Service Manual - Appliance Factory Parts
Contents
1. nn DESCRIPTION OF FUNCTION amp CIRCUIT OF MICOM Bel UM CUO Meee cx sched 8 3 Troubleshooting ennan aan aa ha ala 8 4 PWB assembly and parts 15 EXPLODED VIEW AND REPLACEMENT PART LIST SAFETY PRECAUTIONS Please read the following instructions before servicing your refrigerator a A Unplug the power before handling any elctrical componets Check the rated current voltage and capacity Take caution not to get water near any electrical components Use exact replacement parts Remove any objects from the top prior to tilting the product 1 SPECIFIC 5 5 SPECIFICATIONS ITEMS SPECIFICATIONS DOOR DESIGN Side Rounded VEGETABLE TRAY Opaque Drawer Type DIMENSIONS inches 35 3 4 X 30 x 69 3 4 WxDxH 21cu ft COMPRESSOR Recipro 35 3 4 x 34 1 4 X 69 3 4 WXDXH 25cu ft EVAPORATOR Fin Tube Type 302 58 21cu ft CONDENSER Wire Condenser NET WEIGHT pounds 324 18 25cu ft REFRIGERANT R 134a 120 g COOLING SYSTEM Fan Cooling LUBRICATING OIL 1507 310 ml TEMPERATURE CONTRO2. 3 15 Auger mor COVO ee err ege t 3 16 How to remove a door ice 3 17 How to insert a door ice 3 18 How to remove and reinstall the pullout drawer ooooo WoWoWoWo WWW em 3 19 Fan and fan motor nennen 6210 12101 1611 159 6 1 1 8 seth cee kia an aa ADJUSTMENT 5 ae tet ae ev ot tte enh aan San Ban de ited 5 aereum ER AO PT G SIAFIOL iie rte b eee e erp e catu e paar eve 4 3 OLP Overload Protector 4 4 To remove the cover WWW nana CIRCUIT DIAGRAM S5 ertet ete eet ten rn E encre cort Pe up Ihya TROUBLESHOOTING a 6 1 Compressor and electrical 6 2 Other electrical 6 3 Service diagnosis nnns 6 4 Hu ia OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 7 1 Operation principle aree on oa dut ve do eu tuu Geen aa dU ee Te ke maker furictions x o Lo eR E de 7 3 Defect diagnosis function
3. PROBLEM INDICATED CHECKING METHOD CAUSE SOLUTION COOLING 5 If 1 If FREEZER Check is FREEZER Make sure the DOOR poor REFRIGERATOR TEMPERATURE is TEMPERATURE is too isattached TEMPERATURE normal low is too low 2 If amount of cool air Make sure that the FAN MOTOR is poor Replace FAN MOTOR from FAN MOTOR is amount and speed of coo sufficient air are sufficient by Passage of cool air is Remove impurities touching the check blocked supplied on the REFRIGERATOR EVA frozen See DEFROSTING is poor 3 Door Line contact Check door seal when Door liner damaged Replace Door liner door is closed DEFROSTIN NO 1 If HEATER emits heat USE TEST MODE3 HEATER disconnection Replace HEATER G is poor DEFROSTING forced DEFROSTING TEMPERATURE FUSE disconnection Replace TEMPERATURE 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 RY1 of MAIN PWB 2 If DRAIN PIPE is blocked Check DRAIN PIPE DRAIN PIPE is blocked Remove ice and impurities Check HEATER PLATE resistance 3 If ice remains after DEFROSTING Make sure that Connection is poor Reassemble the DEFROST SENSOR is DEFROST SENSOR connected Make sure that DOOR does not close Reassemble DOOR FREEZER properly REFRIGERATOR Replace GASKET DOOR
4. 7 x Ems 3 12 DUCT DOOR REPLACEMENT 1 Pull up and out on the dispenser cover to remove 2 Disconnect the wire harness amp ground screw replace thelcemaker assembly in the reverse order of removal 2 Disconnect the wire harness 3 Remove the funnel 4 Replace in reverse order 3 It separates a ground connection screw 3 13 ICE CORNER DOOR REPLACEMENT 1 Loosen the front screw as shown in the picture 2 Lift up the hinge with one hand 3 Pull out the Ice Corner Door with the other hand 10 3 15 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 Auger Motor 11 3 16 HOW REMOVE DOOR ICE BIN 3 17 HOW TO INSERT A DOOR ICE BIN 1 Grip the handles as shown in the picture 1 Insert the Ice Bin slightly tilting it to avoid touching the Icemaker especially ice maker lever 2 Lift the lower part slightly Insert the ice bucket carefully avoid contacing the automatic shut off arm 12 3 18 HOW REMOVE AND REINSTALL THE PULLOUT DRAWER 3 19 1 Follow Steps to Remove Step 1 Open the freezer door Step 2 Remove the lower basket Step 3 Remove the two screws from the guide rails one Step 4 Lift the fre
5. 1 7 CONS O O O 11 5 C d AUGER SOLE WATER SOLE DISP MOTOR CUBE VALVE DISP LAMP PADS s w o 021 gt E 2 g f A N 68 52061 41 9 EXPLODED VIEW amp REPLACEMENT PART LIST CASE PARTS EV SS S9 Caution Use the part number to order part not the position number FREEZER PARTS umber Caution Use the part number to order part not the position n 43 EV REFRIGERATOR PARTS umber Caution Use the part number to order part not the position n Adie DOOR PARTS Caution Use the part number to order part not the position number DISPENSER PARTS
6. Screw Customized Screw Customized Screw Customized Screw Customized Screw Customized Screw Customized LG Electronics Inc MARCH 2008
7. it turns the Defrost Heater off Fuse M is a safety device for preventing over heating of the Heater when defrosting 1 Pull out the grille assembly Figure 10 2 Separate the connector with the Defrost Control assembly and replace the Defrost Control assembly GRILLE ASSEMBLY DEFROST CONTROL ASSEMBLY AI spa Ar Figure 10 Figure 11 3 5 LAMP 3 5 1 Refrigerator Compartment Lamp Unplug Refrigerator or disconnect power at the circuit breaker If necessary remove top shelf or shelves 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 Assemble in reverse order by snapping the Lamp Cover in engaging the rear tabs followed by the front tabs Max 40 W 2EA on Figure 13 3 5 2 Freezer Compartment Lamp 1 Unplug refrigerator power cord form outlet 2 Gently pry the lamp cover loose in the back as shown Rotate forward to remove the front tabs Make sure the bulb is cool to the touch Turn the bulb counterclockwise to remove Replace with a new 40 watt appliance bulb Insert tabs on front of cover into slots in freezer ceiling Push cover up to snap back into pla
8. 13 VDC 15 VDC 2 VDC or less CONNECTOR 4 3 Open Door Detection Circuit Check 10 REFRIGERATOR DOOR pd I 4 SWITCH 6 9 FREEZER DOOR SWITCH Pin 10 amp 11 of con4 Ref Door Freezer ocation Pin 5 amp 6 of 6 Fre Door Refrigerator Door Closed 5V 0v 35 8 2 3 Temperature Sensor Circuit F SENSOR R SENSOR D SENSOR CONS 5 L ewa RT SENSOR d 5 CON 10 W gt ICING SENSOR 77 LOCATED ON DISPLAY TEMPERATURE RESISTANCE OF FREEZER Icing RESISTANCE OF REFRIGERATOR amp SENSOR DEFROST SENSOR amp ROOM SENSOR 20 C 4 F 22 3 77 o 2 2 10 14 F 13 0 K 47 3 5 23 F 10 1 K 38 4 0 22 F 7 8 30 4 5 41 F 6 2 K 24 1 K 10 C 50 F 4 9 K 19 5 K 15 59 F 3 9 15 9 20 68 F 31K 13K 25 77 F 25K 11 30 C 86 F 2 0 K 8 9 K 40 104 F 1 4 6 2 50 122 F 0 8 4 3 resistance of the SENSOR has 5 common difference Measure the resistance of the SENSOR after leaving it for over 3 minutes in the me
