Kenmore 795.65002.402 Service Manual Download | Manualshive

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8-2-8 Key Button Input & Display Light-On Circuit

The circuit shown above determines whether a function control key on the operation display is pushed. It also turns on the
corresponding function indication LED DISPLAY. The drive type is the scan type.

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150J

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Summary of Contents for 795.65002.402

Page 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL REFRIGERATOR SERVICE MANUAL TM MODELS 795 65002 402 795 65004 402 795 65009 402 795 65012 402 795 65014 402 795 65019 402 ...

Page 2: ...r head when you stand up 8 When tilting the refrigerator remove any materials on the refrigerator especially the glass shelves and stored foods 9 When servicing the evaporator wear cotton gloves This is to prevent injuries from the sharp evaporator fins 10 Disassembly repair and servicing the sealed refrigeration system should be performed only by qualified and certified personnel Refrigerant shou...

Page 3: ...ITION MID MID And 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 RunningTime 25 35 45 60 1 5 REFRIGERATION SYSTEM Minimum Compressor Capacity Vacuum 21 in Minimum Equalized Pressure 70 F 49 PSIG 90 F 56 PSIG Refrigerant R 134a 4 05 o z 21cu ft 5 47oz Compressor 687 BTU hr 1 6 INSTALLATION Clearance must be provided at top sides and rear of t...

Page 4: ...system Dairy Corner Refrigerator Light Refrigerator Shelves Egg Box Modular Snack Pan Door Bin Super Fresh Crisper with Tilt out Compartment Keeps fruits and Refrigerator vegetable fresh Door Rack and crisp Adjust cube Icemaker Freezer Light Ice Bin Durabase Glide Out Drawer Basket Divider ...

Page 5: ...out Compartment Keeps fruits and vegetable fresh and crisp Ice Maker Ice Bin Durabase Cool sense Electronic Temperature Control system Dairy Corner Modular Door Bin Refrigerator Door Rack Freezer Light Freezer Door Rack Glide Out Drawer Basket Base Grille Swing Out Freezer Door Model ...

Page 6: ...Door 1 Loosen the hexagonal bolts attaching the lower hinge to the body to remove the refrigerator door only 2 Pull out the door gasket to remove from the door foam assembly 3 2 DOOR SWITCH 1 T o remove the door switch pry it out with a slotted type driver as shown in Figure 4 2 Disconnect the lead wire from the switch 3 DISASSEMBLY 6 BOLT HINGE HINGE COVER Figure 1 GASKET Figure 2 LOWER HINGE BOL...

Page 7: ...cord from the outlet 2 Remove refrigerator shelves 3 Release the hooks on both ends of the lamp shield and pull the shield downward to remove it 4 Turn the lamp counterclockwise 5 Assemble in reverse order of disassembly Replacement bulb must be the same specification as the original Max 60 W 2EA 3 5 2 Freezer Compartment Lamp 1 Unplug refrigerator or disconnect power 2 Reach behind light shield t...

Page 8: ...he Sealed Compressor and is used for starting the Motor 2 The compressor is a single phase induction motor During the starting operation the PTC allows current flow to both the start winding and main wiinding 4 2 3 PTC Applied Circuit Diagram Starting Method for the Motor 4 2 4 Motor Restarting and PTC Cooling 1 It requires approximately 5 minutes for the pressure to equalize before the compressor...

Page 9: ...of OLP 1 OLP OVERLOAD PROTECTOR is attached to the Compressor and protects the Motor by opening the circuit to the Motor if the temperature rises and activating the bimetal spring in the OLP 2 When high current flows to the Compressor motor the Bimetal works by heating the heater inside the OLP and the OLP protects the Motor by cutting off the current flowing to the Compressor Motor 4 3 2 Role of ...

Page 10: ...GY GRIS GRAY 10 5 CIRCUIT DIAGRAM ...

Page 11: ...that power supply needs to be checked by an electrician Replace Compressor Supply voltage rating with 10 Applied voltage isn t in range of Rating Voltage 10 Remove PTC Starter from Compressor and measure voltage between T erminal C of Compressor and T erminals 5 or 6 of PTC Check resistance between M C S C and M S in Motor Compressor Check resistance of two terminals in PTC Starter Check resistanc...

