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REFRIGERATOR SERVICE MANUAL

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1. Freezer Refrigerator Compartment Compartment a m aD gt Conversion Switch Meats Vegetables 13 Humidity Switch Water Tube Milk product corner Lamp Shelf Door rack Wine holder optional Egg Box Snack drawer Refreshment center optional Shelf Door rack Vegetable drawer Vegetable drawer Meat drawer PARTS IDENTIFICATION 3 Ref No GR L247ER GR L207ER Frame Display Dispenser Lamp Ice amp Water Dispenser Button Door rack Automatic ice maker Lamp Shelf Steel T Glass Drawer or Shelf optional Drawer Door rack Lower Cover Cover Hinge eer 912 IL Freezer Refrigerator Compartment Compartment SSS m aD a e 2 6 Conversion Switch Meats Vegetables 14 Humidity Switch i gt Water Tube Milk product corner Lamp Shelf Door rack Wine holder optional Egg Box Snack drawer Guide bottle Shelf Door rack Vegetable drawer Vegetable drawer Meat drawer PARTS IDENTIFICATION 4 Ref No GR L247EQ GR L207EQ Frame Display
2. CON CONS x 47 R38 2K 47 5 5 P46 x i 5 e DOOR S W T Fis mo T I MICOM MICOM 15 ps CON6 H BAR DOOR S W 46 m De 9 R DOOR S W pas x 3 s w d J ee Measuring part Door of Freezing Cold Storage Room No 47 46 Pin 5V amp SW at both ends are at Off status 5V amp S W at both ends are at On status Closing Opening Since door switch sensing switch A B are a separate switch even if the door switch of the freezing room normally operates they may fail to sense door opening in the failure of switch at both ends of A and B or in failure of the L wire Lamp does at the cold storage room not turn on if the door switch of the cold storage room fails to sense the door open switch c d or the home bar switch 36 FOR MICOM CIRCUIT 1 5 Temperature sensing circuit 1 GR L207ERA GR L247ERA P67 RT SNR 7 m 5 2K ER RFI CON7 R30 16 2 P66 62 1 F SENSOR AIN6 Seal 2K 104 T RDI 2 n R31 26 1KF an 5 D SENSOR AIN5 CC15 L 104 T 14
3. 108 108 EXPLODED VIEW E 109 REPLACEMENT PARTS LIST visssascistesasnansssscnscsnensaantavensinsnanasiaaaansnesnaseanhensaaaieadanavasnsiasnanaiaoednatnnistaisnteesiaveanseadnangncionaanansiesn 118 WARNINGS AND PRECAUTIONS FOR SAFETY Please observe the following safety precautions in order to use safely and correctly the refrigerator and to prevent accident and danger during repair Be care of an electric shock Disconnect power cord from wall outlet and wait for more than three minutes before replacing PWB parts Shut off the power whenever replacing and repairing electric components When connecting power cord please wait for more than five minutes after power cord was disconnected from the wall outlet Please check if the power plug is pressed down by the refrigerator against the wall If the power plug was damaged it may cause fire or electric shock If the wall outlet is over loaded it may cause fire Please use its own individual electrical outlet for the refrigerator Please make sure the outlet is properly earthed particularly in wet or damp area Use standard electrical components when replacing them Make sure the hook is correctly engaged Remove dust and foreign materials from the housing and connecting parts
4. lt Front View gt 11 660 711 755 1133 5 lt Plane View gt PARTS IDENTIFICATION 1 Ref No GR P247ER GR P207ER Frame Display Dispenser Lamp Ice amp Water Dispenser Button Home Bar Door rack Automatic ice maker Lamp Shelf Steel T Glass Drawer or Shelf optional Drawer Door rack Lower Cover Cover Hinge Cover PWB Freezer Refrigerator Compartment Compartment Dun E Conversion Switch Meats Vegetables 12 Humidity Switch i gt Water Tube Milk product corner Lamp Shelf Door rack Wine holder optional Egg Box Snack drawer Refreshment center optional Shelf Door rack Vegetable drawer Vegetable drawer Meat drawer PARTS IDENTIFICATION 2 Ref No GR P247EQ GR P207EQ Frame Display Dispenser Lamp Ice amp Water Dispenser Button Home Bar Door rack Automatic ice maker Lamp Shelf Steel T Glass Drawer or Shelf optional Drawer Door rack Lower Cover Cover Hinge Cover PWB
5. 0 0 5 o gt CHAUFFAGE PLAQUE CON101 CONDUITE PORTE SOLENOIDE BO GY GLACE o SB MOTEUR AUGER 69 qv 0 Jojo 5 RD APPLICATION FUSIBLE PARTIE OPTION BN SOLENOIDE CUBE FUSIBLE 00 100 127V 220 240V DE FUSIBLE 280 15 CHAUFFAGE PLAQUE RESERVOIR EAU BK BLACK SCHWARZ BN BROWN BRAUN BO BRIGHT ORANGE HELL ORANGE GY GRAY GRAU DISPENSOR HBAR PILOT VALVE YL YELLOW GELB GN GREEN GRUN PR PURPLE PURPUR WH WHITE WEISS Model Application 4 o SB SKY BLUE HIMMELBLAU PK PINK ROSA GN YL GREEN YELLOW GRUN GELB BL WH BLUE WHITE BLAU WEIS ex GR 207E WHIBK WHITEIBLACK WEISS SCHWARZ WH RD WHITE RED WEISS ROT RD WH RED WHITE ROT WEISS 3854JD1054C 64 TROUBLE DIAGNOSIS 1 TROUBLE SHOOTING CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 1 Faulty start 1 No power on outlet 2 No
6. o CONTACT PORTE BAR RD N D APPARTEMENT A LA TERRE COMPRESSEUR ERBE FIG RDAVHIN RD WHIN S W CHAUFFAGE CHAUFFAGE PLAQUE DISTRIBUTEUR DISTRIBUTEUR UL n CHAUFFAGE HABILLAGE e TL FUSIBLE 72 C CHAUFFAGE CABLE L RD WHIN NI O or po a Em En o alo CAPTEUR R1 u PERCEPTION OUVERTURE PORTE BAR D APPARTEMENT CHAUFFAGE PLAQUE MODERATEUR Jl WH N L LAMPE DISTRIBUTEUR 4 00100 lt 20 00 2 BL MOTEUR FABRIQUE DE GLACE CHAUFFAGE CABLE BAR DIAPPARTEMENT BL JIPARTIE BAR D APPARTEMENT S W DE TEST C FABRIQUE DE GLACE BL SOLENOIDE WH N BL BO DISTRIBUTEUR So S W NIVEAU DISTRIBUTEUR S W D ARRET FABRIQUE DE GLACE CAPTEUR FABRIQUE DE GLACE GROUPE PWB 9 CONTACT PORTE R ECRAN
7. ar STR rc 6655 INR IHN i TABI A 9 POWER 1 x 3 4 5 zl oO B 9 9 11 RY3 8 1218 7 p eS ES FUSE MEL TING 72 C DER HEATER H BAR R Fooo RYS 1 oH RYS 1 H BAR HEATER M BLOCH 15 CST4 00MGW EURO 1 JUMP WRE CUT ezza P70 R48 R48 R50 4 7K1 4 7KT 4 7K 19 98 WIRE DOMESTIC NON DOMESTIC 5 men sm 20 P3 104 55 FOR CIRCUIT CON101 un amp B PWB_ASS Y DISPLAY P67 cnl 104 T R36 pm pes 62 ee F SENSOR 2 2 R37 26 1KF pes 61 D SENSOR E 104 R39 4 pag 47 R38 2k s F DOOR S W 6
8. PWB ASS Y DISPLAY 45 FOR MICOM CIRCUIT 2 Compensation circuit for weak cold over cold at freezing room 1 GR L207ERA GR L247ERA 2 GR B207ERA GR B247ERA wig m R15 mK MICOM MICOM R18 R16 wis R19 AN R17 10K 10K R20 JCR3 R1B 10K 1 10K R21 R19 10K JCR4 10K Temperature compensation in CUT JCR1 1 C 2 JCR2 1 C JCR3 1 C 2 9 JCR4 1 C Compensation Compensation for weak cold for over cold value Remarks JCR3 JCR4 JCR1 JCR2 dM TAON 656 0 In shipment from factory CUT 1 5 1 C 5 CUT 6 5 41 6 5 5 CUT 1 CUT CUT 66 2 6 CUT GUT 2 CUT 56 CUT 56 0 CUT 5 CUT 0 CUT CUT 56 0 56 CUT 596 CUT 0 CUT CUT CUT 6 1 C CUT CUT CUT 1 C CUT CUT CUT CUT 0 C gt The above option circuit is a circuit to compensate for temperature at the cold storage room by simply cutting in service FOR MICOM CIRCUIT ist diagram and 3 PWB parts 3 1 PWB Ass y main part diagram 1 GR L207ERA GR L247ERA Ti ini 5 m am _ xr WT
9. 1 3 6630JB8001A 0 11 0 3 2 CON4 1 49 0CE2287H690 2200uF 25V_ SAM HWA CE4 4 66304880010 JE202 1T 11 CON2 1 50 Joceto7aH610 100uF 50 2 5 2 51 0 227 638 ne oi rt 220uF 25V RUBYCON cCE6 7 6 66504880016 JE202 1T 04 EUN 1 52 occa7eaveso 02 19 47 450 SAM HWA CE1 1 02047321430 7 53 cei 4727630V Sen 8 66304880017 EXOT 245 5D CONS 54 0C02241N630 224 100V CC4 9 6650 880010 89 2154 CON3 1 55 ock22102510 cer capacitor 221 2KV cc2 10 ATER Toizaes en CON6 1 56 Jock471DK96A 471 50V cct 11 6630J88010A 917791 1 13P CONB 22 57 JOCKIO4DK9BA CER CAPACITOR 104 50V 5 HWA CC5 16 21 30 SUD 2012 12 6630 88007J 917788 1 10P CONS 2 58 102 50V CC18 20 13 lesson aratia 2 59 0 2230 9 223 50 CC17 19 1 60 0CF33408670 330nF 275 CM1 pzzuB2009A 1 1 022 820098 61 FILM CAPACITOR PILKOR 15 MICOM CHIP TMP87C841N TOSHIBA 62 72408870 275VAC KIA78005AP K E C ics 65 16 0 7805002 REGULATOR 2 64 0855602 600 56K 2W R3 9 KIA7042AP 1 65 08515034609 150K 1W R1 17 OKE7042008 RESET KEC cg 7 R OXIDE FILM 650030 KID65003AF K E C 1 67 0850101608 1 1W ROCP 18 DRIVE IC 1 6 7 68 roy 74008 7774 OSTA 1 69 00682 609 68J 1 2W R65 19 N
10. temperature sensor Sensor is cut or short circuited 9 Abnormal icemaker Note 1 Icemaker sensor is cut or short sensor circuited 10 Abnormal icemaker Note 1 Fauity motor or hall IC in O Standard O O O unit icemaker unit Lead wire is cut or RPM shotr circuited Faulty motor driving circuits 29 FUNCTION Note1 The abnormality of RT Sensor R2 Sensor Unit Icemaker Sensor is not indicated in trouble code but it is indicated when checking LED when pressing both freezer temperature control button and refrigerator temperature control button for more than 1 second at the same time r RT Sensor R2 Sensor Normal A LED on Normal B LED Normal LED on Normal D LED on Abnormal A LED Off Abnormal B LED Off Abnormal C LED Off Abnormal D LED Off The rest of LEDs Icemaker Unit are all on cemaker Sensor 2 16 Test Function 1 The purpose of test function is to check function of the PCB and product and to search for the failure part at the failure status 2 Test button is placed on the main PCB of refrigerator test switch and the test mode will be finished after maximum 2 hours irrespective of test mode and then is reset to the normal status 3 Function adjustment button is not perceived during performance of test mode but only warning sounds ring 4 In finish
11. N oJ pos Handle Piece 3 SHROUD GRILLE FAN 1 Loosen two screws after disconnecting a cap screw of a grille fan U with a balde screwdriver 2 Disassembly of a grille fan U Pull forward after opening hook at gt part with blade screwdriver 3 Disconnect housing of a grille fan L from the main body 4 Disassembly of a grille fan L Hold upper part of a grille fan L and pull forward carefully 5 Loosen two screws 6 Disassembly of shroud F U Disconnect housing of B after removing two rail guides with a blade screwdriver 7 Disassembly of shroud F U Hold upper part and pull forward 8 Check foam PU sticking conditions around a shroud F U and F L during assembling If damaged torn or badly sticked assemble with a new one after sealing well 4 ICEMAKER ASSY 1 Dispenser Model 1 How to disassemble 1 Remove ice bank from the freezer compartment 2 Loosen two screws on the upper part of icemaker bracket 3 Disconnect icemaker bracket so that it can slide forward 4 Disconnect icemaker housing and sensor housing 5 Disconnect icemaker horizontally by pressing bracket hook part Don t disassemble further The set value may be changed 2 How to assemble The assembly is the reverse order of the above disassembly Bracket Ice Maker Note When the ice tray is not horizontal after assembly assembly must be wrong Check and assemble again
12. 4 2 Remove freezer door 4 Lift up the freezer door Q in arrow direction and disconnect the door from the lower hinge 2 Don t pull a door forward 1 Loosen hinge cover screw of freezer door and remove cover Disconnect all connecting lines except earthing cord Cover Hinge Connecting Line Earthing Cord 2 Turn hinge lever in arrow direction until it is loosened and take it out in arrow B direction Note Lift up a freezer door until a water supply tube is fully taken out Lever Hinge 5 Assembly is the reverse order of disassembly Note When disconnecting refrigerator door turn hinge lever counterclockwise f hinge lever or bracket hinge pin is deformed during assembling freezer and refrigerator doors fix two screws Tap Tite Screw M6 Hinge L fixing screw in the hole of upper hinge 104 HOW DISASSEMBLE AND ASSEMBLE 2 HANDLE 1 Put blade screwdriver into a groove on the side of a Deco handle and lift up a little bit in arrow direction and push up with hand in arrow 2 direction and disconnect Handle Deco 2 Put blade screwdriver into a groove on the side of a DECO handle and lift up in arrow direction and push down with hand in arrow direction and disconnect 3 Push up a piece handle 3 in arrow direction with hand and disconnect 4 Turn screw in arrow direction with a cross driver and disconnect