9. Caution Use the part number to order part not the position number REFRIGERATOR LIGHT FILTER ICE MAKER amp ICE BANK PARTS Caution Use the part number to order part not the position number 47 VALVE amp WATER PARTS Caution Use the part number to order part not the position number x EV LOC NO PART NO 3650JJ2003H 3650JJ2003D 3551JJ1015H 5218JJ3001A 5218JJ3001A 4931JJ3002A 5070JJ3002A 4779JA2003A 5209JJ1002C 4930JJ3007A 4975JJ2002A 4975JJ2002B 4930JJ1025A 4930JJ1025B MKK42003201 3391JJ1011B 103A 103B 1036 103E 103E 104E 105F 106A 120B 125D 128A 128B 128E 128F 131A 136A 136B 140B 140B 140D 140E 142D 142E 143E 143F 145A 145B 1450 145F 147A 147B 147C 151A 151C 154A 155B 158A 158E 167B 170A 200A 201A 203A 207C 212B 212G 212J 230A 230B 231A 231B 233A 233B 233D 237A 2376 241 2415 2416 2410 2416 243 243 2435 2435 2485 248 249 249 249 249F 249J 249K 250A 250B 250B 262E 262H 271A 2716 275 2758 2756 276 2765 2790 281 2816 2825 2825 2828 286 286 301 MJS4 2003601 5027JJ2007B 5027JJ2007B MHL38615403 MHL38615404 5026JJ20
10. Place big bowl on the dispenser bottom with pressing active water button to allow the last drop of water to fall into the bowl When after initially establ ishing the water comes out the water tank inside fills and until at the time of quality the hour is caught 2 Ice You can select cube or crushed ice Select cube ice or crushed ice by cycling through the selections when pressing the ICE OPTION button Hold your cup in the dispenser for few seconds with pressing ice switch to allow the last pieces of ice to fall into the cup 8 1 7 DISPENSER LIGHT 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 A 8 1 8 CONTROL OF FREEZER 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 Normal speed 2400RPM General working conditions 5 Fan motor stops when refrigerator open 8 1 9 Cooling Fan Motor 1 The cooling fan is switched ON and OFF in conjunction with the compressor 2 The cooling fan runs at a single speed 3 The Failure sen
11. Poor contact or shorted b OLP c Compressor coil Coil open or shorted d Wiring harness Poor contact or shorted t Poor cooling performance Replace indicated component Compressor runs Check starting Low voltage poorly voltage Advise customer that the Power supply needs to be checked by an electrician Check voltage at Poor or broken or starting devices open contact Check current flowing Shorted in sub coil of Compressor Check rating of OLP F Lack of capacity Fan motor Check wiring circuit Wire is open or doesn t run shorted Check Fan Motor Coil is shorted or open Heavy frost buildup on Check current flow in EVAPORATOR the following components Sensor Fuse M Check current flow in the Defrost Heater 20 Replace indicated component Replace gt indicated component Replace Open indicated component Replace Defrost Heater 6 3 SERVICE DIAGNOSIS CHART COMPLAINT POINTS TO BE CHECKED REMEDY No Cooling Is the power cord unplugged from the outlet Plug into the outlet Check if the power switch is set to OFF Set the switch to ON Check if the fuse of the power switch is shorted Replace the fuse Measure the voltage of the power outlet If the voltage is low correct the wiring Cools poorly Ch
12. Shelf Net 328B Shelf Net 329A Shelf Net 329C Shelf Assembly Refrigerator 332A Shelf Assembly Refrigerator 401A Holder Shelf 402A Holder Shelf 402A Guide Assembly Rail 404A Guide Assembly Rail 405A Bucket Dairy 405B Tray Egg 405C Cover Bucket 405F Tray Assembly Vegetable 405G KNOB SHUTTER 405H Cover TV 406B SUPPORTER COVER TV 407A Cover Lamp 407A Cover Lamp 409B Shelf Glass 409D Tray Assembly Meat 410A Door Assembly Freezer 410G Door Foam Assembly Freezer 411 Gasket Assembly Door 412D Decor Assembly Case 418A Handle Freezer 420A Name Plate 501A STOPPER HANDLE 501F Door Assembly Refrigerator Right 5030 Door Assembly Refrigerator Left 600A Door Foam Assembly Refrigerator 6008 Door Foam Assembly Refrigerator 603 Gasket Assembly Door 603C Gasket Assembly Door 603C Cover Assembly Front 603C Guide Pitcher 603D Guide Drawer 606A Cover Bucket 610A Bucket Dairy 611A Basket Assembly Door 611B Basket Assembly Door 611 Basket Assembly Door 611D Stopper Door 614A Stopper Door 615A Stopper Door 616A Stopper Door 616D Decor Tray 616H Decor Tray 616 Connector Assembly 616K Connector Assembly 617A Rail Slide 617B Rail Slide 619A Cover Connector 619B Cover Connector 621B Bar 621C Connector Assembly 623B Connector Assembly 623C Ring 625A Hinge Assembly Center 627A Hinge Assembly Upper 630L Hinge Assembly Upper 631A Cap Assembly Duct 903A Cap Duct 903B Cap Rubber 903D Spring Lever 903E Holder Lever B01 Ca
13. by pressing and holding the Fill Key for 3 seconds 2 The test works only in the Icemaking Mode It cannot be entered from the Harvest or Fill mode 3 Caution If the test is performed before water in the icemaker is frozen 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 doesnOt operate normally in the TEST mode check and repair as needed 4 After water is supplied the normal CYCLE is followed icemaking Harvest Park Position Fill 5 Five seconds after Stage 5 is completed the Ice Maker returns to MICOM control The time needed to supply water resets to the pre test setting Diagnosis TABLE STAGE ITEMS INDICATOR REMARKS Five seconds after heater starts a 1 HEATER heater will go off if the temperature by sensor is higher than 1010 i i 2 MOTOR seconds after heater Starts you can confirm that a motor is moving Check if Ice Bin is or not 3 HALL IC AN If Ice bin is full the motor and heater are off and on stand by until Ice bin is empty You can confirm HALL IC detection of start 4 HALL IC II position Co 5 VALVE Two seconds after detection of start position you confirm that valve is Return to Status prior to Five seconds after fifth stage is completed 6 Reset Fi TE
14. is closed 39 8 4 PWB ASSEMBLY AND PARTS LIST 8 4 1 Main PWB Assembly F FAN Y TR D9ORI one 161 1811 s 90000000 8 0840 O Qooooo Fave CONT CONS CONS 8060666066 o 7 ceo CES DIP of AW fo Sb sriceea O 0589 LAMP R FD HTR OP OF OR Qoooooooooo ON gt w w wp OP LAMP F 8559 HEATER N EN 40 8 4 2 Dispenser Drive PWB Assembly 12VISVISAU SO CONG ala L 3s Cy 2 QUO Or Or Or OQ OO O R O 901920203 0 O 000 O 90 aa S 5 2 Q O QOO Q9 G RY2 RY3 RY4 5 RY6 ORA 1 8 2 OLEO OaQ rO Ote I I y O 2
15. 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 Ex LOCK Function ON Function OFF 8 1 4 Filter condition display function 1 There is a replacement indicator for the filter cartridge on the dispenser Classification In initial Power On Replace indicator 2 Water filter needs replacement once six months or of using water filter Filter Status HOLD 3SECS J 3 Water Filter icon turn on to tell you need to replace Display B MONTH MONTH the filter soon 4 After replacing the filter press and hold the FILTER RESET button more than 3 seconds HOLD 3 SECS icon turn off with reset status 27 8 1 5 Ice Plus selection Please select this function for quick freezing Function is repeat Ice Plus Icon whenever pressing Ice Plus button Ice Plus function automatically turns off after a fixed time passes 8 1 6 Dis penser use selection 1 Water Water switch Hold your cup in the dispenser for a few ACTIVEWATER BUTTON seconds with pressing water switch to allow the last drops s CUBE 5 AN WATER SWITCH of water to fall into the cup ne Active water button
