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MODELS:
LFX23961SW /01
LFX23961ST /01
LFX23961SB /01

CAUTION

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

REFRIGERATOR

SERVICE MANUAL

Содержание LFX23961SB /01

Страница 1: ...MODELS LFX23961SW 01 LFX23961ST 01 LFX23961SB 01 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL REFRIGERATOR SERVICE MANUAL ...

Страница 2: ...hock unplug before servicing 3 Always check line voltage and amperage 4 Use standard electrical components 5 Don t touch metal products in the freezer with wet Hands This may cause frost bite 6 Prevent water from spiling on to electric elements or the Machine parts 7 Before tilting the refrigerator remove all materials from On or in the refrigerator 8 When servicing the evaporator wear gloves to p...

Страница 3: ...vice Evaporator Capillary Tube First Defrost Condenser Lubricanting Oil Defrosting System Cooling System Rated Rating Climate class Full Automatic MODELS SPECIFICATIONS Capacity Refrigerant Net Weight Dimensions GENERAL FEATURES Color Temperature Control Temperate N 115V 60Hz Fan Cooling MICOM control 892 W x 925 D x 1860 H mm 124kg 23 cuft R134a 120gr Heater Defrost Cyclo Pentane Fin Tube Type Wi...

Страница 4: ...The refrigerator you have purchased may have some or all of the items listed below The locations of the features shown below may not match your model Ice Bucket Ice Room Door On some models A J Refrigerator Light Dairy Bin Freezer Light Turbo Motor Glide out Drawer Durabase B C D F E G H K L M N O Crisper Modular Door Bins Water Tank Cover Snack Pan Egg Box Ice Room Ice Bin Refrigerator Shelves Di...

Страница 5: ...nect door switch wire 2 Pull out the tube 4 CAUTION If a tube end is deformed or worn out cut the damaged portion away Disconnect wire harness 5 Remove the ground screw 6 Loosen screws 7 and lift off the top hinge 8 CAUTION When removing top hinge be careful that the door does not fall forward Right Door Loosen the cover screw 1 Disconnect door switch wire 2 Place the door on a non scratching surf...

Страница 6: ... the cover screw 1 Left Door Lower the door onto the middle hinge pin 10 Make sure the door is aligned with the cabinet Replace the top hinge 8 installing hinge screws 7 to secure it Make sure the gasket on the door is flush against the cabinet and is not folded Support the door on the handle side while tightening And make sure the door is straight and the gap between the doors is even Insert the ...

Страница 7: ...RATOR HANDLE 3 3 REMOVING FREEZER HANDLE 3 4 DOOR GASKET REMOVAL 1 Remove door frame cover Starting at top of cover and working down snap cover out and away from door 2 Remove gasket bracket clips There are two clips on each door Start bracket removal near one of the middle clips 1 Pull gasket back to expose gasket bracket clip and door frame 2 Insert a flat tip screwdriver into seam between gaske...

Страница 8: ...h door frame edge 2 Insert gasket into channel 1 Snap gasket assembly into the door bracket Inserting the Gasket Assembly into the Bracket Door Door Frame Gasket Bracket Clip Spring Incorrect Correct Incorrect Correct 8 3 5 DOOR GASKET REPLACEMENT 2 Press gasket into channels on the three remaining sides of door 3 Replace door frame cover Starting at top of cover and working down snap cover back i...

Страница 9: ... left side by unscrewing phillips head screws 2 Pull the grille forward as shown in the second picture 3 Disconnect wire harness of the grille 1 2 3 4 4 Remove the scroll assembly by loosening 3 screws 2 FUSE M The Defrost Sensor works to defrost automatically It is attached to the metal side of the Evaporator and senses its temperature At 72 C it turns the Defrost Heater off Fuse M is a safety de...

Страница 10: ...e lamp cover loose in the back as shown Rotate forward to remove the front tabs 3 Make sure the bulb is cool to the touch Turn the bulb counterclockwise to remove 4 Replace with a new 40 watt appliance bulb 5 Insert tabs on front of cover into slots in freezer ceiling Push cover up to snap back into place 1 Remove the upper and lower Caps by using a flat screwdriver and remove 2 screws 2 Disconnec...

Страница 11: ... 13 ICE BUTTON ASSEMBLY Remove the display PCB fixing screw 3 14 FUNNEL REPLACEMENT Pull down and forward 4 If nozzle is interfered with button push and pull out the bottom of button 5 Remove the connected part of lead wire 1 2 3 15 WATER BUTTON ASSMEBLY 2 Grasp the Button assembly and lift up 2 Disconnect the wire harness 3 Remove the funnel 1 Loosen the front screw as shown in the picture 2 Lift...

