANSFORMER PART VA 1 CE 3 CE 4 CE 5 VOLTAGE 115 Vac 12 Vdc 15 5 Vdc 5 V ...

Page 32: ...ll not work 8 2 3 Reset Circuit The RESET circuit allows all the functions to start at the initial conditions by initializing various parts including the RAM inside the MICOM IC1 when the power is initially supplied or the power supply to the MICOM is restored after a momentary power failure For the initial 10ms of power supply LOW voltage is applied to the MICOM RESET terminal During a normal ope...

Page 33: ...s a circuit to perform a temporary change of speed for the fan motor and applies DC voltage up to 7 5V 16V to motor 3 This circuit prevents over driving the fan motor by cutting off power applied to the fan motor in the lock of fan motor by sensing the operation RPM of the fan motor 33 F FAN C FAN Pin Number Pin1 2 of con4 Pin4 5 of con4 MOTOR OFF 2V or less 2V or less MOTOR ON 13V 15V 11V 15V Cir...

Page 34: ...osting and the indoor temperature for compensating for the surrounding temperature into MICOM Opening or short state of each temperature sensor are as follows 34 SENSOR CHECK POINT NORMAL 30 C 50 C SHORT CIRCUITED OPEN Freezer sensor POINT Voltage Refrigerator sensor POINT Voltage 0 5 V 4 5 V 0 V 5 V Defrosting sensor POINT Voltage Room Temperature sensor POINT Voltage A B C D ...

Page 35: ...easure the resistance of the SENSOR after leaving it for over 3 minutes in the measuring temperature This delay is necessary due to sensor response speed TEMPERATURE RESISTANCE OF FREEZER RESISTANCE OF REFRIGERATOR SENSOR DEFROST SENSOR ROOM SENSOR 20 C 22 3 KΩ 77 KΩ 15 C 16 9 KΩ 60 KΩ 10 C 13 0 KΩ 47 3 KΩ 5 C 10 1 KΩ 38 4 KΩ 0 C 7 8 KΩ 30 KΩ 5 C 6 2 KΩ 24 1 KΩ 10 C 4 9 KΩ 19 5 KΩ 15 C 3 9 KΩ 15 9...

Page 36: ...ntof froststickingon EVAPORATORandthe surfacetemperatureof thecondenserpipe USETESTMODE1 forcedCOOLING Checktheamountoffrost stickingonthe EVAPORATOR oftheRefrigerator SENSOR Checkthesealwhenthe doorisclosed POWERSOURCEis poor Appliedvoltageerror CONNECTOR connectionispoor TRANSFUSEisopen COMPRESSORlocked orblocked OLP PTCispoor COMPRESSORRELAY ispoor THECONNECTING WIREispoor Refrigerantleakage FA...

Page 37: ...ETESTMODE3 forcedDEFROSTING CheckDRAINPIPE Makesurethat DEFROSTSENSORis connected Makesurethat FREEZER REFRIGERATOR DOORisclosed FANMOTORispoor Passageofcoolairis blocked Evaporatorfrozen Doorlinerdamaged HEATERdisconnection TEMPERATUREFUSE disconnection Connectionispoor DEFROST SENSORis poor HEATERRELAYispoor DRAINPIPEisblocked Connectionispoor DOORdoesnotclose properly MakesuretheDOOR isattached...

Page 38: ...8 4 MAIN PWB ASSEMBLY AND PARTS LIST 8 4 1 Main PWB Assembly 38 Connector4 Connector1 Connector3 Connector2 Connector6 Test Switch Connector5 ...

Page 39: ...le for immediate purchase or special order when you visit your nearest Sears Service Center or the Service Department at most Sears stores To order parts by phone call the toll free parts number listed to the left When requesting service or ordering parts always provide the following information ƒUProduct Type ƒUPart Number ƒUModel Number ƒUPart Description MODELS No 795 78542 801 795 78543 801 79...

Page 40: ...A 409D 409B 158A 405F 404A 405C 332A 135D 405A S16 B03 B04 S17 S15 158B 145B B03 409B 106A 406D 610A 152B 405B 329A 103C 135C 402A 402A 410G 406B S10 S12 S11 S19 S20 S18 S02 B01 S03 S03 B01 S11 S14 262B B02 B02 S14 262H 310B 327A 610D 610B 301A S18 313A 249D 249C 610C 304A 303B 312C CASE PARTS CAUTION Use the part number to order the part not the position number 271A 271B 271C 271D 120B 145A 282G ...

Page 41: ...F 5072JA3003F 5072JA3003F 5072JA3003F Damper Noise 316B 5072JA3003B 5072JA3003B 5072JA3003B 5072JA3003B 5072JA3003B Damper Noise 317A 5851JA2008U 5851JA2008U 5851JA2008U 5851JA2008U 5851JA2008U Drier Assembly 318A 4930JA3034A 4930JA3034A 4930JA3034A 4930JA3034A 4930JA3034A Holder Drier 319A MJS37355401 MJS37355401 MJS37355401 MJS37355401 MJS37355401 Tray Drip 319C MEA42257901 MEA42257901 MEA422579...

Page 42: ...RTS CAUTION Use the part number to order the part not the position number CASE PARTS LOC No 785 3 785 6 785 2 785 9 785 4 Description B01 4000W4A003A 4000W4A003A 4000W4A003A 4000W4A003A 4000W4A003A Screw Customized B02 1STZJA3004G 1STZJA3004G 1STZJA3004D 1STZJA3004Q 1STZJA3004J Screw Customized B04 1BZZJA2002A 1BZZJA2002A 1BZZJA2002A 1BZZJA2002A 1BZZJA2002A Bolt Common S01 4J00415D 4J00415D 4J0041...

Page 43: ...5D 162A 145E 146E 151A 161B 141D 161C 151B 154A 161A 142A 140A 142B 141E 141A 141C 141B 141A 141C 141B 141A 141C 141B REFRIGERATOR PARTS CAUTION Use the part number to order the part not the position number on some models ...

Page 44: ...tomized S13 1 SZZJJ3005E 1SZZJJ3005E 1SZZJJ3005E 1SZZJJ3005E Screw Customized DOOR PARTS CAUTION Use the part number to order the part not the position number L No 78552 78553 Descrption 200A ADC55707902 ADC55707903 Door Assembly Freezer 201A ADD55708901 ADD55708801 Door Foam Assembly Freezer 203A MDS38201401 MDS38201406 Gasket Door 205B 5004JA2017A 5004JA2017A Cap Cover 205C 5004JA2017B 5004JA201...

Page 45: ...B05 S25 S26 S25 250A 205C 205B 205A 615A 262C 262C 243C 312C 244A B05 S40 S40 B05 244A 243B 203A 201A 212D S41 B06 B06 234B 234A 250B 249F S34 281E 281G 249E S34 281D 281G 249S 281F 281F 250B DOOR PARTS CAUTION Use the part number to order the part not the position number Only for the service 249Q 249R 249P 249G 249H 200A ...

Page 46: ...A1492B Cover Dispenser 279C 3806JJ2053A 3806JJ2053E Decor Drain 290A 3550JA2280A 3550JA2280A Cover PCB 291A 4890JD1112B 4890JD1112B Decor Glass Door 292A 6871JB2074B 6871JB2074B PCB Assembly Sub 293A 5021JA3020A 5021JA3020B Button Assembly 294A 4510JA2028A 4510JA2028A Lever Dispenser 295A 6877JB2181A 6877JB2181A Drawing Assembly 403A 6600JB3001C 6600JB3001C Switch Micro 616A 5210JA2012A 5210JA2012...

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