13. Defective refrigerator sensor Defective refrigerator sensor parts Check the resistance of refrigerator sensor with a tester Replace refrigerator sensor Refer to sensor resistance characteristic table in circuit explanation Refrigerator sensor is substituted for other sensor Check the sensor color in the circuit main PCB sensor housing Repair main PCB sensor housing Defective refrigerator sensor assembly condition Check if refrigerator sensor is not fixed at cover sensor but inner case visually Fix again the refrigerator sensor SISONSVIG 31sNnOdL 06 Problems Symptom Causes Checks Measures Remarks Bad defrost Defrost is not Defrost lead wire is cut Check if defrost lead wire is cut with a Reconnect Lead working tester Wire Defective defrost driving relay Check the voltage of 5 1 and 7 Replace relay RY 7 Refer to load with a tester after pressing main and RY 14 or PCB driving conditions PCB test switch twice check in circuit If the voltage is normal then it is OK explanation Defective defrost sensor parts Check the resistance of defrost sensor Replace defrost Refer to sensor with a tester sensor resistance characteristic table of circuit explanation Defective Buzzer Defective connecting lead wire from Check lead wire related to door Repair lead wire buzzer contin
14. Bad water ice dispenser Ice and water are not dispensed Defective connecting lead wire from Main PCB to lever switch Check Lead Wire associated with lever switch with a tester Repair lead wire with dispenser Defective lever switch parts Refer to door switch in parts repair guide Replace lever switch Defective photo coupler IC parts Check voltage change at photo coupler output terminals with lever switch pressed It is OK if voltage change is between OV 5V Replace photo coupler IC or PCB Defective relay associated with ice dispense geared motor cube and dispenser solenoid Check relay RY9 RY11 RY12 with a tester Replace defective relay Defective parts associated with ice dispense geared motor cube and dispenser solenoid Check resistance of parts with a tester Replace defective parts Defective relay associated with water dispense Check relay RY10 with a tester Replace defective relay Defective parts associated with water dispenser Check resistance of parts with a tester Replace defective parts SISONSVIG 31sNnOdL TROUBLE DIAGNOSIS 3 Cooling Cycle Heavy Repair 3 1 The Heavy Repair Standards for Refrigerator with R134a Refrigerant NO Items Unit Standards Purposes Remarks 1 Pipe and piping Min Pipe within 1 hour To protect The opening time
15. Aged rubber seat Badtorque for assembling motor bracket Sounds from fan Fan guide contact contact Shroud burr contact Damping evaporator contact Residual frost contact Poor treatment Cord heater Narrow evaporator interval Unbalance fan sounds Unbalance Surface machining conditions r Fan distortion Misshappen Burr Ice on the fan Air intake opposite to motor rubber assembly Motor shaft Supporter disorted contact sounds Tilted during motor assembly Resonance Evaporator noise Evaporator pipe contact No damping evaporator Sound from refrigerant Stainless steel pipe shape accumulator Sound from fin evaporator and pipe during expansion and contraction 3 Bowls and bottles make contact on top shelf 4 Refrigerator roof contact 5 Refrigerator side contact 6 Insufficient Lubricants on door hinge 72 TROUBLE DIAGNOSIS 9 Faulty internal voltage short 3 Bad lamp socket Loosened by vibration m Disconnection 7 Bad soldering Bad rivet contact Short Water penetration Low water level in tray r Bad elasticity of contact Bad contact corrosion 4 Door switch Its own defect m Refrigerator and freezer switch is reversed Travlel distance
16. 1W 70 0851503609 150K 1 RI 71 0850101609 1 R7 72 0800682 609 68 1 2W 73 oRD6200H609 620 1 2W 2 R28 32 74 ORDS603H609 560K 1 2W 1 R2 75 02200609 220 1 4w 1 R45 76 800332609 33 1 4 1 R5 77 0RD10006609 100 1 4W 78 08018006609 180J 1 4W RLI RL4 79 08033000609 330 1 4W 2 R24 31 80 08068006609 680 1 4W ER 81 6801001609 1K 1 4 3 R9 46 47 82 oRD18016609 1 8K 1 4w 1 R8 83 0024016609 2 4K 1 4W 1 SMART 84 Jornz001 609 R CARBON ul2K 1 4 w 00046 R21 22 20 85 0RD39016609 3 9K 1 4W 2 R26 34 86 foro4701c609 4 7K 1 41 EN 87 08010020609 1 4w 11 R12 20 27 35 8010026609 10K 1 4W 88 RCF1 6010026609 1 4w 1 RCR1 89 90 oRD10046609 1M 1 4W R10 91 ORN24016409 2 4KF 1 4W 1 RF3 92 0891016409 9 1KF 1 4W RF2 93 oRN10026409 RMETAL FLM 4 OKF 1 4W 1 RTI 94 ORN16226409 16 2KF 1 4W 1 RF1 95 oRN26126409 26 1KF 1 4W 3 RD1 RR1 2 loRM1201N661 12K 96 0852701 600 2 7K 2W RS1 DAMPER 430 JUMP WIRE 97 0TRKE90004A KTA1705 2 Q4 6 98 0R319809c TRANSISTOR K TC 5198 2 7 51 FOR MICOM CIRCUIT DWG NO DESCRIPTION 5 MAKER REMARK 99 oTR106009AC TRANSISTOR KRA106M 4 01 3 08 09 100 oTR106009AF KRC106M Pp E 1 BUZZER 6908 85002 BM 20K BUJEON 102 6210JB8001A 553510
17. F FAN PWM Q7 220uF R43 KTC3198 25V 3 10K 111 0 777 R46 R47 2 P50 49 2k 4 7K F FAN LOCK ANA 10 ZD5 CC20 1N4735 102 6 2V SH FOR MICOM CIRCUIT 2 GR B207ERA GR B247ERA MICOM P54 C FAN PWM P51 C FAN LOCK P535 F FAN PWM P50 F FAN LOCK 54 z CON5 330 Q6 KTA1705 D12 IN FR102 85 R32 150uH 4 7K s 4 fW R34 1 2W 53 3 9K CE7 AAA D13 CC16 220uF 225 R35 07 25V 10K KTC3198 R29 50 2K WAN ZD2 1N4735A 6 2V x R24 330 94 KTA1705 R28 620 1 2W D11 Q5 KTC3198 49 R22 2K 201 1N4735A 6 2V 42 EXPLATION FOR MICOM CIRCUIT 1 10 Temperature compensation and over cool weak cool compensation circuit 1 Temperature compensation at freezing room cold storage room 1 GR L207ERA GR L247ERA gt R15 10K Temperature compensation at R room 56 P50 AINO Temperature compensation at R room 57 pg1 C AIN1 IC1 2 GR B207ERA GR B247ERA M ICOM 10K Temperature compensation at R room 56 2990 Temperature compensation at R room 57 ps1 L T AN 10K Freezing room Cold storage room Resistance value Temperature Resistance value Temperature Remarks RCF1 compe
18. REFRIGERATOR CAUTION PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK BEFORE CHECKING OR OPERATING THE REFRIGERATOR GR L207TRA GR L207TRA MODEL GR L208NN GR L248NN COLOR TITANIUM CONTENTS WARNINGS AND PRECAUTIONS FOR SAFETY 3 izeleje rl 4 PARTS IDENTIFICATION m X ennenen ea 12 HOW TO INSTALL THE REFRIGERATOR 18 HOW TO ADJUST DOOR HEIGHT THE REFRIGERATOR trc tritt tee rr erre d eei lees 18 HOW TO INSTALL WATER PIPE itt tt tle e 19 HOW TO CONTROL THE AMOUNT OF WATER SUPPLIED TO THE ICEMAKER 2 23 MICOM FUNCTION eX 25 EXPLATION FOR CIRCUIT zuuusussnsssnsannnnnnunnnnnnunnnunnunnnunnunnsunnuunnunnnunnnnnnunnnannunnnnnnunnnunnnnnnnnnannnnnnunnnannunnnnnnnnnnnnnnnnn 31 EXPLANATION FOR PWB CIRCUIT be ay te es 31 COMPENSATION CIRCUIT FOR WEAK COLD OVER COLD AT FREEZING 46 PWB PARTS DRAWING AND LIST eae cte nee b aeger ese 47 PWB CIRC UI DIAGRAM rit teet Ert tnt dh fetus 53 ICE MAKER AND DISPENSER OPERATION PRINCIPLE AND REPAI
19. Charge of temperature Impact characteristics 9 Food storing place Near the outlet of cooling air Bad low termperature RPM characteristics Check visually after disassembly Check visually after disassembly 69 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 4 Warm 1 Colgged cooling path refrigerator P U liquid leak compartment Foreign materials P U dump liquid temperature 5 No automatic operation faulty contacts 6 Dew and ice formation 2 Food storate Store hot food Store too much at once Door open _ Packages block air flow 1 Faulty temperature sensor in freezer or refrigerator compartment r Faulty contact Faulty temperature characteristics 2 Refrigeration load is too much Food Too much food Hot food r Frequent opening and closing Cool air leak Poor door close Partly opens 3 Poor insulation 4 Bad radiation 7 High ambient temperature Space is secluded 5 Refrigerant leak 6 Inadequate of refrigerant 7 Weak compressor discharging power Different rating Small capacity 8 Fan does not work 9 Button is positioned at strong 1 Ice in freeezer compartment r External air inflow Rubber motor assembly direction reverse Door opens Weak door closing power but not closes Stoppe
20. DECO DRAIN lt 7 Cap Assy Duct Detailed Drawings gt 407 HOW DISASSEMBLE AND ASSEMBLE 6 WATER TANK AND WATER LINE gt The water tank at back and lower part of a refrigerator is fixed by one screw and has a capacity containing 7 glasses 180cc per glass of cold water It will take time to make more cold water in the tank The first portion of dispensed water is not cold even though the refrigerator is working In this case dispense ice first in the cup and then water to make a cold water 7 HOME BAR 7 1 Home Bar related parts 1 DOOR ASSY H BAR 7 SCREW TAP TITE ARM 2 SEREW TITE HINGE H B 8 ARM ASSY 3 SCREW 9 STOPPER 4 HINGE ASSY H BAR 10 SCREW MACHINE STOP ARM HB 5 HINGE ASSY H BAR 11 SCREW MACHINE HINGE H B 6 CAP ARM 7 2 Home Bar parts disassembly and assembly 1 Disconnect H Bar Door Assy 1 2 Loosen two screws 7 attached on the refrigerator compartment door with a phillips screwdriver And loosen 4 screws 2 and two screws 3 Pull H Bar door Assy D forward to disassemble 3 Loosen two screws 0 9 fixed on H Bar door Assy and two screws 117 with a cross driver to disassemble arm ASSy 4 Assemble parts by performing the disassembly in reverse order Note Assemble carefully parts 7 0 until they are fixed firmly when assembling them Adjust exterior gap by adjusting p
21. lt CR1 5 RY10 C RRA 7250VAC am SOLENOID 9 9 DISPENSER N ER ee 1 po2 ALD112 RRA PILOT VALVE A ina 12 POS IC8 AP aby 3 Rs 14 DISP LAMP E ub 1 7 pis 2 i 14007 N4148 77 1 Check load driving status WATER VALVE GEARED SOLENOID SOLENOID HOME BAR SOLENOID MOTOR CUBE DISPENSER HEATER PILOT ICE WATER Measuring part IC6 No 13 IC6 No 12 6 11 6 10 12 10 16 ON Within 1 V Status OFF 12V 2 Lever S W sensing circuit Measuring part IC1 Micom 16 Lever S W 5V On Press 60 Hz OV OFF 5V EXPLATION FOR MICOM CIRCUIT 3 Door opening sensing circuit lt GR L207ERA GR L247ERA gt lt GR B207ERA GR B247ERA gt 95 jer DUM Rea 3 _ guzzer 09 220 R65 MICOM 106M Au T 1k 4 P52 CIS HUND CONDITIONS Bell sounds when button on Beep sounds when warning OFF MEASURING dosplay is pressed door opening POINTS 0 055 0 25 01s 04s 055 055 gt lt gt lt gt IC1 No 48 Pin oN ur 5V 0V i OV 5V IC1 No 51 Pin ov 2 63 kz DING 12 21 kz DONG OV 263lzBEEP OFF OY Wer oo lt lt GR L207ERA GR L247ERA gt lt GR B207ERA GR B247ERA gt
22. 47 FOR MICOM CIRCUIT 2 GR B207ERA GR B247ERA AN mi to L ax sacs ME di E E zaf 5 ac a Er a a MF e dim ur m B m il 3 ae j i ae a b k Pd 1 z sf a 48 FOR MICOM CIRCUIT 3 2 Parts list 1 GR L207ERA GR L247ERA no DWG SPEC MAKER REMARK NO DWG NO DESCRIPTION SPEC MAKER REMARK 1 6870J88014 PWB MAIN FR 1 DS 1107A D00 SAN t 1 6 1 45 oce2271F638 220uF 16V 5 1 617082013 1 2 1 74mH 1 46 ocE1071H638 nr 100uF 25V RUBYCON ICE9 2 TASSPS CQU SAMIL TRANS 1 47 0 1061 658 luF 50V 1 48 ocE687AH690 680uF 25V