16. 01L 5026JJ2001M 5027JJ1008K 5027JJ1008D 4930JJ2003A 4930JJ2004A 4975JJ2028C 4975JJ2028D 5074JJ1005A 3390 1014 3550 1017 3391JJ1038B 4940JJ2010A 3550 1108 4980 1016 3550 1104 MCK30060901 4890JL1002H 3391JJ2018D ADC52734104 ADD36429904 4987JJ1004Z ACW36833904 MEB41753001 3846JD1007H 4620JJ2010C ADC52734304 ADC52734204 ADD36429804 ADD36429604 4987JJ2003N 4987JJ2003G ACQ36835602 4974JJ2017A 4974JJ1021A 3550 1103 5074JJ1019A 5005JJ2021E 5005JJ2022A AAP3 7000301 4620JJ3006D 4620JJ3006D 4620JJ2009A 4620JJ2009A 3806JJ1048A 3806JL2011D 5098JJ1002B 5098JJ1002A 5218JA1010E 5218JA1010F 3550JJ1111A 3550JJ1111B 4270JJ3001E 4403JJ3001A 4403 3001 4350JA3005B 4775JJ2019F AEH36437001 AEH36437002 ABN52734601 5006JA2012G 5040JA3032A 4970JA3011C 4930JA3043A 3110J J1011E ACQ36833808 3390JJ1039A 4775JJ2019E ACQ36833807 3806JL2006H 4984JJ3003A 4984JJ3003A 5421JJ1001B LFX23961ST DESCRIPTION Handle Rear 304A Handle Rear 305B Cover Assembly Lower 305B Rail Slide 305C Rail Slide 305C Holder Assembly Gasket 305D Skirt Lower 307A Leg Assembly Adjust 308A Duct Assembly Multi 309A Holder Bracket 310A Guide Assembly Rail 312A Guide Assembly Rail 314A Holder Rail 315A Holder Rail 317A 318 Tray Assembly Drawer 319A Tray Drawer 319C Shelf Assembly Refrigerator 319E Shelf Assembly Refrigerator 323B Shelf Net 327A
17. 03 3846J 4620J D1007F J2010C ADC52734301 ADC52734201 ADD36429801 ADD36429601 4987J 4987J J2003E J2003G ACQ36835601 ACQ36835602 4974J 4974J J2017A J1021A 3550JJ1103A 5074J 5005J 5005J 4620 4620 4620 4620 3806 3806 5098 5098 5218 5218 3550 3550 4270 4403 4403 4350 1019 J2021E J2022A 7000301 J3006A 3006 J2009A J2009A J1048A L2011D J1002B 1002 1010 1010 1111 11118 30015 3001 3001 005 4775JJ2019B AEH3 ABN5 5006 5040 4970 4930 6437001 6437002 2734601 A2012G 3032 A3011C 3043 3110JJ1011E ACQ36833802 3390 4775 1039 J2019A ACQ36833801 3806JL2006H 4984JJ3003A 4984JJ3003A 5421J 3551J J1001B 20085 4580JJ3001A LFX23961SW DESCRIPTION Handle Rear 305B Handle Rear 305C Cover Assembly Lower 305 Rail Slide 305D Rail Slide 307A Holder Assembly Gasket 308A Skirt Lower 309A Leg Assembly Adjust 310A Duct Assembly Multi 312A Holder Bracket 314A Guide Assembly Rail 315A Guide Assembly Rail 317A Holder Rail 318A Holder Rail 319A 3196 Tray Assembly Drawer 319E Tray Drawer 323B Shelf Assembly Refrigerator 327A Shelf Assembly Refrigerator 328B Shelf Net 329A Shelf Net 329C Shelf Net 332A Shelf Net 401A Shelf Assembly Refrigerator 402A Shelf Assembly Refrigerator 40
18. 2A Holder Shelf 404A Holder Shelf 405A Guide Assembly Rail 405B Guide Assembly Rail 405C Bucket Dairy 405F Tray Egg 405G Cover Bucket 405H Tray Assembly Vegetable 406B KNOB SHUTTER 407A Cover TV 407A SUPPORTER COVER TV 409B Cover Lamp 409D Cover Lamp 410A Shelf Glass 410G Tray Assembly Meat 411A Door Assembly Freezer 412D Door Foam Assembly Freezer 418A Gasket Assembly Door 420A Decor Assembly Case 501A Handle Freezer 501F Name Plate 503D STOPPER HANDLE 600A Door Assembly Refrigerator Right 600B Door Assembly Refrigerator Left 603B Door Foam Assembly Refrigerator 603C Door Foam Assembly Refrigerator 603C Gasket Assembly Door 603C Gasket Assembly Door 603D Cover Assembly Front 606A Cover Assembly Front 610A Guide Pitcher 611A Guide Drawer 611B Cover Bucket 611C Bucket Dairy 611D Basket Assembly Door 614A Basket Assembly Door 615A Basket Assembly Door 616A Stopper Door 616D Stopper Door 616H Stopper Door 616J Stopper Door 616K Decor Tray 617A Decor Tray 617B Connector Assembly 619A Connector Assembly 619B Rail Slide 621B Rail Slide 621C Cover Connector 623B Cover Connector 623C Bar 625A Connector Assembly 627A Connector Assembly 630A Ring 630F Hinge Assembly Center 630G Hinge Assembly Upper 630H Hinge Assembly Upper 630K Cap Assembly Duct 630L Cap Duct 631A Cap Rubber 903A Spring Lever 903B Holder Lever 903D Case PCB 903E Cover Assembly Hinge 801 Tray Drain 01 Hinge Assembly Center 24 Cover Assembl
19. 4 V 0 rated Pin connector plated copper alloy To engage 2 33 2 66 mm dia pin Quick connect terminal brass conforms to UL 310 MEMA DC 2 DIN 46344 Figure 19 4 Use a L shaped flap tool to pry off the cover 5 Assembly in reverse order of disassembly 17 5 CIRCUIT DIAGRAM LG Electronics CIRCUIT DIAGRAM POWER CORD 4 NEUTRAL 63 CN 63 R DOOR SW LIVE GN YL DUCT HTR OUTPLATE AUGER_MOTOR lt o T BARRIER HTR WATER PILOT VALVE SOLENOID DISPENSER SOLENOI D CUBE FRONT HEATER HTR WATER PIPE 5 0 POWER S W FO HEATER AUL er 1 l THERMOSTAT FUSEM HEATER SHEAT 72 BK 88 11 12 m F DOOR SW PWB ASSEMBLY DISPENSER 11110 9 8 7 5 4 3 58 WH BL BO RD CON4 CAPACITOR PART ee 1 1 D SENSOR R SENSOR BK T GNNL ea COMP EARTH STARTER P
20. ART F SENSOR 5 VATER LEVER SW 2 SB YL BN BK 12 11 10 2 1 CON102 2 5 PWB ASSEMBLY DISPAY BN BN RD PP RTSENSOR ICING SENSOR BN um BN BL CONS CON101 ICE MAKER KIT NIVIN ATINISSV 8Md 8 8 1 2 WARY 2 88 31 CON2 1121314 RD YL BN PWB ASSEMBLY S W ICE LEVER SW 1 2 WERD PWB ASSEMBLY LAMP 2 D P T C START OPTION 3 CONZ LD COMP MQ COMP EG COMP PWB ASSEMBLY LAMP PLUG TYPE ICE MAKER PART CAPACITOR PART DISPENSER PART THERMOSTAT AND COMP EARTH PART ON CIRCUIT DIAGRAM ARE SUBJECT TO CHANGE IN DIFFERENT LOCALITIES AND MODEL TYPE BK BLACK BN BROWN BO BRIGHT ORANGE GY GRAY RD RED YL YELLOW GN GREEN PR PURPLE WH WHITE WH BK WHITE BLACK SB SKY BLUE PK PINK GN YN GREEN YELLOW BL WH BLUEWHITE RD WH REDMHITE 18 6 TROUBLESHOOTING 6 1 COMPRESSOR AND E
21. ISPLAY LED Main PWB 3 The connection of the Check connection of CONNECTOR Reconnect MAIN PWB CONNECTOR connection is poor CONNECTOR CONNECTOR TRANS FUSE is open Replace Main PWB COOLING is NO COOLING 1 If the COMPRESSOR USE TEST MODE1 COMPRESSOR locked Replace OLP PTC poor operate forced COOLING or blocked less than 7 minutes pass after compressor OLP PTC is poor Replace MAIN PWB shuts off donOt press the COMPRESSOR RELAY KEY and wait iS poor THE CONNECTING Check the connection of WIRE is poor the black wire of the MAIN PWB CONNECTOR 2 If refrigerant is leaking Measure the amount of Refrigerant leakage Replace the leaking part frost sticking on and replace any lost EVAPORATOR and the refrigerant surface temperature of the condenser pipe FREEZER 1 If FAN MOTOR USE TEST MODE1 FAN MOTOR is poor Replace the FAN TEMPERATURE operates forced COOLING MOTOR is incorrect CONNECTING WIRE is Certify the MOTOR and poor the connection of the black wire of the MAIN PWB CONNECTOR 2 If DEFROSTING is normal Check the amount of frost sticking on the EVAPORATOR DEFROSTING is poor See DEFROSTING is poor 3 If SENSOR is normal of the Refrigerator SENSOR SENSOR RESISTANCE is poor Replace SENSOR 4 Door Line contact Check the seal when the door is closed Door liner damaged Replace door liner 38
