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Kenmore 795.77192600 Скачать руководство пользователя страница 35

8-2-2 Load / Buzzer Drive & Open Door Detection Circuit

1. Load Drive Condition Check

To measure outputs of the control board, check voltages between the pins for the following components:

NOTE: When the door of the freezer/refrigerator is left open for 7 minutes or longer, the lamp of the
freezer’refrigerator turns.

2. Fan motor driving circuit (freezing compartment fan, mechanical room)

- 35 -

F-FAN

C-FAN

Pin Number

Pin1 & 2 of con4

Pin4 & 5 of con4

MOTOR OFF

2V or less

2V or less

MOTOR ON

2V or less

2V or less

Circuit

Pin Number

Pin Number

Output Voltage

Compressor

Con1 pin1

Con1 pin1

115 VAC

Defrost heater

Con2 pin1

Con1 pin1

115 VAC

F,R-lamp

Con2 pin,3.5

Con1 pin1

115 VAC

Water valve

Con2 pin7

Con1 pin1

115 VAC

Dew heater

Con3 pin3

Con1 pin1

115 VAC

Water valve

Con3 pin1

Con1 pin1

115 VAC

Содержание 795.77192600

Страница 1: ...AL R 795 77192600 795 77199600 795 77194600 795 77193600 795 77196600 795 77542600 795 77549600 795 77544600 795 77543600 795 77546600 795 77552600 795 77559600 795 77554600 795 77553600 795 77556600 795 77712700 795 77713700 795 77719700 795 77729700 P No 3828JL8796A Last Revision MARCH 2 2006 Model s ...

Страница 2: ... CIRCUIT DIAGRAM 18 6 TROUBLESHOOTING 19 24 COMPRESSOR AND ELECTRIC COMPONENTS 19 PTC AND OLP 20 OTHER ELECTRICAL COMPONENTS 21 SERVICE DIAGNOSIS CHART 22 REFRIGERATION CYCLE 23 24 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 handlin...

Страница 3: ...m Ground Path 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...

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: ...per with Tilt Out Compartment Adjust Cube Ice Maker Glide N Serve Ice Bin Durabase Divider Pull out Drawer Tilt Out Door Basket 795 7754 7755 Model Only Modular Door Bins Modular Door Bins Bottle Holder 795 7755 77729 Models Only Dairy Bin Egg Box Modular Door Bins Filter Cover Front ...

Страница 6: ...and remove Lift top hinge 8 free of hinge lever latch 9 w w CAUTION When lifting hinge free of latch be careful that door does not fall forward 8 Lift door up from middle hinge pin 10 and remove door 9 Place door inside facing up down onto a non scratching surface u u Right Door 1 Open door Loosen top hinge cover screw 1 Lift up cover 3 2 Disconnect door switch wire harness 2 Remove cover 3 Discon...

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: ...ntly 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 cord form outlet 2 Using a flat instrument gently pry t...

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: ...oto 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 gently pu...

Страница 14: ... 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 the ...

Страница 15: ...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 15 8 10 9 ...

Страница 16: ...e induction motor The starting operation the PTC allows current flow to both the start winding and main winding 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 can restart 2 The PTC device generates heat during operation Therefore it must be allowed to coo...

Страница 17: ... COVER PTC 1 Remove the Cover Back M C 2 Disconnect two housing upper side of comp connected in 3 Loosen two screws on comp base 4 Use a L shaped flap tool to pry off the cover 5 Assembly in reverse order of disassembly 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 r...

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

Страница 19: ...y 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 Terminal C of Compressor and Terminals 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 resistance of two terminals...

Страница 20: ...ure resistance between No 5 and 6 of PTC 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 PTC 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 the Fill Key for 3 seconds The icemaker will run through 3 stages Harvest Fill Icema...

Страница 26: ... 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 to 240 minutes after starting 4 If the temperature sensor is defective the icemaking function will be completed in 4 hours NOTE After icemaker power is ON the icemaker heater will be on for test for 9 sec 7 2 3 Harvest Mode 1 Harves...

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: ...lacement 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 to its initial condition...

Страница 32: ... sound 3 When the error CODE removes the sign it returns to normal operation RESET 4 The error CODE shows on the Refrigerator and Freezer Display ERROR CODE on display panel LCD check function If simultaneously pressing Ultra Ice button and freezing temperature adjustment button for a second display LCD graphics on If releasing the button the LCD graphic displays the previous status ...