Страница 12: ...a ground connection screw 12 3 18 ICEMAKER ASSEMBLY 1 After removing the icemaker remove the 5 stainless screws holding the auger motor cover shown in the picutres below 2 Grip the bottom of motor cover assembly and pull out it 3 Disconnect wire harness of motor cover assembly There is a auger motor on the back as shown in the picture Auger Motor 3 19 AUGER MOTOR COVER ...

Страница 13: ...t the Ice Bin slightly tilting it to avoid touching the Icemaker especially ice maker lever Insert the ice bucket carefully avoid contacing the automatic shut off arm 1 2 1 Grip the handles as shown in the picture 3 21 HOW TO INSERT A DOOR ICE BIN 3 T ake the Ice Bin out slowly ...

Страница 14: ...abes Door Supports Screws Make sure you have a right rail cover for each side Right Rail cover Left Rail cover Fig 2 Fig 3 Fig 4 Align the top holes of the rail cover with the top holes of the door supports to assemble the rail cover Fig 5 Verify the hole s assembly With the rails pulled out to full extension insert the durabase in the rail assembly Durabase W A R N I N G To prevent accidental chi...

Страница 15: ...il on both sides Fig 12 With both hands hold both sides of the door and pull it up to separate it from the rails Fig 16 Fig 15 Fig 13 C A U T I O N When laying down the drawer be careful not to damage the floor or hurt your feet with the sharp edges on hinge side C A U T I O N When removing drawer door do not hold it by the handle Door could fall down and you may be injured grasp door with both ha...

Страница 16: ...ul not to bend the tube during assembly 2 Press the WATER DISPENSER button until water pours out and check for leakage in the CONNECTOR TUBE It differs by the water pressure but usually takes about 2 minutes until water pours out MOTOR COVER FAN ASSEMBLY MOTOR 16 3 23 FAN AND FAN MOTOR DISASSEMBLY METHOD 3 24 PULL OUT DRAWER To remove lift basket up and pull out straight out 2 1 To Install pull bo...

Страница 17: ...nd main winding 4 2 3 PTC Applied Circuit Diagram 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 cool before the compressor can restart 4 2 5 Relation of PTC Starter and OLP 1 If the compressor attempts to restart before the P...

Страница 18: ... 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 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 He...

Страница 19: ...CON3 BL BO BL GY SB BN PR PK BO BK 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 CON4 CON6 RT SENSOR WH BK PR RD BL BN SB BO GY GY BL BK YL RD SB SB BO BO WH WH BL BL BO BN RD BN BN WH BK ICING SENSOR BO BN RD BL BL WH BK 6 5 4 3 2 1 CON101 F FAN ICING F FAN C FAN R DOOR S W STEPPING MOTOR F DOOR S W D SENSOR R SENSOR F SENSOR PWB ASSEMBLY DISPLAY PWB AS...

Страница 20: ...ressor Supply voltage rating with 10 Applied voltage isn t in acceptable range 115V 10 Remove PTC Starter from Compressor and measure voltage between T erminal C of Compressor and T erminal 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 in OLP Check the power supply under load Compressor ...

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: ... 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 refrige...

Страница 23: ...or 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 heard ...

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: ... Mode icemaking operation Runs MOTOR to drop ice from the tray into the ICE BIN During harvest mode check if the ice bin is full Performs Ice Making 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 Icemaking Reaches Start Position 7 OPERATION PRINCIPLE AND REPA...

Страница 26: ...l The EJECTOR rotates twice to open for ice If the EJECTOR does not rotate once within 5 minutes in B mode separate heater control mode starts operating to prevent the EJECTOR from being constrained It is recommended that the user open for ice to return to normal mode 7 2 3 Fill Park Position 1 Once a normal harvest mode has been completed the water solenoid will be activated 2 The amount of water...

Страница 27: ...pre test setting Diagnosis TABLE 7 3 DEFECT DIAGNOSIS FUNCTION 7 3 1 ERROR CODES shown on Ice Maker water supply control panel 27 STAGE ITEMS INDICATOR REMARKS 1 2 3 4 5 6 HEATER MOTOR HALL IC I HALL IC II VALVE Reset Five seconds after heater starts a heater will go off if the temperature by sensor is higher than 10 C Five seconds after heater starts you can confirm that a motor is moving Check i...