22. L Micom Control DEFROSTING DEVICE SHEATH HEATER Full Automatic REFRIGERATOR LED Module 12 DEFROSTING SYSTEM LAMP Heater Defrost FREEZER LED Module 3 DOOR FINISH Embossed Metal VCM Stainless HANDLE TYPE Bar INNER CASE ABS Resin INSULATION Polyurethane Foam DIMENSIONS Y d M id n TH 1 Description LFX21980ST LFX25980ST Depth w Handles A 30 in 34 1 4 in Depth w o Handles B 27 1 2 in 31 3 4 in Depth w o Door 23 5 8 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 44 1 4 in 44 1 4 in 2 PARTS IDENTIFICATION J cah o Use this page to become more familiar with the parts and features Page references are included for your convenience NOTE This guide covers several dierent models 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 Q Refriger
23. LECTRIC COMPONENTS gt Remove PTC Starter Rated Voltage from Compressor and 10 measure voltage between Terminal C of Compressor and Terminal 5 or 6 of PTC YES OLP disconnected No Voltage Replace OLP Check connection condition Reconnect Applied voltage isn t Advise customer that in acceptable range power supply needs to b 5 115V 10 checked by an electrician The range of resistance is between 1 5074 ok Replace Compressor Reference 12 Check resistance between M C S C and M S in Motor Compressor Check resistance of Motor Compressor Open or short Check resistance of PTC Starter Check resistance of two terminals in PTC Starter Check OLP Check resistance of two terminals in OLP Reference 12 YES YES Check Check the power supply Supply Did Compressor starting state under load voltage rating compressor is OK Compressor attempting with 10 start to re start after being off for 5 minutes Replace the compressor it 19 6 2 OTHER ELECTRICAL COMPONENTS Not cooling at all Compressor Check for open short or doesn t run o gt incorrect resistance readings in the following components a Starting devices _ Short open or broken
24. LG REFRIGERATOR CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL LFX23961 100000 MODELS 5 SAFETY PRECAUTIONS 1 2 3 4 5 6 7 8 9 SPECIFICATIONS i ride PARTS IDENTIFICATION terii eer eset ee ete ur buana hama mn ana DISASSEMBLY noni ee tor ec gn de Pa CE e Sl DOO techie a pti e etd a e ate dt 3 2 Door aligniment uoi e teme eed eiit a e iere 3 9 Fan and fan motor usine eee en ee ene Tee Rel na eR a PR 3 4 Defrost control assembly las berkenan eee er aa ama mc 3 6 Multi GUCE ce aah aa dat 9 7 Main PWB tie ms angan ita fai iste ee ee RN 3 8 015 P OB LP LM 3 9 lce button assembly ala kei ce ter ie n aee rater ba re eng 3 10 Funnel r placemoernt toe teet etes tute pete C nte ated Nan an Tuo ana anna 3 11 Water button assembly iere eee 3 12 Duct door replacement ua ode atre He editt erede edens 3 13 Ice corner door replacement acercarte i a enn tenen nennen nennen nens 3 14 Icemaker assembly eira
25. ROR CODE on display panel ITEM Failure of Freezer sensor ERROR CODE FRZ TEMP REF TEMP Cut or short circuit wire Failure of Refrigerator sensor Cut or short circuit wire ee of defrost ee Cut or short circuit wire Cut or short circuit wire Cut or short circuit wire When defrost sensor doesn t reach 46 F 8 C within 1 hour after starting defrost When display check mode Er rt Failure of Room Temperature sensor Failure of Icing sensor Failure of defrost If there is fan motor sinal for more than 115sec in operation fan motor Failure of BLDC Fan Motor at Freezing Compartment If there is no fan motor sinal for more than 114sec in operation fan motor Failure of BLDC Fan Motor for Ice Maker at Freezing compartment Failure of Communication between display and Main PCB If there is no communication between display and main PCB x TI LED check function If simultaneously pressing Ultra Ice button and Frz Temp CONTENTS REMARKS Inspect Connecting wires on each sensor Snappiing of defrost heater or Temperature fuse pull out of connector indicated minimum 1 hour after failure occurs Poor motor hooking to wires of fan contact of structures to fan snapping or short circuit of Lead wires Poor motor hooking to wires of fan contact of structures to fan snapping or short circuit of Le
26. ST MODE The icemaker resets to initial status 7 3 DEFECT DIAGNOSIS FUNCTION 7 3 1 ERROR CODES shown on Ice Maker water supply control panel NO DIVISION INDICATOR CONTENTS REMARKS Mark time to Display switch 1 Normal supply None operates properly Icemaking A Make sure that the wire 2 Sensor Open or short circuited wire on each sensor is malfunction connected 26 8 DESCRIPTION FUNCTION amp CIRCUIT OF MICOM 8 1 FUNCTION 8 1 1 Function 1 When the appliance is plugged in it is set to 37 F for Refrigerator and 0 F for freezer You can adjust the Refrigerator and the Freezer control temperature by pressing the ADJUST button 2 When the power is initially applied or restored after a power failure it is set to Control temperature Previously FREEZER REFRIGERATOR ICE PLUS LIGHT FILTER ALARM LOCK ses 8 1 2 How to Toggle the Display between F amp C 1 The initial setting is and the display temperature mode can be changed from F to or C to F by pressing and holding the FRZ TEMP and the REF TEMP keys at the same time for over 5 seconds 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 padlock unlocked icon 2 To lock the display the dispenser and the control panel press and hold the ALARM LOCK button for 3
27. ad wires check the wires of display connection for a second display LED graphics on If releasing the button the LED graphic displays the previous status 31 8 1 16 TEST Mode 1 The Test mode allows checking the PCB and the function of the product as well as finding out the defective part in case of an error The test mode is operated by pressing test button at main PCB controller While in the test mode the function control button is not recognized but the recognition tone sounds After exiting the test mode be sure to reset by unplugging and then plugging in the appliance If an error such as a sensor failure is detected while in the test mode the test mode is cleared and the error code is displayed 6 While an error code is displayed the test mode will not be activated nm Table 1 Function Test MODE OPERATION FUNCTION REMARKS 1 Continuous operation of the COMPRESSOR and the Freezer fan bee Maximum test time TEST1 Push Test Switch in the 2 Stepping DAMPER OPEN 5 minutes main Board once 3 Defrosting HEATER OFF 4 DISPLAY LED all ON 1 Continuous operation of the COMPRESSOR and the Freezer fan 5 2 Maximum test time Push TEST Switch 2 Stepping DAMPER CLOSE 5 minutes once in TEST MODET 3 Defrosting HEATER OFF 4 DISPLAY LED shows no 2 1 COMPRESSOR and the Freezer fan OFF Reset if the TEST3 Temperature of the Push TEST Sw
28. aker Power is ON the Icemaker heater will be on for test for 6 sec 7 2 2 Harvest Mode 1 Harvest 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 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 is adjusted by pressing the Fill Key repeatedly This changes the time allowed for fill as illustrated in the table below Water supply amount TABLE STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 5 566 co The water amount will vary depending 2 5 5 on the water control Switch setting as FIRST STAGE well as the water pressure of the connected water line EA 3 6 sec Co 25 7 2 4 Function TEST 1 This is a forced operation for TEST Service cleaning etc It is operated