Page 12: ...re resistance between No 5 and 6 of PTC Starter with a T ester Figure 14 Separate OLP from Compressor and check resistance value between two terminals of OLP with a T ester Figure 15 Observation value is 115V 60Hz 6 8 30 The resistance value is 0 short or u open Check another electric component Replace OLP Replace PTC Starter Figure 14 Figure 15 ...

Page 13: ...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 14: ...e 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 refrig...

Page 15: ...ng sound of refrigerant A little higher Normal discharging of the CLOG compartment and is heard and frost forms than ambient refrigerant Refrigerator 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 do...

Page 16: ...otect R 12 refrigerant mixing T o protect R 12 refrigerant mixing Do not mix with R 12 refrigerant T o remove the moisture from pipe inside Defect in refrigerant leak area The opening time should be reduced to a half of the standards during rain and rainy seasons the penetration of water into the pipe is dangerous Refer to repair note in each part R 134a refrigerant is more susceptible to leaks th...

Page 17: ... 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 the Fill Key for 3 seconds The icemaking will run through 3 stages Harvest Fill Icemaking With the detect lever checks...

Page 18: ...ing function will be completed in 4 hours 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 cubes into the ice bin from the tray when icemaking has Completed 2 Harvest mode 1 The heater is ON for 30 seconds then the motor starts 2 After performing Step 1 the heater is turned OFF the ej...

Page 19: ... This changes the time allowed for fill as illustrated in the table below Water supply amount TABLE STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 2 3 6 sec 7 sec 8 sec The water amount will vary depending on the water control switch setting as well as the water pressure of the connected water line NOTE Below is an example used by another vendor as an explanation of what is taking place ...

Page 20: ...shown on Ice Maker water supply control panel ERROR indicators in table can be checked only in TEST mode STAGE ITEMS INDICATOR REMARKS 1 2 3 4 5 6 HEATER MOTOR HALL IC TRAY SOLENOID VALVE HALL IC LEVER Reset Five seconds after heater starts heater will go off if temperature recorded by sensor is 10 C or lever is in up position Five seconds after heater starts you can confirm that motor is moving Y...

Page 21: ...e is less than 90 minutes If ULTRA ICE operates for more than 90minutes the ULTRA ICE will operate for two hours after defrost is completed 3 If ULTRA ICE is pressed during defrost ULTRA ICE LED is on but this function will start seven minutes after defrost is completed and it shall operate for three hours 4 If ULTRA ICE is selected within seven minutes after compressor has stopped the compressor ...

Page 22: ...or is 45 C or more when unit is newly purchased or when moved T emperature of defrosting sensor is lower than 45 C when power cuts SERVICE Reset to normal operation from TEST MODE Initial power on POWER ON in 1 2 second in 1 2 second Total load OFF COMP ON Freezer FAN ON in 7 minute in 1 2 second COMP ON Freezer FAN ON POWER ON COMP ON Freezer FAN ON Defrosting heater ON Defrosting heater OFF in 1...

Page 23: ...e is shown on the display ERROR CODE on display panel NO ITEM ERROR CODE CONTENTS REMARKS 1 2 3 4 Failure of freezer sensor Failure of Refrigerator sensor Failure of defrost sensor Poor of defrost Cut or short circuit wire Cut or short circuit wire Cut or short circuit wire 2hours later After starting defrost If sensor doesn t be over 46 F 8 C Inspect Connecting wires on each sensor Snapping of de...

Page 24: ... 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 When the ULTRA ICE key and ADJUST key of refrigerator temperature control are pressed for more than 3 seconds at the same time temperature s it converts to demonstration mode 2 In this status each LED is rotated with 1 second interval 3 In this status all Loads ...

Page 25: ...OM and IC 5 Vdc The voltage for each part is as follows VA1 is a part for preventing over voltage and noise When high voltage 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 25 PART VA 1 CE 2 CE 1 CE 4 VOLTAGE 115 Vac 12 Vdc 15 5 Vdc 5 V ...

Page 26: ...ot 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 operati...

Page 27: ...tection Circuit 1 Load Drive Condition Check G5SB 14 LOAD TYPE COMP NO 11 NO 14 NO 15 NO 12 NO 13 1V or below 12V DEFROSTING HEATER LAMP FREEZER FAN MOTOR HIG RPM FREEZER FAN MOTOR LOW RPM Measurement Location IC4 Condition ON OFF 27 RY5 ...