23. Air penetration through the gasket Too frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C if temperature is set at MID If hot air comes into the refrigerator fine frost forms as cold air mixes with hot air If this happens quite often much frost forms inside of the refrigerator If the door is left open in Summer ice may form inside of the refrigerator Frost in ice tray E Explain basic principles of frost formation When ice tray with full of water is put into a freezer compartment the water evaporates If cool air fan operates the moisture attached to the jaw protruded part of ice mold shall freeze and form frost If warm water was put into the ice mold the situation will become worse 102 TROUBLE DIAGNOSIS 4 5 Others Problems Checks and Measures The refrigerator case is hot Explain the principles of radiator The radiator pipes are installed in the refrigerator case and partition plate between the refrigerator and the freezer compartment in order to prevent condensation formation Particularly in summer or after installation of refrigerator it may feel hot but it is normal If there is no enough space to dissipate heat it can be hotter due to lack of heat radiation Please install a refrigerator in a well ventilated place and leave a clearance between refrigerator and wall Small holes in
24. Bad connection I Bad terminal contact P U liquid leak 1 Lead wire is damaged 3 Wire damage when assembling P T C Cover r Outlet burr in the bottom plate Pressed by cord heater lead wire evaporator pipe 2 Exposed terminal r Compressor Compartment terminal Touching other components Freezer compartment terminal Touching evaporator pipe Faulty parts Transformer Coil contacts cover Welded terminal parts contact cover Bad sealing Sheath heater Compressor Bad coil insulation Plate heater Melting fuse Sealing is broken Moisture penetration Cord heater Pipe damaged Moisture penetration CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 8 Faulty lamp 1 Lamp problem Filament blows out freezer and Glass is broken refrigerator 2 Bad lamp assembly Not inserted compartment E Connect conduction and non conduction parts and check with tester Conduction NG Resistanceco OK 73 TROUBLE DIAGNOSIS Food Storage Seal condition Long term storage Others Odors from chemical Store special odorous food procucts CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 10 Structure 1 Door foam appSarance r Sag Weak torque of Bolt is loosened during and others hin
25. Indicate the weight of KEYPOINTING an evacuated bombe Be sure to charge the refrigerant at around 25 C Be sure to keep 5g in the winer and 5g in summer Calculation of amount of refrigerant charged the amount of refrigerant charged a weight after charging a weight before charging a weight of an evacuated cylinder 96 TROUBLE DIAGNOSIS Items Precautions Evaporator 23 Compressor Condenser Bombe 4 Refrigerant Charging Charge refrigerant while operating a compressor as shown above 5 Pinch a charging pipe with a pinch off plier after completion of charging 6 Braze the end of a pinched charging pipe with copper brazer and take a gas leakage test on the welded parts 6 Gas leakage test Take a leakage test on the welded or suspicious area with an electronic leakage tester 7 Pipe arrangement Check each pipe is placed in its original in each cycle place before closing a cover back M C after completion of work Particularly control the size of Joint Drain Pipe 3 5 Standard Regulations For Heavy Repair 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from burning during welding In order to prevent insulation break and accident 3 The inner case shall be melted and insulation material polyurethane shall be burnt if not cared during welding inner case p
26. R41 AIN3 me 1 R2 SENSOR 104 T 8 777 67 RT SENSOR The above circuits are circuits attached to freezing room sensor or cold storage room sensor for adjusting setting temperature at the freezing room and cold storage room ice making sensor for sensing water temperature ice making or an evaporator for sensing temperature of a frost removal sensor necessary for frost removal Short or open status of every temperature sensor is as follows SENSOR CHECK POINT NORMAL 30 50 C IN SHORT IN OPEN Freezing sensor POINT A Voltage Frost removal sensor POINT Voltage Cold storage sensor 1 POINT Voltage 0 5 V 4 5 V OV 5V Cold storage sensor 2 POINT D Voltage Room temperature sensor POINT E Voltage 38 EXPLATION FOR CIRCUIT 1 6 Switch entry circuit The following circuits are entry circuits for sensing signal form test S W electronic single motor damper reed S W for examining refrigerator 1 GR L207ERA GR L247ERA 2 GR B207ERA GR B247ERA IC1 MICOM m MICOM WR sm 4 7K 20 L P13 Sms 9 1 P13 104 T L 104 1 7 Option designation circuit model separation function 1 GR L207ERA GR L247ERA 2 GR B207ERA GR B247ERA P12 R49 OP1 a 18 pi1 18 n MICOM MICOM 777 The above circuits are used for
27. refrigerator compartment Height Difference Difference Difference CD Adjusting 1 Screw 1 7 7 g Insert a driver into the groove of adjusting screw Insert a driver into the groove of adjusting screw and rotate driver in arrow direction clockwise until the and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal refrigerator becomes horizontal 18 HOW INSTALL REFRIGERATOR 2 How to Install Water Pipe Before Installation The icemaker requires the water pressure of 1 5 8 5kgf cm2 It is acceptable if city water fills a cup of 180cc with water for 3 seconds Install booster pump where the city water pressure is below 1 5kgf cm for normal operation of water and ice dispenser The total length of water pipe shall be less than 12m Do not bend the pipe at right angle If the length is more than 12m there will be troubles on water supply due to water pressure drop Please install water pipe where there is no heat around 2 1 When connecting directly to the water tap Please confirm the following installation parts Valve Feed Rubber Packing Connector Pipe Connector Pipe Tape Teflon Class Shape and Spec Nomenclature P No Remarks a Valve Feed 5221JA3001A
28. 105 HOW DISASSEMBLE AND ASSEMBLE 5 DISPENSER 4 Loosen four screws with a phillips screwdriver and pull a 1 Disconnect button assembly by pulling down until it stops and then pulling forward Funnel Assy Button 5 Duct cap Assy is disconnected if hold lever connecting screw is loosened with a phillips screwdriver 2 Remove display frame Assy by making a gap between a display frame Assy and funnel Assy with a balde screwdriver and pulling it forward The cover dispenser is fixed with a hook Assy Duct 6 For assembling a duct cap Assy insert one end of a spring into the right hole of dispenser lever and insert the other end into the right hole in upper part of dispenser And then assemble a holder lever after fixing a holder at a solenoid Assy working part 3 Display Assy can be disconnected by pressing the upper part of a cover dispenser and pushing a display Assy after disconnecting display frame Assy housing Heater Sheet 106 HOW DISASSEMBLE AND ASSEMBLE 7 Dispenser Related Parts FRAME ASSY DISPLAY COVER DISPENSER PWB PCB ASSY DISPLAY FUNNEL ASSY SWITCH MICRO FRAME FUNNEL LEVER SWITCH FUNNEL RUBBER FUNNEL SWITCH ROCKER SOLENOID ASSY SPRING HOLDER LEVER CAP DUCT LEVER DISPENSER RUBBER CAP BUTTON ASSY BUTTON HOLDER BUTTON
29. 18 20 5 C 22 15 C 17 C lt 19 gt lt 20 5 C gt lt 22 C gt lt 16 5 C gt lt 18 gt Refrigeration 6 Control 3 1 5 C 0 C 7 4 5 lt 2 gt lt 1 gt lt 0 gt lt 4 5 gt lt 3 gt The temperature can vary 3 C depending the load condition 127V 60Hz 110 115V 60Hz 115V 60Hz Rating ONLY lt gt 1 When power is initially applied or reapplied after power cut Medium is automatically selected 2 When the temperature selection switch in the freezer and refrigerator compartments is pressed the light is on in the following sequence Medium gt Medium Max gt Max gt Min Medium Min gt Medium 3 The temperature setting condition of freezer and refrigerator compartments shall not be indicate in the standard model GR P247 GR P207 GR L247 GR L207 GR C247 GR C207 GR B247 GR B207 when refrigerator or home bar door is closed 25 FUNCTION 2 2 Automatic ice maker automatic ice maker can automatically make 8 pieces of ice cube at a time 80 pieces day But these quantities may be varied according to various conditions including how many times the refrigerator door opens and closes Ice making stops when the ice storage bin is full If you don t want to use automatic ice maker change the ice maker switch to ON OFF If
30. 20 DISP LAMP PILOT VALVE 2 MAKER qj MOTOR HEATER CORD H BAR _ HOME BAR PART SOLENOID DISPENSER DISPENSER LEVER S W lt gt 09 IO ICE MAKER TEST S W Ic ICE MAKER STOP S W ICE MAKER SENSOR ASSEMBLY 9 R DOOR S W DISPLAY 015 HEATER SHEET CON101 DUCT DOOR SOLENOID BO WATER VALVE ICE SB Bp AUGER MOTOR J WHN BN iq FUSE PART APPLICATIONIOPTIONAL e CUBE FUSE 100 127V 220 240V FUSE 250VAC 15A HEATER PLATE W TANK 65 qv O B lt 0 410 BK BLACK SCHWARZ BN BROWN BRAUN BO BRIGHT ORANGE HELL ORANGE GY GRAY GRAU Notez DISPENSOR HB
31. 254 p 225 P51 C FAN LOCK 202 1N4735A 6 27 253 10 P50 F FAN LOCK 201 1N4735A T 102 62V m CON6 Lh 1 HUUU DAMPER HEATER 2 H BAR DOOR s w r9 45 R42 um X R DOOR S W w fa P62 58 5 eo 3 RI SENSOR 5 wo Hr coal 7 R2 SENSOR 2 8 9 16 ee 1 2 108 STEPPING Ls MOTOR rc Ia B E _lbuzzer Ras d 5711 13 14 16 17 24727 32 37 41245 54 60 56 ICE MAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD 1 Working Principles 1 1 Ice Maker Working Principles Level Ice Maker Cube Mould for Initial Control after power is input Wait until the water in the cube mould is frozen after ice maker starts operation Check ice bank is full of ice by rotating ice ejection motor in normal and reverse direction and eject ice into the ice bank if ice bank is not full Conduct Ice Making Control after supplying water into the ice maker cube mould by operating water valve Water Supply Control Test Conirol 1 2 Dispenser Working Principles 1 This function is available in Model GR P247 GR P207 and GR L247 GR L207 where water and ice are available withou
32. 8 10 11 12 13 14 15 Do not fray damage machine heavily bend pull out or twist the power cord Please check the evidence of moisture intrusion in the electrical components Replace the parts or mask it with insulation tapes if moisture intrusion was confirmed Do not touch the icemaker with hands or tools to confirm the operation of geared motor Do not let the customers repair disassemble and reconstruct the refrigerator for themselves It may cause accident electric shock or fire Do not store flammable materials such as ether benzene alcohol chemicals gas or medicine in the refrigerator Do not put flower vase cup cosmetics chemicals etc or container with full of water on the top of the refrigerator Do not put glass bottles with full of water into the freezer The contents shall freeze and break the glass bottles When you scrap the refrigerator please disconnect the door gasket first and scrap it where children are not accessible SPECIFICATIONS 1 Ref No GR P247 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x840 D x1750 H FIRST DEFROST 4 5 Hours NET WEIGHT kg 128 DEFROST CYCLE 13 15 Hours COOLING SYSTEM Fan Cooling DEFROSTING DEVICE Heater Sheath TEMPERATURE CONTROL Micom Control Heater L Cord DEFROSTING SYSTEM Full Automatic Heater Defrost ANTI SWEAT HEATER Dispenser Duct Door Heater D
