Kenmore 795.78542800 Скачать руководство пользователя

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CAUTION

BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

REFRIGERATOR

SERVICE MANUAL

795.78542800

795.78543800

795.78544800

795.78546800

795.78549800

795.78552800

795.78553800

795.78554800

795.78556800

795.78559800

795.78712800

795.78713800

795.78719800

795.78722800

795.78723800

795.78729800

P/No. MFL47912401 (Last Revision: March. 10. 2008)

Model #s:

Содержание 795.78542800

Страница 1: ...ERATOR SERVICE MANUAL R 795 78542800 795 78543800 795 78544800 795 78546800 795 78549800 795 78552800 795 78553800 795 78554800 795 78556800 795 78559800 795 78712800 795 78713800 795 78719800 795 78722800 795 78723800 795 78729800 P No MFL47912401 Last Revision March 10 2008 Model s ...

Страница 2: ... 19 23 COMPRESSOR AND ELECTRIC COMPONENTS 19 PTC AND OLP 21 OTHER ELECTRICAL COMPONENTS 21 SERVICE DIAGNOSIS CHART 22 REFRIGERATION CYCLE 26 27 7 OPERATION PRINCIPLE REPAIR METHOD OF ICEMAKER 25 28 8 DESCRIPTION OF FUNCTION CIRCUIT OF MICOM 29 40 CONTENTS Please read the following instructions before servicing your refrigerator 1 Unplug the power before handling any elctrical componets 2 Check the...

Страница 3: ...th Resistance 0 14 Ohms Energy Consumption 21 cu ft 484 kWh yr Energy Star 25 cu ft 499 kWh yr Energy Star 1 4 NO LOAD PERFORMANCE CONTROL POSITION 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 Running Time 35 45 50 F 70 F 1 5 REFRIGERATION SYSTEM Minimum Compressor Capacity Vacuum 20 MIN Minimum Equalized Pressure 70 F 49 PSIG ...

Страница 4: ...n Depth w o Door C 23 5 8 in 27 7 8 in Depth Total with Door Open D 42 1 4 in 46 1 2 in Height to Top of Case E 68 3 8 in 68 3 8 in Height to Top of Door Hinge F 69 3 4 in 69 3 4 in Width G 35 3 4 in 35 3 4 in Width door open 90 deg w o handle H 39 1 4 in 39 1 4 in Width door open 90 deg w handle I 44 1 4 in 44 1 4 in ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 13: ...e photo 3 4 Remove the door handle see photo 4 5 While lifting up on the top door trim slide the glass front above the dispenser to the right to remove it see photo 5 6 While pulling down on the bottom door trim slide the glass front below the dispenser to the right to remove it see photo 6 7 Once the glass is removed the dispenser cover can be removed by pulling it out by the right side and gentl...

Страница 14: ...3 4 Hold the freezer handle and pull up to remove the door assembly as shown in photo 4 5 Put the freezer door facing down on a clean soft surface to prevent scratching the top trim as shown in photo 5 6 Remove all the screws hold the bottom door trim in place be careful not to remove the 2 screws circled in photo 6 7 Remove the screw at the bottom of each side trim shown in photo 7 continued on t...

Страница 15: ...ll off the bottom cover as shown in photo 8 9 Remove one of the side trim pieces by pulling it out slightly the up to remove it from the top door trim As shown in photo 9 10 Carefully pull out the freezer door glass as shown in photo 10 11 Reassemble in reverse order 8 10 9 ...

Страница 16: ...th 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 f or the TSD circuit and compressor t o 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 runni...

Страница 17: ... in the Compressor 2 For normal operation of the OLP do not turn the Adjust Screw of the OLP in any way 17 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...

Страница 18: ...5 CIRCUIT DIAGRAM 18 CIRCUIT DIAGRAMS ...

Страница 19: ...ace compressor Supply voltage rating with 10 Applied voltage isn t in acceptable range 115V 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 Compr...

Страница 20: ...rate 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 115V 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 ...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ...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...

Страница 25: ...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...

Страница 26: ...uring the temperature of the Tray with 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 sec 7 2 3 Harvest Mode 1 Harvest Ice removing refers to the operation of dropping ices into the ice bin from t...

Страница 27: ...s changes 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 27 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 ...

Страница 28: ...ozen 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 followed icemaking harvest fill park position 5 Five seconds after stage 5 is completed the icemaker retur...

Страница 29: ... side of 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 c...

Страница 30: ...ours 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 is c...

Страница 31: ...F 8 C 8 1 12 Filter Replacement Indication 1 After 6 months since the UNIT refrigerator has been power on the water filter icon is ON 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 reset t...

Страница 32: ...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...

Страница 33: ...ration when the Ultra Ice button and freezing temp button Control 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 open the door when the Ultra Ice button and the Refrigerator Temperature Control button are p...

Страница 34: ...dc 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 ...

Страница 35: ...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...

Страница 36: ... This is 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 36 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 ...

Страница 37: ...osting and the indoor temperature for compensating for the surrounding temperature into MICOM Opening or short state of each temperature sensor are as follows 37 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 ...

Страница 38: ...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...

Страница 39: ...tof 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 FAN...

Страница 40: ...d USETESTMODE3 forcedDEFROSTING CheckDRAINPIPE Makesurethat DEFROSTSENSORis connected Makesurethat FREEZER REFRIGERATOR DOORisclosed FANMOTORispoor Passageofcoolairis blocked EVAfrozen Doorlinerdamaged HEATERdisconnection TEMPERATUREFUSE disconnection Connectionispoor DEFROST SENSORis poor HEATERRELAYispoor DRAINPIPEisblocked Connectionispoor DOORdoesnotclose properly MakesuretheDOOR isattached Re...