Страница 28: ...el press and hold the ALARM LOCK button for 3 seconds The locked pad lock icon is displayed 3 The ALARM LOCK button is the only control feature that remains active in the locked state The buzzer sound other control buttons and the dispenser are deactivated 4 To release from the locked state press and hold the ALARM LOCK button again for 3 seconds Ex LOCK Function ON Ex LOCK Function OFF 8 1 4 Filt...

Страница 29: ...refer to failure diagnosis function table for failure display 29 PUSH ACTIVE WATER BUTTON WATER SWITCH ICE SWITCH Please select this function for DISPENSER LIGHT MODE 1 Normal status LIGHT icon is OFF When dispenser is operated DISPENSER LIGHT is ON 2 ON status LIGHT icon is ON DISPENSER LIGHT is on continuously 8 1 9 Cooling Fan Motor 1 The cooling fan is switched ON and OFF in conjunction with t...

Страница 30: ...as run for more than 90 minutes Ice Plus will run for two hours after the defrost is completed 3 If Ice Plus is pressed during defrost Ice Plus Icon is on but this function will start seven minutes after defrost is completed and it shall operate for three hours 4 If Ice Plus is selected within seven minutes after compressor has stopped the compressor compressor delays seven minutes shall start aft...

Страница 31: ...isplay LED check function If simultaneously pressing Ice Plus button and Frz Temp for a second display LED graphics on If releasing the button the LED graphic displays the previous status 31 determinated by how often and how long the doors are opened Demonstration Mode Off Mode 1 Any Door must be opened to enter in this mode 2 To activate this mode press and hold Ice Plus and Refrigerator buttons ...

Страница 32: ... motor Poor motor hooking to wires of fan contact of structures to fan snapping or short circuit of Lead wires 8 Failure of BLDC Fan Motor for Ice Maker at Freezing compartment Er IF If there is no fan motor sinal for more than 114sec in operation fan motor Poor motor hooking to wires of fan contact of structures to fan snapping or short circuit of Lead wires 9 Failure of Communication between dis...

Страница 33: ... Test 33 MODE OPERATION FUNCTION REMARKS TEST1 TEST2 TEST3 RESET 1 Continuous operation of the COMPRESSOR and the Freezer fan 2 Stepping DAMPER OPEN 3 Defrosting HEATER OFF 4 DISPLAY LED all ON 1 Continuous operation of the COMPRESSOR and the Freezer fan 2 Stepping DAMPER CLOSE 3 Defrosting HEATER OFF 4 DISPLAY LED shows no 2 1 COMPRESSOR and the Freezer fan OFF 2 Stepping DAMPER CLOSE 3 Defrostin...

Страница 34: ...8 2 PCB FUNCTION 8 2 1 Power Circuit 34 1 Power is supplied to the control board at pin1 and 3 of connector 1 ...

Страница 35: ...cuit A B Voltage between A B LAMP R CON 3 PIN 9 CON 3 PIN 4 115 Vac LAMP F CON 3 PIN 7 CON 3 PIN 4 115 Vac FD HTR CON 3 PIN 8 CON 3 PIN 4 115 Vac DEF HTR CON 3 PIN 10 CON 3 PIN 4 115 Vac WATER P V CON 3 PIN 11 CON 3 PIN 4 115 Vac REC COMP CON 3 PIN 12 CON 3 PIN 4 115 Vac Water P V ...

Страница 36: ...VDC 15 VDC 2 VDC or less FAN PIN NUMBER PIN NUMBER MOTOR ON MOTOR OFF OUTPUT VOLTAGE 3 Open Door Detection Circuit Check Closed 5 V Open 0 V Freezer Refrigerator Door Measurement Location Pin 10 11 of con4 Ref Door Pin 5 6 of con6 Fre Door PIN 1 2 3 4 5 6 7 8 9 10 11 V G F V G F V G F CONNECTOR 4 R Door S W F FAN ICING FAN C FAN PIN 1 2 3 4 5 6 7 8 9 10 11 12 F SNR CONNECTOR 6 STEPPING MOTOR F DOO...

Страница 37: ... 9 K 15 C 59 F 3 9 K 20 C 68 F 3 1 K 25 C 77 F 2 5 K 30 C 86 F 2 0 K 40 C 104 F 1 4 K 50 C 122 F 0 8 K LOCATED ON DISPLAY PCB 8 2 3 Temperature Sensor Circuit Measure 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 37 PIN 1 2 3 4 5 6 12V GND RXD TXD CONNECTOR 6 DISPLAY RT SENSOR PIN 1 2 3 4 5 6 7 8 9...

