LG LFX25961 Series Скачать руководство пользователя страница 11 | Manualshive

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3-16 AUGER MOTOR COVER

1) After removing the icemaker remove the (5) stainless

screws holding the auger motor cover, shown in the
picutres below.

3) Disconnect wire harness of motor cover assembly.

There is a auger motor on the back, as shown in the
picture.

2) Grip the bottom of motor cover assembly and pull out it.

Auger Motor

Icemaker Power &
Full detection Signal

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Содержание LFX25961 Series

Страница 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL LFX25961 COLOR STAINLESS ST ILLUMINA AV WESTERN BLACK SB SUPER WHITE SW REFRIGERATOR SERVICE MANUAL ...

Страница 2: ...VALVE DISASSEMBLY METHOD 15 FAN AND FAN MOTOR DISASSEMBLY METHOD 15 PULL OUT DRAWER 16 4 ADJUSTMENT 17 18 COMPRESSOR 17 PTC STARTER 17 OLP OVERLOAD PROTECTOR 18 TO REMOVE THE COVER PTC 18 5 CIRCUIT DIAGRAM 19 6 TROUBLESHOOTING 20 24 7 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 25 27 8 DESCRIPTION OF FUNCTION CIRCUITS OF MICON 28 43 9 EXPLODED VIEW REPLACEMENT PARTS LIST 44 50 SAFETY PRECAUT...

Страница 3: ...ABLE TRAY COMPRESSOR EVAPORATOR CONDENSER REFRIGERANT LUBRICATING OIL DEFROSTING DEVICE ITEMS Opaque Drawer Type Recipro Fin Tube Type Wire Condenser R 134a 145 g ISO10 280 ml SHEATH HEATER 60W 2EA 60W 1EA SPECIFICATIONS LAMP REFRIGERATOR FREEZER DIMENSIONS Depth w Handles Depth w o Handles Depth w o Door Depth Total with Door Open Height to Top of Case Height to Top of Door Hinge Width Width door...

Страница 4: ...mpartment shelves are adjustable to allow flexibility for storage needs MODULAR DOOR BINS 2 Three interchangeable bins can be arranged to suit your storage needs REMOVABLE ICE STORAGE BIN 3 The ice storage bin can be removed to fill ice buckets coolers or pitchers INTERIOR LAMPS 4 ...

Страница 5: ...hat door does not fall forward 7 Place door inside facing up down onto a non scratching surface Right Door FIG 3 1 Open door Loosen top hinge cover screw 1 Lift up cover 2 2 Disconnect door switch wire harness Remove cover 3 Disconnect wire harness 3 4 Remove the grounding screw 4 5 Rotate hinge lever 5 clockwise Lift top hinge 6 free of hinge lever latch 7 CAUTION When lifting hinge free of latch...

Страница 6: ...t 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 Figure 4 Correct Incorrect Gasket Bracket Clip Spring Door Frame Figure 5 Correct Incorrect 4 Push in remaining clip until you hear it snap securely into place Note Make sure that no part of...

Страница 7: ...s shown 3 Insert additional snap rings until the doors are aligned 3 Three snap rings are provided with unit 3 5 FAN AND FAN MOTOR EVAPORATOR 1 Remove the freezer shelf If your refrigerator has an icemaker remove the icemaker first 2 Remove the plastic guide for slides on left side by unscrewing phillips head screws 3 Remove the grille by removing one screw and pulling the grille forward 4 Remove ...

Страница 8: ...to snap front into place 3 7 2 Freezer Compartment Lamp Ice Fan Scroll Assembly Replacement 1 Remove the plastic guide for slides on 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 4 Remove the scroll assembly by loosening all screws 3 4 3 6 DEFROST CONTROL ASSEMBLY Defrost Control assembly consists of De...

Страница 9: ...placing the dispenser cover in the reverse order of removal be careful that the lead wire does not come out and the water tube is not pinched by the dispenser cover as shown in the picture below 2 Remove display frame assembly by making a gap between a display frame assembly and door with a flat blade screwdriver and pulling it forward The cover dispenser is attached with a hook 3 11 DISPLAY PWB R...

Страница 10: ...sen the screw on the sub PWB 3 14 DUCT DOOR REPLACEMENT 1 Pull up and out on the dispenser cover to remove 2 Disconnect the wire harness 3 Remove the funnel 4 Replace in reverse order 2 Pull the sub PWB down 3 Disconnect the wire harness and replace the sub PWB in the reverse order of removal 3 15 ICE CORNER DOOR REPLACEMENT 1 Loosen the front screw as shown in the picture 2 Lift up the hinge with...

Страница 11: ... screws holding the auger motor cover shown in the picutres below 3 Disconnect wire harness of motor cover assembly There is a auger motor on the back as shown in the picture 2 Grip the bottom of motor cover assembly and pull out it Auger Motor Icemaker Power Full detection Signal ...

