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REFRIGERATOR SERVICE MANUAL

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1. F FAN C FAN iz IE S RSN DISPLAY STEP MOTOR uv D SNR R SNR F SNR a 7 CEA 000000 loo oo o o I II CONG CE12 o d o cm CONS m 820 o Aw o 0 8 0 5 98 s CE9 08 m OwO OO J09 J15 O O O O O O O O 168
2. P72 D6 oe cots SPM KTC3188 sv m OQ 2 1 en MA NT 64 com 3 w 2 7 FRIOT __ 2 n LT Rus 15K fmm 1 2 4 P14 los Do oe ea 703198 Pi Ts OD 5 1 32 Pit Cc20 6 12 CONS 23 R23 HO P60 12 cci L 20 ur F SENSOR 228 RRI 11 1507 R24 26 1KF pet 24 1 ch 10 CCi3 p R SENSOR 223 RDI 7 9 P62 25 R25 2 8 5 RS CE9 co Tour 7 D SENSOR R27 50V 30 R26 20 6 9 F DOOR SW 223 h dil T 1068 916 TATTTAF m 15 1 A CE10 TuF ds x os bus Te STEPPING 31 tok rg Prog n MOTOR P10 3 pio 29 34 457 10 4 B P13 12 13 CON7 R38 37 R39 2KJ 1 P16 L 26 223 R DOOR S W 2 PUMP 39 R21 a P20 8 oe 29 223 mm 4 Pa or 5 E M Lu ex RT SENSOR 223 A 6 7 pi 36 am 1 co p CON6 1 1 2 2 gt 5 38 mI ge A Y amp R18 39 aha 25 e r 8 jJ
3. EM E 3l 02 32mHI05A FRIOT gg 100 lt FUSEt 250V 2A 5 88K 2 RN lize s RE 4 i DE H SmHMA 3lE 1 162 C fic w 9 N 66551 is 5 22 power 0 42 t e w site 21 221 47 5 a RUNNING CAPACITOR IC6 18 KID65003AP D7 IN4004 ox 4 10 csl H o 11 DEF HEATER FUSE M la LAMP F 3 j 1 gt 7 DOOR SM F m GSNB 1A m 5 Lo A u GE 1 1 Oo BE DOOR SM R18R2 G5N 1A age 12 I CON3 5 RYG G5N 1A 3 AE z ots 9 FRENCH DOOR HEATER VALVE II vw a 19 29 OSC1 CSTS0400M603 Be T 20 m RESISTANCE OF COLD STORAGE ROOM NOTE RCRI TEMP COMPENSATION co I 2 104 104 m m 180KJ 25 C WARMER 56KJ 42 C 33KJ 41 5 C 18KJ Hc RIS 12K 05 C 10 7 10KJ 0 C FACTORY 82 05 C 56KJ AC 33KJ 45 C 2 m 20 cu COLDER 470J 25 C 1 2 3 4 5 8 14 16 29 30 35 40 41 VDD Varef Vss Vass TEST P06 05 P02 P03 P04 P07 XIN XOUT RESET P64 TOSHIBA TMP87CH46N IC1
4. gt Check resistance resistance of between M C S C and Motor M S in Motor Open or short Replace Compressor Compressor Check Check resistance of resistance of two terminals in Reference Page12 PTC Starter PTC Starter Check resistance of two terminals in OLP Check OLP Reference Page12 The range of resistance is between 1 50Q ok Check starting state Check the power supply under load Compressor attempting to re start after being off for 5 minutes YES YES Did compressor start Supply voltage rating with 10 11 Compressor is OK Replace the compressor 6 2 PTC AND OLP Observation value is 115V 60Hz 6 80 30 Normal operation of Compressor is impossible or poor Separate PTC Starter from Compressor and measure resistance between No 5 and 6 of PTC Starter with a Tester Figure 20 Replace PTC Starter The resistance value is 0Q short or open Shows continuity Separate OLP from Compressor and check resistance value between two terminals of OLP with a Tester Figure 21 Check another electric component Replace OLP Figure 21 12 6 3 OTHER ELECTRICAL COMPONENTS Y Not cooling at all Compressor Check for open short
5. DEF HEATER FUSE M UPE 9 4 DOORSMF LAMP R 2 gt e j mn 1 01 pit Ir CON3 8 FRENCH DOOR d amp Hm FRENCH DOOR LOAD TYPE ud LAMP HEATER 1 2 VALVE DEW HEATER Measurement Location IC6 NO 13 NO 14 NO 16 NO 12 NO 15 ON 1V or below Condition OFF 12V 2 Motors driving circuit 2 1 Fan motor driving circuit freezing compartment fan 1 This circuit makes standby power 0 by cutting off power supplied to ISs inside of the fan motor in the fan motor OFF 2 This is a circuit to perform a temporary change of speed for the fan motor and applies DC voltage up to 7 5V 16V to motor 3 This circuit prevents over driving the fan motor by cutting off power applied to the fan motor in the lock of fan motor by sensing the operation RPM of the fan motor N Z m MICOM 28 part b part part MOTOR OFF 2V or less OV 5V MOTOR ON 13V 15V OV 2V 3V 2 2 Cooling motor driving circuit machine room 1 This circuit makes standby power 0 by cutting off power supplied to ISs inside of the fan motor in the fan motor OFF 2 This circuit prevents over driving the fan motor by cutting off power applied
6. TEMPERATURE ESISTA SENSOR DEFROST SENSOR amp ROOM SENSOR 20 C 22 3 77 15 C 16 9 KQ 60 KQ 10 C 13 0 KQ 47 3 KQ 5 C 10 1 KQ 38 4 KQ 0 C 7 8 30 KO 5 C 6 2 KQ 24 1 KQ 10 C 4 9 19 5 15 C 3 9 KQ 15 9 20 3 1 KQ 13 KQ 25 2 5 11 KQ 30 2 0 8 9 KQ 40 1 4 6 2 50 C 0 8 KQ 4 3 KQ The resistance of the SENSOR has 5 common difference 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 24 8 4 TROUBLESHOOTING PROBLEM INDICATED BY CHECK CHECKING METHOD CAUSE SOLUTION POWER SOURCE 1 The whole DISPLAY 1 FREEZER Check if FREEZER POWER SOURCE is poor Check outlet Voltage iS poor LED SEVEN SEGMENT REFRIGERATOR REFRIGERATOR DOOR 5 DISPLAY is off OPEN and check display 2 DISPLAY LED 2 If LAMP is dim Check visually Applied voltage error Use boosting TRANS SEVEN SEGMENT 3 The connection of Check connection of CONNECTOR connection Reconnect CONNECTOR DISPLAY operates the MAIN PWB CONNECTOR iS poor abnormally CONNECTOR TRANS FUSE is open Replace TRANS COOLING is poor NO COOLING 1 If the COMPRESSOR USE TEST MODE1 COMPRESSOR locked or Replace COMPRESSOR operate forced COOLING blocked If less than 7 minutes pass OLP PTC is poor Replace OLP PTC after compressor shu
7. 23 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 EXPRESS DIGITAL CONTROL FLTERSTATUS en C O uti Em F E53 ROOM TEMPERAUTRE ER EP FLTERRESET LOCK ON FRZ TEMP REF TEMP HOLD 3SECS DISPENSER BUTTON Error Code D Error Code ERROR CODE on display panel NO ITEM ERROR CODE CONTENTS REMARKS 1 Failure of freezer FS Cut hort circuit wi Pla r ut or short circuit wire 2 sensor Er Cut or short circuit wire Inspect Connecting wires Failure of defrost TREE on each sensor 3 sensor Er dS Cut or short circuit wire Failure of Room 4 Temperature When Display check mode Cut or short circuit wire sensor Snapping of defrost heater Fail f def When defrost sensor or Temperature fuse pull 5 allure of defrost Er dH doesn t reach 46 F within 2 out of connector indicated mode hours after starting defrost minimum 2 hours after failure occurs Failure of BLDC If th f Poor motor hooking to Fan Motor at IS H9 n motor wires of fan contact of 6 Freezing Signe tor
8. 9 EXPLODED VIEW amp REPLACEMENT PARTS LIST CAUTION Use the part number to order part not the position number CASE PARTS FREEZER PARTS CAUTION Use the part number to order part not the position number 45 REFRIGERATOR PARTS CAUTION Use the part number to on some models DOOR PARTS CAUTION Use the part number to order part not the position number 212G 243A on some models 47 DISPENSER PARTS CAUTION Use the part number to order part not the position number 48 ICE MAKER PARTS CAUTION Use the part number to order part not the position number 49 ICE amp WATER PARTS CAUTION Use the part number to order part not the position number NNN 50 PART NUMBER BY MODEL LOC ITEM DESCRIPTION LRFD22850TT LRFD22850SW LRFD22850ST 103A HANDLE BACK 3650JJ2003D 3650 J2003E 3650JJ2003L 1038 HANDLE BACK 3650JJ2003H 3650JJ2003A 3650JJ2003M 103C COVER ASSEMBLY LOWER 3551JJ1015H 3551JJ1015B 3551JJ1015F RAIL SLIDE 5218JJ3001A 5218JJ3001A 5218JJ3001A 104E HOLDER ASSEMBLY GASKET 4931JJ3002A 4931JJ3002A 4931JJ3002A 105A DRAIN ASSEMBLY PIPE Z 5251 5251 5251 105F SKIRT LOWER 5070JJ3002A 5070JJ3002A 5070JJ3002A 106A LEG ASSEMBLY ADJUST 4779 JA20
9. Disconnect door switch wire 2 Attach the tube on the door with door Pull out the tube 4 e Disconnect wire harness 5 Loosen screws 6 and lift off the top hinge 7 Place the door on a non scratching surface with the inside up gt Right Door Loosen the cover screw 1 Disconnect door switch wire 2 e Disconnect wire harness 4 Remove the ground screw 8 Loosen screws 6 and lift off the top hinge 7 Place the door on a non scratching surface with the inside up Figure 1 Door Gasket Removal 1 Remove door frame cover Starting at top of cover and working down snap cover out and away from door Frame Cover Figure 2 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 snaps out 3 Continue prying back along seam until all clips snap out Door Bracket Clip Figure 3 Flat Tip Screwdriver Bracket 3 Remove gasket Pull gasket free from gasket channel on the three remaining sides of door Figure 4 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 both spring ends are in the door channel
