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1. P15 CON2 CON101 TC2 1H1 Qt KRA106M i _ 24 2 I 02 KRA106M 17 2 H 3 03 KRA106M L1 L2 LS 06 KRC106M T 18 180 L4 P72 15 Lw KRCIOEM R12 5115 E p73 17 77 180 I SCK Q8 KRC106M bw ede P74 16 180 81 TA 4 1N414843 P75 15 7 7 5101 EI 50 665 Pt VACATION FREEZER TEMP QUICK FREEZE gt 20k KEY CONTROL KEY KEY 8H8 ey RT SENSOR 5 n RIO 26 DISPLAY P60 D AINO T 2K 9n9 A R T 223 F m RF2 m 1 CONS P61 1 e AIN1 208 2K D SENSOR GREEN L2 13 L4 L5 2 1 p62 o R15 16 2 5 AIN2 cc L 2k F SENSOR 223 T R7 15 R6 5 A FRAME ASSY B PuT 5 INT5 cc4 2K R DOOR S W 223 INPUT st R17 pio 26 5 15 TEST n INTO eno 9 0 p11 25 1 INTO P10 24 0 2 NTI er p 777 34 EXPLODED VIEW amp REPLACEMENT PARTS LIST 1 Ref No GR 399 eThe parts of refrigerator and the shape of each part are subject to change in different localities 2 f TERES R 35 9
2. 33 014 n az IM IC2 D5 IC3 28 vaa g 1 e 182 nm 9 717805 9 9 1 12 P77 Voref VAY _ 7 5 E WE 08 dine arm m m 9 BN BN fw A6V Aey 14 Vss Voss L 9 L gt C 3 TEST URN PNR ie COMP x OLP G2R 1A 104 gt 19 START 7i D6 144004 11 ox 6 4 P76 t COOLING FAN MOTOR RY2 G5N 1 5 D7 FAN MDTHR me 5 RY3 G5N 1 27 e 5 E DB N4148 FUSE M L CORD HEATER 9 13 o B 010 N5408 lt TU P U SHEATH HEATER Aa E Lp es 25 iH Ins 1K 04 20 KRA106M R DOOR S W LAMP R BUZZER 6 47uF 05 177 251 KRC106M 22 ppp 0561 CST4 00MGW 2 RB T Li 1M 7 1 FREEZE ROOM COMPENSATION IC6 E 27 COMPENSATION FREEZE ROOM 10s T T 104 REMARK ab d RESISTANCE R1 180KJ 5 56KJ 4 C 33KJ 3 RIO FREEZER TEMPERATURE WARM 10K COMPENSATION 8 P63 18KJ 2 C AIN3 12KJ 1 C 3 10K 10KJ STANDARD H1 8 2KJ 1 C 5 6KJ 2 C COLD 3 3KJ 3 c 49c 470 5t
3. 6871JB1037 STICKER COMP FAN HEATER HEATER2 B 6 E 1 D10 CON3 I R DOOR F D CON1 30 2 REPLACEMENT PARTS LIST NO DWG NO DESCRIPTION SPEC MAKER REMARK NO DWG NO DESCRIPTION SPEC QTY MAKER REMARK 1 6870J82024C PWB MAIN FR 1 DS 11074 1 000 SAN t 1 6 30 oRD2200 608 2209 1 4W 1 R18 2 6170J82005A TRANS PCB I 240V 0 14V 1 TAE SUNG TRANS 31 0RD10016608 1 4W 2 R3 R4 3 6 wafer 5 1 JAE EUN CON1 32 0RD2001G608 2KJ 1 4W 5 R6 7 15 16 19 4 6630 88004 SMW250 09 1 CON2 33 ORD22016608 1 4W 1 R14 YEON H 1 JOYANG 5 6630J88004E SMW250 06 1 CON3 34 08047016608 4 7KJ 1 4W 4 eon R9 17 20 21 6 0 22J820086 MICOM CHIP TMP87C408N 1 TOSHIBA IC1 0ZZJB2008H 35 08010026608 1 4 1 7 178120 1 BA17812T 1 ROHM 162 36 0RD12026608 12KJ 1 4W 1 YO R1 8 ATOR KIA78SOSP 1 IC3 37 0RD10046608 1MJ 1 4W 1 R8
4. Frost formed normally Whether frost forms in Whether oil gt leaks or not Evaporator No frost or forms in inlet only Normal amount Observe the discharged amount of Refrigerant or much amount Moisture Clog Faulty Compressor Inject Refrigerant to Compressor and check cooling operation Check Compressor Clogged by dust 15 A Gas leakage Frost formed normally YES Y Check the leakage point General Conirol of Refrigerating Cycle NO ITEMS CONTENTS AND SPECIFICATIONS REMARKS WELDING 1 H 30 ROD Chemical Ingredients Recommend H34 containing 3496 Ag in the Ag 30 Cu 27 Zn 23 Cd 20 Service Center Brazing Temperature 710 840 C 1 2 Bcup 2 Chemical Ingredients Cu About 9396 P 6 877 596 The rest within 0 296 Brazing Temperature 735 840 C FLUX Ingredients and how to make Make amount for only day Borax 3096 Holding period 1 day Borax 3596 Close the cover of container to prevent dust 2 Fluoridation kalium 35 putting in the FLUX Water 4 Keep it in a stainless steel container Mix the above ingredients and boil until they are transformed into liquid LOKRING 1 Both of the tube is inserted up to the stop For a hermetically sealed metal metal Figure 23 24
5. ora pszyaio2A COMPRESSOR ASSEMBLY ____ 10A 3550JA2149A COVER P T C MATSUSHITA o s0a0ja3071a REPLACEMENT PARTS LIST BUYER NAME LGD MODEL NAME GR 359SNQ LG REFERENCE GC 359SNQ CPI QLGD COLOR Pearl nox R 4032774 stopper compe __ R 315a__ 3103 Q10068 comp BASE ASSEMBLYSTD R 3158 __ 45 0 0000 r R pzzosorA PNDRAWING R 317a__ 5851jQ20018 DRIER ASSEMBLY R HotDERDRIER R __ 8390 TRAYDRIP R 49740100 6 oUIDEFAN R 3238 5403010268 CONDENSER ASSEMBLY WIRE R s27A RUBBER DAMPING R 328 504003023 RUBBER DAMPING R 590 01003 FAN ASSEMBLY R 329c__ 5901Q1004a Fan aSSemBLy R 3308 _ 4999 Q2001a SHROUD ASSEMBLYF R 332a s531Q2001A GRILLE ASSEMBLYFAN o R __ 4680 R1009F_ MOTOR MECH COOLING Oooo R sosa as10Q3021A BRACKET MOTOR C i R jac RUBBER MOTOR N o R 4068 _ e6ooJR1002C SWITCH PUSH 6102 PARK ELEC 125 250 5 R aoza 5300R1009B HEATER SHEATH 240 170 laore 22 820038 CAPACITOR DRAWING R 4098 e912JR2001P Lamp vacuuM 1 10 0 0 R __fa11a__ 6411 R1003 _ POWER CORD ASSEMBLY fd R 420a__ 4680 R10
6. 4775 Q2027A HINGE ASSEMBLY R sora 5421JQ0023A EVAPORATOR ASSEMBLY R sosa 550 000014 i R 307 252 1002 COMPRESSOR ASSEMBLY 5 R 13550 2149 NORYLSE 1 110 MATSUSHITA R 312a 4 71 RUBBER SEAT 0 0 0 i REPLACEMENT PARTS LIST BUYER NAME LGD MODEL 35950 LG REFERENCE NO GC 359SQ CEWQLGD COLOR Euro White R jua 43032778 stopper come 0 0 1 R 5 _ 3103 010068 COMPBASEASSEMBLYSTO R __ 45 0 0 0 0 R pgezzosora eNDRAWNG PT R __ 5851 020018 DRiERASSEMBLY __ 1 R jisa 1493003020 HotDERDRIER C 11 R __ 3390 R g47490o1009A gUDEFAN _ j 11 R 3238 _ 5403JQ1026A CONDENSER ASSEMBLYWRE R 27 __ 5040 RUBBER DAMPING 11 R 28 jso4gosozssA RU amp amp ERDAMPING 1 R 2 jsooyoro3A Fan ASSEMBLY R 329 59011004A FAN ASSEMBLY j R 3308 499902001 SHROUD ASSeMBLY F i R 332 3531JQ2001A GRILLE ASSEMBLY FAN R __ 4680 R1009F_ MOTOR MECH COOLING R sosa 1 BRACKET MOTOR 000 0 R osc RUBBER MOTOR N TT R 4
7. 2 SHEATH HEATER OVERLOAD PROTECTOR FAN MOTOR COOLING FAN MOTOR DOOR SW R 21 915 9119 COMPRESSOR 5 1 BL Ll 4 lt lt EARTH PART CAPACITOR P T C START OPTION PART STARTER LG COMP MATSUSHITA COMP EMBRACO 3854J88001A BK BLACK BN BROWN RD RED BO BRIGHT ORANGE YL YELLOW GN GREEN BL BLUE PR PURPLE GY GRAY WH WHITE SB SKY BLUE PK PINK GN YL GREEN YELLOW WH BK WHITE BLACK NOTE 1 This is a basic diagram and specifications vary in different localities 10 TROUBLESHOOTING Mechanical Part 1 COMPRESSOR AND ELECTRIC COMPONENTS Power Remove the Relay Assy Rating Voltage YES Source from the Compressor 10 and measure the voltage between Terminal C of Compressor and Terminals M or S of Relay Assy No Voltage 52 Applied voltage isn t Advise the customer in the range of Rating to use a regular 52 Voltage 21090 Trans Check the Check the resistance resistance of among M C S C and Motor M S in Motor Replace Compressor Compressor Compressor YES Check the resistance of PTC Starter 22 Check Check the resistance of two terminals in PTC Starter Replace Relay Assy YES OLP works within 30 sec in forcible OLP operation by tur
8. 6C 7 C 8 NOT 5 6kQ 3 290 1901 1 2cT 4 5 C 6 7 C NOT 8 2kQ 4904 390 290 1 Bel 1927 2 4 59 6 FREEZER NOT wk n ROOM 10kQ 5 4 390 29Cl TCI COMPRISE 1 2 4 5 R1 12kQ 6 5 4 C S Cl 20 1 Cl id 1927 2 7 3901 49CT Y id COMPENSATE 7 64 5 4 39 290 191 M TECT 2 3 CT COMPENSATE NOT X 33kO 8 7 Cl BCL 590 44 390 220 1 CL 192 2 I NOT 56kQ 9 BCL 7 690 SCL 4904 3 4 2 1921 COME 1 C I I NOT 180kQ 10CL 9 CL 8 7 6 54 4924 34 220 14 This circuit is aimed to input the necessary temperature compensation values into the in order to adjust the freezer temperature which is different in each model 27 8 LIGHTING CIRCUITS OF KEY BUTTON INPUT AND DISPLAY PARTS CON101 ICI p15 21 CON2 TC2 Q a KRAIOGM 20 92 KRA106M p17 19 Q3 KRA106M 12 L3 06 KRCLOGM R13 pza 18 180 L4 L5 QF R2 p73 17 777 180 SCK as Lw REUEN R11 P74