Страница 41: ...8 4 MAIN PWB ASSEMBLY AND PARTS LIST 8 4 1 Main PWB Assembly 41 Connector4 Connector1 Connector3 Connector2 Connector6 Test Switch Connector5 ...

Страница 42: ...vailable 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 78542800 795 7854380...

Страница 43: ...D 410A 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 CASE PARTS CAUTION Use the part number to order part not the position number 120B 145A 282G 282F 120A 271A 271B 271C...

Страница 44: ...3003F 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 HolderDrier 319A MJS37355401 MJS37355401 MJS37355401 MJS37355401 MJS37355401 Tray Drip 319C MEA42257901 MEA42257901 MEA42257901 MEA422...

Страница 45: ...0C 1SZZJJ3010C 1SZZJ J3010B 1SZZJJ3010D 1SZZJJ3010E Screw Customized S15 4000W4A003A 4000W4A003A 4000W4A003A 4000W4A003A 4000W4A003A Screw Customized S16 3J05696C 3J05696C 3J05696C 3J05696C 3J05696C Screw Customized S17 4J00415D 4J00415D 4J00415D 1SZZJA3005H 4J00415D Screw Customized S18 4J00415D 4J00415D 4J00415D 4J00415D 4J00415D Screw Customized S19 4J00415D 4J00415D 4J00415D 4J00415D 4J00415D ...

Страница 46: ...2A 145E 146E 151A 161B 141D 161C 151B 154A 161A 142A 140A 142B 142D REFRIGERATOR PARTS CAUTION Use the part number to order part not the position number on some models 142A 141A 142B 141E 142A 141A 142B 141E 142A 141A 142B 141E ...

Страница 47: ... Assembly Front 233D 3551JJ2030A 3551JJ2030A 3551JJ2030A 3551JJ2030A 3551JJ2030A Cover Assembly Fr ont 234A 4430JJ2004A 4430JJ2004A 4430JJ2004A 4430JJ2004A 4430JJ2004A Cam Shaft 234B 4430JJ2004B 4430JJ2004B 4430JJ2004B 4430JJ2004B 4430JJ2004B Cam Shaft 234C 4931JJ2002E 4931JJ2002E 4931JJ2002A 4931JJ2002C 4931JJ2002A Holder Assembly Gasket 234D 4931JJ2002F 4931JJ2002F 4931JJ2002B 4931JJ2002D 4931JJ...

Страница 48: ... 220D 233A 233D 231A 230A 220D 206C 206B 220E 234C 234A 220D 220D 220E 220E 220D 220E 220E 220E 244C 244B 220E 616J 603B 241D 241D 241E 241D 241C 241A 241B 241D 241D 312B S26 312C DOOR PARTS 77719 77729 CAUTION Use the part number to order part not the position number 276A 206A 206B 244B 244C 236A 236B Only for the service ...

Страница 49: ...embly 212E AEJ33686201 AEJ33686201 Holder Assembly Handle 212F AEJ33686202 AEJ33686202 Holder Assembly Handle 212G 3846JD1019A 3846JD1019A Name Plate 220D 1SZZJA3009L 1SZZJA3009L Screw Customized 220E 1TRL0302818 1TRL0302818 Screw Tapping 236A 3806JA1197F 3806JA1197F Decor Door 236B 3806JA1197E 3806JA1197E Decor Door 249A ACJ33058104 ACJ33058104 Connector Assembly 249B ACJ33058103 ACJ33058103 Conn...

Страница 50: ...0A 3550JA2280A 3550JA2280A 3550JA2280A Cover PCB 291A 4890JD1110B 4890JD1110B 4890JD1110B 4890JD1110B 4890JD1110B Decor Glass Door 292A 6871JB2074B 6871JB2074B 6871JB2074B 6871JB2074B 6871JB2074B PCB Assembly Sub 293A 5021JA3020B 5021JA3020E 5021JA3020A 5021JA3020C 5021JA3020D Button Assembly 294A 4510JA2028A 4510JA2028A 4510JA2028A 4510JA2028A 4510JA2028A Lever Dispenser 295A 6877JB2181A 6877JB21...

Страница 51: ...4A 616J 603B 243A 234D 234D 241D 241D 241E 241D 241C 241A 241B 241D 241D 312B S26 312C DOOR PARTS 77712 77713 CAUTION Use the part number to order part not the position number Only for the service 212D 203A 201A B06 B06 250A 250B 249F S34 281E 281G 249E S34 281D 281G 249S 281F 281F 250B 205C 205B 205A 249P 249Q 249G 249H 249R 200A ...

Страница 52: ...04B 4430JJ2004B Cam S haft 234C 4931JJ2002A 4931JJ2002A Holder Assembly Gasket 234D 4931JJ2002B 4931JJ2002B Holder Assembly Gasket 237A 4974JA2055A 4974JA2055A Guide Pitcher 241A 5005JJ2015B 5005JJ2015B Basket Assembly Door 241B 5004JJ1057A 5004JJ1057A Basket Door 241C 5004JL1006B 5004JL1006B Basket Window 241D 5005JJ2014A 5005JJ2014A Basket Assembly Door 243A 4620JJ3006A 4620JJ3006D Stopper Door ...

Страница 53: ...06JJ2053A 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 5210JA2012F Tube Inject S27 4J00415D 4J0...

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