33. Common Use rtible Water Valve Water Connector MECH Pipe 4932JA3003A Conn Conversion Connector 3 4 6631JA3004A No Holes ector Balance Conector 3 4 6631JA3004B Packing o24x3t 3920JA3001B Connector MECH Pipe 4932JA3003B Conversion Connector W25 6631 JA3004C No Holes Balance Conectoor W25 6631JA3004D Packing 923x3t 3920JA3001A Connector MECH Pipe 4932JA3003C Conversion Connector W28 6631JA3004E No Holes Balance Conector W28 6631JA3004F T Packing 926x3t 3920JA3001C Connector MECH Pipe 4932JA3003D Conversion Connector 1 2 6631JA3004G No Holes Balance Conector 1 2 6631JA3004H Packing g19x3t 3920JA3001D 19 HOW INSTALL REFRIGERATOR 1 Connection of Pipe Connector and Caution Feed pipe should be connected to cold water 1 Turn off main valve of water pipe line If it is connected to hot water line trouble 2 Disconnect water tap from piping by loosening nuts May 3 Connect pipe connector A and B to piping after sealing Please check rubber packing when connecting the pipe connector with sealing tapes feed pipe 4 Connect feed valve to pipe connector A 5 If there is only one tap water pipe connect pipe connector A only and install feed pipe Single Lever Type Faucet General Type general Single Lever Type Faucet one hole tech type and hand spray How to wind Sealing Tapes 2 Water Supply 1 After the installat
34. If ice cube sticks together decrease the water supplying time This happens when too much water is supplied into the ice tray 24 Caution When adjusting the amount of water supplied adjust step by step Otherwise the water may spill over Switch Switch OFF 3 When adjustment of control switch for the amount of water supplied is complete check the level of water in the ice tray DA 7 1 7 SUM wur gt Optimum level P M FUNCTION 1 Monitor Panel 1 1 GR P247 GR P207 GR L247 GR L207 Freezer compartment temperature control Button Function Monitor Refrigerator compartment temperature control Button 2 Description of Function Dispenser selection button 2 1 Funnction of Temperature Selection 1 2 GR C247 GR C207 GR B247 GR B207 Division Power Initially On 151 Press 2nd Press 3th Press 4th Press Mx Max gt cm gt Change of 2 Indication Lamp FRZ REF FRZ REF FRZ REF FRZ REF FRZ REF Temp Temp Temp Temp Temp Temp Temp Temp Temp Nemp Temperature Medium Medium Max Max Min Medium Min Control Freezer 19 C 22 C 23 C Control
35. MICOM ar R50 26 1KF Gang vri 3K Klum 1 5 5 6 R51 4 P63 59 2 AIN3 pua 7 R2 SENSOR 104 8 CON9 RIM1 P64 60 R52 im 1 AIN4 ICE MAKER SENSOR 104 5 2 FH R28 10KF The above circuits are circuits attached to freezing room sensor or cold storage room sensor for adjusting setting temperature the freezing room and cold storage room ice making sensor for sensing water temperature in ice making or an evaporator for sensing temperature of a frost removal sensor necessary for frost removal Short or open status of every temperature sensor is as follows SENSOR CHECK POINT NORMAL 30 C 50 C IN SHORT IN OPEN Freezing sensor POINT A Voltage Frost removal sensor POINT B Voltage Cold storage sensor 1 POINT Voltage 0 5 V 4 5 V 0 V Cold storage sensor 2 POINT Voltage Ice making sensor POINT E Voltage Room temperature sensor POINT F Voltage 37 FOR MICOM CIRCUIT 2 GR B207ERA GR B247ERA RFI 5 R36 16 2KF AING 2 4 1 ED F SENSOR 17 1 2k 104 I i RD1 2 P65 61 R37 26 1KF AIN5 1 5 D SENSOR cc19 104 T 4 777 CON6 RR1 P62 58 ED 5 1 R1 SENSOR AIN2 cc20 L 2K mu 17 p63 59
36. gt coms gt SOME SES amp mE MOTOR test mode 2 or Press OFF ON C FAN DAMPER temperature of a Once ON OPEN frost removal sensor is more than 5 C it Test mode 2 immediately Compulsory frost TEST comp 23 F FAN 03 FROST 03 STEP returns to the test removal SW amp 5 REMOVAL MOTOR mode for initial Press OFF C FAN HEATER DAMPER operation 2 times OFF ON CLOSE COMP operates after 7 minutes 28 FUNCTION 2 15 Failure Diagnosis Function 1 Failure diagnosis function is function to facilitate service when nonconforming matters affecting performance of product during use of product 2 In occurrence of failure pressing the function adjustment button does not perform function and only alarm sound Ding rings 3 If nonconforming matters occurred are released during display of failure code MICOM returns to the original state Reset 4 Failure code is displayed on the display part of setting temperature for the freezing room and the display part of setting temperature for the cold storage room of LED which are placed at the display part of a refrigerator All the LED graphics other than a failure code are turned off TROUBLE CODE INDEX GR B C 207 247 CA TROUBLE CODE INDEX Max B F4 F3 F2 F1 5 4 211 1 2 a 5 Max ch im a 4 Loe FRZ REF TEMP TEMP GR
37. mL a HEATER SHEET I 991 0006 prs 20 1 sm sory RFI 7 16 2KF H aS cat 1 em F SENSOR T x RDI 2 pes IE 3 sensor ANS cers Mir i i 5 F DOOR S W 6 P54 C FAN N 9 PS1 C FAN LOC 9 2 P33 F FAN PWM Q Jg Ux F FAN LER 7 5 i ho 1 HUUU DAMPER HEATER 2 a H BAR DOOR S W pas 6 3 R DOOR 5 E 414 dd n can coil 15 gt RI SENSOR Ld ZI vest Se AN3 wal He 7 Lee R2 SENSOR 8 dE 4 ge E aA n hoB STEPPING MOTOR Ey 5 u pis 22 pie 23 12 1 1 Icons E M XE gt ICE MAKER SENSOR cl eI 2 Pao gt ICE MAKER 44 STOP S V s n e uu x 5 gt ICE MAKER Da 6 TEST S W al 52 Ic 2 8 7 oor AN ICE MAKER BA6222 MDTOR 54 FOR MICOM CIRCUIT 2 GR B207ERA GR B247ERA 801 D3SBA60 a ane Lt fiv aw 12 rt mer m 1506 17 fu 4 per CONI Li
38. 0 5 HWA 6600 88001 SKHV10910 103 gt Ttest s w 6600 88003 3P DIP lorAx 104 B BS W 0 6X7 5mm J06 25 29 31 8 02 04 05 J07 J24 J26 28 32 34 36 37 JF1 JF2 FUSE1 105 43607015 JUMP WRE 0 6X10mm FUSE2 1 JCR1 1 JCR2 1 JCR3 1 JCR4 OP1 2 2 3203 27 0 6X12 5mm 16200 B8001A O luF 120 250VAC PILIKO 106 Rc pirer EAW CRI 107 4920J83007A HEAT SINK STR 1 TAE SUNG 108 4920J83001A HEAT SNK 5V 74572 00002 TAE SUNG 16200JB8004A CV940050 TNC 109 5mH 44A H 110 cowo COIL 6200J83007A CV410150 TNC 1117 15mH 1A 12 12 113 OLRISOOKMOICHOKE COL 1 SOUH 2 mc 15 4 114 3002447C U SE 154 250v 1 115 6901488001 5 6 1 F 2 JU 116 orzzB3001 Al FU 5 2 250 1 FUSE2 117 118 0001030 250 TAB GP881191 2 2 1 2 119 1SBF0302418 SCREW IASS Y TO H SINK 1 SUNG 120 49111001 SoLDER KR 19RMA 304 HISUNG FUSE1 DAE JIN SOLD 121 49111004 sona LEAD BaR H63A E 122 59333105 FLux AuTo Js71 5g KOKI 6500 83001 PBN 43 1 JAMES 123 EBON Ensor EB 2 RT SNR 52 FOR CIRCUIT 4 PWB circuit diagram PWB circuit diagram may vary a little bit depending actual condition 1 GR L207ERA GR L24
39. 104 32 FOR CIRCUIT 1 4 Load dispenser operation buzzer driving door opening circuit 1 LOAD DRIVING CIRCUIT InEven if opening the door of freezing room cold storage room during operation of fan motor at the freezing room this circuit does not stop and operates at the standard RPM In addition if doors of freezing room or cold storage room the fan motor normally operates at the RPM previously operated A and D of door switch for the freezing room or cold storage room are connected to the door open sensing circuit in parallel toward both ends of switch to determine door open at MICOM Since a door switch of the home bar is connected to door switch C D of the cold storage room it senses door opening if even one of both is opened The fan motor is immediately stop if opening doors of the freezing room or cold storage room at the TEST mode and it immediately operates if closing them 1 GR L207ERA GR L247ERA Frost Removal AC Convertin Water Tank Type of Load COMP 9 R room LAMP He
40. 15W 1 EA CONDENSER Wire Condenser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 100 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 745 796 840 1218 5 lt Plane View gt SPECIFICATIONS 2 Ref No GR C207 lt Front View gt 948 5 SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x755 D x1750 H FIRST DEFROST 4 5 Hours NET WEIGHT kg 112 DEFROST CYCLE 13 15 Hours COOLING SYSTEM Fan Cooling DEFROSTING DEVICE Heater Sheath TEMPERATURE CONTROL Micom Control Heater Cord DEFROSTING SYSTEM Full Automatic ANTI SWEAT HEATER Home Bar Heater Heater Defrost ANTI FREEZING HEATER Damper Heater INSULATION Cyclo Pentane FREEZER LAMP 40W 1 EA COMPRESSOR Starting Type REFRIGERATOR LAMP 40W 1 EA EVAPORATOR Fin Tube Type DISPENSER LAMP 15W 1 EA CONDENSER Wire Condenser REFRIGERANT R134a 185g LUBRICATING 9156 320 DRIER 100 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 890 660 711 755 1133 5 lt Plane View gt SPECIFICATIONS 3 Ref No GR B247 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x840 D x1750 H CAPILLARY TUBE MOLECULAR SIEVE XH 7 NET WEIGHT kg 1
41. B HTR JUMP WIRE 0 6X10mm JUMP WIRE 0 6X10mm 11106 FILTER CRI 1 HEAT SINK STR TAE SUNG 108 CV970020 TNC 1 1109 2mH 7A 110 COMMON COIL CV910320 TNC 1 111 12 32mH 1A CHOKE SOUH 15 4 FU 15 250 FUSE HODER 1 F FUSE 24 250v itt e ruse2 FUSE1 2 118 0001030 250 TAB GP881191 2 1 2 1 119 ISBF0302418 SCREW _ H SINK TAE SUNG E 120 4911100 sSOLDER KR 19RMA HISUNG 5g 121 49111004 5006 LEAD BAR H63A 59 122 59333105 r ux AUTO JS71 KOKI 50 FOR MICOM CIRCUIT 2 GR B207ERA GR B247ERA NO DWG NO DESCRIPTION SPEC MAKER REMARK 1 6870J88007 PWB MAIN FR 1 DS 1107A 1 000 SAN t 1 6 1617082012 1 2 2 9mH 1A 2 TANSSIPS COL SAMIL TRANS 3 6630JB8001A JE202 1T 02 3p 2 1 CON3 4 663088001Q JE202 1T 11 1 CON2 5 6630 880018 E202 11 0X5P 24 6 6630 880016 JE202 1T 04 1 JAE EUN 7 6630 880018 E20 17 03 5P 2 4 8 9 6630880010 E20 11 05 2 4 68 6630880076 WAFER 917786 1 8P 1 CON4 11 56630J88010A 91779
42. BAR PART H BAR HEATER DOOR S W CAPACITOR PART THE PLUG TYPE COMPRESSOR EARTH PART PWB ASSEMBLY MAIN PILOT VALVE ON CIRCUIT DIAGRAM ARE FUSE PART SUBJECT TO CHANGE IN So rp DIFFERENT LOCALITES AND P NO 3J02447C ACCORDANCE WITH MODEL TYPE e GNIYLIGN 9 F DOOR S W N NEUTRAL F FAN MOTOR BLDC M BL BL C FAN MOTOR BLDC F DOOR OPEN 9 PERCEPTION YL DEFROST SENSOR 6 F SENSOR STEPPING MOTOR R2 SENSOR RD WHIN HOME BAR RD N DOOR S W COMPRESSOR EARTHPART ASSY RDAVHIN ce ROMH RDMNHN DISP HEATER SW HEATER PLATE DISP UL B 4 HEATER SHEATH No TIL FUSE MELTING 72 C HEATER CORD L RD WHIN 09 5 A alo R1 SENSOR HOME BAR DOOR OPEN PERCEPTION GO HEATER SHEET DAMPER Ju CD 00100 lt
43. BRIDGE DIODE D3SBA60 1 SHINDENGEN BD1 1 ROHM 2 P YUNI 4 3 0DD4148098B SMTCHING DODE 1N4148 jp 4 4 007 8000194 2 DIODE IN4735 6 2V 2 DELTA 701 2 NO DWG NO DESCRIPTION SPEC QTY MAKER REMARK 45 oce2271F638 220uF 16 1 5 46 m si 47uF 25V RUBYCON 47 0CE476AK638 47uF 50V 48 0 687 690 680uF 25V 1 49 22 6 18 2200 25 Hwa 4 50 OCE107AK610 100uF 50V 1 2 51 0CE227AH638 QI Watt 161 220uF 25V 2 RUBYCONICEG 7 52 047684640 5X 7 450 1 SAM HWAICE1 53 0004732Y430 mem 473 630 1 SEIL cM3 54 0 022415630 224 100V 1 55 0 1020 519 102 50 3 CC10 13 15 56 0 1040 919 104 50V TAE YANG Cem 2 CC17 22 57 0ck2230k949 223 50V 2 CC14 16 58 ock471ok519 _ 471 50 1 CC1 Fs ORICA AGO 1 60 0 22102510 221 2KV 1 SAM HWAICC2 61 62 63 0CF33408670 530nF 275VAC 1 CM1 64 locF22408670 220nF 275VAC 1 2 65 0852701 600 2 7K_ 2W 66 54702600 47K 2W 67 0855602 600 kome nul 2w 1 R3 68 0850151609 1 5 69 0858202609
44. Dispenser Lamp Ice amp Water Dispenser Button Door rack Automatic ice maker Lamp Shelf Steel T Glass Drawer or Shelf optional Drawer Door rack Lower Cover Cover Hinge Cover PWB c c ccc Freezer Refrigerator Compartment Compartment SS m J Conversion Switch Meats Vegetables 15 Humidity Switch Water Tube Milk product corner Lamp Shelf Door rack Wine holder optional Egg Box Snack drawer Guide bottle Shelf Door rack Vegetable drawer Vegetable drawer Meat drawer PARTS IDENTIFICATION 1 Ref No GR C247EC GR C207EC Cover Hinge Home Bar Cover PWB 00000000 Freezer Refrigerator Compartment Compartment Door rack un gt Ice Bank Assy Q Lamp fo Shelf 11 Steel 1 T Glass m Drawer 5 helf e optional A Drawer ssa Door rack Lower Cover Conversi