9. m KIA7042P KEC 6 38 16120408 16 2KF 1 4W 1 RF1 OIKDO10100A BMR 0101D KODENSHI 39 onN26126408 METAL FILM 26 1KF 1 4W 1 RF2 0IKE6500308 DRIVE IC 6500 1 KEC IC4 40 26126408 26 1KF 1 4W 1 RF3 11 69200820004 RELAY VS 12MB 1 TAKAMSAM RY1 41 OTRI06009AC PNEU 4 K E ci 25 12 6920J82003A G5N 1 2 OMRON RY2 RY3 42 OTRIOG009AE 4 Q5 6 7 8 RESONATOR MURATA om 43 660088001A TEST S W 1 TEST 14 RR V 44 o 002080519 5 SAMHWA 43607015 JUMP WIRE 15 000400409 RECTFER D0DE 1N4004 6 DELTAIDING 45 9 6 9mm 2 J01 04 16 ODRI54080AA GLASS RECIFER D 145408 2 vata 09 10 46 oera 3 0 1 17 1000414800 SWTCHNG DIODE 144148 2 Rom 07 8 47 492083002A HEAT SINK 12V 24572 00034 1 22 061081618 1000uF 35V 1 48 MSBF0302418 SCREW H SINK amp l 1 19 JOCE4771H618 470uF 25V 2 2 3 49 49111OO1 SOLDER _ ALMIT KR 19RMA 3 09 20 0CE2271F638 220uF 16V 2 5 7 50 4911100419008 LEAD BAR 254 21 loces761H638 47uF 25V 1 CE6 51 59333105 FLUX AUTO JS71 1 59 KOKI 22 6908JB3002A PIEZ0 BUZZER BM 20K 1 BujJEGN BUZZ 23 0CQ2231N409 MYL CAPACITOR 223 100V 2 vINYOUNG CM1 CM2 24 lock1020H908 102 25V 1 CC6 25 lock2230Hg08 cer 223 25 6 TAE YANG CC1 2 4 7 8 10 26 0CK1040H908 104 50V 3 CC3 5 9 27 ORD1800H608 1
10. FUSE MELTING Check current flowing of the following components HEATER SHEATH HEATER CORD L Heater Cord L gt Coil is shorted Replace org each component Replace the Heater Sheath Defect on Replace 13 the Heater Cord L 4 SERVICE DIAGNOSIS CHART COMPLAINT POINTS TO BE CHECKED REMEDY Cooling is Is the power cord unplugged from the outlet Plug to the outlet impossible Check if the power switch is set to OFF Set the switch to ON Check if the fuse of power switch is shorted Replace a regular fuse Measure the voltage of power outlet If voltage is low wire newly Cooling ability Check if the set is placed close to wall Place the set with the space of about 10cm is poor Check if the set is placed close to stove gas Place the set apart from these heat cooker and direct rays appliances 15 the ambient temperature high or Make the ambient temperature below the room door closed Check if put in is hot Put in foods after cooled down Did you open the door of the set too often Don t open the door too often and close or check if the door is closed up it firmly Check if the Damper Control is set to cold position Set the control to mid position Foods in the 15 foods placed in cooling air outlet Place foods in high temperature section Refri
11. 237a_ ag7ajazo20a Guine Borre 0 j R fjsoogpiosa BaskeT DOOR R 241c jsoogpiosA BaskeT DOOR R 249 50751 020024 Bank ASSEMBLY DAIRY ___ d R jssoar87A coveRTRAY __ 507 100 R 2818 47753030024 HINGE ASSEMBLY U 00 0 4 R 2810 jsoogosor2D caeHiNGE rJ i R jer ja7503008 MNGEASSEMBLYU __ R _ 2828 4775 92026 HINGE ASSEMBLYC R 775 02027 hinge 5 ___ __ R sora __ 5421 00023 ASSEMBLY R sosa 550 000014 cover BACK M C i R 307A 2524 1002 COMPRESSOR ASSEMBLY pCil0E10RAWS R 310a 13550 2149 COVERP T C ___________ 5 DC110 MATSUSHITA R 312a__ soaqa3o71a JRUBBERSEAT REPLACEMENT PARTS LIST BUYER NAME LGD MODEL GR 399SQ LG REFERENCE NO 39950 COLOR Euro White R 1 3154 31037010068 comp BASE ASSEMBLY STD R R 22 03017 pinDRAwING R 317a 5851020018 DRIERASSemBLY i R mus _ HOLDER DRIER R __ 8390 y R sc __ 4974 01006 GUDEFAN R _ 3238 5403 01026 CONDENSER ASSEMBLY WIRE ____ 327 __ 40 RUBBER DAMPING R 328 5040 03023 RUBBER DAMPING
12. ___ R 9A 5901701003 FaNASSemBLy R _ 590Q1004a ASSEMBLY __ R 3308 4999920014 sHROUD ASSEMBLYF R 332a _ 3531Q2001A GRILLE ASSEMBLY FAN R sosa __ 4680 R1009F_ MOTOR MECH COOLING EU R sosa BRACKET MOTOR R __ 5040 RUBBER MOTORN i R ___ 4068 jeeoojRi002A SwiTCH PUSH 125 250 054 o R 407 5300JR1009B HEATER SHEATH 4 0 0 0 R 27 820038 ___ R fao 6912 R2001P Lamp vacuum ________ 1 1 0 R fsa _ Power CORD ASSEMBLY R 420A 4680 R1008C MOTOR MECH COOLING uu R gasegasoa cramp 0 0 0 0 0 i R sora 687481022 ASSEMBLY MAN 000000 0 0 0 R 5038 6871JR3001B ASSEMBLY DISPLAY R eo sssgoz046A CovERDUCT R 610E 3550 02025 5 0 0 i R 921 jeo2gA2001A RELAY ASSEMBLY 4 a E LG Electronics Inc P No 3828JS8027B
13. BRACKELMOTOR R js04yo30034 RUBBER MOTOR N Jo R 4068 eeooRi002C swiTCHPUSHI 25 280VACOSA R 407 5300JR1009B HEATER SHEATH 240V170W6 6 0 0 R aoza _ oczzje20038_ capacitor DRawiING R 6912 82001 LAMe VACUUM ________ 1 0 j fama jearymio3L POWwERCORDASSEMBLY J R ja __ 46 1008 _ R seo R 501 687181022 jewetecB assEMBLY MAN R 5038 _ 6871JR3001B PWB PCB AsSEMBLY DISPLAY R ___ 35500204 covgpuT 0 0 S R jerk 3550Q2025a_ cover sensorn Jo R 6921 jeo2gA2001A RELAYASSEMBLY PO REPLACEMENT PARTS LIST BUYER NAME LGD MODEL GR 399SQ LG REFERENCE 39950 COLOR Euro White R oza 3123020055 cover ASSEMBLY J R os __ 3122 01004 rop o R fosa 5 2021 HANDLE BACK __ R oss 3650920218 aANDLEBACK 1 R fosc js59ooo2A coventowR i R fiosa __ 4981 sUPPORTER ASSEMBLY LEG 1 R fosc SuppoRTERLEG 1 R __ 105 _ 5251JQ3002A DRAIN ASSEMBLY PIPE Z_ R oes 4779 Q3002A LEG ASSeMBLY ADJUST j ___ R fiosa cap coveR S R fos _ 5006 Q3038a cap coveR 0 0 00 0 0 0 0 0
14. S NS lt iu NN S RN d NN SN RM QZ SS me N x 8 X Ag zo A N N S N N IW NS RSS REPLACEMENT PARTS LIST BUYER NAME LGD MODEL NAME GR 359SNQ LG REFERENCE GC 359SNQ CPI QLGD COLOR Pearl R loza _ 123 020050 Tor cover assemsty R 3650 Q2021W R hos L T R hos 3550900020 T __ SUPPORTER ASSEMBLYLEG O o Too R oc __ SUPPORTERLEG L CCS hosa ls2sy03002a DRAIN ASSEMBLY pIPEZ O T R oes 4779030024 EG ASSEMBLY AUST roga _ 5006 032 CAP COVER CT R 1098 R 5006 930390 cap cover R maa Cd R _ 4995J01005H CONTROL BOX R os 4994 S10020 _ __ R 3550930098 S R 52091010058 DUCT ASSEMBLY INSULATION __ R zov covero C s R __ 125 90 02001 TRAY cE C O lea 339420118
15. WHEN POWER gt FAILURE OR SERVICING after 0 5 sec COMP after 0 5 sec FAN o ON ON WHEN RETURNING TO NORMAL All Elec Parts after 7 min COMP after 0 5 sec FAN STATE FROM TEST MODE OFF ON ON 19 8 SELF TEST 1 Function to make service easy in case of occuring a trouble in the product 2 2 3 4 ERROR CODE LEDs are all off VACATION Co FREEZE TEMP When occurring a trouble if the button is pushed but the function could not operate If a toruble release during the representation of trouble a refrigerator performs the normal function RESET 4 To represent a ERROR CODE it use FREEZE TEMP LEDs on TOP COVER If ERROR occurs the other LEDs except QUICK FREEZE Co ERROR CODE LEDs ON O OPERATE NORMAL OPERATION TROUBLE S OCCURRING NO ITEMS pide pe E gg DESCRIPTION 3 COMP FAN DEFROST HEATER 1 FREEZER a FREEZER SENSOR open 15 minutes On SENSOR abnormal short 15 minutes o o 2 DEFROST A DEFROST SENSOR open SENSOR abnormal O or short 8 defrosting 3 DEFROSTING DEFROST HEATER FUNCTION TEMP FUSE open or is abnormal A Aur 15 oO disconnection Displayed after least 4 hours from the trouble s occurring 4 RT SENSOR NOTE 1 Room Temperature SENSOR open or short NOTE 1 If one second pass after pressing the QUICK FREEZE an