Страница 38: ...Output Voltage Auger Motor Con1 Pin12 Con1 Pin4 115 VAC Solenoid Cube Con1 Pin11 Con1 Pin4 115 VAC Pilot Water Valve Con1 Pin10 Con1 Pin4 115 VAC Solenoid Dispenser Con1 Pin9 Con1 Pin4 115 VAC Heater Con1 Pin7 Con1 Pin4 115 VAC C O N 4 C O N 1 To see connector 6 picture refer to page 36 8 2 4 Refrigeration Compartment Stepping Motor Damper Circuit 8 2 5 Dispenser Drive Circuit ...

Страница 39: ...urface temperature of the condenser pipe USE TEST MODE1 forced COOLING Check the amount of frost sticking on the EVAPORATOR of the Refrigerator SENSOR Check the seal when the door is closed POWER SOURCE is poor Applied voltage error CONNECTOR connection is poor TRANS FUSE is open COMPRESSOR locked or blocked OLP PTC is poor COMPRESSOR RELAY is poor THE CONNECTING WIRE is poor Refrigerant leakage F...

Страница 40: ...DEFROSTING Check DRAIN PIPE Make sure that DEFROST SENSOR is connected Make sure that FREEZER REFRIGERATOR DOOR is closed FAN MOTOR is poor Passage of cool air is blocked EVA frozen Door liner damaged HEATER disconnection TEMPERATURE FUSE disconnection Connection is poor DEFROST SENSOR is poor HEATER RELAY is poor DRAIN PIPE is blocked Connection is poor DOOR does not close properly Make sure the ...

Страница 41: ... ICE MAKER N I V FD HTR 250V 2A DIP STICKER EBR419561 L JCR1 1C JCR2 1C JCR3 1C JCR4 1C 2C 2C CC1 CM4 CM3 CM1 CM2 CE2 CE6 CE7 CE8 CE9 CE10 CE14 CE5 CE11 CE12 CE13 CE3 CE4 CC2 CC28 CE1 12 6 7 10 CON3 CON1 5 CON7 6 CON5 5 11 CON4 12 5 10 CON6 5 7 3 C0N2 D1 D2 D5 D6 D7 D8 D9 D10 D11 D12 D13 D3 D4 BD1 FB1 L2 L1 FUSE1 HS1 8 9 16 IC8 IC7 IC4 IC2 IC5 L3 L4 L5 JCR1 JCR2 JCR3 JCR4 IC3 OSC1 RY1 RY2 RY3 RY4 ...

Страница 42: ...8 4 2 Dispenser Drive PWB Assembly 42 ...

Страница 43: ...01A 305B 305B 305C 305C 315A 328B 329A 332A 407A 401A 404A 405A 405C 405F 319E 405G 406B 409B 409B 411A 418A 501A 501F 610A 610A 619B S38 S01 B01 B01 9 EXPLODED VIEW EV CASE PARTS Caution Use the part number to order part not the position number 43 S22 105A 308A 309A 323B 327A 319A 319C 329C 405B 405B 410G 420A 307A 307B 310A 312A 314A 317A 318A 412D ...

Страница 44: ...131A 136A 136B 145C 145F 248E 248F EV FREEZER PARTS Caution Use the part number to order part not the position number 44 ...

Страница 45: ...43F 142E 140B 170A 140B 140B 140B 140D 140D 140D 140E 140E 140E S24 S24 S24 S24 S24 S24 143E 143E 143E 151A 305D 154A 155B 151A 151C 167B EV REFRIGERATOR PARTS Caution Use the part number to order part not the position number 45 ...

Страница 46: ...2E 262E 241F 243A 243A 243B 243B 286A 286A 616J 627B 262A 619A 615A 631A 241G 241C 241C 241C S27 S27 147A 147B 147C 212J 244A 244A 212J 233F 233H 249K 249J 249F 249B 250B 621C 250B 249E 249A 621B 250A EV DOOR PARTS Caution Use the part number to order part not the position number 46 ...

Страница 47: ...280A 405H 113E 282G 617A 113F EV DISPENSER PARTS Caution Use the part number to order part not the position number 47 ...

Страница 48: ...600A 600B 606A 614A 630A 630F 630G 630H 630J 630K EV ICE MAKER ICE BANK PARTS Caution Use the part number to order part not the position number 48 ...

Страница 49: ...617B 616B S22 623B 623C 616K 616A 625A 619D EV VALVE WATER PARTS Caution Use the part number to order part not the position number 49 627C S31 ...

Страница 50: ...MFL62526017 DECEMBER 2009 Rev 01 ...

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