10. a u i elt C cut ROOM TEMPERAUTRE C ben mise FLTERRESET LOCK FRZTEMP REFTEMP 909 ogeensene BUTTON Control range 6 8 F 32 F 47 F Control range 21 C 13 C 0 C 890 8 1 2 How to Toggle the Display between F amp C 1 The display temperature mode can be changed from F to C or C to F by pressing and holding the FRZ TEMP and the REF TEMP keys at the same time for over one second 2 The initial setting is F Whenever the mode is changed the LED lights are changed 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 LOCK button for 3 seconds The locked padlock icon is displayed with the word LOCK printed beside it 3 The 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 Ex In selecting Ex In selecting 4 To release from the locked state press and hold the LOCK LOCK LOCK again button again for 3 seconds LOCK CONTROL DISPENSER amp BUTTON DISPENSER amp BUTTON 8 1 4 Filter condition display function 1 There is a replacement indicator light for the water filter cartridge on the dispenser 2 Water fil
11. 1 Remove the Cover Back M C 2 Disconnect two housing upper side of comp connected in 3 Loosen two screws on comp base 9 of 4 Use a L shaped flap tool to pry off the cover 5 Assembly in reverse order of disassembly 5 CIRCUIT DIAGRAM L6 Electroni PWB PCB ASSEMBLY DISPLAY BK BO BL SB 41312 r o 5 F FAN C FAN 8 a o 8 a a WH GY PR BK BK BOJBL SB GY GY YL RD BN BN 1 2 1314 5 16 21314 2 3141516 7 CON4 CONG CON7 cons l2 BL F SENSOR l BL R SENSOR 9 WH 80 3lm DEF SENSOR ASSEMBLY MAIN a poon 5 4 RD 3 Y STEPPING 2 BK MOTOR I POWER ED 9 8 7 6 5 4 3 2 7 6 5 4 3
12. 62 1 Gc Ge R13 P14 33 314 lI 330 1 2W eth 9 Pos 32 al 113 R14 P13 TT ki 3301 24 Ano 55 2 7 5 m 5 lig 481 T s 29 pay 5301 24 ax BB 5 Slow pot 30 el 111 RNG d 3301 24 5 L131 L140 L147 1166 07 5 9 39 49 Sg KID65003AF R117 3301 2 s LAJ 6b 1 usd 1149 Fam FY R18 l he Li lo ser ore ao TN uy Lr 54 10 502 11 do R119 25 31114 ren 3301 24 tot 1150451 115215 5 1 ooi 11 tt R120 P65 24 4 13 2701 24 50 DIO7 pf D108 0109 g 0110 0111 1 res 22 a 1 416 smo sea smo smo mos LI 28 RRI We 109 102 41 8 6 PWB DIAGRAM 8 6 1 PWB Main Assembly ICE MAKER 801 D3SBA60 CM2
13. 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 has been operating 16 7 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 7 1 OPERATION PRINCIPLE 7 1 1 Operation Principle of IceMaker Power On Start Position Ice Making Adjusts EJECTOR to Start Position with power on Waits until water becomes cold after starting the Mode ice making operation Harvest Mode Park Position Test Mode To operate LINE and SERVICE press and hold the Fill Key for 3 seconds The ice maker will run through 3 stages Harvest Fill gt Icemaking Runs MOTOR to drop ice from the tray into the ICE BIN Performs Ice Making Mode after supplying water by operating the SOLENOID in ICE VALVE With the detect lever checks if the ICE BIN is full o ww ww v wv 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 Power On Off Switch x47 7 2 ICE MAKER FUNCTIONS 7 2 1 Start Position 1 After POWER OFF or Power Outage check the EJECTOR s position with MICOM initialization to restart 2 How to check if it is in place Check HIGH LOW signals from HALL SENSOR in MICOM PIN 3 Control Method to check if
14. ADIRE C LEVA DN A sawas ua RR Ra dn 11 16 COMPRESSOR AND ELECTRIC 11 PTCAND OLP aus ER 12 OTHER ELECTRICAL COMPONENTS dii ees tut tn ea 13 SERVICE DIAGNOSIS CHART uuu a keg ae atat ete i tante 14 REFRIGERATION GY CLE pipa Be tees eee ke 15 16 OPERATION PRINCIPLE 4 REPAIR METHOD OF 17 20 DESCRIPTION OF FUNCTION amp CIRCUIT OF rvnnnnnnvnnnvnnvnnnvnnvnnnennnnnnennnnnnennnennennnnnnennnennnnnnennnnnnennnnnnennnennennnen 21 43 EXPLODED VIEW amp REPLACEMENT PARTS LIST nrrnnnnnvnnnnnnvnnnnnnvnnnennvnnnennnnnnennnnnnennnennennnennennnennnnnnennnnnnnnnnnnnennnennennnen 44 54 SAFETY PRECAUTIONS Please read the following instructions before servicing your refrigerator 1 Check the refrigerator for current leakage 7 Before tilting the refrigerator remove all materials from 2 To prevent electric shock unplug before servicing on or in the refrigerator 3 Always check line voltage and amperage 8 When servicing the evaporator wear gloves to prevent 4 Use standard electrical components injuri s from the sharp evaporator fins 5 Don t touch metal products in the freezer with wet 9 Service on the refrigerator should be performed by a qualified technician Sealed system repair must be hands This may cause Irostbite performed by a CFC certified technician 6 Prevent water f
15. G5N 1A OMRON 250VAG 1 5A 12706 JAPAN OMRON RYSRYS 21 6920 82003 RELAY GSNB TA E CHINA OMRON 250VAC 12VDC NO VENTING OMRON RY24 22 6920820098 RELAY 6558 14 OMRON 250VAC 5A T2VDC NO VENTING OMRON 5 B 24 6212J88001B RESONATOR CERAMIC CSTS0400MG03 MURATA 4MHZ TP MURATA 0501 25 6102 880018 VARISTOR INR14D621 ILJIN ULIVDE BK 6207 LJN 26 6102W5V007A VARISTOR INR14D331K IL JIN ULICSAIVDE BK TJN VAT 27 008360000 DIODE RECTIFIERS D3SBAG0 BK SHINDENGEN 600V 4A 80A 10UA SHINDENGEN BD1 28 0DD400409AC DIODE RECTIFIERS RECTIN4004 DELTA 07 29 ODR1070094A DIODE RECTIFIERS FR107 TP RECTRON 0041 1000V 30 500 5 5A DELTA D1 D2 D5 D6 D8 D9 30 ODRSA00070A DIODE RECTIFIERS RL2 SANKEN BK NON 400V 2A 40A SONSEC 10UA SANKEN 03 04 31 OCE105BK638 CAPACITOR FIXED ELECTROLYTIC KME RG YX 50V 0 2 FM5 TP 5 SAM WHA 32 OCE106EK638 CAPACITOR FIXED ELECTROLYTIC 10UF KMG 50V 20 5 TP 5 SAM WHA CE6 CE9 33 0CE227BF638 CAPACITOR FIXED ELECTROLYTIC 220UF KME TYPE 16V 20 5 TP 5 AM WHA CE5 34 0CE227BH638 CAPACITOR FIXED ELECTROLYTIC 220UF KME RG 25V 20 5 TP 5 SAM WHA CE11 CE12 35 E gt 36 0CE476BK638 CAPACITOR FIXED ELECTROLYTIC 47UF KME TYPE 50V 20 TP 5 SAM WHA CE2 37 OCEA76ZV6E0 CAPACITOR FIXED ELECTROLYTIC 47UF HE 450V 20 BULK SNAP IN SAM WHA CE1 38 OCEGB7YHGEO CAPACITOR FIXED ELECTROLYTIC 680UF RX 25V 20 BULK SNAP IN SAM WHA CE
16. HOLDER BUTTON BUTTON LEVER LEVER SHUTTER COVER DISPENSER DECO DISPENSER PWB PCB ASSEMBLY DISPLAY DECO DRAIN BUTTON DECO 3581 8057 5433JJ0063G 5433JJ0062L 4987JJ2003E 4987JJ2003G 3551JJ2034B 3551JJ2034A 3550JL2006A 5074JJ1019A 5005JJ2022A 4620JJ3006D 4620JJ3006D 4620JJ2009A 4620JJ2009A 4930JJ2018B 4930JJ2017B 3650JA1221C 4620JJ3007B 4930JJ2019B 4930JJ2020B 5219JJ1002D 4980JJ2005A 4930JA3093A 4930JA3093A 4930JA3093B 4004JA3002A 4004JA3002A 4001JA3005A 4775JJ2017R 4775JJ2018B 4775JJ2018A 4930JJ3016A 5020JJ3001C 4510JJ2002A 3550JL1009G 3806JJ2045B 6871JB1281C 3806JJ2046B 5020JJ3005A 52 3581JJ8057H 5433JJ0063C 5433JJ0062A 4987 JJ2003E 4987 JJ2003G 3551JJ2034B 3551JJ2034A 3550JL2006A 5074JJ1019A 5005JJ2022A 4620JJ3006A 4620JJ3006A 4620JJ2009A 4620JJ2009A 4930JJ2018A 4930JJ2017A 3651JA2269D 4620JJ3007B 4930JJ2019A 4930JJ2020A 5219JJ1002D 4980JJ2005A 4930JA3093A 4930JA3093A 4930JA3093B 4004JA3002A 4004JA3002A 4001JA3005A 4775JJ2017D 4775JJ2018B 4775JJ2018A 4930JJ3016A 5020JJ3001A 4510JJ2002A 3550JL1009F 3806JJ2045A 6871JB1281C 3806JJ2046A 5020JJ3005A 3581JJ8057A 5433JJ0063E 5433JJ0062C 4987 JJ2003F 4987 JJ2003H 3551JJ2034B 3551 JJ2034A 3550JL2006A 5074JJ1019A 5005JJ2022A 4620JJ3006C 4620JJ3006C 4620JJ2009A 4620JJ2009A 4930JJ2018B 4930JJ2017B 3650JA2158A 4620JJ3007B 4930JJ2019B 4930JJ2020B 5219JJ1002D 4980JJ2005A 4930JA3093A 4930JA3093A 4930JA3093B 4004JA300
17. R36 54 08039016609 RESISTOR FIXED CARBON FILM 3 9K OHM 1 4 W 5 52 SMART RA RAT 55 08047016609 RESISTOR FIXED CARBON FILM 4 7K OHM 114 W 5 52 SMART RIB RISRAD 55 ORD5603H609 RESISTOR FIXED CARBON FILM 560K OHM 1 2 W 5 52 SMART R2 57 08020010609 RESISTOR FIXED CARBON FILM 2K OHM 1 4 W 5 52 SMART R45 58 08047015609 RESISTOR FIXED CARBON FILM 4 7K OHM 1 4 W 5 52 SMART 45 59 08127011622 RESISTOR METAL GLAZED CHIP 2 7K OHM 1 8 W 5 2012 ROHM ORH1002L622 RESISTOR METAL GLAZED CHIP 10KOHM 118 W 5 2012 ROHM R15 R28 R30 R42 RB 61 ORH1004L622 RESISTOR METAL GLAZED CHIP 1 178 W 5 2012 RITP ROHM R13 62 ORH1001L622 RESISTOR METAL GLAZED CHIP TK OHM 178 W 2012 5 00 D ROHM R7 0RH2001L622 RESISTOR METAL GLAZED CHIP 2K OHM 178 W 5 2012 ROHM R23 R25 R38 R39 64 ORH3300L622 RESISTOR METAL GLAZED CHIP 330 OHM 118 W 5 2012 ROHM R31R43 6 ORH4701L622 RESISTOR METAL GLAZED CHIP OHM 1 8 W 5 2012 ROHM R14 R16 R37 66 ORD1000E672 RESISTOR METAL GLAZED CHIP 100 OHM 1 8 W 5 2012 RTP ROHM R5 ORD1501H609 RESISTOR FIXED CARBON FILM 15K OHM 1 2 W 5 52 SMART R32R44 0RJ0000E672 RESISTOR METAL GLAZED CHIP 0 OHM 118 W5 2012 RTP ROHM 69 ORJ2401E472 RESISTOR METAL GLAZED CHIP 24K OHM 1 8 W 1 2012 ROHM RL2 0RJ6800E672 RESISTOR METAL GLAZED CHIP 680 OHM 1 8 W 5 2012 RITP ROHM 71 0RD6801G609 RESI