16. Press the QUICK FREEZE and FREEZE TEMP buttons at the same time After 1 sec all the LEDs of the DISPLAY are ON simultaneously If release the BUTTON return to the previous condition 21 2 FUNCTION DESCRIPTION 1 ELECTRIC CIRCUITS 0104 IC2 D5 IC3 28 Vdd 11 8 Ph 7805 9 t 12 77 _ 14 d Val P PAS EI ap E 65 7 03 26 MAA 25 T 23 410 23 23 20uF 220uF T104 i 35V fov 6v 14 Vss Vass 9 3 TEST 777 TRANS secondary side is composed electric power circuits for RELAY driving electricity 12Vdc and for supplying electricity to MICOM and IC 5Vdc The voltage in each part is as follows PARTS both ends of VA1 both ends of CM1 both ends of CM2 both ends of CE2 both ends of CC2 VOLTAGE 230Vac 14Vac 17Vdc 12Vdc 5Vdc is the part to protect over voltage and noise When more than 385V is applied the thermal fuse 130 C cut off local option in a first part of TRANS is cut so that the elements in the secondary side of TRANS are protected 2 OSCILLATION CIRCUIT XIN 0 1 CST4 00MGW R8 1M CIRCUIT for occurring CLOCK w
17. ___ R j3391Q2011A TRAY ASSEMBLY DRAWER R 1368 __ 3391 020124 TRAY ASSEMBLY DRAWER R i36C 33917020128 TRAY ASSEMBLY DRAWER R 136D 339020126 TRAY ASSEMBLY DRAWER R 136E _ 5027 020064 SHELF AsSEMBLYR o R jer 15027 020074 SHELF AsSEMBLYR R noA __ 3390 51013 RAYMEAT PT R 5 j4974A2040A GUIDERAIL ___ _ C 1 R 51 3391JA2015B TRAY ASSEMBLY VEGETABLE R _ 1518 3391JA2015A TRAY ASSEMBLY VEGETABLE R 155 355 020134 cover ASSEMBLY T V R 5433JQ2003N DOOR Foam ASSEMBLY F R _ 4987 010124 GASKET assemBLY R fas10Q3019B BRACKELDOOR 0 0 0 0 00 i R BRACKELDOOR 0 0 00 i R 231a __ 5433 Q0009H DOOR FOAM ASSEMBLYR 0 0 R 233a 498701012 GaSkKeTASSemBLY DOOR 0 00 i R 235 gssegoooa TRAmEGG j R 237a_ ag7ajazo20a guine Borre j 1 R a jsowpiosA BAskenpoo 1 i R 24ic soo4pio99a BaSKET DOOR i R 5075 02002 BANK ASSEMBLY DAIRY 1 R __ 3550 cover Tray R jsovgpioa o i R je 4775303002 HINGE ASSemBLY U_ R pen _ 5006 030120 cap HINGE 11 R jer 14775930028 HINGE Sooo i R _ 2828 1477592026 HINGE __ R
18. system in refrigerator the work area is well ventilated Especially if the refrigerant is R600a there are no fire or heat sources No smoking 5 Don t touch metal products in the freezer with wet hands This may cause frostbite 6 Prevent water from following onto electric elements in the mechanical parts 7 When standing up after having checked the lower section of the refrigerator with the upper door open move with care to avoid hitting the upper door SERVICING PRECAUTIONS Features of refrigerant R600a Achromatic and odor less gas Flammable gas and the ignition explosion at 494 C Upper lower explosion limit 1 8 8 4 Vol Features of the R600a refrigerator Charging of 60 refrigerant compared with a R134a model The suction pressure is below 1bar abs during the operation Because of its low suction pressure the external air may flow in the cycle system when the refrigerant leak and it causes malfunction in the compressor The displacement of compressor using R600a must be at least 1 7 times larger than that of R134a Any type of dryer is applicable XH 5 7 9 The EVAPORATOR or any other cycle part that has welding joint is hidden in the foam If not hidden inside the whole electric parts must be tested with the LEAKAGE TEST according to the IEC Standard The compressor has label of the refrigerant R600a Only the SVC man must have an access to the system Installati
19. times three times within 1 minute 5 DISPLAY BUTTON RING 1 minute 30 30 seconds seconds 1 If display function button FREEZE TEMP QUICK FREEZE VACATION of the front of the TOP COVER is pushed BUZZER rings with DING DONG See the BUZZER OPERATION CHECk 6 DEFROSTING 1 If the accumulated time for the operation of the COMPRESSOR is meet with 7 hours the DEFROSTING HEATER is started 2 The first defrosting is performed at 4 hours compressor ON later since the power is on 3 If DEFROST SENSOR is over 7 C during DEFROSTING end the operation of DEFROSTING with DEFROSTING HEATER paused And after 7 minutes the operation for the freezing is started But if DEFROST SENSOR is not reach to 7 C after 2 hours operation of the defrosting heater it represents a defrosting trouble See the TROUBLE REPRESENTING FUNCTION 4 If DEFROST SENSOR is short or open defrosting is not performed 7 ORDERLY OPERATION OF ELECTRIC PARTS To avoid NOISE and DAMAGE the items containing an electric parts such as COMP DEFROSTING HEATER and FAN MOTOR operate in order as follows OPERATION STATE OPERATION ORDER WHEN DEFROST SENSOR TEMPERATURE IS OVER POWER after 0 5 sec after 0 5 a 7 C WHEN PURCHASING ON T OR MOVING v 5 WHEN DEFROST SENSOR POWER after 0 5 sec DEFROSTING after 10sec DEFROSTING TEMPERATURE IS BELOW ON HEATER ON HEATER ON g 7 C
20. 068 6600 1002 swrTCH IPUSH 125 250VACOSA d R 4o7a__ 530QR1009B HEATER SHEATH R 77 82003 caraciTor DRAWING 0 0 0 0 0 0 0 0 0 0 1 R eoizjR2001P LaAMP IVACUUM ________ 1 1 1 0 0 R laa _ 6411JR1003L CORD ASSEMBLY ___ 2204 __ 4680 R1008C_ MOTOR MECH COOLING O R cramp ___ R 501 687181022 PWB PCB ASSEMBLY MAN __ 00 0 0 0 R 5038 6871830018 ASSEMBLY DISPLAY o y R jeor __ 3550 02046 cover Duct R 610E 3550Q2025a cover sensor 1 0 R 6921 6921 2001 RELAY ASSEMBLY REPLACEMENT PARTS LIST BUYER NAME LGD MODEL NAME 3995 LG REFERENCE GC 399SNQ CPIQLGD COLOR Pearl Inox R hoza __ 123 02005 fro cover assemsly To R e R losa esoo2o21w L s sss s s C C R ose R _ 3550 000020 f R o __ suPpoRTER ASSEMBLYLEG R oc __ hosa 525393002 R oss 4779193002 tGasstMeapusT R 500903032 caP coveR O R oes 5006 930380_ caP coven R oec 0003090 R ua 5029 10010 R o 4955 10056 CONTROL BOX ASSEWBIY A R 9951000
21. 08C_ MOTOR MECH COOLING pO R 501 687181022 PWB PCB ASSEMBLYMAIN R 5038 6871830018 PWB PCB ASSEMBLY DISPLAY R 550 02046 covERDUCT R 610E _ 3550 020254 ovERsSENSOR R 6921 6921 2001 RELAY ASSEMBLY PO REPLACEMENT PARTS LIST BUYER NAME LGD MODEL 35950 LG REFERENCE NO GC 359SQ CEWQLGD COLOR Euro White ___ 1024 3123020057 cover ASSEMBLY R ne 312210100 ToPcover FRONT 1 R fosa 3650Q2021A HANDLE BACK 0 0 0 0 0 0 R 3650020218 HANDLE BACK i R 35503000024 cover Lower 1 R fiosa j4osyosoona SUPPORTER ASSEMBLY LEG R SupPORTERLEG __ 00 j R fiosa _ 5251 030024 DRAIN ASSEMBLY PIPE Z_ R 4779 Q3002A LEG ASsEMBLYADJUST _____ _ R jsoogosoxa caecoveERk C j R __ 5 C j R joc jsoogososA CABCOVER R _ 5020 51001 R i204 __ 4995 01005 CONTROL ASSEMBLY R R 20 __ 4994 510020 contro Box 0 0 0 0 0 0 R __ 4940 JNoB DAMPER ___ R 1200 3550030098 cover Lame i R 120 _ 5209 Q1005B DUCT ASSEMBLY INSULATION 000000 0 R js59a2082A coven LED 00 0 i R 5 gjssegozona Rav ace ___ _
22. 180 s D101 A 1 4148 3 15 2 5101 Sw102 2 5103 VACATION FREEZER TEMP QUICK FREEZE KEY CONTROL KEY KEY I P75 so 1 CC6 I 4 DISPLAY PART The above circuit is to judge the operation conditions of function key and to light each function indicating LED It is operated by SCAN method 28 3 SENSOR RESISTANCE CHARACTERISTICS TABLE MEASURED TEMPERATURE RESISTANCE OF FREEZER SENSOR RESISTANCE OF DEFROST SENSOR ROOM TEMPERATURE SENSOR 20 C 22 3 77KQ 15 C 16 9kQ 60kQ 10 C 13 0kQ 47 3kQ 5 10 1kQ 38 4kO 0 C 7 8KQ 30kQ 5 6 2kQ 24 1kO 10 C 4 9kQ 19 5kQ 15 3 9 15 9kQ 20 C 3 1kQ 13kQ 25 C 2 5kQ 11k 30 C 2 0kQ 8 9kQ 40 C 1 4kQ 6 2kQ 50 C 0 8kQ 4 3kQ The tolerance of sensor resistance 15 5 Be sure to measure the sensor resistance after keeping the sensor more than minutes at a measuring temperature It needs delay due to sensor speed Measure the resistances of SENSORs with a digital tester after disconnecting CON 3 of MAIN PWB ASSY 29 4 MAIN PWB ASS Y AND PARTS LIST 1 MAIN PWB ASS Y D1 D2 D3 D4 CM1