Страница 12: ...icture 2 Lift the lower part slightly 3 18 HOW TO INSERT A DOOR ICE BIN 1 Insert the Ice Bin slightly tilting it to avoid touching the Icemaker especially ice maker lever Insert the ice bucket carefully avoid contacting the automatic shut off arm 3 Take the Ice Bin out slowly ...

Страница 13: ...e 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 B...

Страница 14: ...into the left side gear and insert the gear into the clip Step 4 The rail system will align itself by pushing the rails all the way into the freezer section Pull the rails back out to full extension Step 5 Reinstall the freezer door by inserting the rail tabs into the guide rail Step 6 Reinstall the two screws into the guide rails one from each side Step 7 Reinstall the lower basket and close the ...

Страница 15: ...r filter Pull out the Cilp Then press te collet to separate the tube from the connector and pour out the water until emptied Mechanical Cover Housing MOTOR COVER 2 Pull and separate the FAN ASSEMBLY and MOTOR turning counterclockwise based on the MOTOR SHAFT FAN ASSEMBLY MOTOR The assembly is in the reverse order of the disassembly and take special care for the following details 1 Be careful not t...

Страница 16: ...of each rail Next gently lift the rear left and right sides of the drawer and pull it out To reinstall pull out both rails to full extension Insert the end of rib in the bracket at left and right Making sure that the guides at the front are lined up properly gently push down on both sides Bracket ...

Страница 17: ... the PTC designed for the compressor and make sure it is properly attached to the compressor Parts may appear physically identical but could have different electrical ratings Replace parts by part number and model number Use only approved substitute parts 4 2 PTC STARTER 4 1 2 Composition The compressor includes overload protection The PTC starter and OLP overload protector are attached to the out...

Страница 18: ...protects the Motor by cutting off the current flowing to the Compressor Motor 4 5 2 Role of the OLP 1 The OLP is attached to the Sealed Compressor used for the Refrigerator It prevents the Motor Coil from being started in the Compressor 2 For normal operation of the OLP do not turn the Adjust Screw of the OLP in any way 1 Remove the Cover Back M C 2 Disconnect two housing upper side of comp connec...

Страница 19: ...5 CIRCUIT DIAGRAM 19 ...

Страница 20: ...nals in PTC Starter Replace Compressor The range of resistance is between 1 50 ok Open or short No Voltage OLP disconnected Applied voltage isn t in acceptable range 115V 10 Advise customer that power supply needs to be checked by an electrician Reference Page12 Check OLP Check resistance of two terminals in OLP Reference Page12 Check starting state Check the power supply under load Compressor att...

Страница 21: ...ter Open Replace Defrost Heater Heavy frost buildup on EVAPORATOR Check current flow in the following components Sensor Fuse M Open Replace indicated component Check voltage at starting devices Poor or broken or open contact Check current flowing in sub coil of Compressor Shorted Check rating of OLP Lack of capacity Replace indicated component Check for open short or incorrect resistance readings ...

Страница 22: ...rly Seal liquid foods with wrap Put in foods after they have cooled down Don t open the door too often and close it firmly Condensation forms in the Exterior Case Check if the ambient temperature and humidity of the surrounding air are high Is there a gap in the door gasket Wipe moisture with a dry cloth It will disappear in low temperature and humidity Fill up the gap There is abnormal noise Is t...

Страница 23: ...ambient temperature Normal discharging of the refrigerant The capillary tube is faulty WHOLE CLOG Freezer compartment and Refrigerator don t cool Flowing sound of refrigerant is not heard and frost isn t formed Equal to ambient temperature Normal discharging of the Refrigerant MOISTURE CLOG Cooling operation stops periodically Flowing sound of refrigerant is not heard and frost melts Lower than am...

Страница 24: ...est Very Slow None Equalization Test Very Fast Fast Very Fast Inefficient Compressor Partial Restriction Complete Restriction Condenser Temperature Cap Tube Sound Yes No Air Low Side Leak Loss of Change Very Slow Faint Hotter than Normal None to Weak Room Temperature Compressor Not Pumping Trace of Oil Undercharge The equalization test is trying to restart a compressor using a start kit after it h...

Страница 25: ...in is full Park Position Reaches Start Position Fill Performs Ice Making Mode after supplying water by operating the SOLENOID in ICE VALVE Test Mode To operate LINE and SERVICE press and hold the Fill Key for 3 seconds The icemaker will run through 3 stages Harvest Fill Icemaking 1 Turning the Icemaker stop switch off O stops the ice making function 2 Setting the Icemaker switch to OFF and then tu...

Страница 26: ...vest Ice removing refers to the operation of dropping ices 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 The feeler arm senses the quantity of ice in the ice storage bin while rotating with the EJECTOR A Ice storage bin is full The EJECTOR stops heater off B Ice storage bin is not full The EJECTOR rotates twice ...