45. P L 207 247 RA QA F4 F3 F2 F1 O On Off Trouble Code Indicator Operation Status During Trouble Trouble items Troubles i Freezer Cooling Defrost Stepping PF ph Compressor Fan Fan Heater Motor Damper 1 Abnormal freezer F Freezer sensor is cut short 15 min Standard O O sensor circuited 15 min off RPM 2 Abnormal Upper shelf refrigerator sensor is O Standard O O Open for refrigerator sensor e 9 cut or short circuited RPM 10min 1 R1 upper shelf Close for in the refrigerator 15min 3 Abnormal Note 1 Lower shelf refrigerator sensor is O Standard refrigerator sensor cut or short circuited RPM 2 R2 lower shelf in the refrigerator 4 Abnormal defrost O ee Defrost sensor is cut or short Standard No defrost sensor circuited RPM 5 Faulty defrost Defrost heater and temperature O Standard O O 0 0 0 0 fuse are cut and disconnected RPM Indicates after at least four hours when troubles occur 6 Abnormal freezer No position signal over 655 when OFF check BLDC fan motor O e fan motor operate opeation per 30min If normal condition reset 7 SEDIT cooling No position signal over 65s when OFF check BLDC fan motor LS fan motor operate opeation per 9 9 30min fnormal condition reset 8 Abnormal room Note 1 Room temperature sensor RT
46. blade if the noise is due to the collision of fan and shroud Fix the drip tray if it is loosened Sound depends on the installation location Sound becomes louder if the refrigerator is installed on a wooden floor or near a wooden wall Move it to the another location If the refrigerator is not leveled properly a small vibration can make a loud sound Please adjust the level of the refrigerator 99 TROUBLE DIAGNOSIS Problems Checks and Measures Sounds of water flowing E Explain the flow of refrigerant When the refrigerator stops the water flowing sound happens This sound happens when the liquid or vapor refrigerant flows from the evaporator to compressor Click sounds Explain the characteriistics of moving parts This noise comes from the MICOM controller s switch on the top of the refrigerator when it is turned on and off Noise of ice maker operation applicable to model with ice maker Noise produced by ice dropping and hitting ice bank Noise from motor sounds Whizz Explain the procedure and principles of ice maker operation Automatic ice maker repeats the cycle of water supplying gt icemaking gt ice ejection When water is supplied the water supply valve in the machine room makes sounds like Whizz and water flowing also makes sound When water freezes to ice freezing sounds such as click click are heard When ice is being ejected s
47. cc DISPENSER LAMP 15W 1 EA DRIER 100 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 711 755 1133 5 lt Plane View gt SPECIFICATIONS 3 Ref No GR L247 DEFROSTING SYSTEM Full Automatic ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x840 D x1750 H CAPILLARY TUBE MOLECULAR SIEVE XH 7 NET WEIGHT kg 125 FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath Heater L Cord Heater Defrost ANTI SWEAT HEATER Dispenser Duct Door Heater DRIER 100 83 INSULATION Cyclo Pentane Dispenser Heater COMPRESSOR P T C Starting Type ANTI FREEZING HEATER Water Tank Heater EVAPORATOR Fin Tube Type Damper Heater CONDENSER Wire Condenser FREEZER LAMP 40W 1 EA REFRIGERANT R134a 185g REFRIGERATOR LAMP 40W 1 EA LUBRICATING OIL FREOL 15G 320 cc DISPENSER LAMP 15W 1 EA lt Front View gt 685 745 796 840 1218 5 lt lt Plane View gt SPECIFICATIONS 4 Ref No GR L207 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x755 D x1750 H CAPILLARY TUBE MOLECULAR SIEVE XH 7 NET WEIGHT kg 120 FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL
48. designating separation by model as option and notifying it to Designation of option by model and the application standards are as follows gt These circuits are accurately pre adjusted in shipment from factory and so you must not additionally add or remove option Separation Connection Status Application Standard Connection Export model OP1 OUT Domestic model 39 EXPLATION FOR MICOM CIRCUIT 1 8 Stepping motor operation circuit gael 1 CONS 15 9 A CEB i 5 108 STEPPING p14 2 11 11 p15 22 6 pie 23 3 1218 12 19 PT For motor driving method rotation magnetism is formed at coils wound on each phase of motor and stator and so motor becomes to rotate if applying High signal to the IC8 TA777AF at the MICOM PIN 33 and outputting High Low signal by step numbers fixed through MICOM PIN 34 and 35 Explanation For driving method of the stepping motor send signals in the cycle of 3 33 mSEC using terminal of MICOM PIN 33 34 and 35 as shown in wave form of the following part These signals are output to the output terminal No 10 11 14 15 via the input terminal No 3 6 8 of the 10 TA7774F as IC for motor driving Output signals allow motor coils wound on each phase of stator to form rotation magnetic field and the motor to rotate Inputtin
49. icto 2 70 oRo6200H609 6200 1 24 R39 46 20 oRh622200ApRIvE BAG 222 ROHM ICII 71 0805603609 560 1 2W R2 21 josk655100A pRIvE 1 STR G6551 SANKEN IC2 72 22 0 431000 V REGULATOR lt A 4 51 4 73 IC3 74 23010721000 TRITLP 7 21 TOSHIBA 125 2 75 08033006509 330 1 4W R38 45 24 6920 82007 VSB 12TB msi RY1 3 1 76 08068006609 680 1 4W R6 6920 2005 JWIOFHN Nas 77 25 Y2 4 1 78 0018016609 1 8K 1 4W R7 6920 B2004A DH12DI 0 d JAEIL RYitR LAMP 79 RY11 EXPORT R CARBON FILM R27 26 6920 82005 JWIoFHN NAIS 00 427 7 80 orD20016609 2k 1 4W R34 40 47 50 6920820038 ALD112 NAIS 9054 R58 62 27 692082009 RELAY 655 14 RY nmm 2 81 08039010609 3 9K 1 4W R36 43 6920820038 ALD112 NAIS RY56 7 10 12 13 R4 13 25 28 30 28 10 82 oRD47016609 4 7K 1 4W R41 48 60 63 64 29 69200820038 0112 NAIS for ww 5 83 08010026609 10K 1 4W R11 15 37 44 54 30 1 08010020609 10K 1 4W 31 84 RCF1 32 a 1 08010020609 10K 1 4W 6212880018 CSTS4 00MGO3 0 1 33 RESONATOR MURATA 570 000128 CST4 00MGW TF01 6212A09002B 85 RCR1 6102880018 INR14D621 L JIN 4 1 86 08 10026409 10KF_1 4W VARISTORL _ 2 87 0RN16226409 RMETAL 16 2 1 4W RF1 RIM1 35 INR14D271 L JIN 572 000010 88 0 26120409 26 1KF 1 4W RD1 RR1 2 36 oDRI02009AA FR102 D2 D22 25 37 ODRIO7009AA FR107 Di 89 FAST RECOVER D DELTA 38 008302000 FR302 03 4 39
50. switch freezer refrigerator home bar Defective fan motor Defective fan motor driving relay Measure the voltage between PCB power blue line and fan motor after pressing test switch of Main PCB If the voltage is normal it is OK Replace door switch freezer refrigerator and home bar Replace fan motor Replace relay RY5 amp RY6 or PCB Refer to load driving circuits in circuit explanation Faulty defrost Refer to faulty defrost items in trouble diagnosis functions Refer to trouble diagnosis function SISONDVIA 318sNnOdL 68 Problems Symptom Causes Checks Measures Remarks Bad cooling Wrong Defective AC Damper Check AC damper Check if AC damper motor and Reconnect lead Refrigerator motor and reed switch reed switch lead wire are wire temperature and lead wire are cut cut with a tester Check AC damper Refer to AC damper in parts Replace AC damper part repair guide or refrigerator control box Assy Check AC damper Refer to AC damper in parts Replace relay or Refer to single Motor driving relay in repair guide PCB motor damper PCB driving circuits in circuit explanation Foreign materials in AC Check AC damper baffle Remove foreign damper baffles visually materials Ice formation on AC Check if AC damper Heater Replace AC damper damper baffles wire is cut with a tester or refrigerator control Box Assy
51. will be frozen Set the control button at weak if they are also frozen in the vegetable drawer The food stored at inside of the shelf freezes even the control button is set at MID Check if food is stored near the outlet of the cooling air The temperature at cooling air outlet is always below the freezing point Do not store food near the outlet of the cooling air as it block the air circulation And do not block the outlet If the outlet of the cooling air is blocked the refrigerator compartment will not be cooled 101 TROUBLE DIAGNOSIS 4 3 Odor and Frost Problems Checks and Measures Odor in the refrigerator compartment Explain the basic principles of food odor Each food has its own peculiar odor Therefore it is impossible to prevent or avoid food odor completely when food is stored in the completely sealed refrigerator compartment Deodorizer can absorb some portions of the odor but not completely The intensity of odor depends on refrigerator conditions and environments Check the temperature control button and set at strong Clean inside of the refrigerator with detergent and remove moisture Dry inside the refrigerator by opening the door for about 3 or 4 hours and then set the temperature control button at strong Frost in the freezer compartment E Explain the basic principles of frost formation The main causes for frosting Door was left open
52. you want to use automatic ice maker again change the switch to NOTE It is normal that a noise is produced when ice made is dropped into the ice storage bin 2 3 When ice maker does not operate smoothly is lumped together When is lumped together take the ice lumps out of the ice storage bin break them into small pieces and then place them into the ice storage bin again When the ice maker produces too small or lumped together ice the amount of water supplied to the ice maker need 10 adjusted Contact the service center If ice is not used frequently it may lump together Power failure Ice may drop into the freezer compartment Take the ice storage bin out and discard all the ice then dry it and place it back After the machine is powered again crushed ice will be automatically selected The unit is newly installed It takes about 12 hours for a newly installed refrigerator to make ice in the freezer compartment 26 FUNCTION 2 4 Control of variable type of freezing room fan 1 To increase cooling speed and load response speed MICOM variably controls freezing room fan motor at the high speed of RPM and standard RPM 2 MICOM only operates in the input of initial power or special freezing operation or load response operation for the high speed of RPM and operates in the standard RPM in other general operation 3 If opening doors of freezing cold storage room or
53. 000400709AC RECTFER 000 144007 020 1 90 08003325672 33 1 8W RS 00D414809BB SWICHNG DIODE 1 4148 SERRI 1 91 j0RO1001672 1K 1 8W R8 OTECEXPORT E672 40 00400409AC RECTFER DIQDE 1N4004 deste AE 1 92 0801000672 100 1 8W 029 9 317 33 49 51 ODD400409AC RECTIER DIODE 1N4004 CHANG Eae LAMP 11 93 0802001 672 2K 1 8W R52 56 57 59 61 41 000400409 RECTFIER DIODE 1 4004 D6 7 8 9 5 94 ORD4701E672 CHP RESISTOR 4 7K 1 8W ROHMIR22 24 35 42 SMD 2012 42 ODB360000AA BRIDCE DIODE D3SBAGO BD1 95 0801002 72 1 8W R14 21 53 55 ROAM 1012 1517 182 1 96 0801004 672 1M 1 8W R12 4 3 0DD414809BB SWICHNG DIODE 1 4148 RYN OTs PLOT VALVE 1 97 08 2401 472 2 4KF 1 8W RF3 QL BAR HTR 1 98 089101472 9 1KF 1 8W RF2 4 4 ODZMROO019A 7ENER DIODE 1 4735 6 2 DELTA 201 2 49 FOR MICOM CIRCUIT laty NO DWG NO DESCRIPTION SPEC MAKER REMARK 2 99 oTRKE90004A 1705 02 4 2 100J0R319809AC TRANSISTOR K TC3198 K E C 03 5 1 101 018106009 KRC106M Q1 1 1102 5 3510 0 5 HWA Eni SKHV10910 103 TEST S W 3P DIP OTAX 11104 DIP S Sw2 51 0 6X7 5mm J29 J34 27 JUMP WRE 0 6X10mm 01 10 12 28 1 0 6X12 5mm J35 MF1 JF2 FUSET JUMP WIRE 0 6X10mm 1 105 JCR JCR2 JCR3 JCR4 OP1 OP1 EXPORT JUMP WIRE 0 6X10mm JH1 H