29. al 1 Remove door frame cover Starting at top of cover and working down snap cover out and away from door Frame Cover Handle Figure 1 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 gasket bracket and door frame and pry back until clips snap out 3 Continue prying back along seam until all clips snap out Gasket Door Bracket Clip Frame Flat Tip Screwdriver Gasket Bracket Figure 2 3 Remove gasket Pull gasket free from gasket channel on the three remaining sides of door Figure 3 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 Gasket 0 Bracket Clip Spring Door Correct Incorrect Figure 4 4 Push in remaining clip until you hear it snap securely into place Note Make sure that no part of gasket bracket edge protrudes from beneath door frame edge 2 Insert gasket into channel 1 Snap gasket assembly into the door bracket lt Inserting the Gasket Assembly into the Bracket Door gt Correct Incorrect Figure 5 2 P
30. asuring temperature This delay is necessary due to sensor response speed 36 8 2 4 Refrigeration Compartment Stepping Motor Damper Circuit 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 CONG To see connector 6 picture refer to page 37 8 2 5 Dispenser Drive Circuit CON Tae L Tog 85 2 E ENT ts H zx Em P anon r8 Ir us DB or P3 EA ps rg Wu Legh 1 ag Be 7 Ei i7 B BRE STEPPING CON4 Circuit Pin Number Pin Number Output Voltage Auger Motor Cont Pin12 1 Pin4 115 VAC Solenoid Cube Cont 11 Cont Pin4 115 VAC Pilot Water Valve Cont Pin10 1 Pin4 115 VAC Solenoid Dispenser 1 Ping 1 Pin4 115 VAC Heater 1 Pin7 Cont Pin4 115 VAC 37 8 3 TROUBLESHOOTING PROBLEM INDICATED BY CHECK CHECKING METHOD CAUSE SOLUTION POWER 1 The whole 1 FREEZER Check if POWER SOURCE is Replace Main PWB SOURCE is REFRIGERATOR FREEZER REFRIGERA poor poor TOR DOOR IS OPEN and check display 2 If LAMP is dim Check visually Applied voltage error Replace 2 D
31. ator Light Turbo Motor Ice Bucket 6 Filter Inside 9 Freezer light Modular Door Bins 8 Durabase Egg box Q Divider Dairy Bin Ice Bin Refrigerator Shelves water Tank Cover Crisper Snack Pan Ice Room O del Glide out Drawer n some models 3 DISASSEMBLY 3 1DOORS 1 Removing Refrigerator Door NOTE Handle appearance may vary IMPORTANT Before you begin turn the refrigerator OFF and unplug it Remove food and any bins from doors gt Left Door e Loosen the screws and remove the cove on back side see figure Disconnect water supply tube by pushing back on the disconnect ring 3 Loosen the cover screw 1 Disconnect 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 e Loosen screws 7 and lift off the top hinge 8 Place the door on a non scratching surface with the inside up CAUTION When removing top hinge be careful that the door does not fall forward gt Right Door Loosen the cover screw 1 Disconnect door switch wire 2 Loosen screws 7 and lift off the top hinge 8 Place the door on a non scratching surface with the inside up os UP SS Figure Door Gasket Remov
32. ce 3 6 MULTI DUCT 1 Remove the upper and lower Caps by using a flat screwdriver and remove 2 screws Figure 16 2 Disconnect the lead wire on the bottom position 4 If 0226 is interfered with button push and 5 Remove the pull out the bottom of button connected part of Lead wire CAUTION When replacing the dispenser cover in the reverse order of removal be careful that the lead wire Figure 14 does not come out and the water tube is not pinched by MAIN PWB the dispensor Loosen the 3 screws on the PWB cover 3 8 DISPLAY PCB As shown below remove 1 case PCB fixing screw Remove the display PCB fixing screw 2 Remove the PWB cover wt s Case PCB Display PCB 3 9 ICE BUTTON ASSEMBLY 1 Remove the screw fixing the button lever 2 Push the spring from the hanging hook to remove it 3 Apply some pressure to the rib in direction and lift the button in Direction 3 Disconnect wire harness and replace the main PWB in Button Lever 3 10 FUNNEL REPLACEMENT Pull down and forward 1 Pull out the darin the lower 3 Hold the inner side part of the dispenser of cover dispenser firmly pull it out with both hands at the handle side to pull it out forward 9 3 11 WATER BUTTON ASSMEBLY 3 14 ICEMAKER ASSEMBLY 1 Romove screws 1 Loosen two screws as shown in the first picture 2 Grasp the Button assembly and lift up Button Lever
33. d frost isn t temperature Refrigerant 4 refrigerator don t cool Formed MOISTURE Cooling operation Flowing sound of refrigerant Lower than Cooling operation restarts CLOG stops periodically is not heard and frost melts ambient when heating the inlet of the temperature capillary tube COMP Freezer Low flowing sound of A little higher Low pressure at high side RESSION Refrigerator refrigerant is heard and than ambient of compressor due to low don t cool frost forms in inlet only temperature refrigerant level ZA NO COMP No compressing Flowing sound of refrigerant Equalto ambient No pressure in the high e RESSION operation is not heard and there is temperature pressure part of the z no frost compressor 22 6 4 1 SEALED SYSTEM DIAGNOSIS Not Cooling Complaint All components operating No airflow problems Not frosted up as a defrost problem problem has been isolated to sealed system area Equalization Test Equalization Test Very Slow Very Slow Very Fast Inefficient Compressor Partial Complete Restriction Restriction Condenser Temperature Hotter than Normal Room Temperature None to Weak Air Low Side Loss of Change Leak Compressor Not Pumping Trace of Oil No Undercharge The equalization test is trying to restart a compressor using a start kit after it
34. eck if the unit is placed too close to the wall Place the unit about 4 inches 10 cm from the wall Check if the unit is placed too close to the stove Place the unit away from these heat sources gas cooker or in direct sunlight 5 the ambient temperature too high or Lower the ambient temperature the room door closed Check if food put in the refrigerator is hot Put in foods after they have cooled down Did you open the door of the unit too often Don t open the door too often and close or check if the door is sealed properly it firmly Check if the Control is set to Warm position Set the control to Recommended position Food in the 15 food placed in the cooling air outlet Place foods in the high temperature section Refrigerator front part is frozen Check if the control is set to colder position Set the control to Recommended position Is the ambient temperature below 41 F 5 C Set the control to Warm position Condensation or ice forms inside the unit Is liquid food sealed Check if food put in the refrigerator is hot Did you open the door of the unit too often or check if the door is sealed properly 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