23. 2 Both of the LOKRING is pushed up to the stop connection the tube ends have to be clean 3 The bending point is not too close to the LOKPREP is distributed all of out surface of 3 joint ending the tube ends 4 During the assembly it is important that both ends remain completely within the joint DRIER 1 Assemble the drier within 30min Don t keep the drier in a outdoors because ASM after unpacking humidity damages to it 4 2 Keep the unpacked drier at the temperature of 80 100 C VACUUM 1 When measuring with pirant Vacuum Apply M C Vacuum Gauge without fail gauge the charging M C vacuum Perform vacuum operation until a proper degree is within 1 Torr vacuum degree is built up 2 If the vacuum degree of the cycle inside is If a proper vacuum degree isn t built up 10 Torr below for low pressure and 20 Torr check the leakage from 5 for high pressure it says no vacuum the Cycle Pipe line part and leakage state Quick Coupler Connecting part 3 Vacuum degree of vacuum pump must be 0 05 Torr below after 5 min 4 Vacuum degree must be same to the value described item 2 above for more than 20 min DRY AND 1 The pressure of dry air must be more AIR han 12 16kg cm2 6 NITROGEN 2 ee must be more than GAS 3 Keep the pressure at 12 6kg cm also when substituting dry air for Nitrogen Gas NIPPLE 1 Check if gas leaks with soapy water Check if gas leaks from joint of the 7 AND 2 Replace Quick Couple
24. 600a COUPLE CHARGING HOSE THROTTLE VALVE Figure 4 WEIGH SCALE FILLING OR VALVE TO BE OPENED CHARGE TUBE WHEN REFILLING TO THE CHARGE TO THE REFRIGERATION YLINDER SYSTEM VALVE CLOSED AFTER VACUUM TO THE VACUUM PUMP Figure 5 Connect the charging hose that is connected to the refrigerant R600a cylinder to the Schrader valve installed on the service tube Then charge the refrigerant R600a by controlling the Throttle valve When you do so do not fully open the Throttle valve because it may make damage to the compressor Gradually charge the refrigerant R600a by changing open and close the Throttle Valve 5g at each time The charging hose must use a one way valve to prevent the refrigerant refluence Close the Schrader valve cap after the refrigerant R600a is completely recharged After you completely recharge the refrigerant R600a perform the leakage test by using a portable leakage detector or soapy water Test the low pressure suction parts in compressor off time and high pressure parts in compressor on time If the leakages are found restart from the refrigerant R600a discharging process and repairs defects of leaks After the leakage test check the temperature of each parts of the cycle Check with hands if the CONDENSER and the case HOT LINE pipe that is contacted to the door gasket are warm Confirm that frost is uniform distrib
25. 7A cOVERTRAY 2 L E R BANK OAIRY L 1 R 47751930028 J O R peo wemmc r R per 47751030028 2828770202 R 773702027 R s421j 00023 EVAPORATOR ASSEMBLY R ow sspaooia oa 2524j1002A COMPRESSOR ASSEMBLY 1 REPLACEMENT PARTS LIST BUYER NAME LGD MODEL NAME 3995 LG REFERENCE GC 399SNQ CPIQLGD COLOR Pearl Inox R 310A 3550 2149 ____________ _ DC110 MATSUSHITA R ___ 124 Soaqja3071a_ RUBBERSEAT oo R 3144 jo3277A ____ 15 3103 010068 ASSEMBLY STD muss __ 5 RoLLER 00 0 j R j usc pgezzosiz Pin oRawine 00 000 0 0 0 0 000 R za 5851020018 pRERASsEMBLY J o 00 0 0000 R 493903004 HotpERDRIER R s rrav oRI R j uec g4740106A cuDEFAN R 238 5403010264 cONDENSERASSEMBLYWIRE R 327a__ 504Q3006A_ RUBBER DAMPING o o 0 0 00 0 0 0 R 8A __ 4 2 RUBBERDAMPING 0 R 590 01003 FAN ASSEMBLY ___ R mec 159017010044 raNAssEMBLY 0 R 3308 _ 4999 Q2001A_ SHROUD ASSeMBLY F 0 0 0 00 0 0 R s324 135317020014 GRILLE ASSEMBLY FAN R 4680 1009 MOTOR MECH COOLING ____________ R sosa
26. 80J 1 4W 1 11 28 ORD1800H60B RCARBON FILM 1809 1 4W 1 2 00NC HOlR12 29 ORD1800H608 1800 1 4w SUNG YOR 31 3 PWB ASS Y DISPLAY AND PARTS LIST i NO DWG DESCRIPTION MATERIAL SPEC 29 TY 1A 1 6870JB2025 PWB DISPLAY FR 1 DS 1107A 6630JB8005B WAFER SMAW250 09 REMARK 6600 88004 S W KPT 1109R SW101 SW103 6600JB8005A TACT S W KPT 1105A Sw102 ODL300359AA LED SH30 RO3CA570GT 1415 ODD414809AA S W DIODE 1N4148 D101 D103 RT SENSOR JUMP WIRE 0 6 6mm J04 43607015 JUMP WIRE 0 6 10mm J02 J03 JUMP WIRE 0 6 12 5mm J01 49111001 SOLDER KR 19RMA 49111004 SOLDER LEAD BAR S63S B20 D 19 59333105 FLUX AUTO 2571 0 59 20 3 RT SENSOR D101 O J04 102 0102 O OD O 9 D 503 32 5 PWB circuit drawing The PWB circuit drawing may change without notice
27. ECTRIC COMPONENTS Cooling is impossible Compressor doesn t run gt Check if current flows to the following components Cause a Thermistor gt gt Poor contacting b Starting devices _ Shorted or broken c OLP gt Poor contacting or shorted d Compressor coil 3 Coil shorted e Circuit Parts Poor contacting o gt Replace each component or shorted Running state of gt Check a starting Compressor is poor voltage gt Low voltage Raise the voltage Check if current flows Poor contacting Replace gt to starting devices and broken each component Check current flowing P in sub coil of Shorted Compressor Check capacity of OLP 939 Lack of capacity The items described Coil of motor Replace gt above are normal gt Compressor the compressor Cooling ability is poor Fan motor Check current flowing gt in SWITCH DOOR gt Poor contacting Much frost are sticked to the EVAPORATOR Check current flowing in the FAN Replace each component Check current flowing of the following components THERMISTOR
28. LG REFRIGERATOR CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL GR 399 359 CONTENTS SAFETY PRECAUTIONS uuuuu au citri tesi re urs x a S RS FN ER ERE 2 SERVICING PRECAUTIONS natn inni n pA ER UR uuu 3 SPECIFICATIONS e HR 4 PARTS IDENTIFICATION M uuu uuu u 5 REPLACEMENT OF DOOR OPENING TYPE ll uuu lll luu I u 6 DISASSEMNBLY ua uuu ua a E 7 8 DOOR RR 7 DOOR SWITCH ipe rid i dei uem IM Lets 7 sabres tits svar 7 BizzslshgHrie mei 8 LAMP inaa 8 cista ska RAE OK REL EUR XR UR V OX IU DRE AR ERREUR 9 10 COMPRESSOR ate deep edet p adici eed 9 5 EN 9 OLP OVER LOAD PROTECTOR isis cis irte tei eterne dete ere ensi iil dee eie eit rere tham 10 CIRCUIT DIAGRAM 10 TROUBLESHOOTING U U U 11 16 COMPRESSOR AND ELECTRIC COMPONENTS 11 PUG AND OUP oo eee aee
29. P R MP KIND OF LOAD 59 FAN MOTOR DEFROSTING HEATER COMP COOLING FAN MEASURING POINT IC4 No 11 No 12 No 13 ON below 1 STATE OFF 12V If the DOOR R is opened during FAN MOTOR is operated FAN MOTOR is stopped immediately The of DOOR S W R is connected DOOR OPEN DETECTION CIRCUIT as follow If the DOOR R is opened or closed then the DOOR S W R is ON OFF and the LAMP R is ON OFF and at the same time S W of the B of DOOR S W R for detection of DOOR R open is ON OFF 2 DOOR OPENING PERCEPTION CHECK N ICI ae S P76 STOP INT5 cca 2K A R DOOR S W 223 INPUT a B NOTICE If you would change DOOR S W R must use the componenot of right PART NUMBER Because there is a similar type DOOR S W R of NOT MICOM MODEL it s logic of the of DOOR S W R is reversed MEASURING POINT NO 13 OF IC 1 MICOM REFRIGERATOR DOOR CLOSE 5V S W is OFF state OPEN OV S W is ON state Even though LAMP R is operated a normal ON OFF according to DOOR S W R but the MICOM couldn t detect a DOOR R opened or closed of lead wire of the is abnormal or S W of the of DOOR S W R is abnormal When DOOR R open isn t detected Even though DOOR R is opened FAN MOTOR couldn t stop When DOOR R close isn t detected Even though DOOR R is closed BUZZER sound