18. freezer Check the refrigeration system Check the Thermistor Check if frost forms in Not x defrosting VI of the defrosting circuit The system Perform sealed gt is faulty system repair The operation of Replace the c gt the Thermistor is _ gt Thermistor incorrect 14 Check Components 6 5 REFRIGERATION CYCLE V Troubleshooting Chart BANE STATE OF STATE OF THE TEMPERATURE REMARKS THE UNIT EVAPORATOR OF THE COMPRESSOR PARTIAL Freezer Low flowing sound of A little higher Refrigerant level is low due LEAKAGE compartment and 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 ba refrigerant and repairing the leak gt 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 o Refrigerator don t in inlet only tempera
19. or doesn t run o gt incorrect resistance readings in the following components a Starting devices _ Short open or broken Poor contact gt or shorted b OLP c Compressor coil gt Coil open or shorted d Wiring harness Poor contact or shorted V Poor cooling performance 825 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 gt 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 212 Replace indicated component Replace indicated component Replace Open indicated component Replace Defrost Heater 6 4 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 fu
20. 03A 4779 JA2003A 4779 JA2003A 113 SPRING W 4970JJ3004A 4970JJ3004A 4970JJ3004A 120B DUCT ASSEMBLY MULTI 5209JJ1002A 5209JJ1002A 5209 JJ1002A 128A GUIDE ASSEMBLY RAIL 4975JJ2002A 4975JJ2002A 4975JJ2002A 128A GUIDE ASSEMBLY RAIL 4975JJ2002A 4975 2002 4975JJ2002A 1288 GUIDE ASSEMBLY RAIL 4975JJ2002B 4975 J2002B 4975JJ2002B 128C GUIDE ASSEMBLY RAIL 4975JJ2003C 4975JJ2003C 4975JJ2003C 128D GUIDE RAIL 4974JJ2035A 4974JJ2035A 4974JJ2035A 128E HOLDER RAIL 4930JJ1011C 4930JJ1011C 4930JJ1011C 128F HOLDER RAIL 4930JJ1011D 4930JJ1011D 4930JJ1011D 128G LINK 4520JJ2001A 4520JJ2001A 4520JJ2001A 128M GUIDE AIR 4974JJ2011A 4974JJ2011A 4974JJ2011A 131A BANK ICE 5074JL1001B 5074JL1001B 5074JL1001B 131C COVER BANK ICE 3550JJ2045A 3550JJ2045A 3550JJ2045A 135C COVER GRILLE FAN 3550JJ2030A 3550JJ2030A 3550JJ2030A 136A TRAY DRAWER 3390JJ1062A 3390JJ1062A 3390JJ1062A 136B TRAY DRAWER 3390JJ1059A 3390JJ1059A 3390JJ1059A 136 TRAY ASSEMBLY DRAWER 3391JJ1012C 3391JJ1012C 3391JJ1012C 136D DECO TRAY 3806JL1020B 3806JL1020B 3806JL1020B 136E DECO TRAY 3806JL1024B 3806JL1024B 3806JL1024B 136G TRAY DRAWER 3390JJ1036A 3390JJ1036A 3390JJ1036A 140A SHELF ASSEMBLY R 5027JJ1014D 5027JJ1014D 5027JJ1014D 140B SHELF ASSEMBLY R 5027JJ1005A 5027JJ1005A 5027JJ1005A 140F SHELF ASSEMBLY NET 5027JJ2005F 5027JJ2005F 5027JJ2005F 141A SHELF ASSEMBLY R 5027JJ1014B 5027JJ1014B 5027JJ1014B 141B SHELF ASSEMBLY R 5027JJ1005A 5027JJ1005A 5027JJ1005A 141C SHELF ASSEMBLY NET 5027JJ2005C 5027JJ200
21. 0MCD LEDTECH 133 149 175 amp LED LEDTECH HT S9IUYG GREEN YELLOW 40MCD LEDTECH 110910 62 _ 004 LED LEDTECH 5910 GREEN YELLOW 40MCD LEDTECH Lill 2 63 64 6908 B8003A BUZZER PIEZO CERAMIC BM 20B BUJEON PIEZO 4KHZ 8508 BUJEON BUZZER amp 5 6600RRTOOSA SWITCH TACT 5 KYUNG IN HK I2VDC SOMA SMD KYUNG IN SWIOI 105 66 6600RRT002J SWITCH TACT JTP 1138 JEIL 12V0C SOMA SMD 67 4911001 SOLDER SOLDERING SOLDER ROSIN RSO HUISUNG 68 4911004 SOLDER SOLDERING HUISUNG 69 59333105 FLUX 56 0 825 0 830 KOREA F H 206 KOKI 40 8 5 4 Circuit Diagram of Display conio1 i ae P71 INT4 3 P61 ANT P72 2 transfer P6O AINO receive pe IC105 Bho 1 54563 P73 2 gt 19 AX P74 44 0102 14 RESET Put T Bios P75 43 Lt P 276 51 116 Dios P77 41 LN Dios 17 36 7 gt 14 5 D106 DE IC101 EJ 4n C106 m Lu us 9 Go Go KID65003AF 5750400 4 00 216 35 10g 16 RIM 3301 24 ue m um 06 R112 pis 34 15 330 1 2W
22. 1004A 6615JB2005C 6600JB3007A 6600JB3007A 6600JB3001B 4681JK1004A 4811JJ2002A 5040JJ2001A 5040JA2009B 5040JA2004B 4811JJ2002H 6600JB1004A 4510JJ3001A 6912JK2002C 3034JJ1002B 6621JK2002D 4811JJ2004B OCZZJB2012G 6411JK1006H 5300JB1100J 5006JA3034A 4J04328A 4J04328A 5901JJ1005A 5901JJ1004B 3531JJ1004A 6615JB2005C 6600JB3007E 6600JB3007E 6600JB3001B 4681JK1004A 4811JJ2002A 5040JJ2001A 5040JA2009B 5040JA2004B 4811JJ2002H 6600JB1004A 4510JJ3001A 6912JK2002C 3034JJ1002B 6621JK2002D 4811JJ2004B OCZZJB2012G 6411JK1006H 5300JB1100J PART NUMBER BY MODEL LOC ITEM DESCRIPTION LRFD22850IT LRFD22850SW LRFD22850ST 420A MOTOR ASSEMBLY REF FAN 4681JK1004C 4681JK1004C 4681JK1004C 501A PWB PCB ASSEMBLY MAIN 6871JB1375A 6871JB1375A 6871JB1375A 501F COVER PWB 3550JJ1042B 3550JJ1042B 3550JJ1042B 503D CASE LAMP 3110JJ1014A 3110JJ1014A 3110JJ1014A 600A ICE MAKER ASSEMBLY KIT 5989 JA0002A 5989 2 5989 JAO002A 602A HOLDER BRACKET 4930JA3037A 4930JA3037A 4930JA3037A 610A COVER SENSOR 3550JJ2020A 3550JJ2020A 3550JJ2020A 611A FILTER ASSEMBLY WATER 5231JA2006A 5231JA2006A 5231JA2006A 6118 FILTER MECH HEAD 5230JA2003A 5230JA2003A 5230JA2003A 611C COVER FILTER 3550JL1008B 3550JL1008B 3550JL1008B 611D COVER FILTER 3550JJ2028A 3550JJ2028A 3550JJ2028A 615A TANK ASSEMBLY WATER 4839 JJ2003A 4839 JJ2003A 4839 JJ2003A 616A TUBE INJECT 5210JJ3008B 5210JJ3008B 5210JJ3008B 6168 TUBE PE 5210JA3005U 5210JA3005U 5210JA3005U 616D TUB
23. 2 5 4 3 2 YL MH PR PK RD BN 18 lx CONI BL BN YL BL WH PR PK RD BN BL BN N zu GN a 2 LE we CAPACITOR PART na H va l 5 1 PK I mg M 58 gag JET m 000 5 50500 27 a OE SWE 8 H9 bet 165 ESL EE L lt XO apt 1 BEE OE dus E I T e I BL LTI EN B BL BL B BL B le nesen COMP EARTH gt as 77 PART PLUG ICE MAKER PART CAPACITOR PART PWB PCB ASSEMBLY ICE MAKER WATER VALVE 2 PART AND COMP EARTH PART ON CIRCUIT DIAGRAM ARE SUB ECT TO CHANGE IN XE MAKER DIFFERENT LOCALITIES AND MODEL 3854 JK 1007A BK BLACK BN BROWN RD RED BO BRIGHT ORANGE YL YELLOW GN GREEN BL BLUE WHE WHITE PKEPINK GY GREY PR PUFPLE SB SKY BLUE 10 6 TROUBLESHOOTING 6 1 COMPRESSOR AND ELECTRIC COMPONENTS gt Power Source Remove PTC Starter Rated Voltage YES from Compressor and 10 measure voltage between Terminal C of Compressor and Terminal 5 or 6 of PTC YES No Voltage OLP disconnected Replace OLP NO Check connection condition Reconnect Applied voltage isn t in acceptable range 115V 10 Advise customer that power supply needs to be checked by an electrician
24. 2A 4004JA3002A 4001JA3005A 4775JJ2017H 4775JJ2018B 4775JJ2018A 4930JJ3016A 5020JJ3001C 4510JJ2002A 3550JL1009G 3806JJ2045B 6871JB1281C 3806JJ2046B 5020JJ3005A PART NUMBER BY MODEL LOC ITEM DESCRIPTION LRFD22850IT LRFD22850SW LRFD22850ST 280F BUTTON DECO 5020JJ3004A 5020JJ3004A 5020JJ3004A 281A COVER ASSEMBLY HINGE 3551 10165 3551JJ1016M 3551JJ1016Q 281C HINGE ASSEMBLY L 4775JJ2011A 4775JJ2011A 4775JJ2011A 281D COVER HINGE 3550JJ2043A 3550JJ2043A 3550JJ2043A 281G COVER HINGE 3550JJ2044A 3550JJ2044A 3550JJ2044A 282B HINGE ASSEMBLY C 47753J2017P 4775JJ2017B 4775JJ2017F 282E COVER ASSEMBLY HINGE 3551JJ1016X 3551JJ1016T 3551JJ1016V 282F DECO DUCT 3806JL2006E 3806JL2006E 3806JL2006E 284D SCREW DRAWING 1STZJA3004K 1STZJA3004K 1STZJA3004K 285A GUIDE ASSEMBLY RAIL 4975JJ2008B 4975JJ2008B 4975JJ2008B 301A EVAPORATOR ASSEMBLY 5421JJ1001B 5421JJ1001B 5421JJ1001B 304A COVER ASSEMBLY BACK M C 3551JJ2008B 3551JJ2008B 3551JJ2008B 305B ROLLER 4580JJ3001A 4580JJ3001A 4580JJ3001A 305B ROLLER 4580JJ3001A 4580JJ3001A 4580JJ3001A 305C PIN DRAWING 4J04238A 4J04238A 4J04238A 305C PIN DRAWING 4J04238A 4J04238A 4J04238A 307A COMPRESSOR SET ASSEMBLY 2521C A5729 2521C A5729 2521C A5729 308A P T C ASSEMBLY 6748C 0004D 6748C 0004D 6748C 0004D 309A O L P 6750C 0005P 6750C 0005P 6750C 0005P 310A COVER P T C 3550JA2042A 3550JA2042A 3550JA2042A 312A RUBBER SEAT 5040JA3031A 5040JA3031A 5040JA3031A 313A RUBBER SEAT 5040JJ3007A 5040JJ3007A 5040JJ3007A 31
25. 3 39 OCEGB7YJ618 CAPACITOR FIXED ELECTROLYTIC 680UF RX 35V 20 TP 5 FL SAM WHA CE4 40 OCK102DK96A CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 1NF 2012 50V 80 20 RITP X7R MURATA CC17 0C20 41 OCK1040K949 CAPACITOR FIXED CERAMIC High dielectric 0 1UF D 50V 80 20 F Y5V TA52 SAM WHA CC3 CC4 CC6 CC7 42 OCK104DK9BA CAPACITOR FIXED CERAMIC High dielectric 0 10 2012 50V 80 20 RITP JE MURATA CC5 CC10 43 0CK22102510 CAPACITOR FIXED CERAMIC High dielectric 220P 2KV K B S SAMWHA CC2 44 OCK2230K949 CAPACITOR FIXED CERAMIC High dielectric 22NF 50V Z F TA52 SAMWHA 45 0CK223DK96A CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 22NF 2012 50V 80 20 MURATA CC8 CC9 CCT1 15 CC18 46 0CK4710K519 CAPACITOR FIXED CERAMIC High dielectric ATOPF 50V K B TA52 AM WHA 47 0CQ1041N509 CAPACITOR FIXED FILM 0 1UF D 100V 10 PE TP5 AM WHA CM4 OCK102DK96A CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 1NF 2012 50V 80 220 RITP MURATA C20 004732 430 CAPACITOR FIXED FILM 47000PF S 630V 5 NIR SAM WHA CM3 49 0CQ47418670 CAPACITOR FIXED FILM 0 47UF D 275V 20 NI R SAM WHA CM OLRI001M4FO INDUCTOR RADIAL LEAD 1000UH 20 R 6X12 5 BULK TNC 1314 51 08010016609 RESISTOR FIXED CARBON FILM TK OHM 114 W 5 52 SMART Rig 52 08010026609 RESISTOR FIXED CARBON FILM TOK OHM 1 4 W 5 52 SMART R29 R35 53 08020010609 RESISTOR FIXED CARBON FILM 2K OHM 1 4 W 5 52 SMART R17 R20 R21 R22 R26 R27