35. ed Screw Customized Screw Customized Screw Customized Screw Customized Screw Customized Screw Customized Screw Customized EV LOC NO PART NO 103A 103B 103C 103E 103E 104E 105F 106A 120B 125D 128A 128B 128E 128F 131A 136A 136B 140B 140B 140D 140E 142D 142E 143E 143F 145A 145B 145 145 147 1478 147 151 151 154 155 158 158 1678 170 200 201 203 207 212 2126 212 230 2308 231 2318 233 2338 2336 2330 237 2376 241 2418 2416 2410 241G 243A 243A 243B 243B 248E 248F 249A 249B 249E 249F 249J 249K 250A 250B 250B 262E 262H 271A 271C 275A 275B 2756 276 2768 2790 281 2816 2828 2825 282 286 286 301 304 3058 3650 3650 3551 5218 5218 4931 5070 4779 J2003E J2003A J1015B J3001A J3001A J3002A J3002A A2003A 5209JJ1002C 4930JJ3007A 4975J 4975J 4930J 4930J J2002A J2002B 1025 J1025B MKK42003201 3391 MJS4 5027J 5027J J1011B 2003601 J2007B J2007B MHL38615403 MHL38615404 5026J 20011 5026JJ2001M 5027J 5027J 4930J 4930J 4975J 4975J 5074J J1008K J1008D J2003A J2004A J2028C J2028D J1005A 3390JJ1014A 3550J 3391J 4940J J1017A 10385 J2010A 3550JJ1108A 4980JJ1016A 3550J J1104A MCK30060901 4890J L1002H 3391JJ2018D ADC52734101 ADD36429901 4987J J1004A ACW36833901 MEB417530
36. es 46 4 F 8 C or more If the sensor doesn t reach 46 4 F 8 C in 1hours the defrost mode is malfunctioning Refer to the defect diagnosis function 8 1 14 4 Defrosting won t function if its sensor is defective wires are cut or short circuited 8 1 14 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 Freezer Display FREEZER REFRIGERATOR ICE PLUS LIGHT FILTER ALARM LOCK 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 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 over 5 seconds 3 The display will show the word OFF 4 In this mode all loads are turn Off Compressor Heater Fans etc 5 Lamps and Dispenser Functions works normally Even in demonstration mode the refrigerator Lamp automatic off function works normally 6 To exit Demonstration mode open any Door then press and hold Ice Plus and Refrigerator buttons over 5 seconds Display return to normal mode 30 ER
37. essor 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 PTC device is cooled the PTC device will allow current to flow only to the main winding 2 The OLP will open because of the over current condition This same process will continue 3 to 5 times when the compressor attempts to restart until the PTC device has cooled The correct OLP must be properly attached to prevent damage 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 6 Note for Using the PTC Starter 1 Be careful not to allow over voltage and over current 2 Do not drop or handle carelessly 3 Keep away from any liquid If liquid such as oil or water enters the PTC PTC materials may fail due to breakdown of their insulating capabilities 4 If the exterior of the PTC is damaged the resistance value may be altered This can cause damage to the compressor and result in a no start or hard to start condition 5 Always use 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
38. ezer door up to unhook it from the rail from each side 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 PUSHED IN TO RELEASE THE GEAR 13 3 18 2 Follow Steps to Reinstall Step 1 Reinstall the right side gear into the clip Step 2 Insert the rail into the right side gear Gears do not Step 3 Insert the rail into the left side gear and insert the need to be perpendicular to each other gear into the clip Step 4 rail system will align itself by pushing the rails Step 5 Reinstall the freezer door by inserting the rail tabs all the way into the freezer section into the guide rail Pull the rails back out to full extension Step 6 Reinstall the two screws into the guide rails Step 7 Reinstall the lower basket and close the freezer one from each side door 14 3 19 FAN AND FAN MOTOR DISASSEMBLY 3 20 PULL OUT DRAWER METHOD 1 To remove lift basket up and pull out straight out 1 Using a short screwdriver loosen one SCREW in DRAIN PIPE ASSEMBLY and one connected to the MOTOR COVER MOTOR COVER 2 To Install pull both rails out to ful
39. has been operating 23 7 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 7 1 OPERATION PRINCIPLE 7 1 1 Operation Principle of IceMaker Power On Start Position Adjusts EJECTOR to Start Position with power on Icemaking Waits until water becomes ICE after starting the icemaking operation Runs MOTOR to drop ice from the tray into the ICE BIN During harvest mode check if the ice bin is full Park Position Reaches Start Position Performs Ice Making Mode after supplying water by operating the SOLENOID in ICE VALVE U v vy vy pP To operate LINE and SERVICE press and hold the Fill Key for 3 seconds The icemaker will run through 3 stages Harvest gt Fill Icemaking Test Mode 1 Turning the Icemaker stop switch off O stops the ice making function 2 Setting the Icemaker switch to OFF and then turning it back on will reset the icemaker control EJECTOR Automatic Shut off Cube Size ut off Arm Selection Button Switch 24 7 2 ICE MAKER FUNCTIONS 7 2 1 Icemaking Mode 1 Icemaking refers to the freezing of supplied water in the ice tray Complete freezing is assured by measuring the temperature of the Tray with Icemaking SENSOR 2 Icemaking starts after completion of the water fill operation 3 The Ice Making function is completed when the sensor reaches 191 71 55 minutes after starting NOTE After Icem
40. 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 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 Adjust the Leveling Screw and position the refrigerator in a firm place Remove the objects Fix the Drip Tray firmly in the original position Place the cover in its original position Door does not close well Check if the door gasket is dirty with an item like juice 5 the refrigerator level Is there too much food in the refrigerator Clean the door gasket Position in a firm place and level the Leveling Screw Make sure food stored in shelves does not prevent the door from closing Ice and foods smell unpleasant Check if the inside of the unit is dirty Are foods with a strong odor unwrapped The unit smells of plastic Clean the inside of the unit Wrap foods that have a strong odor New products smell of plastic but this will go away after 1 2 weeks Other possible problems Check if frost forms in Not the freezer gt defrosting Check the refrigeration system The system is faulty Chec
41. itch once 2 Stepping DAMPER CLOSE Defrosting Sensor is in TEST MODE 2 3 Defrosting HEATER ON 46 F 8 C or more 4 DISPLAY LED shows no 3 Reset to the previously setting The compressor will EUs wich Before TEST MODE RESET once in TEST MODES Start after a 7 minute Delay 32 8 2 8 2 1 Power Circuit 1 Power is supplied to the control board at pin1 and 3 of connector 1 i POWER 0 ICS KIA7BOSAPI DuTPur 33 8 2 2 Load Fan amp Open Door Detection Circuit 1 Load Drive Condition Check MAKER 9 85 5 CON3 L 2222 1 LOAD DRIVE AREA PCB 34 measure putput of the fans on the control board check voltages between the pins for the following components CON4 9 OUTPUT VOLTAGE FAN PIN NUMBER PIN NUMBER MOTOR ON MOTOR OFF Freezing compartment fan 4 Pin1 4 Pin2 13 VDC 15 VDC 2 VDC or less Machine compartment fan 4 Pin7 4 Ping 13 VDC 15 VDC 2 VDC or less Icing compartment fan 4 Pin4 4 5