30. R oec jsoogososeA caecovER ____ 1 0 00 i R fisa jsonyjsroi1a PT R 0A 149957010056 coNTROLBOXASSEMBLYR 0 R __ 4994 510030 contRoLBoxR o R joc j4949yo3003 KNOB DAMPER R 3550030098 ior 520901005 ASSEMBLY INSULATION R __ 3550 20824 cover LED y __ R 5 gsseogozo1a Rav ace R 136a__ 3391 Q2011A TRAY ASSEMBLY DRAWER j 111 R i368 3391 02012 TRAY ASSEMBLY DRAWER I 4 4 4 4 8 f R i3ec 3391020128 TRAY ASSEMBLY DRAWER ___ R 3391Q2012C TRAY ASSEMBLY DRAWER 4 4 4 4 11 R 36E _ 5027 02006 SHELF ASSEMBLY R r 1 R ier 27 2007 sHELF ASSeMBLY R R soa __ 3390 51014 TRaPMEAT 00000 0 i R sc __ 97 20404 GUDERAIL R 151 _ 339420158 ASSEMBLY veGeTABLeE R i518 __ 3391 2015 TRAY ASSEMBLY VEGETABLE R 554 55 02013 ASSEMBLY T V i 2014 5433 02003 poor FOAMASSEMBLY F R 987 01012 oaskeTASSEMBLY DOOR 0 00 0 0 00 0 0 0 __ 2104 14810030198 Bracket Doorn 0 0 R 10 __ Bracket Door __ R 14 __ 5433 Q0010N Door FOAMASSEMBLY R R 49877010128 5 ASSemBLY DOOR 1 R ssa __ 390 02006 Rayees i R
31. TRAY ASSEMBLY DRAWER R 1 6 3391 Q2012A TRAY ASSEMBLY DRAWER isec 3391020128 TRAY je pseyozuzc TRAY ASSEMBLY DRAWER R ___ 136 5027 02006 SHELF AsseMBLY R 1 R jer F aos asia earmer R usc a974 a20a0a GUIDE RAIL si 3391JA2015B TRAY ASSEMBLY VEGETABLE s 330ja2015A_ TRAY ASSEMBLY VEGETABLE CS ss pssyozusa 5 R pou 02003 DOOR FOAM ASSEMBLY F _ 0 __ 4987101012 GASKET ASSEMBLY DOOR o T R ioa __ _____ s s R eijoxues mackerpoo T Cd R 231A 5433000096 DOOR Foam ASSEMBLY oOo TL IR 233A 4987 01012 GASKETASSEMBLY DOOR R ssa I W T R ja erga C C SX L Cd R lara __ 50000109 mskerpon IR 249 5075 02002 BANK ASSEMBLY DAIRY __ R 2495 R aec R pes __ 7 HINGE ASSEMBLY U __ R per __ 2 R pem __ pes la77502027a R ora 5421000234 EVAPORATOR R _3 __ 35500000
32. d FREEZE TEMP buttons togather in normal operation operates as follow If normal LEDs on the TOP COVER is all on RT SENSOR 20 If abnormal LEDs are all on except VACATION LED 9 FUNCTION TEST 1 Function to check the testing function of PCB and refrigerator and to find where the trouble 2 The test switch is on the MAIN PCB of refrigerator TEST FUNCTION is released and RESET after MAX 2hours regardless of TEST MODE 3 If the buttons on TOP COVER is pushed during TEST MODE Function is not operated and only BUZZER ring with DING DONG 4 After the end of TEST MODE pull out the power cord and plug it in again RESET 5 ERROR occurs during the TEST MODE TEST FUNCTION is released and DISPLAY LEDs represent ERROR CODE 6 If the TEST swithch is pushed during ERROR CODE TEST FUNCTION is not operated MODE OPERATION CONTENTS REMARKS TEST 1 Press TEST button 1 COMP OPERATES SUCCESSIVELY once 2 FAN OPERATES SUCCESSIVELY 3 DEFROSTING HEATER OFF 4 ALL DISPLAY LEDS ON TEST2 Press TEST button 1 COMP OFF If DEFROST HEATER once in the state of 2 FAN OFF is over 7 C it returns TEST MODE 1 3 DEFROST HEATER ON to the NORMAL STATE 4 ALL THE DISPLAY LEDS OFF EXCEPT QUICK FREEZE AND VACATION LEDS NORMAL Press TEST button Return to the initial condition Comp starts STATE once in the state of RESET after 7 minutes TEST MODE 2 LED Check Function
33. e 9 3 REFRIGERATOR ROOM LAMP 1 Remove the Cover Lamp by pulling with a type driver 2 Remove the Lamp by turning Refrigerator Door 1 Loosen hexagonal bolts fixing the center hinge Hinge C to the body to remove the refrigerator door only ES Bolt Figure 8 Figure 10 2 Pull out the Door Gasket to remove from the Door Foam Assy R 3 After removing the lamp you must check the O RING which is made by rubber and prevent electric spark in the socket 4 FAN AND FAN MOTOR Remove freezer drawers Remove two cap screws and loosen two screws in Grille Fan Pull out the Grille Fan and Shroud F Disconnect the housing of lead wire Separate the Fan Assy Losse 2 screw fixed to the Bracket Pull out Shroud F remove the Fan Motor Assy Separate the Motor Bracket and Rubber XL VL 1 2 3 4 5 6 7 8 FAN MOTOR Figure 11 5 DEFROST CONTROL ASSY Defrost Control Assy consists of Thermistor and Fuse Melting Thermistor functions to defrost automatically and it is attached to metal side of the Evaporator and senses temperature Fuse Melting is a kind of safety device for preventing overheating of the Heater when defrosting At the temperature of 72 C it stops the emission of heat from the Heater 1 Pull out the Shroud F after removing the Grille 2 Separate the connector connected with the Defrost Cont
34. e the QUICK FREEZING for 2 hours 3 If QUICK FREEZE button is pressed during defrosting the QUICK FREEZE LED is lit up But the QUICK FREEZING operates for 3 hours after 7 minutes from the end of defrosting 4 If VACATION button is pressed during the QUICK FREEZING the QUICK FREEZING LED function is released 5 If power off during the QUICK FREEZING and power on again the QUICK FREEZING function is released 3 VACATION FUNCTION 1 Function for Energy Saving As pressing the VACATION button the VACATION LED is displayed and this function is operated Freezer Compartment is not kept by compressor at the notch displayed but at 13 C differential Defrosting and Fan control is same as normal operation If QUICK FREEZE button is pressed during the VACATION FUNCTION VACATION FUNCTION is released If power off during the VACATION FUNCTION and power on again the VACATION FUNCTION is released 2 3 4 5 lt lt gt 18 4 DOOR OPENING ALARM 1 When the REFRIGERATOR DOOR is opened and won t be closed after 1 minute from the its opened BUZZER sounds to notify it 2 At frist BUZZER sounds three times at each intervals of 0 5 second Then makes a 0 5 second ON OFF alarm three times at intervals of 30 seconds 3 If the REFRIGERATOR door closed during ALARM it is released REFRIGERATOR DOOR BUZZER CLOSE OPEN CLOSE OPEN CLOSE three times three
35. eard and frost isn t temperature Normal cooling is possible don t cool formed when injecting of Refrigerant normally the regular amount PARTIAL Freeze room and Flowing sound of Refrigerant A little high Normal discharging of CLOG Refrigerator is heard and frost forms more than refrigerant e don t cool in inlet only ambient The capillary tube is faulty m normally temperature lt WHOLE Freezer room Flowing sound of Refrigerant Equal to ambient Normal discharging of 2 CLOG Refrigerator is not heard and frost isn t temperature Refrigerant don t cool formed MOISTURE Cooling operation Flowing sound of Refrigerant Low than Cooling operation restarts CLOG stops periodically is not heard and frost melts ambient when heating the inlet of temperature capillary tube Bo COMP Freezer and Low flowing sound of A little high The pressure of high zm RESSION Refrigerator Refrigerant is heard and than ambient pressure part in 3 m don t cool frost forms only temperature compressor is low mo NO COMP No compressing Flowing sound of Refrigerant Equal to ambient No pressure of high pressure om RESSION operation is not heard and no frost temperature part in the compressor Leakage Detection e Observe discharging point of refrigerant which may be in the oil discharging part in the compressor and hole of evaporator runs or not Whether Compressor YES