54. 1 1 132 1 CON6 12 6630J88007J 917788 1 13 66 088007 emen 1 MP Icons 14 6630JB8007K 917789 1 1 15 224820094 cHIP TMPB7CB4IN OKE7805007 78005 1 K E C ics 16 OKE704200A KIA7042AP E 17 1 LEC oIKE650030B KID65003AP 18 1 6 01107774004 TA7774AP On 19 DRIVE IC 1 APA ca 20 oRH622200ADRIVE IC BA6222 ROHM 21 0IsK655100AIDRIVE STR G6551 1 2 22 OIKE431000A v REGULATOR X A 5 1 1 IK E C IC4 1 23010721000 721 5 24 6920 82007 VSB 12TB 2 RY1 3 16920JB2005A JW1aFHN 1 NAIS 25 RY2 16920JB2002A VS 12MB 16920JB2004A DHI2DI 0 Q 1 JAEIL RY4 6920JB2005A JW1aFHN NAIS RY4 EXPORT 27 6920J82009A G5S 1A 1 OMRON RYS H BAR 2g 920820038 RELAY ALD112 NAIS 29 6920JB2003B ALD112 NAIS 30 69204820058 ALD112 NAIS 3 32 62124090028 CST4 00MGW 33 C MM 1 murata 0SC 1570000128 CST4 00MGW TFOI 762124090028 6102 88001 INR14D621 JIN 34 1 BER VARISTOR VM INR14D271 JIN 35 572 00001D 36 008102009 FR102 5 02 010 13 37 008104009 FR104 FAST RECOVER D DELTA 38 0DR107009AA FR107 1 01 39 0DR3020008A FR302 2 D3 4 40 0DD414809BB SMTCHING DIODE 1 4148 1 D9 H BAR 1 DELTA 0DD400409AC RECTFIER DIODE 1 4004 ne 41 0DD400409AC RECTIFIER DIODE 144004 4 8 42 008360000
55. 14 FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automatic Heater L Cord Heater Defrost ANTI FREEZING HEATER Damper Heater INSULATION Cyclo Pentane FREEZER LAMP 40W 1 EA COMPRESSOR P T C Starting Type REFRIGERATOR LAMP 40W 1 EA EVAPORATOR Fin Tube Type DISPENSER LAMP 15W 1 EA CONDENSER Wire Condenser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 100 83 lt Front View gt 10 745 796 840 1218 5 I Plane View SPECIFICATIONS 4 Ref No GR B207 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x755 D x1750 H CAPILLARY TUBE MOLECULAR SIEVE XH 7 NET WEIGHT kg 109 FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automatic Heater L Cord Heater Defrost ANTI FREEZING HEATER Damper Heater INSULATION Cyclo Pentane FREEZER LAMP 40W 1 EA COMPRESSOR P T C Starting Type REFRIGERATOR LAMP 40W 1 EA EVAPORATOR Fin Tube Type DISPENSER LAMP 15W 1 EA CONDENSER Wire Condenser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 100 83
56. 207 This circuit is to judge the work of function control button on the operation panel and to light each function indication led LED module It is driven by SCAN method CON6 IC1 CON101 P37 ito a rme 701 a2 145234 29 225 NER 1 202 1 1N5234B P35 38 A226M DA 203 152348 RLI P30 25 180 54 RL2 P31 180 RL3 p32 180 4 p33 26 A 180 RLS 37 P34 T D10 D102 DIOS CIN4148X3 gt p22 28 2 579 2 55 Y DISPLAY XTOUT nd R27 Freezer Refrigerator Crushed CC11 Temp later 2 102 10K Control Control Cube F5 Max R5 R4 F1 gt Min gt R 5 FRZ REF J j 2 GR C247 GR C207 GR B247 GR B207 IC1 FEM 40 Sioen 1 01 P37 1 1 1 ee 1H7 S 39 36 1 1 2 H1 L 3 3 T FL F3 RLI P30 vn 4H 180 5 4 FS 180 512 R2 RI 35 RL3 gt P32 vu H 180 644 RS R4 p33 B6 Bae 746 2 180 22 28 LI 8 LZ Sr pim R20 Freezer Refrigerator Cerro
57. 7ERA 2527 17181928 Sm on 14 3 4 oH 275 5 EA 5 19 1 1 2n cO Amy C5 PLATE DISP DEFROST HEATER H 9 07 7 1 FUSE MELTING F DORR 72 C en RH F LAM 5 oH ao PH em T SOLENOID 5 2 so jes NER SA Cue fot 1 TANK HEATER rts z tj t 5 1 16 d B 2 water 1 ib fee 13 ms 15 2 g Poo DOOR S W R DOOR S W roc 1 R LAMP 14 10 qd cos 9 SOLENOID DISPENSER cios Rm fm H 5 015 PILOT VALVE s 32 s 2 Ce lt G5S 1A 7 016 H BAR HEATER B mA ale 1777 a f 9 3 x Pos DISP LAMP H a 1 Dr i 2 PWB_ASS Y MAIN FOR CIRCUIT moy pus mano D 4142 25 22 PWB ASS Y DISPLAY ae 63 A
58. A Use R134a To protect coupler cxclusive R12 Refri gerant mixing Outlet R134a exclusive Socket Plug R134a exclusive 5 Refrigerant weighing EA Use R134a Do not mix Do not weight the refrigerant at too hot or exclusively with R12 too cold an area 25 C is adequate Weighing refrigerant Use copper bombe allowance 5g Socket 2SV Plug 2PV R134a Note Winter 5g Note Do not burn O ring rubber during Summer 5g welding 6 Drier replacement Use R134a exclusively To remove for R134a refrigerator the moisture Use R12 exclusively from pipe for R12 refrigerator Replace drier whenever repairing refrigerator cycle piping Leak check Do not use soapy Detect Check oil leak at refrigerant leak area water for check refrigerant Use electronic leak detector if oil leak is it may be sucked leak area not found into the pipe by The electronic leak detector is very sensitive to halogen gas in the air It also can detect R141b in urethane Please practice therfore many times before use NOTE Please contact Songso company on 82 53 554 2067 if you have inquiry on heavy repair special facility 92 TROUBLE DIAGNOSIS 3 2 Summary Of Heavy Repair Process Contents Tools Trouble diagnosis Remove Residuals Cut charging pipe ends and discharge refrigerant from drier and compressor Filter side cutters Parts replacement welding Use R134a oil a
59. AR PILOT VALVE YL YELLOW GELB GN GREEN GR N PR PURPLE PURPUR WH WHITE WEISS Model Application 4 o SB SKY BLUE HIMMELBLAU PK PINK ROSA GN YL GREEN YELLOW GRUN GELB BL WH BLUE WHITE BLAU WEIS ex GR 207E x WHIBK WHITEIBLACK WEISS SCHWARZ WH RD WHITE RED WEISS ROT RD WH REDWHITE ROT WEISS 3854JD1054C 63 CIRCUIT DIAGRAMME DE CIRCUIT GR P L 207 247 RA QA Note2 PARTIE BAR D APPARTEMENT BAR D APPARTEMENT PORTE S W PARTIE CONDENSEUR TYPE DE FICHE MISEALA GROUPE PWB PRINCIPAL TERRE DU COMPRESSEUR VANNES PILOTES SUR LE SCHEMA ELECTRIQUE SONT Oo rp SUSCEPTIBLES DE MODIFICATIONS DANS PINO 3J024470 LES DIFFERENTES REGIONS ET SELON LE _LGN VLIGN ETLE MODELE BL 12 x 1 91 CONTACT PORTE F M DE BL N d N NEUTRE VENTILATEUR F n EL BLIN 5 ORD LAMPE F BL MOTEUR B yr HYL e VENTILATEUR eoc By PERCEPTION OUVERTURE 9 RD PORTE F RD BO BO WH CAPTEUR F WH MOTEUR PAS A PAS CAPTEUR R2 PARTIE CONDENSEU DENSEUR RDMWH L DEMARRAGE BK CONDENSEUR CAPTEUR DE DEGLACAGE 6
60. C 35 5 6 Down Down Down change Up Up Up Up Up Up Up 2 C 1157 1 0 5 No 0 5 C 1 1 5 2 C 25 3 Cold storage 8 2 Down Down Down Drop change Up Up Up Up Up Up room 25 2 15 1 C 0 5 0 5 C 1 C 157 2C 125 RCR1 10 kQ Down Down Down Down Down change Up Up Up Up Up 3C 2577 2 C 115 1 05 No 0 5 1 C 1156 2 12 kQ Down Down Down Down Down Down change Up Up Up Up 3 5 C 3C 25 C 2 C 1 5 1 C 05 No 05 C 1 1 5 C 18kQ Down Down Down Down Down Down Down change Up Up Up 4 C 35 3C 2 5 C 2 C 115 C 1 105 No 0 5 C 1 C 33 Down Down Down Down Down Down Down Down change Up Up 45 4 C 3 5 3C 257 2 157 1 C 05 No 0 5 56 Down Down Down Down Down Down Down Down Down change Up 5 C 45 490 13590 3 C 25 C 2 C 1150 1 105 No 180 kQ Down Down Down Down Down Down Down Down Down Down change gt Temperature compensation at the freezing room is also performed in the same manner as cold storage room Temperature compensation value is equivalent to two times the cold storage room gt This circuit is a circuit to enter the necessary level of temperature compensation for adjusting different temperature every model at the cold storage room into MICOM 44 EXPLATION FOR MICOM CIRCUIT 1 11 Key Button Input and Display Lighting Circuit 1 GR P247 GR P207 GR L247 GR L
61. If Hall IC signal is on within 3 6 seconds after ice ejection motor rotates in normal direction it does not proceed ice ejection but waits If the ice bank is full ice ejection motor rotates in normal direction in every hour to check the condition of ice bank If the ice bank is not full the water supply control starts after completion of ice ejection control If the ice bank is full ice ejection motor rotates in reverse direction and sops under ice making or waiting conditions 3 If ice bank is not full ice ejection starts The cube mould tilts to the maximum and ice is separated from the mould and ice checking lever raises 4 Ice ejection motor stops for 1 second if Hall IC signal changes from OFF low to ON high after 3 6 seconds when ice ejection motor rotates in normal direction If there is no change in Hall IC signals within 1 minute after ice ejection motor operates ice ejection motor stops as ice ejection motor or hall IC is out of order 5 If ice ejection motor or Hall IC is abnormal ice ejection motor rotates in normal direction to exercise initial operation It resets the ice maker if ice ejection motor or Hall IC is normal 6 The mould stops for 1 second at maximum tilted conditions The mould returns to horizontal conditions as ice ejection motor rotates in reverse direction 8 When the mould becomes horizontal the cycle starts to repeat Water Supply gt Ice Making Ice Ejection Mould Returns to Horizontal N Maximu
62. Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automatic Heater L Cord Heater Defrost ANTI SWEAT HEATER Dispenser Duct Door Heater INSULATION Cyclo Pentane Dispenser Heater COMPRESSOR P T C Starting Type ANTI FREEZING HEATER Water Tank Heater EVAPORATOR Fin Tube Type Damper Heater CONDENSER Wire Condenser FREEZER LAMP 40W 1 EA REFRIGERANT R134a 185g REFRIGERATOR LAMP 40W 1 EA LUBRICATING OIL FREOL 15G 320 cc DISPENSER LAMP 15W 1 EA DRIER 100 83 amp e NS o o IN ID LJ EL Ce Front View Plane View SPECIFICATIONS 1 Ref No GR C247 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x840 D x1750 H FIRST DEFROST 4 5 Hours NET WEIGHT kg 117 DEFROST CYCLE 13 15 Hours COOLING SYSTEM Fan Cooling DEFROSTING DEVICE Heater Sheath TEMPERATURE CONTROL Micom Control Heater L Cord DEFROSTING SYSTEM Full Automatic ANTI SWEAT HEATER Home Bar Heater Heater Defrost ANTI FREEZING HEATER Damper Heater lt Front View gt INSULATION Cyclo Pentane FREEZER LAMP 40W 1 EA COMPRESSOR P T C Starting Type REFRIGERATOR LAMP 40W 1 EA EVAPORATOR Fin Tube Type DISPENSER LAMP
63. N ON 9 Sec 8 ON ON ON 10 Sec 3 If water supply quantity setting is changed while power is on water supplies for the amended time If DIP switch is changed during water supply water shall be supplied for the previous setting time But it will supply for the amended time from the next supply 4 When water supply signal is applied to water and ice valves at the same time during water supply water shall be supplied to water valve If water supply signal is applied to ice valve during water supply water shall be supplied to both water and ice valves 2 3 Ice Making Control Function 1 Ice making control is carried out from the completion of water supply to the completion of ice making in the cube mould Ice making sensor detects the temperature of cube mould and completes ice making ice making sensor is fixed below ice maker cube mould 2 Ice making control starts after completion of water supply control or initial control 3 It is judged that ice making is completed when ice making sensor temperature reaches at 8 C after 100 minutes when water is supplied to ice maker cube mould 4 It is judged that ice making is completed when ice maker sensor temperature reaches below 12 C after 20 minutes in condition 3 58 ICE MAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD 2 4 Ice Ejection Control Function 1 This is to eject ice from ice maker cube mould after ice making is completed 2
64. R 57 WORKING PRINCIPLES e 57 FUNCTION OFICE MAKER E 58 ICE MAKER TROUBLESHOOTING eset 61 ee ette ter 62 CIRCUIT 63 TROUBLE DIAGNOSIS nsans2ansannaanuannannuununannannunnnannuunuaanuunnannunnnannenanannnnanannnnnnunnnannsannnannannnanannunnnnanennnannnnansnnnnnnuannnannannnnn 65 TROUBLE SHOOTIN Gear an cay de ee Een 65 UI seven a aa 75 COOLING CYCLE HEAVY t ttd eee RR Re 92 HOW DEAL WITH CLAIMS EE 99 HOW DISASSEMBLE AND ASSEMBLE uzannannaonsunnannunanannunnnannnnanaunnnannunnannuannnannannnannannnunnnnnnnnnannunannnnnanunnnnannannnan 104 DOOR pe M 104 PANDHE o E 105 SHROUD GRILLE 105 ER 105 DISPENSER e 106 WATER TANKAND WATER