Страница 33: ... 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 pushed at the same time and hold for ...

Страница 34: ...8 2 PCB FUNCTION 8 2 1 Power Circuit 1 Power is supplied to the control board at pin7 and 9 of connector 1 34 ...

Страница 35: ...refrigerator turns 2 Fan motor driving circuit freezing compartment fan mechanical room 35 F FAN C FAN Pin Number Pin1 2 of con4 Pin4 5 of con4 MOTOR OFF 2V or less 2V or less MOTOR ON 2V or less 2V or less Circuit Pin Number Pin Number Output Voltage Compressor Con1 pin1 Con1 pin1 115 VAC Defrost heater Con2 pin1 Con1 pin1 115 VAC F R lamp Con2 pin 3 5 Con1 pin1 115 VAC Water valve Con2 pin7 Con1...

Страница 36: ...Freezer Refrigerator Door Measurement Location Pin 4 5 of con4 Ref Door Pin 5 6 of con5 Fre Door TEMPERATURE RESISTANCE OF FREEZER RESISTANCE OF REFRIGERATOR SENSOR DEFROST SENSOR ROOM SENSOR 20 C 4 F 22 3 KΩ 77 KΩ 15 C 5 F 16 9 KΩ 60 KΩ 10 C 14 F 13 0 KΩ 47 3 KΩ 5 C 23 F 10 1 KΩ 38 4 KΩ 0 C 32 F 7 8 KΩ 30 KΩ 5 C 41 F 6 2 KΩ 24 1 KΩ 10 C 50 F 4 9 KΩ 19 5 KΩ 15 C 59 F 3 9 KΩ 15 9 KΩ 20 C 68 F 3 1 K...

Страница 37: ... 4 Refrigeration Compartment Stepping Motor Damper Circuit A reversible DC motor is used to open and close the damper To open the damper push test button once To close the damper push test button twice 37 ...

Страница 38: ...rost sticking on EVAPORATORandthe surfacetemperatureof the condenser pipe USETESTMODE1 forcedCOOLING Checktheamountoffrost stickingonthe EVAPORATOR oftheRefrigerator SENSOR Check the seal when the door is closed POWERSOURCEis poor Appliedvoltageerror CONNECTOR connection is poor TRANS FUSE is open COMPRESSOR locked or blocked OLP PTCispoor COMPRESSOR RELAY ispoor THECONNECTING WIREispoor Refrigera...

Страница 39: ...dDEFROSTING Check DRAIN PIPE Makesurethat DEFROST SENSOR is connected Makesurethat FREEZER REFRIGERATOR DOORisclosed FANMOTORispoor Passage of cool air is blocked EVAfrozen Doorlinerdamaged HEATERdisconnection TEMPERATURE FUSE disconnection Connectionispoor DEFROST SENSOR is poor HEATERRELAYispoor DRAINPIPEisblocked Connectionispoor DOORdoesnotclose properly MakesuretheDOOR isattached ReplaceFANMO...

Страница 40: ...8 4 MAIN PWB ASSEMBLY AND PARTS LIST 8 4 1 Main PWB Assembly 40 Connector4 Connector1 Connector3 Connector2 Connector6 Test Switch Connector5 ...

Страница 41: ...r 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 Product Type Part Number Model Number Part Description To call Toll Free For Parts 1 800 366 PART 1 800 366 ...

Страница 42: ...319C 408A 503D 410A 409D 409B 158A 405F 404A 405C 332A 135D 405A S16 B03 B04 S17 S15 158B 145B B03 409B 106A 406D 610A 610A 406A 405B 329A 103C 135C 402A 402A 410G 406B S10 S11 S13 S11 S19 S20 S18 S02 B01 S03 S03 B01 S11 S14 262B B02 B02 S14 262H 610D 610B 301A S18 313A 249D 249C 610C CASE PARTS CAUTION Use the part number to order part not the position number 120B 145A 282G 282F 120A 271A 271B 27...

Страница 43: ...JA2008U 5851JA2008U Drier Assembly 318A 4930JA3034A 4930JA3034A 4930JA3034A 4930JA3034A Holder Drier 319A 3390JA0040A 3390JA0040A 3390JA0040A 3390JA0040A Tray Drip 319C 4974JJ1036A 4974JJ1036A 4974JJ1036A 4974JJ1036A Guide Fan 323B 5403JJ1004B 5403JJ1004B 5403JJ1004B 5403JJ1004B Condenser Assembly Wire 327A 4J03020A 4J03020A 4J03020A 4J03020A Damper Pipe 329A 5901JA1021A 5901JA1021A 5901JA1021A 59...