42. k the Thermistor The operation of gt the Thermistor is incorrect 21 Check Components of the defrosting circuit Perform sealed system repair Replace the Thermistor 6 4 REFRIGERATION CYCLE Troubleshooting Chart STATE OF STATE OF THE TEMPERATURE CRUSE THE UNIT EVAPORATOR OFTHE REMARKS COMPRESSOR PARTIAL Freezer Low flowing sound of A little higher Refrigerant level is low due LEAKAGE compartmentand Refrigerant is heard and than ambient to a leak Refrigerator don t frost forms in inlet only temperature Normal cooling is possible by m cool normally restoring the normal amount of 2 refrigerant and repairing the leak gt m COMPLETE Freezer Flowing sound of refrigerant Equal to ambient No discharging of Refrigerant LEAKAGE compartment and is not heard and frost isn t temperature Normal cooling is possible by Refrigerator don t formed restoring the normal amount of cool normally refrigerant and repairing the leak o PARTIAL Freezer Flowing sound of refrigerant A little higher Normal discharging of the CLOG compartment and is heard and frost forms than ambient refrigerant eo Refrigerator don t in inlet only temperature The capillary tube is faulty m cool normally lt WHOLE Freezer Flowing sound of refrigerant Equal to ambient Normal discharging of the 2 CLOG compartment and is not heard an
43. l extension Hook the basket supports into the rail tabs and push to 2 Pull and separate the FAN ASSEMBLY and MOTOR the back of compartment 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 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 15 4 USTMENT 4 1 COMPRESSOR 4 1 1 Role The compressor intakes low temperature and low pressure gas from the evaporator of the refrigerator and compresses this gas to high temperature and high pressure gas It then delivers the gas to the condenser 4 1 2 Composition The compressor includes overload protection The PTC starter and OLP overload protector are attached to the outside of the compressor Since the compressor is manufactured to tolerances of 1 micron and is hermetically sealed in a dust and moisture free environment use extreme caution when performing repairs 4 1 3 Note for Usage 1 Be careful not to allow over voltage and over current 2 If compressor is dropped or handled carelessly poor operation and noise may result 3 Use proper electric components appropriate to the Particular Compressor in your product 4 Keep Compres
44. only approved substitute parts 16 4 3 OLP OVERLOAD PROTECTOR 4 4 REMOVE THE COVER 4 3 1 Definition 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 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 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 OLB 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 connected OVERLOAD PROTECTOR cross section customer pari 3 Loosen two screws on base number 1 Base phenolic Lot code UL 94 V 0 rated 330 FBYY date ode 2 Movable arm support plated steel Slatoniary cortaot subpar part number part number plated steel 4 Heater support plated steel Heater resistance alloy Disc thermostatic alloy Movable arm spring temper copper alloy Contact movable silver on copper Contact stationary silver on copper Slug plated steel Cover polyester UL 9
45. r Roller Pin Common Pin Common Roller Compressor Set Assembly Thermistor Assembly Overload Protect Cover PTC Damper Compressor Stopper Compressor Base Assembly Compressor Drier Assembly Holder Drier Tray Drip Guide Fan Bracket Motor Condenser Assembly Wire Cap Drain Tube Damper Pipe Fan Assembly Fan Assembly Grille Assembly Fan Controller Assembly Switch Push Button Switch Push Button Motor DC Bracket Motor Damper Motor Support Damper Motor Support Damper Motor Support Bracket Assembly Motor Solenoid Reversing Valve Switch Push Button Duct Assembly Connector Duct Assembly Connector Lamp Incandescent Reflector Lamp Drawing Assembly Capacitor Electric Appliance Film Box Power Cord Assembly Drawing Assembly Heater Sheath Motor DC PCB Assembly Cover Assembly PCB Case Display Ice Maker Assembly Bucket Assembly Ice Holder Assembly Bracket Holder Bracket Holder Bracket Holder Bracket Holder Bracket Cover Motor Cover Sensor Filter Assembly Water Filter Head Cover Filter Cover Filter Solenoid Reversing Valve Tank Water Tube Plastic Tube Plastic Connector Tube Connector Tube Connector Tube Tube Plastic Spring Valve Water Cover Valve Connector Assembly Connector Assembly Holder Pipe Cover Tube Band Spring Cover Front Cover Lower Holder Cover Lower Sensor Sensor Screw Customized Screw Customized Screw Customiz
46. ress gasket into channels the three remaining sides of door 3 Replace door frame cover Starting at top of cover and working down snap cover back into door Figure 6 Figure 7 3 2 DOOR ALIGNMENT If fridge door are uneven Use the wrench Included with the User Manual to adjust the bolt in the door hinge to adjust the height CCW to raise or CW to lower the height Figure 8 3 3 FAN AND FAN MOTOR EVAPORATOR 1 2 3 4 Remove the freezer shelf If your refrigerator has an icemaker remove the icemaker first Remove the plastic guide for slides on left side by unscrewing phillips head screws Remove the grille by pulling the grille fan forward Remove the Fan Motor assembly by loosening 2 screws and disassembling the shroud Pull out the fan and separate the Fan Motor and Bracket FAN MOTOR 9 BRACKET 0 Figure 9 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 3 screws 3 3 4 DEFROST CONTROL ASSEMBLY Defrost Control assembly consists of Defrost Sensor and FUSE M The Defrost Sensor works to defrost automatically It is attached to the metal side of the Evaporator and senses its temperature At 72jC
47. se PCB S01 Cover Assembly Hinge S24 Tray Drain S24 Hinge Assembly Center 27 Cover Assembly Hinge 27 Decor Duct 31 BUSH 32 BUSH 38 Evaporator Assembly 38 LOC NO PART NO 3551JJ2008B 4580JJ3001A 4580JJ3001A 4J04238A 4J04238A 4580JA3042A 1748001 6748C0004D 6750C0004R 3550JA2059A 5040JA3031A 4620JA3009A 3103JJ1001J 5851JJ2002F 4930JA3034A 3390JJ0004A 41997401 4810 2005 5403 1007 5006 034 4J04328A 5901JJ1005A ADP36665702 AEB36834001 6615JB2005C 6600JB3007B 6600JB3007B EAU52096201 4810 0001 5040JJ2001A 5040JA2009B 5040JA2004B 4811 2002 6421 820020 6600JB1004A 5209JJ2004A ADJ36834101 6912JB2004M 3034JJ1002B 6621JK2003B 0CZZJB2012K 6411JK1006L 6877JK2011A 5300JB1100J 4681JB1029J EBR41956101 3551JJ1020A 3110JJ1021A AEQ36756907 AKC37000401 4931JA3005B 4930JA3091A 4930JA3091A 4930JA3091A 4930JA3093A MCK41991601 3550 2020 5231JA2006A 5230JA2003A 3550JL1008E 3550JJ2028B 6421JA3001X 4838JA2003B 5210JA3005X 5210JA3004B 4932JA3014A MCD38280801 4932JA2003B 5210JA3005G 4970JA3004G MJX41869201 3550 2024 30147004 ACJ30147003 5006JJ2003A 4930JA3054A 3550JA2184A 4770JA3001A 4970JJ3005A MCK41996401 3550JJ0006D 4930JJ2021A 6500JK1003A 6500JK1004A 1STZJA3004F 1SZZJJ3010A 1SZZJA3011B 1SZZJA3011B 4J01424C 4J01424C 4J01425D 3J05696W 4J00415D 4J00415D DESCRIPTION Cover Assembly Machinery Rear Rolle