36. gerator Front Part are frozen Check if the control is set to cold position Set the control to mid position Is the ambient temperature below 5 C Set the control to warm position Dew or ice Is liquid food stored Seal up liquid foods with wrap forms in the Check if put in is hot Put in foods after cooled down chamber of Did you open the door of the set too Don t open the door too often and close the set often or check if the door is closed up it firmly Dew forms Check if ambient temperature and humidity Wipe dew with a dry cloth This occurrence in the Exterior Case of surroumcling air are high Is there gap in the door packed is solved naturally in low temperature and humidity Fill up the gap Abnormal noise generates Are the set positioned in a firm and even place Are any unnecessary objects set in the back side of the set Check if the Tray Drip is not firmly fixed Check if the cover of mechanical room in below and front side is taken out Adjust the Adjust Screw and position in the firm place Remove the objects Fix it firmly on the original position Place the cover at the original position To close the door is not hangy Check if the door packing is dirty with filth such as juice Is the set positioned in a firm and even place 15 too much food putted in the set Clean the door packing Position in the firm place and adjus
37. hed to Hermetic Compressor used for Refrigerator Show Case and starts Motor 2 Compressor for household refrigerator applies to single phase induction Motor For normal operation of the single phase induction motor in the starting operation flows in both main coil and sub coil After the starting is over the current in subcoil is cut off The proper features of PTC play all the above roles So PTC is used as a motor starting device 3 PTC Applied Circuit Diagram According to Starting Method for the Motor OVERLOAD PROTECTOR O L P COMPRESSOR MOTOR M s PTC STARTER HERMETIC TERMINAL RSIR RELAY ASSY Figure 19 4 Motor Restarting and PTC Cooling 1 For restarting after power off during normal Compressor Motor operation plug the power cord after 5 min for pressure balance of Refrigerating Cycle and PTC cooling 2 During normal operation of the Compressor Motor PTG elements generate heat continuously Therefore if PTC isn t cooled for a while after the power has been shut off Motor can t operate again 5 Relation of PTC Starter and OLP 1 If the power is off during operation of Compressor and the power is on before the PTC is cooled instant shut off within 2 min or reconnect a power plug due to misconnecting the PTC isn t cooled and a resistance value grows As a result current can t flow to the sub coil and the Motor can t operate and the OLP operates by flowing over current in only
38. hich motivates the internal local element of IC1 to transmit and receive an information and BASIC TIME for calculating time Use a proper form for OSC 1 Because in case that SPECIFICATION is changed the calculated time is changed IC1 isn t able to operate 3 RESET CIRCUIT R9 4 7K 27 T BMR 0101D 4 C 1 ccs L 104 T 104 FLT All the internal parts of MICOM IC1 return to the initial condition when the early power ON or apply power again in MICOM after temporary power failure As a result all the functions operate according to the early condition At the early period of power ON the LOW voltage is applied in the RESET terminal of MICOM for the fixed time The RESET terminal is 5V during the general operation 22 4 LOAD BUZZER OPERATION DOOR OPENING SENSING CIRCUIT 1 LOAD OPERATION CHECK 5 io 9 RE CORR 4 t 1 COMP RY1 IC4 oe OLP me START D6 pls 4 276 COOLING FAN MOTOR RY2 65 1 O 5 D7 FAN MOTOR 12 ox 5 5 p66 65 1 P65 AIN5 DIO H B 9 08 FUSE M L CORD HEATER Pws 4 13 4 6 2 SHEATH HEATER En 3 5 R DOOR S W LAM
39. in the main coil 2 While the OLP repeats on and off operation about 3 5 times PTC is cooled and Compressor Motor performs normal operation If OLP doesn t operate when is not cooled Compressor Motor is worn away and causes circuit short and fire Therefore use a properly fixed OLP without fail 6 Note to Use PTC Starter 1 Be careful not to allow over voltage and over current 2 No Strike Don t apply a forcible power or strike 3 Keep apart from any liquid If liquid such as oil or water away enter the PTC PTC materials it may break due to insulation breakdown of the material itself 4 Don t change PTC at your convenience Don t disassemble PTC and mold If the exterior to the PTC starter is damaged resistance value is altered and it may cause poor starting of the compressor motor may cause 5 Use a properly fixed CIRCUIT DIAGRAM CIRCUIT DIAGRAM DISPLAY CONTROL P W B AT SENSOR BN THE PLUG TYPE DEF SENSOR CAPACITOR PART COMPRESSOR EARTH F SENSOR PART ON CIRCUIT 5 DIAGRAM ARE SUBJECT PERCEPTION S TO CHANGE IN DIFFERENT LOCALITIES AND ACCORDANCE WITH MODEL TYPE WHEN STARTING CAPACITOR 9 8 IS NOT USED NO 3 4 OF PTC IL START IS CONNECTED INTERNALLY POWER SUPPLY CORD i RCIGNMLI I E 5j
40. matic Heater Defrost Pre Coated Metal DOOR POCKET Egg Tray 1 EA Little Pocket 3 EA DOOR FINISH or Vinyl Coated Metal Bottle Pocket 1 EA OUT CASE Painted Steel Sheet FREEZER Tray Drawer 4 EA INNER CASE ABS COMPARTMENT Ice Tray 1 EA INSULATION Polyurethane Foam COMPRESSOR PTC Starting Type DEFROSTING DEVICE Heater Sheath amp Heater Cord L EVAPORATOR Fin Tube Type REFRIGERANT R600a 60g CONDENSER Side amp Wire Condenser LUBRICATION OIL FREOL 10 280 cc Optional Parts PARTS IDENTIFICATION Freezer Temperature Control Removable Glass Shelf 2 or 3 Lamp Multi air Flow Duct Fresh Meat Keeper Optional Refrigerator Temperature Conirol Vegetable Drawer Used to keep fruits and vegetables etc fresh and crisp Ice Cube Tray Freezer Compartment Removable Plinth Egg Tray 1 or 2 Rotatable Door Basket 3 or 5 Utility Corner movable Bottle Holder 24 Bottle Door Basket Leveling Screw NOTE This is a basic model The shape of refrigerator is subject to change REPLACEMENT OF DOOR OPENING TYPE 1 PRECAUTION 1 Before reversing the door first of all you should take out food and accessories like shelves or trays which are not fixed in the refrigerator 2 Use Torque Wrench or Spanner to fix or remo
41. mpressor is Composed of Compressor Apparatus compressing gas Compressor Motor moving Compressor Apparatus and Case protecting Compressor Apparatus and Motor There is Relay Assy one set of PTC Starter and Over Load Protector OLP in Compressor On the other hand because the Compressor consists of 1 1000mm processing precision components and is sealed after production in absence of dust or humidity deal and repair with care 3 Note for Usage 1 Be careful not to allow over voltage and over current 2 No Strike If applying forcible power or strike dropping or careless dealing poor operation and noise may occur 3 Use proper electric components appropriate to the Compressor 4 Note to Keep Compressor If Compressor gets wet in the rain and rust in the pin of Hermetic Terminal the result may be poor operation and poor contact may cause 5 Be careful that dust humidity and flux welding don t inflow in the Compressor inside in replacing the Compressor Dust humidity and flux due to welding which inflows to Cylinder may cause lockage and noise 2 PTC STARTER 1 Composition of PTC Starter 1 PTC Positive Temperature Coefficient is a no contact semiconductor starting device which uses ceramic material and this material consists of BaTiOs 2 The higher the temperature is the higher becomes the resistance value These features are used as starting device for the Motor 2 Role of PTC Starter 1 PTC is attac