26. 3 Push in clip until you hear it snap securely into place Gasket DET 1 i Bracket Clip Correct Spring Door Frame Incorrect Figure 5 4 Push in remaining two clips until you hear each snap securely into place Note Make sure that no part of gasket bracket edge protrudes 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 M i Correct Incorrect Figure 6 2 Press gasket into channels on the three remaining sides of door Figure 7 3 Replace door frame cover Starting at top of cover and working down snap cover back into door Figure 8 3 2 REMOVE THE DISPENSER 1 Use fiat tip screwdriver to pry back hooks on botton underside of cover dispenser Figure 9 Figure 10 Disconnect wire harness 3 Replace cover dispenser in opposite manner and order of removal 3 3 FAN AND FAN MOTOR 1 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 removing one screw and pulling the grille forward Remove the Fan Motor assembly by loosening 2 screws and disassembling the shroud 2 3 Pull
27. 3009B 4932JA3009B 4932JA3009B 629C TUBE PE 5210JA3004P 5210JA3004P 5210JA3004P 7008 HANDLE ASSEMBLY F 3651JJ2010N 3651JJ2010P 3651JA2268H 700C HANDLE ASSEMBLY R 3651JA2269C 3651JA2269D 3651JA2269G 903A COVER LOWER 3550JJ0006D 3550JJ0006A 3550JJ0006C 9038 HOLDER COVER LOWER 4930JJ2021A 4930JJ2021A 4930JJ2021A 903D SENSOR 6500JK1003A 6500JK1003A 6500JK1003A 903E SENSOR 6500JK1004A 6500JK1004A 6500JK1004A S01 SCREW DRAWING 1SZZJJ3010A 18ZZJJ3010A 1SZZJJ3010A 522 SCREW DRAWING 3J05696C 3J05696C 3J05696C 524 SCREW DRAWING 1577 1B 1522 1527 1B 524 SCREW DRAWING 1577 1B 1522 1527 1B 528 SCREW DRAWING 3J05696W 3J05696W 3J05696W 528 SCREW DRAWING 3J05696W 3J05696W 3J05696W 54 LG Electronics Inc P No 3828JL8077A May 20 2005
28. 4A STOPPER COMP 4620JA3009A 4620JA3009A 4620JA3009A 315A COMP BASE ASSEMBLY STD 3103JJ1001J 3103JJ1001J 3103JJ1001J 317A DRIER ASSEMBLY 5851JJ2002B 5851JJ2002B 5851JJ2002B 318A HOLDER DRIER 4930JJ3002A 4930JJ3002A 4930JJ3002A 319A TRAY DRIP 3390JJ0004A 3390JJ0004A 3390JJ0004A 319C GUIDE FAN 4974 1009 4974 1009 4974JJ1009A 319E BRACKET MOTOR 4810JJ2005A 4810JJ2005A 4810JJ2005A 323B CONDENSER ASSEMBLY WIRE 5403JJ1007A 5403JJ1007A 5403JJ1007A 327A 328B 328B 329A 329C 332A 401A 402A 402A 403A 404A 405A 405B 405C 405F 405G 406B 406C 409B 409D 410A 410B 410G 411A 418A CAP DRAIN PIPE RUBBER DAMPING RUBBER DAMPING FAN ASSEMBLY FAN ASSEMBLY GRILLE ASSEMBLY FAN CONTROLLER ASSEMBLY CIRC SWITCH PUSH SWITCH PUSH SWITCH MICRO MOTOR ASSEMBLY REF FAN BRACKET ASSEMBLY MOTOR RUBBER MOTOR N RUBBER MOTOR F RUBBER MOTOR F BRACKET ASSEMBLY MOTOR SWITCH PUSH LEVER DISPENSER LAMP INCANDESCENT REFLECTOR LAMP SOCKET ASSEMBLY LAMP BRACKET ASSEMBLY DOOR CAPACITOR DRAWING POWER CORD ASSEMBLY HEATER SHEATH 5006JA3034A 4J04328A 4J04328A 5901JJ1005A 5901JJ1004B 3531JJ1004A 6615JB2005C 6600JB3007B 6600JB3007B 6600JB3001B 4681JK1004A 4811JJ2002A 5040JJ2001A 5040JA2009B 5040JA2004B 4811JJ2002H 6600JB1004A 4510JJ3001A 6912JK2002C 3034JJ1002B 6621JK2002D 4811JJ2004B OCZZJB2012G 6411JK1006H 5300JB1100J 53 5006JA3034A 4J04328A 4J04328A 5901JJ1005A 5901JJ1004B 3531JJ
29. 5C 5027JJ2005C 141D SHELF ASSEMBLY R 5027JJ2011B 5027JJ2011B 5027JJ2011B 141E SHELF ASSEMBLY NET 5027JJ2005D 5027JJ2005D 5027JJ2005D 142A SHELF ASSEMBLY R 5027JJ1013U 5027JJ1013U 5027JJ1013U 142B SHELF ASSEMBLY R 5027JJ1006A 5027JJ1006A 5027JJ1006A 142D SHELF NET 5026JJ2001L 5026JJ2001L 5026JJ2001L 142E SHELF NET 5026JJ2001M 5026JJ2001M 5026JJ2001M 145A HOLDER SHELF 4930JJ2003A 4930JJ2003A 4930JJ2003A 1458 HOLDER SHELF 4930JJ2004A 4930JJ2004A 4930JJ2004A 145C GUIDE ASSEMBLY RAIL 4975JJ1001C 4975JJ1001C 4975JJ1001C 146A CAN SERVER 5044JJ1001A 5044JJ1001A 5044JJ1001A 146B CONNECTOR ASSEMBLY MECH 5098JJ2002H 5098JJ2002H 5098JJ2002H 146C CONNECTOR ASSEMBLY MECH 5098JJ2002G 5098JJ2002G 5098JJ2002G 147 BANK DAIRY 5074JJ1005A 5074JJ1005A 5074JJ1005A 147B TRAY EGG 3390JJ1014A 3390JJ1014A 3390JJ1014A 147C COVER BANK 3550JJ1017A 3550JJ1017A 3550JJ1017A 147D TRAY BUTTER 3390JJ2003A 3390JJ2003A 3390JJ2003A 149C SHELF ASSEMBLY R 5027JJ2010B 5027JJ2010B 5027JJ2010B 149E SHELF ASSEMBLY R 5027JJ2009B 5027JJ2009B 5027JJ2009B 151A TRAY ASSEMBLY VEGETABLE 3391JJ1019E 3391JJ1019E 3391JJ1019E 151C KNOB SHUTTER 4940JJ2003B 4940JJ2003B 4940JJ2003B 154A COVER T V 3550JJ1033A 3550JJ1033A 3550JJ1033A 51 PART NUMBER BY MODEL LOC ITEM DESCRIPTION LRFD22850TT LRFD22850SW LRFD22850ST 155B SUPPORTER ASSEMBLY COVER T V 4981 JJ2001A 4981 JJ2001A 4981 JJ2001A 158A COVER LAMP 3550JJ1070A 3550JJ1070A 3550JJ1070A 158E COVER LAMP 3550JJ1051A 3550JJ1051A 3550J
30. E PE 5210JA3004M 5210JA3004M 5210JA3004M 616E TUBE PE 5210JA3005N 5210JA3005N 5210JA3005N 616F TUBE PE 5210JA3004B 5210JA3004B 5210JA3004B 616G TUBE PE 5210JA3005P 5210JA3005P 5210JA3005P 618A TUBE INJECT 5210JJ3005B 5210JJ3005B 5210JJ3005B 619A VALVE WATER 5220JA2013A 5220JA2013A 5220JA2013A 619B COVER VALVE 3550JJ2024A 3550JJ2024A 3550JJ2024A 619C VALVE ASSEMBLY WATER 5221JA2011A 5221JA2011A 5221JA2011A 622A TUBE INLET 5210JJ3002A 5210JJ3002A 5210JJ3002A 623A CAP COVER 5006JJ2004A 5006JJ2004A 5006JJ2004A 623B CAP COVER 5006JJ2003A 5006JJ2003A 5006JJ2003A 623C BAND MECH 4770JA3001A 4770JA3001A 4770JA3001A 623C BAND MECH 4770JA3001A 4770JA3001A 4770JA3001A 623D CONNECTOR MECH TUBE 4932JA3002B 4932JA3002B 4932JA3002B 625A COVER TUBE 3550JJ2034A 3550JJ2034A 3550JJ2034A 627A HOLDER PIPE 4930JA3054A 4930JA3054A 4930JA3054A 627B HOLDER BRACKET 4930JA3091A 4930JA3091A 4930JA3091A 627B HOLDER BRACKET 4930JA3091A 4930JA3091A 4930JA3091A 627B HOLDER BRACKET 4930JA3091A 4930JA3091A 4930JA3091A 627B HOLDER BRACKET 4930JA3091A 4930JA3091A 4930JA3091A 628B VALVE ASSEMBLY WATER 5221JJ2002B 5221JJ2002B 5221JJ2002B 628C VALVE WATER 5220JB2001A 5220JB2001A 5220JB2001A 628D COVER VALVE 3550JJ2058A 3550JJ2058A 3550JJ2058A 628E COVER VALVE 3550JJ2059A 3550JJ2059A 3550JJ2059A 628F TUBE PE 5210JA3005T 5210JA3005T 5210JA3005T 628G HOLDER PIPE 4930JA3087A 4930JA3087A 4930JA3087A 629A TANK WATER 4838JJ1003A 4838JJ1003A 4838JJ1003A 629B CONNECTOR MECH TUBE 4932JA
31. J1051A 160A GLASS SHELF 4890JL1002K 4890JL1002K 4890JL1002K 1608 DECO TRAY 3806JL2005D 3806JL2005D 3806JL2005D 161A COVER TRAY 3550JJ2026A 3550JJ2026A 3550JJ2026A 168A COVER MAGIC ROOM 3550JJ1035A 3550JJ1035A 3550JJ1035A 170A TRAY ASSEMBLY MEAT 3391JJ2004K 3391JJ2004K 3391JJ2004K 200A DOOR ASSEMBLY F 3581JJ8058M 3581JJ8058L 3581JJ8058J 201A DOOR FOAM ASSEMBLY F 5433JJ0022X 5433JJ0022V 5433JJ0022R 203A GASKET ASSEMBLY DOOR 4987 JJ1004A 4987 JJ1004A 4987JJ1004E 210A STOPPER DOOR 4620JJ2005A 4620JJ2005A 4620JJ2005A 210B STOPPER DOOR 4620JJ2008A 4620JJ2008A 4620JJ2008A 212A HANDLE F 3650JJ1041A 3650JJ1041B 3650JJ1040A 212G MARK 3846JD1007B 3846JD1007B 3846JD1007B 230A DOOR ASSEMBLY R R 3581 JJ8056G 3581 JJ8056F 35814480560 230B 231A 231 233A 233B 233C 233D 241A 241B 241C 243A 243A 243B 243 2448 244 244 244G 245A 245B 248A 248F 262A 262A 262B 262D 262D 262E 262H 271A 271C 276A 276B 278C 2798 279 2790 279 2800 DOOR ASSEMBLY R L DOOR FOAM ASSEMBLY R DOOR FOAM ASSEMBLY R GASKET ASSEMBLY DOOR GASKET ASSEMBLY DOOR COVER ASSEMBLY FRONT COVER ASSEMBLY FRONT COVER TRAY BANK DAIRY BASKET ASSEMBLY DOOR STOPPER DOOR STOPPER DOOR STOPPER DOOR STOPPER DOOR HOLDER HANDLE HOLDER HANDLE HANDLE R STOPPER HANDLE HOLDER HANDLE HOLDER HANDLE RAIL ASSEMBLY SLIDE SUPPORTER HOLDER HOLDER BRACKET HOLDER BRACKET HOLDER BRACKET CLIP CLIP SCREW ASSEMBLY HINGE ASSEMBLY C HINGE ASSEMBLY U HINGE ASSEMBLY U