Страница 27: ...the pre test setting STAGE ITEMS INDICATOR REMARKS 1 HEATER Five seconds after heater starts a heater will go off if the temperature by sensor is higher than 10 C Diagnosis TABLE 2 MOTOR Five seconds after heater starts you can confirm that a motor is moving 3 HALL IC I Check if Ice Bin is full or not If Ice bin is full the motor and heater are off and on stand by until Ice bin is empty 4 HALL IC ...

Страница 28: ...ent once six months or of using water filter 3 Water Filter icon turn on to tell you need to replace the filter soon 4 After replacing the filter press and hold the lock button more than 3 seconds Water Filter icon turn off with reset status 8 1 3 Lock function dispenser and display button lock 1 When the refrigerator is first turned on the buttons are not locked The display panel shows the padloc...

Страница 29: ...hour is caught 8 1 8 CONTROL OF FREEZER FAN MOTOR 1 Freezer fan motor has high and standard speeds 2 High speed is used at power up for Ice Plus and when refrigerator is overloaded Standard speeds is used for general purposes 3 To improve cooling speed the RPM of the freezer fan motor change from normal speed to high 4 High speed 2700RPM Initial power on or load corresponding operation Ice Plus No...

Страница 30: ... Ice Plus has 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 LED is on but this function will start seven minutes after defrost is completed and it shall operate for 3 hours 4 If Ice Plus is selected within 7minutes after compressor has stopped the compressor compressor delays 7 minutes shall start after ...

Страница 31: ...15 4 Defrosting won t function if its sensor is defective wires are cut or short circuited 8 1 15 Defect Diagnosis Function 1 Automatic diagnosis makes servicing the refrigerator easy 2 When a defect occurs the buttons will not operate but the tones such as ding will sound 3 When the defect CODE removes the sign it returns to normal operation RESET 4 The defect CODE shows on the Refrigerator and F...

Страница 32: ...caused Temperature Fuse Disconnection Heater disconnection DRAIN Jam Poor Relay for Heater 7 Abnormality of BLDC FAN Motor for Ice Making Er IF It is caused when F B signal isn t over 65 seconds during BLDC FAN motor operating Poor BLDC Motor connection DRIVE IC and TR 8 Abnormality of BLDC FAN Motor for Freezer Er FF It is caused when F B signal isn t over 65 seconds during BLDC FAN motor operati...

Страница 33: ...er 5 seconds OR Push Test Switch in the main Board once See page 39 1 Continuous operation of the COMPRESSOR and the Freezer fan 2 Stepping DAMPER OPEN 3 Defrosting HEATER OFF 4 DISPLAY LED all ON TEST2 Push FREEZER KEY and LOCK KEY at the same time over 5 seconds in TEST MODE 1 OR Push TEST Switch once in TEST MODE1 See page 39 1 Continuous operation of the COMPRESSOR and the Freezer fan 2 Steppi...

Страница 34: ... NOTE The display mode is designed not to operate while all doors are closed NOTE For the external temperature the display changes according to the room temperature 4 Operating condition 1 Display operation Buttons for ICE PLUS DISPENSER LIGHT FILTER ALARM LOCK operate normally But when you press the FREEZER button and REFRIGERATOR button it just generates a Ding sound but the temperature display ...

Страница 35: ...12 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 115Vac 12Vdc 15 5Vdc 5V ...

Страница 36: ...n12 Pin Number Con3 Pin2 Con3 Pin2 Con3 Pin2 Con3 Pin2 Con3 Pin2 Con3 Pin2 Con3 Pin2 Output Voltage 115 VAC 115 VAC 115 VAC 115 VAC 115 VAC 115 VAC 115 VAC 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 MOTOR OFF MOTOR ...

Страница 37: ... 37 2 3 Machine compartment fan MOTOR OFF MOTOR ON 2V or less 13V 15V Pin8 9 of con4 2 4 Icing compartment fan MOTOR OFF MOTOR ON 2V or less 13V 15V Pin5 6 of con4 ...

Страница 38: ... for the surrounding temperature into MICOM Opening or short state of each temperature sensor are as follows Freezer Refrigerator Door Measurement Location Pin 11 12 of con4 Ref Door Pin 5 6 of con6 Fre Door Closed Open 5V 0V SENSOR CHECK POINT NORMAL 30 C 50 C SHORT CIRCUITED OPEN Freezer sensor Refrigerator sensor Defrosting sensor Room Temperature sensor Icing sensor POINT Voltage POINT Voltage...