42. ning instant power on and off Check if applying a regular OLP Replace Relay Assy Measure minimum starting voltage after 5 min for balancing cycle pressure and cooling the PTC Components start in the voltage of Rating Voltage 10 below Check starting state siie 2 RELAY ASSY AND OLP Normal operation of Compressor is impossible or poor Separate the Relay Assy from Compressor and measure the resistance between M and S witha Tester or Whistone Bridge Figure 21 Observation value is 220V 50Hz 220 30 115V 60Hz 6 80 30 240V 50Hz 330 30 127 220V 60Hz 220 30 The resistance value is 0 or serveral hundreds Q Separate the Relay Assy YES from the Compressor and check the resistance value between two terminals of OLP with a Tester Figure 22 Figure 21 12 The value is Check another electric components NO Replace Relay Assy Check another electric components Replace Relay Assy Figure 22 B o fous gt ELC 5 3 3 ANOTHER EL
43. o R __ kNOB DAMPER R zoo 3550 930098 covERUMP R ot __ 5 gt 09 05 DUCT ASSEMBLY INSULATION _ R po coventeD R hsa mayick s s sd sC C 5 3391 q2011A_ TRAY ASSEWBLY DRAWER IR 1368 3391 02012A TRAYASSEMBLY DRAWER R sec TRAY ASSEMALY DRAWER R 3394 92012c_ TRAY ASSEMBLY DRAWER O o _ R set _ 027 0200 sHELF assem R ser __ 027 2 sHELF assemeLy R TL R ao _ R asc louper T R __ 2 5 IRAY ASSEMBLY VEGETABLE ss seyazorsa TRAY ASSEMBLY VEGETABLE R ssa __ _ SSCS id R _ 2 DOOR roam assem _ GASKET ASSEMBLY DOOR F no R no ae10 930198 231 5433 Q0010m DOORFOAMASSEMBU R ssa _ 7 128 F raresa R ps7 __ ao7ajaz020a_ cuibesome R 241 500gD1098 BaskenboOR J R aic __ _ R aos __ 075 202A BANK ASSEMBLY DAIRY Too R 2495 3550 A108
44. on place Must be well ventilated Must be 20 m or larger Must be no smoking area No ignitable factors must be present Utilities Refrigerant cylinder MAX NET 300g Manometer Vacuum pump 600 4 min Piercing Clamp Quick coupler Hoses 5m 1EA 1m 3EA LOKRING Portable Leakage detector 39 yearl Nitrogen cylinder for leakage test Concentration gauge Make sure before Servicing Refrigerant Confirm the refrigerant by checking Name Plate and the label on the compressor after opening the COVER ASSY If the refrigerant is R600a you must not weld or apply heat source Air Recharging in Compressor Before refilling the refrigerant you must perform the test according to Chapter 5 TROUBLESHOOTING CHART When the defects are found you must discharge the residual refrigerant R600a in the outdoor For discharging the refrigerant R600a break the narrow portion of tube extension by hand or with a pipe cutter as shown in Figure 1 Leave it for 30min in outside to stabilize the pressure with ambient Then check the pressure by piercing the dryer part with piercing pliers If the refrigerant is not completely discharged let the refrigerator alone for more 30min in outside POINT TO BE CHARGE TUBE BROKEN EXTENSION SCHRADER VALVE ONE WAY VALVE SERVICE TUBE EXTENSION LOKRING Figure 1 Figure 2 Attach the service tube installed with a Schrader valve one
45. r checking the refrigerator R17 4 7K l_ TEST O 25 7 TEMPERATURE COMPENSATION RIO FREEZER TEMPERATURE COMPENSATION 8 Lj FREEZER ROOM RESISTANCE VALUES R1 TEMPERATURE COMPENSATION REMARKS 180 kQ 5 0 COMPENSATE WARMLY 56 4 0 33 3 0 18 2 0 12 41 090 10 0 STANDARD 8 2 1 0 5 6 KQ 2 0 3 3 3 0 2 4 0 4700 5 0 COMPENSATE COOLLY TEMPERATURE COMPENSATION TABLE by adjusting resistance values the temp difference compared to the present temp eg If the compensation resistance of freezer compartment is changed from 10K present resistance to 18K revised resistance the temp of freezer compartment goes up by 2 C 26 TEMPERATURE COMPENSATION OF FREEZER ROOM Revised resistance 4709 2kQ 3 3kQ 5 6kQ 8 2kQ 10kQ 12kQ 18kQ 56kQ 180kQ Present resistance NOT 470Q COMPRISE 1927 2cT 3 T 47 5 6 7CT 8C 9 C 10 CT NOT 2kQ 141 1927 2 T 3 4 5 6 7 C 8 C 9 C NOT 3 3kQ 228 1 Cl 1927 2 4 C 5
46. r in case of leakage Coupler COUPLER PIPE Put all Joint Pipes in a clean box and 8 cover tightly with the lid so that dust or humidity is not inserted 16 LOKRING LOKRING JOINT Figure 23 LOKRING _ ASSEMBLY JAWS Figure 24 LOKRING TOOL FUNCTION amp PCB CIRCUIT EXPLANATION This description is made for GR 349 389SQ Please refer to overall PCB circuits for other models 1 FUNCTION EXPOSITION 1 FUNCTION 1 The refrigerator starts from optimum condition when electric power is first on But the operation condition changes Mid Mid Max gt Min gt Min Mid Mid whenever pressing the FREEZE TEMP button 2 It returns to Mid conditions if power off and on again FREEZE TEMP QUICK FREEZE Co VACATION Co Mid wn om mes pes oe ms gt FREEZER 2 QUICK FREEZER 1 Function to raise the freezing speed by operating the COMP successively As pressing the QUICK FREEZE button the QUICK FREEZE LED is displayed Then after 3 hours successive operation of COMP the QUICK FREEZING function will be released 2 Defrosting During the QUICK FREEZING operates as follow When the QUICK FREEZING time is below 90 minutes defrost and then operate the QUICK FREEZING for the remaining time When the QUICK FREEZING time is over 90 minutes defrost and then operat
47. rol Assy and replace new one 6 DAMPER CONTROL 1 Remove the Cover Lamp R and loosen 2 screw 2 Pull the Control Box R and separate the lead wire housing Remove the Cover Lamp R Separate the Insulation Multi Duct and Control Box R Disassemble the Knob Separate the Damper Control and Control Box R Separate the Damper Control and Resistor 3 4 5 6 7 8 Disconnect the lead wire gt 5 4 5 REFRIGERATOR ROOM LAMP Figure 13 7 HEATER SHEATH amp HEATER CORD L In this refrigerator Heater Sheath amp Heater Cord L are used for defrosting heater During heating the temperature of heater rises about 300 350 C Therefore be careful not to burn while servicing 1 After removing the Grille and Shroud separate the Heater Sheath by disconnecting the connectors 2 Exchanged Heater Sheath and connected the housing Thermister Fuse Melting Figure 12 Heater Cord L Figure 14 3 If the Heater Cord L is defected disconnect the connectors and separate the Heater Cord L with Long Nose 4 Replace and assembly the Heater Cord L and connect the connectors ADJUSTMENT 1 COMPRESSOR 1 Role The compressor intakes low temperature and low pressure gas evaporated from Evaporator of the Refrigerator and condenses this gas to high temperature and high pressure gas and then plays delivering role to Condenser 2 Composition The Co