Page 28: ...ation Condition 0 V 5 V 0 V 5 V 0 5 s 0 5 s 2 63 kz Beep OFF 0 05 s 0 1 s 0 2 s 2 s 0 V 5 V 0 V 5 V 2 63 kz Ding 2 21 kz Dong PIN NO 31 PIN NO 30 Closed 5 V Open 0 V Freezer Refrigerator Door Measurement Location A B Tone Ding Dong when the button on the display is pushed Alarm for open door beep beep beep ...

Page 29: ...frosting and the indoor temperature for compensating for the surrounding temperature into MICOM OPENING or SHORT state of each TEMPERATURE SENSOR are as follows 29 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 A B C ...

Page 30: ...8 2 6 Refrigeration Compartment Stepping Motor Damper Circuit The circuit shown below is the damper circuit to regulate the refrigerator temperature 30 ...

Page 31: ... Down Change Up Up Up Up Up Up Up Up 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C 3 5 C 5 6k Down Down Down Change Up Up Up Up Up Up Up 2 C 1 5 C 1 C 0 5 No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C 8 2k Down Down Down Down Change Up Up Up Up Up Up Refrigerator 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C RCR 10k Down Down Down Down Down Change Up Up Up Up Up 3 C 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5...

Page 32: ...lay Light On Circuit The circuit shown above determines whether a function control key on the operation display is pushed It also turns on the corresponding function indication LED DISPLAY The drive type is the scan type 32 150J ...

Page 33: ...rature This delay is necessary due to sensor response speed TEMPERATURE DETECTED RESISTANCE OF FREEZER RESISTANCE OF REFRIGERATOR BY SENSOR SENSOR DEFROST SENSOR ROOM SENSOR 20 C 22 3 K 77 K 15 C 16 9 K 60 K 10 C 13 0 K 47 3 K 5 C 10 1 K 38 4 K 0 C 7 8 K 30 K 5 C 6 2 K 24 1 K 10 C 4 9 K 19 5 K 15 C 3 9 K 15 9 K 20 C 3 1 K 13 K 25 C 2 5 K 11 K 30 C 2 0 K 8 9 K 40 C 1 4 K 6 2 K 50 C 0 8 K 4 3 K ...

Page 34: ...r compressor shuts off COMPRESSOR RELAY is Replace MAIN PWB donÕt press the KEY and poor wait THE CONNECTING WIRE Check the connection of the is poor black wire of the MAIN PWB CONNECTOR CON2 2 If refrigerant is leaking Measure the amount of frost Refrigerant leakage Replace the leaking part and sticking on EVAPORATOR replace any lost refrigerant and the surface temperature of the condenser pipe F...

Page 35: ...liner damaged Replace Door liner door is closed DEFROSTING is NO DEFROSTING 1 If HEATER emits heat USE TEST MODE2 HEATER disconnection Replace HEATER poor forced DEFROSTING TEMPERATURE FUSE Replace TEMPERATURE disconnection FUSE Connection is poor Check EVAPORATOR connection and wire of MAIN PWB CONNECTOR DEFROST SENSOR is poor Replace DEFROST SENSOR HEATER RELAY is poor Replace RY3 of MAIN PWB 2 ...

Page 36: ...8 5 MAIN PWB ASSEMBLY AND PARTS LIST 8 5 1 Main PWB Assembly 36 ...

Page 37: ...8 5 2 Replacement Parts List 37 ...

Page 38: ...8 5 3 PWB Assembly Display And Parts List 38 ...

Page 39: ...8 6 PWB DIAGRAM 8 6 1 PWB Main Assembly 39 G5S 1A RY5 ...

Page 40: ... 40 ...

Page 41: ...me of all major brand appliances no matter who made it no matter who sold it For Sears professional installation of home of home appliances and items like garage door openers and water heaters 1 800 LE FOYER 1 800 469 4663 Call anytime day or night U S A And Canada www sears com www sears ca MC MC MC MC Our Home For repair of carry in items like vacuums lawn equiment and electronics call or go on ...

Page 42: ... 283B 282H 410A 409D 409C 158A 145B 158E 409B 503C 503E 120B 145A 406B 128F 128E 282E 903D 610A 903E 610A 282F 41 106A 283D 284D B01 503G 503F 125D B01 106B 903A 903B 903B 103C 623H S38 619B 328B S01 327A EV 332A 135C S22 284B 284E 329A 405C 404A 405C 405A 405B 319E 9 EXPLODED VIEW REPLACEMENT PARTS LIST CASE PARTS Caution Use the part number to order part not the position number 42 ...