32. LG REFRIGERATOR CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODELS LRFD22850ST LRFD22850SW LRFD22850TT CONTENTS SAFETY PRECAUTIONS nnnavnnannnnannnnnnennnnnnnnanannennnnnnnnnnnnnnnnennnnanennnnvnnannennnennnsnnennnnnnnnnnannnnnnnnnnennnnnnnnnnnnennnnnenannnnnnnnnnsnnennenanennnnn 2 SPECIFICATIONS 3 PARTS IDENTIFICATION m m 4 DISASSEMBLY e 5 7 DOOR enu eu dd hates eats fe GR eU DURER UE oa hace eu 5 6 TO REMOVE THE DISPENSER isen eu eden seh B OE EH Rad deese gen 6 FANVAND FAN MOTOR senate Ste bike ideo eni Du eic b dae hee 7 DEFROST ie o dioec ome o duo eei blades 7 LAMP tiep dederit ENIM e ipei M Vien pn S s u Tu 7 CONTROL BOX REFRIGERBATOR ein pu eg P Be Dg d deeds 7 MUETEDUGT nouae o en eise miu ne er 7 pXsSIPi ag zi pe 8 9 tts E ce ede ee e b cet Lets o dot Ur dee a ee in ede eder te TE D aa 8 PTC STARTER ERE ge en Eb b e e e ee uet a uc dte Tet 8 OLP OVERLOAD PROTECTOR i223 uicit redit ehe ec E eb i e ne ais a cte edo dde te eed 9 TO REMOVE THE COVER PIG x cU em cabe i ence edo cisco e dto pedcs 9 CIRCUIT DIAGRAM NE irc NS S Na SN NAA di KR RE RR RI SA ER ED RR RE RR RC 10 TROUBLESHOOTING ciiin eani teen dran oe aa
33. PNO DESCRIPTION SPEC MAKER REMARK 1 6870J88203A PWB PCB BEST BRAVO PJT DOO SAN 18 2 6170820128 TRANSFORMER SMPS COIL DL PJT 2 9MH 20W SAM IL TRANS 6170 82012C TRANSFORMER SMPSICOIL TRANS 4 6630 091060 CONNECTOR CIRC WAFER YW396 09AV YEONHO CON 5 6630AQ9106E CONNECTOR CIRC WAFER YW396 07AV YEON HO CON 6 6630AQ91068 CONNECTOR CIRC WAFER YW396 05AV YEONHO CON3 6630J88004E CONNECTOR CIRC WAFER SMW250 YEONHO 6P 2 5MM STRAIGHT SN YEONHO 8 6630J88004L CONNECTOR CIRC AFER SMW250 YEONHO 12P 2 5MM STRAIGHT SN YEON HO CONS 9 6630JB8004C CONNECTOR CIRC WAFER SMW250 YEONHO 4P 2 5MM STRAIGHT SN YEONHO CONG 10 6630JB8004F CONNECTOR CIRC WAFER SMW250 VEONHO 7P 2 5MM STRAIGHT SN YEON HO CON 11 OIZZJB2054V IC DRAWING TMP87C846N 42 SDIP BK MASK BRAVO33 PJT BEST BETTER TOSHIBA 12 OISK635100A IC POWER MANAGEMENT STR G6351 SPIN BK SMPS 2 4PIN FORM SANKEN I2 13 IG POWER MANAGEMENT PS2561L1 1 V NEC 4PDIP TLP721F NEC 163 14 OIKE431000A ICKEC RIAdST 3PINTP KEC 4 15 OIKE780500Z ICLINEAR KIA7805P1 BK 5V REFORM KEC 165 16 01 6500308 ICKEC KID65003AP 16P SDIP BK DRIVE IC KEC 106 17 OIKE704200A 042 BK RESET KEC Ic 18 OITO777400A IC DRAWING 16 SDIP BK DRIVEJC STEPPING MOTOR TOSHIBA IC8 19 6920ALZ001B RELAY ALZ12812 NAIS 250VAC 16 12VDC NO VENTING NAIS 20 6920J82003A RELAY
34. STOR FIXED CARBON FILM 6 8K OHM 1 4 W 5 TA52 SMART R4 72 0RJ9101E472 RESISTOR METAL GLAZED CHIP 9 1K OHM 1 8 W 1 2012 ROHM 0RJ1002E472 RESISTOR FIXED METAL FILM TOK OHM 1 8 W 1 00 2012 ROHM RTI 74 0816225409 RESISTOR FIXED METAL FILM 16 2 OHM 1 4 W 1 00 52 SMART 15 0826125409 RESISTOR FIXED METAL FILM 26 1K OHM 1 4 W 1 00 TA52 SMART RR1RD1 76 0RS0151J609 RESISTOR FIXED METAL OXIDE FILM 1 5 OHM 1 W 5 00 TA52 SMART ROCP 0830101609 RESISTOR FIXED METAL OXIDE FILM TOHM 1 W 5 52 SMART ROCP ORSS602K641 RESISTOR FIXED METAL OXIDE FILM 56K OHM 2 W 5 00 F20 SMART R3 79 0853303609 RESISTOR FIXED METAL OXIDE FILM 330K OHM 1 W 5 00 TA52 SMART Rt 80 OTR319809AA TRANSISTOR KTC3198 TP Y KTC1815 KEC KEC 03 05 81 OTRKEO0008A TRANSISTOR BIPOLARS KTB1151 BK 10126 60V 5A 0204 82 OTRKE80016A TRANSISTOR BIPOLARS KRC106S RTP 50123 50V 100 KEC 01 83 620088004A FILTER CIRCEMC CV940050 TNC TNC m 84 6200JB8007X FILTER CIRC EMC UV11 05320 TNC BK 0 5A 320 TNC 12 85 6210JB8001A FILTER CIRCLEMC BES3510A0 SAMWHA 52 BEAD FILTER SAM WHA FRI 86 6600RRT001Z SWITCH TACT JTP1280A6 JEIL 12VDC 50 JEIL SWI 87 ODZMR00029A DIODE ZENERS 1N5232B MOTORORA TP 0034 0 5W 5 6V 81MA PF DELTA 701 8 J03 J04 J06 J12 J15 10MM 6854B50001A JUMP WIRE 0 6MM 52MM TP TAPING SN DAE A LEAD J13 J14 8MM 89 J01 J02 J05 12 5MM 0FZZJB3001A FUSE DRAWING 2A250V SLOW BLOW LI
35. TECTOR 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 in 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 OLP do not turn the Adjust Screw of the OLP in any way OVERLOAD PROTECTOR cross section Part No Name Base phenolic UL 94 V 0 rated 2 Movable arm support plated steel 3 Stationary contact support plated steel Customer part number Lot code date code 330 FBYY Electrical characteristics part number Physical termination part number Heater support plated steel Heater resistance alloy Disc thermostatic alloy 7 Movable am spring temper copper alloy Contact movable silver on copper 8 Contact stationary silver on copper 49 Slug plated steel Cover polyester UL 94 V 0 rated Pin connector plated copper alloy To engage 2 33 2 66 mm dia pin Figure 19 4 4 REMOVE THE COVER
36. TOR METAL GLAZED 220 OHM 1 8 W 5 2012 R TP ROHM RIO6 41 ORDIOOIE672 RESISTOR METAL GLAZED K OHM 1 8 W 5 2012 R TP ROHM RIO2 107 42 ORD200IE672 RESISTOR METAL GLAZEDI 2K OHM 1 8 W 54 2012 R TP ROHM RIOI 122 43 ORD470IE672 RESISTOR METAL GLAZED 4 7K OM 1 8 W 54 2012 R TP ROHM RIO3 104 108 110 125 44 OFDIO04E672 RESISTOR METAL GLAZED OHM 1 8 W 5 2012 R TP ROHM RIOS 4l I 46 47 ORJ2700H680 RESISTOR METAL GLAZED 270 OHM 2 W 5025 5 00 D ROHM RI20 48 0RJ3300H680 RESISTOR METAL GLAZED 330 OHM 2 W 5025 5 00 D ROHM RIII II9 49 50 O0RJO000E672 RESISTOR METAL GLAZED 0 OHM 1 8 W 5 2012 R TP ROHM 51 ORJO000E672 RESISTOR METAL GLAZED 0 OHM 1 8 W 5 2012 R TP ROHM OP2 52 0RJO000E672 RESISTOR METAL GLAZED 0 OHM 1 8 W 5 2012 R TP ROHM OP3 53 ODZRMO0188A DIODE ZENERS RLZ ROHM R TP LLDS LL 34 SOOMW 5 6V 20 ROHM 200 54 2 DIODE RECTIFIERS RLR4004 ROHM R TP 50123 400V IA 20A IOMA ROHM 01 106 55 _ODSRMO0068A DIODE SWITCHING RLS4148 ROHM R TP LLDS LL 34 75V 450MA 2000 ROHM 0107 11 56 57 ODLLEOOSBAA LED LEDTECH 5910 R TP GREEN YELLOW 40MCD LEDTECH LIEB I73 RTI 58 ODLLEOOSBAA LED LEDTECH 5910 R TP GREEN YELLOW 40MCD LEDTECH LII8 131 134 147 150 153 59 ODLLEO098AA LED LEDTECH HT S9IUYG R TP GREEN YELLOW 40MCD LEDTECH LII7 132 433 148 45 174 177 176 60 ODLLEOOSBAA LED LEDTECH HT S9IUYG R TP GREEN YELLOW 4
37. TTELFUSE TRIAD SAM JU KYO YUK FUSE1 188F0302418 SCREW TAP TITE S BINDING HEAD D3 0 18 0 MSWR3IFZY HAENG SUNG 91 92 4920JB3007A HEAT SINK 23 3 17 25 DRIVE IC STR R S64 65 73 2PIN 1 SCREW 3MM 2 93 49111004 SOLDER SOLDERING HEESUNG METAL BAR SN 63 P 94 59333105 FLUX JS 71 KOKI KOREA KSK SG 0 808 0 003 55 SVWFO120000 SOLDER ROSIN WIRE RSO 01 20 38 8 5 3 PWB Assembly Display And Parts List SW101 QF SW102 F SW103 R SW104 FC SW105 LOCK O 8 e E 39 P NO DESCRIPTION SPEC MAKER REMARK PWB PCB BRAVO PJT BEST MODULE DISPLAY PCB DAE DUCK STH 2 3 REFLECTOR BRAVO PJT BEST NORYL YANG WOO B E 5 4140 8I03l PLATE P H BRAVO PJT BEST YANG WOO 6l z 7 8 9 11 6630J88005C CONNECTOR CIRC WAFER SMAW250 04 YEON HO CONIOI 2j I E 5 0177820415 C DRAWING TMP87CH47U 44 0 44 1010 TRAY BRAVO PJT BEST TOSHIBA CIOI S T 14 OIZZJB2052C C DRA
38. Temperature 8 2 0 5 C Compensation by lowering the ee ioe temperature 3 3 KQ 1 5 2 2 0 C 4700 2 5 ME MICOM Table of Temperature Compensation by adjusting the resistance difference from the current temperature e g If the refrigerator compensation resistance RCR is changed from 10K the current resistance to 18K the adjustment resistance the temperature of the refrigerator rises 33 8 F 1 C 2 The temperature compensation for refrigerator compartment is in the following table Revised resist a 4700 2kQ 5 6 8 2kQ 10kQ 12kQ 18kQ 33kO 56kQ 180kQ resent restano No 0 5 C 1 C 1 5 C 2 2 5 C 3 C 3 5 C 4 C 4 5 C 5 4700 change Up Up Up Up Up Up Up Up Up Up 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C 3 5 C 4 C 4 5 C Down Change Up Up Up Up Up Up Up Up Up 1C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C 3 5 C 4 C 3 3kQ Down Down Change Up Up Up Up Up Up Up Up 1 5 C 1 C 0 5 C No 0 5 1 C 1 5 C 2 C 2 5 C 3 C 3 5 C 5 6kQ Down Down Down Change Up Up Up Up Up Up Up 2 1 5 C 1 C 0 5 No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C 8 2kQ Down Down Down Down Change Up Up Up Up Up Up Refrigerator 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 1 5 2 2 5 10kQ Down Down Down Down Down Change Up
39. Up Up Up Up 2 5 C 2 C 1 5 C 1 0 5 C No 0 5 C 1 C 1 5 C 2 C 12kQ Down Down Down Down Down Down Change Up Up Up Up 3 5 C 3 C 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 1 5 18kQ Down Down Down Down Down Down Down Change Up Up Up 4 C 3 5 C 3 C 2 5 C 2 1 5 C 1 0 5 0 5 1 33kQ Down Down Down Down Down Down Down Down Change Up Up 4 5 C 4 C 3 5 C 3 2 5 2 C 1 5 C 1 0 5 0 5 56kQ Down Down Down Down Down Down Down Down Down Change Up 5 4 5 C 4 C 3 5 C 3 C 2 5 C 2 1 5 1 C 0 5 C No 180kQ Down Down Down Down Down Down Down Down Down Down Change NOTE This circuit is designed to input the necessary temperature compensation values into the MICOM This adjusts the refrigerator temperature which is different in each model 32 8 2 9 Key Button Input amp Display Light On Circuit The circuit shown above determines whether a function control key on the operation display is pushed It also turns on the corresponding function indication LED Module SEVEN SEGMENT DISPLAY The drive type is the scan type MICOM J 1 O Q 5 SD a4 PCB ASS Y DISPLAY 33 8 3 RESISTANCE SPECIFICATION OF SENSOR