Страница 39: ...inutes in the measuring temperature This delay is necessary due to sensor response speed 20 C 15 C 10 C 5 C 0 C 5 C 10 C 15 C 20 C 25 C 30 C 40 C 50 C 22 3 16 9 13 0 10 1 7 8 6 2 4 9 3 9 3 1 2 5 2 0 1 4 0 8 77 60 47 3 38 4 30 24 1 19 5 15 9 13 11 8 9 6 2 4 3 TEMPERATURE RESISTANCE OF FREEZER ICING SENSOR RESISTANCE OF REFRIGERATOR DEFROST SENSOR ROOM SENSOR ...

Страница 40: ...test button twice 8 2 4 Refrigeration Compartment Stepping Motor Damper Circuit 8 2 5 Dispenser Drive Circuit Circuit Auger Motor Solenoid Cube Solenoid Dispenser Door Water Valve Pin Number Con2 Pin4 Con2 Pin12 Con2 Pin10 Con2 Pin11 Pin Number Con2 Pin2 Con2 Pin2 Con2 Pin2 Con2 Pin2 Output Voltage 115 VAC 115 VAC 115 VAC 115 VAC ...

Страница 41: ... 41 8 2 6 LED in Refrigerator Freezer room Apply for LED Model Circuit Pin Number Pin Number Output Voltage LED Module Con6 Pin14 Con6 Pin15 12VDC 12V GND CON6 ...

Страница 42: ...OTOR and the connection of the black wire of the MAIN PWB CONNECTOR CON4 2 If refrigerant is leaking Measure the amount of frost sticking on EVAPORATOR and the surface temperature of the condenser pipe Refrigerant leakage Replace the leaking part and replace any lost refrigerant OLP PTC is poor COMPRESSOR RELAY is poor Replace MAIN PWB THE CONNECTING WIRE is poor Check the connection of the black ...

Страница 43: ...MAIN PWB CONNECTOR DEFROST SENSOR is poor Replace DEFROST SENSOR HEATER RELAY is poor Replace RY4 of MAIN PWB 2 If amount of cool air from FAN MOTOR is sufficient Make sure that the amount and speed of cool air are sufficient by touching the check supplied on the REFRIGERATOR 3 Door Line contact Check door seal when door is closed FAN MOTOR is poor Replace FAN MOTOR Passage of cool air is blocked ...

Страница 44: ... 44 8 4 1 Main PWB Assembly 8 4 MAIN PWB ASSEMBLY AND PARTS LIST ...

Страница 45: ... 45 8 4 2 Dispenser Drive PWB Assembly ...

Страница 46: ... 410G 303C 312A 310B 315B 315B 315C 103C 315A S17 407B 405F 404A 408A 316B 400A 302B B02 249C B02 S14 249D 262H S12 S12 S14 262B 158A 409B S12 120B 503D 145B 610A 271D 402A 406D 610D B01 207A S03 207B S03 402A B01 603B 603C 626A 624D 607A 624C 271B 409D 624A 120A 282G S08 145A 282F S10 405C 405B 329A 315C B04 329C 309B 420A 323B 319A 319C S20 106A 106A 312C 250F 406B 409B 158B 332C S16 407A 610C ...

Страница 47: ...FREEZER PARTS CAUTION Use the part number to order part not the position number 250C 250E 250D 250C 145C 145G 145J 145K 237C 136A 145M 145J 145H 145F 131A 136B 250D ...

Страница 48: ...R PARTS CAUTION Use the part number to order part not the position number 145E 141B 141B 141A 141C 141E 141B 141A 141E 141C 141E 141A 141B 141C 141C 154A 151B 161A 162A 145D 162B 146E 151A 161B 161C 141D 141A 141E ...

Страница 49: ...4D 233C 234B 241C 241A 241B 234A 241D 241D B05 243D B05 244A 249J B06 212D B06 249H 249K 250B 205B 205A 205C 250A 616H 262C 243B 243C 603C 603C 615A 603B 619B 250B 249G 241E 241H 241G 241J 312B 244A B05 249E 262E 243A 262C 233D 212G 234C B05 203A 201A 233A 231A 233B 231B 250H 249F 200A 230A 230B ...

Страница 50: ...DISPENSER PARTS CAUTION Use the part number to order part not the position number 278A 278C 402C 278F 278B 278D 275A 276A 276B 405A 279D 280F 280D 279C 279B 280A 280C 280B 280E 281A 279A 500B ...

Страница 51: ...ICE MAKER PARTS CAUTION Use the part number to order part not the position number 616G 623B 616J 603C 616D 616D 625A 617A 616G 623B 616J 616F 627B 627A 619A 603B 619E S31 S32 ...

Страница 52: ...ICE BANK PARTS CAUTION Use the part number to order part not the position number 612A 600B 630J 600A 606A 614A 611A 630F 630C 630B 630A 630H 630G 630L 630N 630M 630K 630E 630D ...

Страница 53: ...P No MFL62259503 JAN 2010 Printed in Korea ...

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