48. sed 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 after the balance of the delay time 5 The fan motor in the freezer compartment runs at high speed during Ice Plus 6 For the rest of the 21 hours the freezer will be controlled at the lowest temperature 8 1 12 Alarm for Open Door 1 This feature sounds a buzzer when the freezer or refrigerator door is not closed within 1 minute after it is opened 2 One minute after the door is opened the buzzer sounds three times each for 1 2 seconds These tones repeat every 30 seconds 3 The alarm is cancelled when the freezer or the refrigerator is closed while the buzzer sounds Freezer Door Open Closed Open Clos or Refrigerator Door 3 Times 3 Times 3Times 3 Times Buzzer mm Within 1 min 1 min 90 sec 30 sec 30 sec 29 8 1 13 Defrosting removing frost 1 Defrosting starts each time theaccumulated COMPRESSOR running time is between 7 30 and 40 hours This time is determinated by how often and how long the doors are opened 2 For initial power on or for restoring power defrosting starts when the compressor running time reaches 4 hours 3 Defrosting stops if the sensor temperature reach
49. sembly PTC Overload Protect Cover PTC Damper Compressor Stopper Compressor Base Assembly Compressor Drier Assembly Holder Drier Tray Drip Guide Fan Bracket Motor Condenser Assembly Wire Cap Drain Tube Damper Pipe Fan Assembly Fan Assembly Grille Assembly Fan Controller Assembly Switch Push Button Switch Push Button Motor DC Bracket Motor Damper Motor Support Damper Motor Support Damper Motor Support Bracket Assembly Motor Solenoid Reversing Valve Switch Push Button Duct Assembly Connector Duct Assembly Connector Lamp Incandescent Reflector Lamp Drawing Assembly Capacitor Electric Appliance Film Box Power Cord Assembly Drawing Assembly Heater Sheath Motor DC PCB Assembly Cover Assembly PCB Case Display Ice Maker Assembly Kit Bucket Assembly Ice Holder Assembly Bracket Holder Bracket Holder Bracket Holder Bracket Holder Bracket Cover Motor Cover Sensor Filter Assembly Water Filter Head Cover Filter Cover Filter Solenoid Reversing Valve Tank Water Tube Plastic Tube Plastic Connector Tube Connector Tube Connector Tube Tube Plastic Spring Valve Water Cover Valve Connector Assembly Connector Assembly Cap Cover Holder Pipe Cover Tube Band Door Assembly Freeze Room Hinge Assembly Upper Hinge Assembly Lower Cover Home Bar Spring Spring Cover Front Cover Lower Holder Cover Lower Sensor Sensor Screw Customized Screw Customized Screw Customized Screw Customized
50. sing mathod is the same as in the fan motor of the freezing fan motor refer to failure diagnosis function table for failure display 8 1 10 Icing Fan The Icing Fan is controlled by the the sensor on the top of the ice room The Failure sensing mathod is the same as in the fan motor of the freezer refer to failure diagnosis function table for failure display 28 8 1 11 Ice Plus 1 The purpose of this function is to intensify the cooling speed of freezer and to increase the amount of ice 2 Whenever selection switch is pressed selection release the Icon will turn ON or OFF 3 If there is a power outage and the refrigerator is powered on again Ice Plus will be canceled 4 To activate this function press the Ice Plus key and the Icon will turn ON This function will remain activated for 24 hrs The first three hours the compressor and Freezer Fan will be ON The next 21 hours the freezer will be controlled at the lowest temperature After 24 hours or if the Ice Plus key is pressed again the freezer will return to its previous temperature 5 During the first 3 hours 1 Compressor and freezer fan HIGH RPM run continuously 2 If a defrost cycle begins during the first 90 minutes of Ice Plus the Ice Plus cycle will complete its cycle after defrosting has ended If the defrost cycle begins when 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 pres
51. sor dry If the Compressor gets wet in the rain or a damp environment and rust forms in the pin of the Hermetic Terminal poor operation and contact may result b When replacing the Compressor be careful that dust humidity and soldering flux donOt contaminate the inside of the compressor Dust humidity and solder flux contaminate the cylinder and may cause noise improper operation or even cause it to lock up 4 2 PTC STARTER 4 2 1 Composition of PTC Starter 1 PTC Positive Temperature Coefficient is a no contact semiconductor starting device which uses ceramic material consisting of BaTiO3 2 The higher the temperature is the higher the resistance value These features are used as a starting device for the Motor 4 2 2 Role of PTC Starter 1 The PTC is attached to the Sealed Compressor and is used for starting the Compressor Motor 2 The compressor is a single phase 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 LFX21980 31215 LFX25980 231615 OVERLOAD PROTECTOR O COMPRESSOR MOTOR IT M T O STARTER SEALED TERMINAL Resistance Starter Capacitor Running 4 2 4 Motor Restarting and PTC Cooling 1 It requires approximately 5 minutes for the pressure to equalize before the compr
52. y Hinge 24 Decor Duct 27 BUSH 27 BUSH 31 Evaporator Assembly 32 Cover Assembly Machinery Rear 538 Roller 38 10 4580JJ3001A 4J04238A 4J04238A 4580JA3042A 1748001 6748C0004D 6750C0004R 3550JA2059A 5040JA3031A 4620JA3009A 3103JJ1001J 5851JJ2002F 4930JA3034A 3390JJ0004A MEA41997401 4810JJ2005A 5403JJ1007A 5006JA3034A 4J04328A 5901JJ1005A ADP36665702 AEB36834001 6615JB2005C 6600JB3007A 6600JB3007A EAU52096201 4810JJ0001A 5040JJ2001A 5040JA2009B 5040JA2004B 4811JJ2002J 6421JB2002D 6600JB1004A 5209JJ2004A ADJ36834101 6912JB2004M 3034JJ1002B 6621JK2003B 0CZZJB2012K 6411JK1006L 6877JK2011A 5300JB1100J 4681JB1029J EBR41956101 3551JJ1020A 3110JJ1021A AEQ36756907 AKC37000401 4931JA3005B 4930JA3091A 4930JA3091A 4930JA3091A 4930JA3093A MCK41991601 3550JJ2020A 5231JA2006A 5230JA2003A 3550JL1008E 3550JJ2028B 6421JA3001X 4838JA2003B 5210JA3005X 5210JA3004B 4932JA3014A MCD38280801 4932JA2003B 5210JA3005G 4970JA3004G MJX41869201 3550JJ2024A ACJ30147004 ACJ30147003 5006JJ2003A 4930JA3054A 3550JA2184A 4770JA3001A 3581JA1182F AEH36582801 AEH36582701 MCK42523301 4970JA3004G 4970JJ3005A MCK41996401 3550 0006 4930JJ2021A 6500JK1003A 6500JK1004A 1STZJA3004F 1SZZJJ3010A 1SZZJA3011B 1SZZJA3011B 4J01424C 4J01424C 4J01425D 3J05696W 4J00415D 4J00415D DESCRIPTION Roller Pin Common Roller Compressor Set Assembly Thermistor As
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