65. SMPS consist of the rectifying part BD1 CE1 converting AC voltage to DC voltage the switching part IC2 switching the converted DC voltage transformer transferring energy of the primary side of the switching terminal to the secondary side and the feedback part 103 4 transferring it to the primary side Caution Since high voltage DC310V is maintained at the power terminal please take a measure after more than 3 minutes have passed after removing power cords in the abnormal operation of a circuit Voltage of every part is as follows Part VA1 CE1 CE2 CE4 CE Voltage 220 Vac inspection Vdc 16 12 15 5 5 BD1 RVB 1506 TRAI gt D ou 10 S Moi Tw 2 R2 47uF 15 5 560K 450V 650 1 2w DI 112 RF2 1 FR107 21 FR302 Y 150K 1W y C M I 2 e 25v RF3 2 4KF 4 Hi ie gt Eee CON1L1 2 14 L1 ale 2mH 5 5v 64 test T 55 Vere uS 5 cce 104 104 EE 238 cn At 32 vss bU 54 Vass 26 test 25 27 17 18 19 28 POWER 43 48 51 31 EXPLATION FOR MICOM CIRC
66. UIT 1 2 Oscillation circuit Oscillation circuit is a circuit with the purpose of generating basic time for clock occurrence for synchronization and time calculation in relation with information transmission reception of inside elements of IC1 The OSC1 must always use rated parts since if SPEC is changed time calculated at the be changed or no operation is done GR L207ERA GR L247ERA gt GR B207ERA GR B247ERA gt XIN 30 CST4 00MGW 1 CST4 00MGW sie bl Tw amp 2 CMICOM XOUT ii XOUT 51 1 3 Reset circuit The reset circuit is circuit allowing various parts such as RAM inside of MICOM to initialize and the whole of function to start from the initial status when initial power is input or when power is applied again to MICOM by a spontaneous power failure LOW voltage is applied to the reset terminal of MICOM in the beginning of power supply for a constant time 10ms Reset terminal during general operation is 5V No MICOM operates in failure of RESET IC lt GR L207ERA GR L247ERA gt lt GR B207ERA GR B247ERA gt 2 R11 Y 4 7K 4 kiA7042 l KiA7042 52 ze RESET z LR z I cce li CC9 li 104 5 777
67. a door liner Bi Explain that the hole is for releasing gas A small hole in the door liner is for releasing gas during insulation materials lining work With a releasing hole forming can be easily done Electric bills are too much Check the use conditions Too frequent door opening and hot food storing cause the compressor to operate continuously and hence increase the electric consumption and bills Condensation on the inside wall of the refrigerator compartment and the cover of properly vegetable drawer Explain how to store foods Condensation forms when refrigerator is installed at damp area door is frequently opened and wet foods are not stored in the air tight container or wrapped Be sure to store wet foods in the air tight container or in the wrap When is the power connected When should the power be connected 2 You can connect the power right after the installation But if the refrigerator was laid flat during transportation for a long period of time and the refrigerant and compressor oils are mixed up then this will affect badly the performance of a refrigerator Be sure to connect the power 2 3 hours after refrigerator is installed Door does not open properly N The front side should be raised a little bit higher than the rear side Refrigerator compartment door does not open properly When the door is open warm open air comes into the compartm
68. ands OK 2 Check the resistance between housing terminal and heater surface 00 Short Q Cut Tens to thousands Short Heating wire is short and wire is cut Parts replacement Refer to parts explanations Seal the lead wire with insulation tape and heat contraction tube if the cut lead wire is accessible to repair Sucking duct and discharging hole are clogged 1 Impurities 2 Ice 1 Confirm foreign materials In case of ice insert the copper line through the hole to check 2 Put hot water into the drain check drains outside 1 Push out impurities by inserting copper wire Turn off more than 3hours and pour in hot water if frost is severe 2 Put in hot water to melt down frost 3 Check the water outlet 4 Push the heater plate to sucking duct manually and assemble the disconnected parts Gap between Sucking duct and Heater plate Ice in the gap 1 Confirm in the Sucking duct 1 Turn off the power confirm impurities and ice in the gap and supply hot water until the ice in the gap melts down 2 Push the Heater plate to drain bottom with hand and assemble the disconnected parts Wrong heater rating or wrong assembly 1 Check heater label 2 Confirm the capacity after substituting the resistance value into the formula P V V Rated voltage of user country a Resistance of tester Compare P and lavel capacity Tolerance 7 Faults r
69. arts 4 The copper pipe shall be oxidized by overheating if not cared during welding 5 Not allow the aluminum pipes to contact to copper pipes In order to prevent corrosion 6 Observe that the inserted length of a capillary tube into a drier should be 12 Drier Molecular Molecular Pipe Sieves d 7 Make sure that the inner diameter should not be distorted while cutting a capillary tube 8 Be sure that a suction pipe and a filling tube should not be substituted each other during welding High efficiency pump 97 TROUBLE DIAGNOSIS 3 6 Brazing Reference Drawings PIPE ASSY HOT LINE PIPE ASSY HOT LINE Freezer Refrigerator Copper Brazer Copper Brazer CAPI TUBE DRIER ASSY Silver Brazer Im p D PIPE ASSY JOINT qeu ASSY WIRE Copper Brazer PIPE ASSY JOINT PIPE ASSY SUCTION Copper Brazer 1 Silver Brazer Copper Brazer Coppper Brazer 98 TROUBLE DIAGNOSIS 4 HOW TO DEAL WITH CLAIMS 4 1 Sound Problems Checks and Measures Whizz sounds E Explain general principles of sounds All refrigerator when functioning properly have normal operating sound The compressor and fan produce sounds There is a fan in the freezer compartment which blows cool air to freezer and refrigerator compartments Whizz sounds are heard when the air passes through the narrow holes into the freezer and refrigerator compartments Co
70. arts 2 7 when assembling 2 0 1 8 1 8 108 EXPLODED VIEW FREEZER DOOR PART GR P247 GR P207 GR L247 GR L207 EXPLODED VIEW FREEZER DOOR PART GR C247 GR C207 GR B247 GR B207 110 EXPLODED VIEW Ref No GR P247 GR P207 GR C247 GR C207 REFRIGERATOR DOOR PART Optional part 111 EXPLODED VIEW Ref No GR L247 GR L207 GR B247 GR B207 REFRIGERATOR DOOR PART Optional part 112 EXPLODED VIEW FREEZER COMPARTMENT Optional part 113 EXPLODED VIEW REFRIGERATOR COMPARTMENT Optional part 114 EXPLODED VIEW ICE amp WATER PART Optional part EXPLODED VIEW MACHINE COMPARTMENT Optional part II 116 EXPLODED VIEW DISPENSER PART 117 72 1 P No 3828JD8467B DEC 2002 Printed in Korea
71. ater Relay Heater Measuring part 6 No 16 No 15 No 16 7 13 7 14 ON Within 1 V Status OFF 12V POWER CON2 58 07 m 1 1 3 RR 5 M 14 3 4 2 P73 OLP 5 AIN13 RY2 F DOOR 5 gt 6 UWIOFHN PIC ASSY 9 gt 06 0 d N4004 16 1 2 VS lr Uo HEATER PLATE DISP 8 RY3 VSB 12TB DEF HEATER F LAMP O ot iub 1 2 AiN12 FUSE MELTING 72 L conz RY6 ALD112 4 010 IN4148 W TANK HEATER 4 11 1 6 H BAR T DOOR S W R DOOR S W CON4 7 0 9 065003 Bs R LAMP IN4004 14 3 10 o lt cons RY12 G5S 1A i 7 016 H BAR HEATER 5 Loc 6 al 8 33 FOR CIRCUIT 2 GR B207ERA GR B247ERA The fan motor at the freezing room does not stop but operates if opening doors of the freezing room or cold storage room or the home bar during operation of the fan motor at the freezing room A B and D of door switch for the freezing room or cold storage room are connected to the door open sensing circuit toward both ends of switch to determine door open at MICOM Since a door switch of the home bar is connected to door switch 0 of the cold storage room it senses door opening if even one of both is opened Type of Load COMP Frost Removal AC Converting R room LAMP Homebar Heater Relay Heater Measu
72. ater supply can be checked by test switch When test function performs normally buzzer sounds and water supply shall carry out Check it for repair if buzzer does not sound 4 When water supply is completed the cycle operates normally as follows Ice making gt Ice ejection gt Returning to horizontal conditions gt Water supply 5 Remove ice from the ice maker cube mould and press test switch when ice maker cube mould is full of ice as ice ejection and water supply control do not work when cube mould is full of ice 2 6 Other functions relating to freezer compartment door opening 1 When freezer door is open ice dispenser stops in order to reduce noise and ice drop 2 When freezer door is open during ice ejection and cube mould returning to horizontal condition ice ejection and cube mould level return proceed 3 When freezer door is open geared motor and cube ice solenoid immediately stop and duct door solenoid stops after 5 seconds 4 Water dispenser stops in order to protect water drop when freezer door is open 5 Test function operates normally irrespect of refrigearator compartment door opening 60 ICE MAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD 3 Ice Maker Troubleshooting Troubleshooting it is possible to confirm by pressing freezer and refrigerator temperature control buttons for more than 1 second ice maker is normal if all leds are on refer to trouble diagnposis function in MICOM functio
73. bed in 1 2 mechanical model disconnect thermostat from the assembly 1 Check the faulty connector of housing and reassemble wrongly assembled parts 2 If the parts are very damaged remove the parts and replace it with a new one SISONSVIG JTINOHL 18 2 6 Icing Problems Causes Checks Measures Remarks Icing in the 1 Bad circulation of cool air Check the food is stored properly Be acquainted with how to use Check the defrost refrigerator Clogged intake port in the check discharge and intake port Sealing on connecting parts related parts if problem compartment refrigerator compartment are clogged Check the damper and replace is caused by faulty Damper icing Sealing is not good Check icing on the surface of it if it has defects defrosting Pipe icing Too much food is stored and clogs and cool air path pipe after Check defrost After forced Discharging the discharge port dissembling the container box defrosting check ice in the pipe icing Bad defrosting Check icing at intake ports of evaporator and pipes freezer and refrigerator compartment 2 Faulty door or refrigerator compartment Faulty gasket Faulty assembly Check gasket attached conditions Check door assembly conditions Correct the gasket attachment conditions and replace it Door assembly and replacement Replacement should be done when it cannot be r
74. ck ice on the evaporator and pipes after forced defrosting 5 User is not familiar with how to use Door opens High moisture food water is stored Check food holds door open Check ice on the ice tray Be acquainted with how to use SISONSVIG 31sNnOdL 68 2 7 Sound Problems Causes Checks Measures Remarks Whizz sound 1 Loud sound of compressor operation 1 1 Check the level of the refrigerator 1 2 Check the rubber seat conditions sagging and aging 2 Pipes resonat sound which is connected to the compressor 2 1 Check the level of pipes connected to the compressor and their interference 2 2 Check rubber inserting conditions in pipes 2 3 Touch pipes with hands or screw driver check the change of sound 3 Fan operation sound in the freezer compartment 3 1 Check fan insertion depth and blade damage 3 2 Check the interference with structures 3 3 Check fan motor 3 4 Check fan motor rubber insertion and aging conditions 4 Fan operation sound in the compressor compartment 4 1 Same as fan confirmation in the refrigerator 4 2 Check drip tray leg insertion 4 3 Check the screw fastening conditions at condenser and drip tray 1 Maintain horizontal level 2 Replace rubber and seat if they are sagged and aged 3 Insert rubber where hand contact reduces noise in the pipe 4 Avoid pipe interfer