Страница 44: ...415D Screw Customized S08 1SZZJJ3005Z 1SZZJJ3005Z 1SZZJJ3005Z 1SZZJJ3005Z Screw Customized S10 1SBZJA3004L 1SBZJA3004L 1SBZJA3004L 1SBZJA3004L Screw Customized S11 3J05696W 3J05696W 3J05696W 3J05696W Screw Customized S12 3J05696W 3J05696W 3J05696W 3J05696W Screw Customized S13 1SZZJJ3005E 1SZZJJ3005E 1SZZJJ3005E 1SZZJJ3005E Screw Customized S14 1SZZJJ3010D 1SZZJJ3010D 1SZZJJ3010D 1SZZJJ3010D Screw...

Страница 45: ...41C 141A 141B 141C 141A 147C 147B 147A 145E 248H 162B 145D 162A 160C 155J 146B 154A 151A 151C 167B S13 S13 161A 161C 161F 161E 161A 161D 141D REFRIGERATOR PARTS CAUTION Use the part number to order part not the position number on some models ...

Страница 46: ...H 4980JJ2014A 4980JJ2014A 4980JJ2014A 4980JJ2014A Supporter Holder S13 1SZZJJ3005E 1SZZJJ3005E 1SZZJJ3005E 1SZZJJ3005E Screw Customized S13 1SZZJJ3005E 1SZZJJ3005E 1SZZJJ3005E 1SZZJJ3005E Screw Customized DOOR PARTS CAUTION Use the part number to order part not the position number L No 77729 77719 Descrption 204A MBL38083902 MBL38083902 Cap Decor Refrigerator 204B 5079JA2193F 5079JA2193F Cap Assem...

Страница 47: ...206E 206F 243A 243B 262C 220D 204B 231B 206J 243A 243B 206D 262C 220D 233A 233D 231A 230A 220D 206C 206B 220E 234C 234A 220D 220D 220E 220E 220D 220E 220E 220E 244C 244B 220E 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 48: ...embly 212E AEJ33686201 AEJ33686201 Holder Assembly Handle 212F AEJ33686202 AEJ33686202 Holder Assembly Handle 212G 3846JD1019A 3846JD1019A Name Plate 220D 1SZZJA3009L 1SZZJA3009L Screw Customized 220E 1TCL0302818 1TCL0302818 Screw Tapping 236A 3806JA1197C 3806JA1197C Decor Door 236B 3806JA1197D 3806JA1197D Decor Door 249A ACJ33058104 ACJ33058104 Connector Assembly 249B ACJ33058103 ACJ33058103 Conn...

Страница 49: ...R38202401 MCR38202401 Decor Drain 290A 3550JA2280A 3550JA2280A Cover PCB 291A 4890JD1112B 4890JD1112B Decor Glass Door 292A 6871JB2074B 6871JB2074B PCB Assembly Sub 293A 5021JA3020C 5021JA3020C Button Assembly 294A 4510JA2028A 4510JA2028A Lever Dispenser 295A 6877JB2181A 6877JB2181A Drawing Assembly 403A 6600JB3001B 6600JB3001B Switch Micro 616A 5210JA2012E 5210JA2012E Tube Inject S27 4J00415D 4J0...

Страница 50: ...243C 203A 201A 212G 230A 312B S25 S26 S25 243B 615A 262C 262C 243C 312C 244A 212D 244A B06 B06 B05 B05 B05 B05 234B 234A 250A 205B 205C 250B 249G 249E 249A 249J 249H 249F 249B 250B 249K DOOR PARTS 77712 77713 CAUTION Use the part number to order part not the position number Only for the service ...

Страница 51: ...Holder Assembly Gasket 234D 4931JJ2002B 4931JJ2002B Holder Assembly Gasket 237A 4974JA2055A 4974JA2055A Guide Pitcher 241A 5004JL1006B 5004JL1006B Basket Window 241B 5004JJ1057A 5004JJ1057A Basket Door 241C 5005JJ2014A 5005JJ2014A Basket Assembly Door 243A 4620JJ3006A 4620JJ3006D Stopper Door 243A 4620JJ3006A 4620JJ3006D Stopper Door 243B 4620JJ2009A 4620JJ2009A Stopper Door 243B 4620JJ2009A 4620J...

Страница 52: ...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...

Страница 53: ......

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