48. s a DOOR OPEN ALARM check a lead wire of the B and DOOR S W R 23 3 BUZZER OPERATION CHECK 2 66khz piNG 2 232khz poNG 23 lt R3 gt 1 P13 DVO R18 1K Q4 L 220 KRA106M BUZZER R4 t CES 1K 47uF Q5 1 25 KRC106M P14 PPG c em DISPLAY FUNCTION BUTTON RING DOOR OPEN ALARM OFF POINT DING DONG SCREECHING 10 055 025 1 0 151 1s 05s 0 55 p IC1 No 23 Pin EMEN 5V J ov OV 1 5V I i IC1 No 22 Pin ov Ld ov i i 24 a OFF ue 5 TEMP SENSOR CIRCUITS The above circuit reads the surrounding temperature DEFROSTING temperature and FREEZER ROOM temperature into MICOM IC1 OPEN or SHORT state of each SENSOR is as follows CON2 CON101 RF3 8 8 ew ICA 26 1KF RT SENSOR AINO 2K 97 9 223 7 777 a CON3 p61 hio R16 26 1KF AIN1 2K __ 5 223 T 1 2 ae RF1 p62 R15 16 2KF 3 AIN2 2K 225 F SENSOR SENSOR CHECK POINT NORMAL 30 C 50 C SHORT OPEN ROOM TEMPERATURE SENSOR POINT Voltage DEFROST SENSOR POINT GYVoltage 5V FREEZER SENSOR POINT 6 SWITCH INPUT CIRCUIT The following circuit is a test switch input circuit fo
49. t the Adjust Screw Keep foods not to reach the door Ice and foods smell unpleasant Check if the inside of the set is dirty Did you keep smelly foods without wrapping It smells of plastic Clean the inside of the set Wrap smelly foods The new products smells of plastic but it is eliminated after 1 2 weeks e In addition to the items described left refer to the followings to solve the complaint Check if dew forms in Defrosting p bi the Freezer is poor Components defrosting circuit Check Refrigerating The cycle Cycle gt is faulty Check the ne Operation Replace the D Control E 6 Pamper Damper Control amper Control is poor amper vonto 14 5 REFRIGERATING CYCLE Troubleshooting Chart STATE OF STATE OF THE TEMPERATURE RENARE THE SET EVAPORATOR OF THE COMPRESSOR PARTIAL Freezer room and Low flowing sound of A little high little Refrigerant LEAKAGE Refrigerator Refrigerant is heard and more than discharges don t cool frost forms in inlet only ambient Normal cooling is possible m normally temperature when injecting of Refrigerant the regular amount gt WHOLE Freezer room and Flowing sound of Refrigerant Equal to ambient No discharging of Refrigerant LEAKAGE Refrigerator is not h
50. te te mnc RH AME Edo iiti esi ser PEE 12 ANOTHER ELECTRIC COMPONENT iioii eG ets et ERES ENS ERN REC ed 13 SERVICE DIAGNOSIS CHART ehh t o eere Ri ls t A eed ua eel iw teet deas 14 REFRIGERATING GYGLE e e teet n Ee a e Ein en eiie 15 16 FUNCTION amp PCB CIRCUIT EXPLANATION 17 34 EXPLODED VIEW M 35 38 REPLACEMENT PARTS TEQUE KR ACA 39 SAFETY PRECAUTIONS Please read the following instructions before servicing your refrigerator 1 Check the set for electric losses 8 When tilting the set remove any materials on the set 2 Unplug prior to servcing to prevent electric shock especially the thin plates ex Glass shelf or books 3 Whenever testing with power on wear rubber gloves to 9 When servicing the evaporator wear cotton gloves prevent electric shock This is to prevent injuries from the sharp evaporator fins 4 If you use any kind of appliance check regular current voltage and capacity 10 Leave the disassembly of the refrigerating cycle to a specialized service center The gas inside the circuit may pollute the environment 11 When you discharge the refrigerant wear the protective safety glasses or goggle for eye safety 12 When you repair the cycle
51. uted on the surface of the EVAPORATOR SPECIFICATIONS 1 Ref No GR 399 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 595 W x626 D x1880 H Transparent Shelf 3 EA NET WEIGHT kg 74 REFRIGERATOR Vegetable Container 2 EA COOLING SYSTEM Fan Cooling COMPARTMENT Vegetable Container Cover 1 EA TEMPERATURE REFRIGERATOR Knob Dial Chilled Container 1 EA CONTROL FREEZER Button Dairy Pocket Cover 1 EA DEFROSTING SYSTEM Full Automatic Heater Defrost Pre Coated Metal DOOR POCKET Egg Tray 2 EA Little Pocket 5 EA DOOR FINISH or Vinyl Coated Metal Bottle Pocket 1 EA OUT CASE Painted Steel Sheet FREEZER Tray Drawer 4 EA INNER CASE ABS COMPARTMENT Ice Tray 1 EA INSULATION Polyurethane Foam COMPRESSOR PTC Starting Type DEFROSTING DEVICE Heater Sheath amp Heater Cord L EVAPORATOR Fin Tube Type REFRIGERANT R600a 60g CONDENSER Side amp Wire Condenser LUBRICATION OIL FREOL 10 280 cc Optional Parts 2 Ref No GR 359 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 595 W x626 D x1710 H Transparent Shelf 2 EA NET WEIGHT kg 69 REFRIGERATOR Vegetable Container 2 EA COOLING SYSTEM Fan Cooling COMPARTMENT Vegetable Container Cover 1 EA TEMPERATURE REFRIGERATOR Knob Dial Chilled Container 1 EA CONTROL FREEZER Button Dairy Pocket Cover 1 EA DEFROSTING SYSTEM Full Auto
52. ve the bolt 3 Don t lay the refrigerator down in working with it it will cause to get out of order 4 Be careful not to drop the door in disassembling or assembling the freezer or the refrigerator door 2 HOW TO REVERSE THE DOORS 1 Seperate screw and remove lower cover and move cap lower cover And seperate screw lower hinge and remove Separating the freezer door opening and more the position the cap Move the position of bracket door and screw 2 Separating screw and remove the center hinge and the refrigerator door Move the position of Move the position of bracket door and screw 3 Move the position of upper hinge and cap Assemble the refrigerator door Assemble center hinge and bolt Assemble freezer door Assemble the lower hinge bolt and lower cover DISASSEMBLY 1 DOOR Freezer Door 1 Loosen 2 screws and pull the Lower Cover 2 Loosen hexagonal bolts fixing the lower hinge to the body to remove the freezer door only Lower Hinge Figure 6 3 Pull out the Door Gasket to remover from the Door Foam Assy F GASKET Figure 7 2 DOOR SWITCH 1 Loosen four screws in upper part and disconnect top cover 2 Disconnect Lead Wire from switch 3 Disengage hook behind the switch by pressing it with hands Figur
53. way valve by using the LOKRING Figure 2 Then connect the Schrader valve one way valve to the pump that is connected to the discharging hose leading to the outside When discharging the residual refrigerant repeat 3 cycle that includes 3min of the pump running gt pump off gt 30sec of the compressor running After the refrigerant R600a is completely discharged repair any defective parts and replace the dryer At any case you must use the LOKRING for connecting or replacing any part in the cycle No Fire No Welding Connect the Schrader valve to pump with the coupler And then turn the pump on for vacuum state Figure 3 Let the pump run until the low pressure gauge indicates the vacuum gauge pressure 0 absolute pressure 1atm or 760mmHg Recommended vacuum time is 30 min Charge the gas in order to check for leakage from welding points and the LOKRING If leakages are found repair the defects and repeat the vacuum process ae TO THE VACUUM PUMP Mw GAUGE ms Figure 3 After the system is completely vacuumed fill it with the refrigerant R600a up to what has been specified at your refrigerator Name Plate The amount of refrigerant R600a must be precisely measured within the error of 2g by an electron scale Figure 4 If you use the manifold connected with both the refrigerant R600a cylinder and the vacuum pump simultaneously make sure the pump valve is closed Figure 5 REFRIGERANT R

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