40. WING TMPB7CH47U 44 44 1010 TRAY BRAVO PJT BEST TOSHIBA CIO S T 5 0177 82052 C DRAWING TMP87CH47U 44 0 44 1010 TRAY BRAVO PJT BEST LGA TOSHIBA CIOI 5 T e 2 7 8 B I 20 OISTLMIOOIA C STANDARD LOGIC M54563FP MITSUBISHI 20 R TP CONVERT MITSUBISHI 05 21 OIKE650030C KID65003AF 1650P BK 7CH DRIVER C106 107 aj 5 23 2 C STANDARD LOGIC KIA7BLOS SOT 89 TP REGULATOR KEC 02 24 OISTLKEOO3A C STANDARD LOGIC 7042 SOT 89 TP RESET IC KEC C103 25 26 OISTLKEOO4A C STANDARD LOGIC KRAIOGS 507 23 TP TRANSISTOR KEC 0104 27 OISTLKEOOSA C STANDARD LOGIC KRCIOGS 507 23 TP TRANSISTOR KEC 0101 103 28 01569346600 C SGS THOMSON M93C46 MN6T TP AUTO RESTART ST C104 29 OIRH934600D C ROHM BROBLC46RF W SOP BK EEPROM ROHM 30 6212883245 RESONATOR CERAMIC CSTCRAMOOG53 RO MURATA 4 0MHZ 0 5 T R SMD MURATA OSCIO I 33 OCEI07VF6DC CAPACITOR FIXED ELECTR OOUF I6V 207 R TP SMD SMD SAMHWA CEI02 34 OCE476VHEDC CAPACITOR FIXED ELECTR MV 25V 207 R TPISMD SMD SAMHWA CEI03 gt B 35 z 37 OCKIO4DK94A CAPACITOR FIXED OONF 2012 50V 80 20 R TP F Y5V MURATA CCIOI 108 38 OCKIOZDK96A CAPACITOR FIXED CERAMI NF 2012 50V 80 20 R TP X7R MURATA 09 39 0RHI000L622 RESISTOR METAL GLAZED 00 OHM I 8 W 2012 5 00 D ROHM R123 40 ORD2200E672 RESIS
41. 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 Using an incorrect part could result in damage to the product fire injury or possibly death 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 Using an incorrect part could result in damage to the product fire injury or possibly death 4 3 OLP OVERLOAD PRO
42. da 2 structures to fan snapping Compartment operation fan motor or short circuit of Lead wires Note 1 Freezer room notch temperature display and refrigerator room notch temperature display Failure code indication part are normally indicated in abnormal ambient sensor and indicated on the amvient temperature display LED check function If simultaneously pressing express freezer button and freezing temperature adjustment button for a second display LED graphics on If releasing the button the LED graphic displays the previous status 24 8 1 15 TEST Mode 1 an error The Test mode allows checking the PCB and the function of the product as well as finding out the defective part in case of 2 The test mode is operated by pressing two buttons at Display panel 3 While in the test mode the function control button is not recognized but the recognition tone beep sounds 4 After exiting the test mode be sure to reset by unplugging and then plugging in the appliance 5 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 MODE MANIPULATION CONTENTS REMARKS TEST1 Push FREEZER 1 Continuous operation of the Key and LOCK KEY at the COMPRESSOR and the Freezer fan same time for 3 seconds 2 Stepping DAMPER OPEN OR Pu
43. e connected water line 4 7 5 Sec SSS L 5 8 sec 19 7 2 5 Function TEST 1 This is a compulsory operation for TEST SVC cleaning etc It is operated by pressing and holding the Fill Key for 3 seconds 2 The test works only in the Ice Making Mode It cannot be entered from the Harvest or Fill mode If there is an ERROR it can only be checked in the TEST mode 3 Caution If the test is performed before water in the Maker 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 doesn t operate normally in the TEST mode check and repair as needed 4 After water is supplied the normal CYCLE is followed ice making Harvest Fill gt Park Position 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 lt Diagnosis TABLE gt STAGE ITEMS INDICATOR REMARKS c Five seconds after heater starts heater will 1 HEATER go off if temperature recorded by sensor is 10 C or lever is up position Five seconds after heater starts you can 2 MOTOR confirm that motor is moving HALL IC I You can confirm Hall Ic detection of position 3 detection of position Two
44. e freezer will be controlled at the lowest temperature 8 1 8 REFRIGERATOR LAMP AUTO OFF 1 To avoid heat damage caused by the lamp it is turned off automatically when the refrigerator door is open for more than 7 minutes 8 1 9 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 or Refrigerator Door Closed Closed 3 Times 3 Times 3 Times 3 Times Buzzer lt 4 gt lt i 30 sec 30 sec 30 sec Within 1 min 1 min 22 8 1 10 Buzzer Sound When the button on the front Display is pushed a Ding Dong sound is produced Refer to the Buzzer Circuit 8 2 4 No 3 8 1 11 Defrosting removing frost 1 Defrosting starts each time the COMPRESSOR running time reaches 7 hours 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 reaches 46 4 F 8 C or more If the sensor doesn t reach 46 4 F 8 C in 2 hours the defrost mode is malfunctioning Refer to the defect diagnosis function 8 1 14 4 Defrosting won t function if its sensor is de
45. fective wires are cut or short circuited 8 1 12 Filter Replacement Indication 1 In 6 months after the UNIT refrigerator is power on or after 28 000 seconds of dispenser use the water filter Indicator LED will be ON 2 When the water filter indicator LED is illuminated you should change the water filter After this you must press the water filter button for three seconds and you will hear a ding dong sound The LED will be OFF This operation will indicate that the UNIT is reset to its initial conditions so this process is restarted 8 1 13 Electrical Parts Are Turned On Sequentially Electrical parts such as COMP defrosting heater freezer FAN etc are turned on in the following order to prevent noise and parts damage Several parts are started at the same time at initial power on and are turned off together when TEST is completed OPERATING ORDERS Temperature of Defrosting Sensor is 113 F 45 C or POWER in1 2 second COMP 1 2 second Freezer FAN more when unit is newly ON ON ON purchased or when moved 8 Temperature of defrosting POWER in 1 2 second Defrosting 10 second Defrosting 5 sensor is lower than ON gt heater heater OFF o 113 F 45 C gt when power cuts SERVICE 1 2 second COMP in 1 2 second Freezer FAN gt ON V ON Reset to normal operation Total load 1 7 minute COMP 1 2 second Freezer FAN from TEST MODE OFF ON ON
46. in the pin of the Hermetic Terminal poor operation and contact may result 5 When replacing the Compressor be careful that dust humidity and soldering flux don t contaminate the inside of the compressor Contamination in the cylinder 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 BaTiOs 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 Motor 2 The compressor is a single phase induction motor Durign the starting operation the PTC allows current flow to both the start winding and main winding 4 2 3 PTC Applied Circuit Diagram e Starting Method for the Motor OVERLOAD PROTECTOR 0 3 PTC COMPRESSOR 6 MOTOR 5 M gt STARTER SEALED TERMINAL Resistance Starter Capacitor Running Figure 18 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
47. it is not functioning Put the Heater and Motor in the off position Restart every 2 hours Refer to fig 1 NOTE If the motor malfunctions and starts before the detect lever rises MICOM regards the Ice Removing phase as completed Water then starts flowing To prevent this MICOM doesn t switch to water supply mode but restarts the ice removing mode If this happens 3 times the motor is malfunctioning and you should stop the loads Heater Motor Then restart the Ice Removing mode every 2 hours See Step 2 above Heater OFF condition Ice making sensor temperature is 50 F 10 C or more Max 18 minutes I I After detect LEVER rises on n Heater I off bod Pe Sec gt HE Motor on Ice removing i completion point off 110 sec i 1 1 Hall IC ov fig1 Harvest mode Process 18 7 2 4 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 lt Water supply amount TABLE gt STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 6 2 6 5 EL II The water amount will vary depending L on the water control Switch setting as 3 7 Sec well as the water pressure of th
48. it firmly Condensation forms in the Exterior Case Check if the ambient temperature and humidity of the surrounding air are high s 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 s 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 Is the refrigerator level s 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 e Other possible problems the