Page 43: ...125A 131A 149A 136C 282X EV FREEZER PARTS CAUTION Use the part number to order part not the position number 43 ...

Page 44: ...143A 154A 151A 155B 151A 151C 167B 140B 140E 140D 143E S24 S24 170A 128A 128B 143F 142E 142D S24 S24 140B 103E 103E 103E 103E EV REFRIGERATOR PARTS CAUTION Use the part number to order part not the position number 44 ...

Page 45: ... 241E 241C 241D 243A 203A 200A 201A 212A 244P 244E 205D 700B 212G 212F 212J 212J 212F 282Z 286A 286A 286A S27 281E EV 262E DOOR PARTS CAUTION Use the part number to order part not the position number S02 S27 283F 243A 286A 45 ...

Page 46: ...154A 3550JL2001G Cover TV 404A 4680JK1002B Motor AC Freezing 155B 4981JJ2001B Supporter Assembly Cover TV 405A 4811JJ2002B Bracket Assembly Motor 158A 3550JJ1040A Cover Lamp 405B 4810JA3007A Bracket Motor 158E MCK30060901 Cover Lamp 405C J756 00008B Damper Motor Support 167B 4890JL1002G Shelf Glass 406B 6600JB1010A Switch Push Button 170A 3391JJ2004G Tray Assembly Meat 409B 6912JK2002D Lamp Incand...

Page 47: ...154A 3550JL2001G Cover TV 404A 4680JK1002B Motor AC Freezing 155B 4981JJ2001B Supporter Assembly Cover TV 405A 4811JJ2002B Bracket Assembly Motor 158A 3550JJ1040A Cover Lamp 405B 4810JA3007A Bracket Motor 158E MCK30060901 Cover Lamp 405C J756 00008B Damper Motor Support 167B 4890JL1002G Shelf Glass 406B 6600JB1010A Switch Push Button 170A 3391JJ2004G Tray Assembly Meat 409B 6912JK2002D Lamp Incand...

Page 48: ...154A 3550JL2001G Cover TV 404A 4680JK1002B Motor AC Freezing 155B 4981JJ2001B Supporter Assembly Cover TV 405A 4811JJ2002B Bracket Assembly Motor 158A 3550JJ1040A Cover Lamp 405B 4810JA3007A Bracket Motor 158E MCK30060901 Cover Lamp 405C J756 00008B Damper Motor Support 167B 4890JL1002G Shelf Glass 406B 6600JB1010A Switch Push Button 170A 3391JJ2004G Tray Assembly Meat 409B 6912JK2002D Lamp Incand...

Page 49: ...utter 401A 6615JB2005C Controller Assembly 154A 3550JL2001G Cover TV 404A 4680JK1002B Motor AC Freezing 155B 4981JJ2001B Supporter Assembly Cover TV 405A 4811JJ2002B Bracket Assembly Motor 158A 3550JJ1040A Cover Lamp 405B 4810JA3007A Bracket Motor 158E MCK30060901 Cover Lamp 405C J756 00008B Damper Motor Support 167B 4890JL1002G Shelf Glass 406B 6600JB1010A Switch Push Button 170A 3391JJ2004G Tray...

Page 50: ...utter 401A 6615JB2005C Controller Assembly 154A 3550JL2001G Cover TV 404A 4680JK1002B Motor AC Freezing 155B 4981JJ2001B Supporter Assembly Cover TV 405A 4811JJ2002B Bracket Assembly Motor 158A 3550JJ1040A Cover Lamp 405B 4810JA3007A Bracket Motor 158E MCK30060901 Cover Lamp 405C J756 00008B Damper Motor Support 167B 4890JL1002G Shelf Glass 406B 6600JB1010A Switch Push Button 170A 3391JJ2004G Tray...

Page 51: ...utter 401A 6615JB2005C Controller Assembly 154A 3550JL2001G Cover TV 404A 4680JK1002B Motor AC Freezing 155B 4981JJ2001B Supporter Assembly Cover TV 405A 4811JJ2002B Bracket Assembly Motor 158A 3550JJ1040A Cover Lamp 405B 4810JA3007A Bracket Motor 158E MCK30060901 Cover Lamp 405C J756 00008B Damper Motor Support 167B 4890JL1002G Shelf Glass 406B 6600JB1010A Switch Push Button 170A 3391JJ2004G Tray...

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