49. it is in place 1 EJECTOR is in place It is an initialized control so the mode be changed to ice making control 2 EJECTOR isn t in place A If EJECTOR is back in place within 2 minutes with the motor on it is being initialized If not go to Step B B If EJECTOR is back in place within 18 minutes after the heater turns from ON to OFF it is being initialized If not it is not functioning Repeat Step B with Heater and Motor off 7 2 2 Ice Making Mode 1 Ice Making refers to the freezing of supplied water in the ice trays Complete freezing is assured by measuring the temperature of the Tray with Ice Making SENSOR 2 Ice Making starts after completion of the water fill operation 3 The Ice Making function is completed when the sensor reaches 19 F 7 C 60 to 240 minutes after starting 4 If the temperature sensor is defective the ice making function will be completed in 4 hours NOTE After Icemaker Power is ON the Icemaker heater will be on for test for 9 sec 7 2 3 Harvest Mode 1 Harvest Ice removing refers to the operation of dropping cubes into the ice bin from the tray when ice making has completed 2 Harvest mode 1 The Heater is ON for 30 seconds then the motor starts 2 After performing Step 1 the Heater is turned OFF the Ejector will be back in place wthin 18 minutes Hall SENSOR sign OV Ice removal is then complete Then the Ice Maker cycles to the Fill Mode The water supply fails to start
50. o 0 00000006 829 J10 o O WW 0 RRI RDI TRANS T b EE ___ o H o 4A CES J12 R26 01 o o 817 5 eg R46 OMW 0 R35 R45 R3 O o CCI 834 o 5 m FBI 893 p IC2 R36 o B 0000 0000 0000 gt 5 gt 2 0000 101 BDI 12 e 106 5 STICKER 2 o CC 5 0 6 0 P XT s 700 py Li 8 RYE RIS RYL RY3 RY2 E 5 7 I IE je fry 0 ds gt 2 o o N 5 Ce lt e CO CON O O O N L L N COMP N FD HTR VALVE I VALVE II R LAMP F LAMP DEF HTR 37 8 5 2 Replacement Parts List 5
51. out the fan and separate the Fan Motor and Bracket FAN MOTOR Figure 11 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 72 C 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 12 2 Separate the connector with the Defrost Control assembly and replace the Defrost Control assembly after cutting the Tie Wrap Figure 13 GRILLE ASSEMBLY DEFROST CONTROL ASSEMBLY N Figure 12 Figure 13 3 5 LAMP Figure 14 3 5 1 Refrigerator Compartment Lamp 1 Unplug the power cord from the outlet 2 Remove refrigerator shelves 3 Release the hooks on both ends of the lamp shield and pull the shield downward to remove it 4 Turn the lamp counterclockwise 5 Assembly is the reverse of disassembly Replacement bulb must be the same specification as the original Max 60 W2EA Figure 15 3 5 2 Freezer Compartment Lamp 1 Unplug refrigerator or disconnect power 2 Reach behind light shield to remove bulb 3 Replace bulb with a 60 watt appliance bulb 4 Plug in refrigerator or reconnect power 3 6 CONTROL BOX REFRIGERATOR 1 Fi
52. purities EVA frozen See DEFROSTING is poor 3 Door Line contact Check door seal when door is closed Door liner damaged Replace Door liner DEFROSTING is poor NO DEFROSTING 1 If HEATER emits heat USE TEST MODE forced DEFROSTING HEATER disconnection Replace HEATER TEMPERATURE FUSE Replace TEMPERATURE disconnection 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 RY2 of MAIN PWB 2 If DRAIN PIPE is Check DRAIN PIPE DRAIN PIPE is blocked Remove ice and impurities blocked Check HEATER PLATE resistance 3 If ice remains after Make sure that DEFROST Connection is poor Reassemble the DEFROSTING SENSOR is connected DEFROST SENSOR Make sure that FREEZER DOOR does not close Reassemble DOOR REFRIGERATOR DOOR is closed properly Replace GASKET 36 8 5 MAIN PWB ASSEMBLY AND PARTS LIST 8 5 1 Main PWB Assembly N
53. roken resulting in blowout of the fuse in order to protect the elements of the secondary part of the TRANSFORMER 26 8 2 2 Oscillation Circuit OSC1 E CSTS0400MG03 15 1MJ XOUT This circuit generates the base clock for calculating time and the synchro clock for transmitting data from and to the inside logic elements of the IC1 MICOM Be sure to use specified replacement parts since calculating time by the IC1 may be changed If changed the OSC1 SPEC will not work 8 2 3 Reset Circuit x9 7 1 3 18 m 7042 RESE E eor CCE 2 104 104 E 6 The RESET circuit allows all the functions to start at the initial conditions by initializing various parts including the RAM inside the MICOM IC1 when the power is initially supplied or the power supply to the MICOM is restored after a momentary power failure For the initial 10ms of power supply LOW voltage is applied to the MICOM RESET terminal During a normal operation 5V is applied to the RESET terminal If a malfunction occurs in the RESET IC the MICOM will not operate 27 8 2 4 Load Buzzer Drive amp Open Door Detection Circuit 1 Load Drive Condition Check ____ he N ICE MAKER 2180
54. rom spiling onto electric elements or the machine parts 1 SPECIFICATIONS 22 cu Ft 22 4 cu Ft ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DOOR DESIGN Side Rounded VEGETABLE TRAY Opaque Drawer Type DIMENSIONS W 836 x D 870 x H 1764 mm COMPRESSOR PTC Starting Type W 32 91 x D 34 25 x H 69 45 in EVAPORATOR Fin Tube Type 128 4 Kg CONDENSER Wire Condenser EE eg pounds REFRIGERANT R 134a 115 g COOLING SYSTEM Fan Cooling LUBRICATING OIL 15010 220 TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE SHEATH HEATER Full Automatic REFRIGERATOR 60 W 2EA DEFROSTING SYSTEM LAMP Heater Defrost FREEZER 60 W 1EA DOOR FINISH VCM Stainless HANDLE TYPE Bar INNER CASE ABS Resin INSULATION Polyurethane Foam 2 PARTS IDENTIFICATION Digital Sensor Control Q Filter inside Refrigerator Light dairy Bin shelves Fresh Q Design A Door Bins can Dispenser Freezer Light Optibin Crisper Qwire Basket Keeps fruits and vegetable fresh and crisper Customcube Icemaker Bin Q Full Widht Wire Basket wie Durabase On some models 3 DISASSEMBLY 3 1 DOOR gt Left Door Disconnect water supply tube by pushing back on the disconnect ring 3 Loosen the cover screw 1
55. rst remove all shelves in the refrigerator than remove the Refrigerator control Box by loosening 2 screws CONTROL BOX COVER LAMP Figure 16 2 Remove the Refrigerator Control Box by pulling it downward 3 Disconnect the lead wire on the right position and separate the lamp sockets 3 7 MULTI DUCT 1 Remove the upper and lower Caps by using a flat screwdriver and remove 2 screws Figure 17 2 Disconnect the lead wire on the bottom position Figure 17 4 ADJUSTMENT 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 repairing it 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 Compressor dry If the Compressor gets wet in the rain or a damp environment and rust forms
56. se of the power switch is shorted Replace the fuse Measure the voltage of the power outlet f the voltage is low correct the wiring Cools poorly Check 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 s 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 s 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 s the ambient temperature below 41 F 5 C Set the control to Warm position Condensation or ice forms inside the unit s 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
57. seconds after detection of initial 4 VALVE position you can confirm that valve is on Tes HALL IC II You can check whether hall is sensing Full 5 detection of full ice condition If there is a full filled error the filled Ice fifth LED is not on 6 Reset Return to Status prior to Five seconds after fifth stage is completed TEST 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 Ice Making Make sure that the wire 2 Sensor Open or short circuited wire on each sensor is malfunction connected Ice Maker Kit When ejector blades don t reach Check 3 malfunction park position over 18 minutes after HALL IC MOTOR Harvest Mode starts HEATER RELAY ERROR indicators in table can be checked only in TEST mode 20 8 DESCRIPTION OF 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 O 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 automatically set to 37 amp 0 EXPRESS DIGITAL CONTROL FLTERSTANUS
58. sh TEST S W on 3 Defrosting HEATER OFF the main Board once 4 DISPLAY LED all ON TEST2 Push FREEZER 1 Continuous operation of the Key and LOCK KEY at the COMPRESSOR and the Freezer fan same time for 3 seconds 2 Stepping DAMPER CLOSE in TEST MODE 1 OR 3 Defrosting HEATER OFF Push TEST S W once in 4 DISPLAY LED shows no 2 TEST MODE 1 TEST3 Push FREEZER 1 COMPRESSOR and the Freezer fan Reset if the Key and LOCK KEY at the OFF Temperature of the same time for 3 seconds 2 Stepping DAMPER CLOSE Defrosting Sensor is in TEST MODE 2 OR 3 Defrosting HEATER ON 46 F 8 C or more Push TEST S W once in 4 DISPLAY LED shows no 3 TEST MODE 2 Reset Push FREEZER Reset to the previously setting The compressor will Key and LOCK KEY at the Before TEST MODE Start after a 7 minute same time for 3 seconds Delay in TEST MODE 3 OR Push TEST S W once in TEST MODE 3 Freezer Fan RPM Variable Check In case the freezer fan is in operation when the express freezer button and freezing temp button Control are pressed for more than one second at the same time freezer fan RPM changes for example if high speed to normal speed or if normal speed to high speed for 30 seconds After 30 seconds it turns to its original RPM Demonstration MODE 1 When the Express Freezing Temp Control button and the Refrigerator Temp Control button are pushed and hold for 3 seconds or longer it converts to Demostration Mode 2 The Display sho
59. ter needs replacement once six months or Classification initial Power dire on about 28 000 seconds of using water filter 3 Water filter light and FILTER RESET HOLD 3 SECS text turn on to tell you need to replace the filter soon Filter Status 4 After replace the filter press and hold the lock button Display FILTER RESET more than 3 seconds HOLD 3SECS Then water filter light and FILTER RESET HOLD 3 d SECS text turn off with reset status 8 1 5 Express freezing selection Please select this function for quick freezing Function is repeated following below whenever pressing Express FRZ button Expressing freezer function automatically turns off after a fixed time passes EXPRESS FRZ EXPRESS FRZ 2 ON 21 8 1 6 CONTROL OF FREEZER FAN MOTOR 1 Freezer fan motor has high and standard speeds 2 High speed is used at power up for express freezing 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 express freezing Normal speed 2400RPM General working conditions 5 Fan motor stops when refrigerator or freezer door opens 8 1 7 EXPRESS FREEZING 1 The purpose of this function is to intensify the cooling speed of freezer and to increase the amount of ice 2 Whene
60. to the fan motor in the lock of fan motor by sensing the operation RPM of the fan motor part ov Part MOTOR OFF 2V or less OV MOTOR ON 13V 15V l G 1 1 M 330J 08 KTB1151 FRIO7 L4 MICOM Bota R41 112W 35 39K MS 220uF 669 05 ny Fm KTC3108 sv PG 2 10KJ 77 R46 32 R45 4 7KJ 6 aie 20 r 102 777 I 29 3 Open Door Detection Circuit Check CON 7 E 37 R39 ae 1 REFRIGERATOR DOOR 223 T 2 SWITCH a 777 1 CONS 30 R26 2KJ jd 2 6 FREEZER DOOR CC15 MICOM T 5 8 SWITCH HH Measurement Freezer Location PIN NO 30 amp PIN NO 37 Refrigerator Door om 9 8 2 5 Temperature Sensor Circuit N Z E i CON5 6 2 ps0 3 12 6612 1 2KJ 7 FREEZER SENSOR zs HI wet 24 R24 10 en ci3 L 2KJ REFRIGERATOR SENSOR 223 T a zz 97 9 1 25 n R25 1KF P62 8 evo L DEFROST SENSOR 225 I CON 7 26 R17 hus 5 d s 1 di 25 CE6 dud ROOM TEMPERATURE SE 223 T g SENSOR 50V F 6 The upper CIRCUIT reads REFRIGERATOR temperature FREEZER kmperature and DEFROSTSENSOR tempera
61. ts off COMPRESSOR RELAY is Replace MAIN PWB don t press the KEY and poor wait THE CONNECTING WIRE Check the connection of the iS poor black wire of the MAIN PWB CONNECTOR CON2 2 If refrigerant is leaking Measure the amount of frost Refrigerant leakage Replace the leaking part and sticking on EVAPORATOR replace any lost refrigerant and the surface temperature of the condenser pipe FREEZER 1 If FAN MOTOR USE TEST MODE1 FAN MOTOR is poor Replace the FAN MOTOR TEMPERATURE is operates forced COOLING incorrect CONNECTING WIRE is poor Refer to 8 2 4 2 and check 2 If DEFROSTING Check the amount of frost DEFROSTING is poor See DEFROSTING is normal sticking on the EVAPORATOR is poor 3 If SENSOR Check the resistance SENSOR RESISTANCE is Replace SENSOR is normal of the Refrigerator poor SENSOR 4 Door Line contact Check the seal when Door liner damaged Replace door liner the door is closed 35 PROBLEM INDICATED BY CHECK CHECKING METHOD CAUSE SOLUTION COOLING is poor If REFRIGERATOR 1 If FREEZER TEMPERATURE Check is FREEZER Make sure the TEMPERATURE is normal TEMPERATURE is too low DOOR isattached is too low 2 If amount of cool air from Make sure that the amount FAN MOTOR is poor Replace FAN MOTOR FAN MOTOR is sufficient and speed of cool air are sufficient by touching the check supplied on the REFRIGERATOR Passage of cool air is blocked Remove im
62. ture The capillary tube is faulty m cool normally lt 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 9 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 and Low flowing sound of A little higher Low pressure at high side g RESSION Refrigerator refrigerant is heard and than ambient of compressor due to low y m don t cool frost forms in inlet only temperature refrigerant level No compressing Flowing sound of refrigerant Equal to ambient No pressure in the high an RESSION operation is not heard and there is temperature pressure part of the 2 no frost compressor 15 6 5 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 Frost Pattern None Partial Equalization Test Equalization Test Very Fast Very Slow Very Slow Fast Very Fast Inefficient Compressor Complete Restriction Partial Restriction Condenser Temperature Hotter than Normal
63. ture for defrosting and the indoor temperature for compensating for the surrounding temperature into MICOM OPENING or SHORT state of each TEMPERATURE SENSOR are as follows SENSOR CHECK POINT NORMAL 30iC 50C SHORT CIRCUITED OPEN Freezer Sensor POINT A Voltage Refrigerator Sensor POINT 8 Voltage 05V 45V OV Defrosting Sensor POINT Voltage Room Temperature sensor POINT D Voltage 30 8 2 6 Refrigeration Compartment Stepping Motor Damper Circuit The circuit shown below is the damper circuit to regulate the refrigerator temperature paa MICOM 8 2 7 Dispenser Input 4 IC P20 MICOM zi 2KJ 31 KI IC8 9 16 7774 CON5 m 15 A 1 1uF X R28 Rao m E 2 STEPPING 31 10KJ 1 P10KJ B MOTOR P10 11 s 33 i 6 i 5 457 4 B 12 13 CON 7 PUMP R21 9 S W a 39 os 8 2 8 Temperature Compensation amp Overcooling Undercooling Compensation Circuit 1 Refrigerator Temperature Compensation NER R15 10KJ RCR1 10KJ 777 Refrigerator Resistance Temperature Remark RCR Compensation 180 KQ 2 5 Compensation by raising the HKO 195 temperature 33 KQ 1 5 C 18 1 0 C 12 0 5 10 0 C Standard
64. ver selection switch is pressed selection release the LED will turn ON or OFF 3 If there is a power outage and the refrigerator is powered on again EXPRESS FREEZING will be canceled 4 To activate this function press the Express Freezing key and the LED 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 Express Freezing 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 Express Freezing the Express Freeze cycle will complete its cycle after defrosting has ended If the defrost cycle begins when Express Freeze has run for more than 90 minutes Express Freeze will run for two hours after the defrost is completed 3 If EXPRESS FREEZING is pressed during defrost EXPRESS FREEZING LED is on but this function will start seven minutes after defrost is completed and it shall operate for three hours 4 If EXPRESS FREEZING 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 EXPRESS FREEZING 6 For the rest of the 21 hours th
65. ws the Demo graphic 3 In this status all Loads are off Compressor Fan Damper Heater Even is Demonstration Mode the refrigerator Lamp automatic off function warks normally and can be demonstrated 4 Exit the Demo mode and reset the Display by pressing the Express Freezing Temp Control button and the Refrigerator Temp Control button for 3 seconds or longer 25 8 2 PCB FUNCTION 8 2 1 Power Circuit BD1 D3SBA60 L1 SmH 4A lE RI 150Ku 1W 220 4240 B2KJ W 100 1 7 9 I VA1 POWER R 4D621 220 240 Np 7 11 RL2 2 4 Leod 2 STR G6551 b20 240y c5 5V 22 47J 1W 100 127V 7805 42 cc4 ces ccs 104 220 104 I 4 Y 4 21 221 T 2KV 17 22 Varef Vss Vass TEST The secondary part of the TRANSFORMER is composed of the power supply for the display the BLDC FAN Motor drive 15 5 V the relay drive 12 Vdc and the MICOM and IC 5 Vdc The voltage for each part is as follows PART VA 1 CE3 4 CE5 VOLTAGE 115 Vac 12 15 5 5V VA1 is a part for preventing over voltage and noise When 385V or higher power is applied the inside elements are short circuited and b

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