75. d Water penetration Bad terminal connection Check visually Check terminal Conduction OK No conduction NG If wire is not cut refer to resistance V Voltage R Resistance 67 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak F Residual frost Heater plate rated Weak heat from heater Sheath Heater rated Heater cord L rated Bad heater assembly Heater plate No contact to drain Loosened stopper cord evaporator pipe Location of assembly top and middle Heater cord L Not contact to the Faulty characteristics Too short defrosting time Defrost Sensor Seat D missing location thickness Air inflow through the fan motor Structural fault Gasket gap Bad insulation of case door No automatic defrosting _ Defrost does not return 3 Cooling air leak Door sag r Bad gasket adhestion Gap Bad attachment Contraction r Bad adhesion Weak binding force at hinge 4 No cooling air circulation Faulty fan motor motor Self locked Wire is cut L Bad terminal contact Door switch Faults Contact distance Button pressure Melted contact Contact r Refrigerator and freezer switch reversed Button is not pressed Poor door attachment F Doo
76. e and sealing 2 Check leakage with an electronic leakage tester 3 Be sure to use a pipe cutter when cutting pipes 4 Be careful not the water let intrude into the inside of the cycle 94 TROUBLE DIAGNOSIS 3 4 Practical Work For Heavy Repair Items Precautions 1 Removal of residual refrigerant Evaporator Low pressure side KEYPOINTING Observe the sequence for removal of refrigerant If not compressor oil may leak Compressor Refrigen Release Condenser Intake 1 Remove residual refrigerant more than 5 minutes later after turning off the refrigerator If not compressor oil may leak inside 2 Remove retained refrigerant slowly by cutting first high pressure side drier part with a nipper and then cut low pressure side 2 Nitrogen blowing welding Evaporator gt KEYPOINTING Welding without nitrogen blowing produces oxidized Drier scales inside a pipe which affect on performance and High pressure side reliability of a product Condenser Refrigen Intake When replacing a drier Weld 2 parts by blowing nitrogen 0 1 0 2kg cm2 to high pressure side after assembling a drier When replacing a compressor Weld and 2 parts by blowing nitrogen to the low pressure side Note For other parts nitrogen blowing is not necessary because it does not produce oxidized scales inside pipe because of its short weldin
77. ence 5 Replace defective fan and fan motor 6 Adjust fan to be in the center of bell mouth of the fan guide 7 Leve clearance between interfering parts and seal gaps in the structures 8 Reassemble the parts which make sound 9 Leave a clearance if evaporator pipes and suction pipe touch freezer shroud SISONSVIG JTINOHL 78 Problems Causes Checks Measures Remarks Vibration sound Cluck Vibration of shelves and foods in the refrigerator Pipes interference and capillary tube touching in the compressor compartment Compressor stopper vibration 4 Moving wheel vibration 5 Other structure and parts vibration 1 1 Remove and replace the shelves in the refrigerator 1 2 Check light food and container on the shelves 2 1 Touch pipes in the compressore compartment with hands 2 2 Check capillary tube touches cover back 3 1 Check compressor stopper vibration 4 1 Check vibration of front and rear moving wheels 5 1 Touch other structures and parts 1 Reassemble the vibrating parts and insert foam or cushion where vibration is severe 2 Leave a clearance where parts interfere with each other 3 Reduce vibration with rubber and restrainer if it is severe especially compressor and pipe 4 Replace compressor stopper if it vibtates severely Irregular sound Click It is caused by heat expansion and contraction of evapora
78. ent and is mixed up with cool air This mixed air shall be compressed and increase the internal pressure when door is closed This causes the door sticked closely to the refrigerator in amoment If the refrigerator is used for a long time it will then open smoothly When the refrigerator compartment door is open and close the freezer compartment door moves up and down When the refrigerator compartment door is open and close fresh air comes into the freezer compartment and moves up and down the freezer compartment door Door opens too easily There is a magnet in the gasket rubber so that it is ok if door is securely closed without a gap It can be open easily if the foods in the refrigerator or freezer compartments hold the door open door does not close properly If the rear side of the refrigerator is raised higher than front side door shall not be easily closed Adjust the level of refrigerator with levelling screws 103 HOW DISASSEMBLE AND ASSEMBLE 1 DOOR 3 Disconnect upper hinge from a hinge supporter by grasping the front part of upper hinge and lifting up 1 Remove lower cover and then disconnect water Hinge Assy U in arrow direction and pull forward in arrow direction Be careful as the door may be fallen down supply tube in the lower part of freezer door Pull a water supply tube forward while pressing part to disconnect water supply tube as shown below
79. epaired 3 Overcooling in the refrigerator compartment Faulty damper in the refrigerator compartment Faulty MICOM faulty sensor Check refrigerator compartment is overcooled when button pressed on weak Check parts are faulty Replace faulty parts 4 Bad defrosting Heater wire is cut Defective defrost sensor Defrosing cycle Check frost on the evaporator after dissembling shroud and fan grille Check ice on intake port of freezer and refrigerator compartment Check parts related to defrosting Check defrosting Check ice on the evaporator and pipe Moisture cannot frost on the evaporator but can be sucked into the refrigerator being condensed and iced interferes with cool air circulation and suppresses sublimation 5 Customers are not familiar with this machine Door opens High temperature high moisture and high load Check food interferes with door closing Check ice on the ceilings Be acquainted with how to use SISONSVIG 31sNnOdL 28 Problems Causes Checks Measures Remarks Ice in the freezer compartment Surface of fan grille Wall of freezer compartment Cool air discharging port Basket rack area Food surface Icing in the shute 1 Bad cooling air circulation Intake port is colgged in the freezer compartment Discharging port is Clogged Too
80. eplace How to replace Refer to main parts SISONSVIG JTINOHL 08 Problems Causes Checks Measures Remarks No defrosting Melting fuse blows out 1 Lead wire is cut 2 Bad soldering Check melting fuse with tester 00 OK If wire is cut Faullty parts parts replacement Check wire color when maeasuring resistance with a tester Ice in the Sucking duct 1 Icing by foreign materials in the duct 2 Icing by cool air inflow through the gap of heater plate 3 Icing by the gap of heater plate 1 Check the inner duct with mirror 2 Check by inserting soft copper wire into the duct soft and thin copper not to impair heating wire 1 Turn power off 2 Raise the front side door side support the front side legs and let the ice melt naturally If power is on melt the frost by forced defrosting 3 Reassemble the heater plate Bad cool air inflow and discharge and bad defrosting due to faulty contact and insertion bad connector insertion into housing of heater melting fuse and motor fan 1 Turn on power open or close the door check that motor fan operates If it operates motor fan is OK 2 Disconnect parts in the refrigerator compartment check the connection around the housing visually defrost and confirm heat generation on the heater Do not put hands on the sheath heater 3 Check the parts which have faults descri
81. er Tube Nut Fixing Plate Outlet d 2 Filter Cleaning 1 Connect feed tube to the inlet of feed valve and filter 2 Clean the main valve and feed valve with water for at least one minute until clean water comes out Filter Inlet 21 HOW INSTALL REFRIGERATOR W Install Water Filter Applicable to some models only W Before Installing water filter 1 Before installing the filter take out the top shelf of the refrigerator after tilting it to the direction 1 and lifting it to the direction and move it to the lower part 2 Remove the lamp cover by pressing the protrusion under the cover and pulling the cover to the front W Installing water filter 1 Initial installation of water filter Remove the filter substitute cap by turning it counterclockwise 1 by 90 degrees and pulling it down Note Keep it safe to use it later when you do not use the filter Remove the red cap from the filter and attach the sticker Insert the upper part of the filter after aligning with the guideline marked on the control box and fasten it by turning it clockwise by 90 degrees Note Check that the guideline and the fastening indication line are aligned Q ir Substitute cap Separation of red 24677 EN Adhesion sticker 2 Replacement of water filter While holding the lower part of the filter turn it counterclockwise 1 by 90 degrees and pull it down Note Check that t
82. er under the ice tray and press test switch 4 When ice tray rotates the water in it will spill Collect the spilt water and throw away into the sink 5 When ice tray has finished rotation water comes out from the water tube Confirm the amounts of water in the ice tray refer to fig The optimum amount of water is 110cc tis acceptable if the adjusted level of water is a bit smaller than optimum level 23 HOW INSTALL REFRIGERATOR 3 2 Control the amount of water supplied to the icemaker Caution Please unplug the power cord from the wall outlet and wait for more than three minutes before disconnecting PWB cover as 310V is applied in the control panel 1 Disconnect PWB cover from the upper part of the refrigerator Driver 2 Adjust the amount of water supplied by using DIP switch W Water Supplying Time Control Option SWITCH NO Water Suppling S W1 S W2 S W3 Time OFF OFF OFF 6 5 Sec ON OFF OFF 5 5 Sec OFF ON OFF 6 Sec ON ON OFF 7 Sec OFF OFF ON 7 5 Sec ON OFF ON 8 Sec OFF ON ON 9 Sec ON ON ON 10 Sec 1 The water supplying time is set at five seconds when the refrigerator is delivered 2 The amount of water supplied depends on the setting time and water pressure city water pressure 3 If ice cube is too small increase the water supplying time This happens when too small water is supplied into the ice tray 4
83. g as below figure to the input terminal INA INB as IC TA7774AF for motor driving allows motor coils wound on each phase of stator to form rotation magnetic field and the stepping motor damper to rotate CCW Reverse rotation 4 gt Positive rotation CW INA INB gt ul 40 FOR MICOM CIRCUIT 1 9 Fan motor driving circuit freezing room M C room 1 This circuit performs function to make standby power 0 by cutting off power supplied to ICs 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 performs function not to drive the fan motor further by cutting off power applied to the fan motor in the lock of fan motor by sensing the operation RPM of the fan motor 1 GR L207ERA GR L247ERA part part part Motor OFF 5V 2V or less 2V or less OV Motor ON 2 3V 12 14V 8 16V OV Eq 837 CON7 350 a4 KTA1705 MICOM po e FR102 R38 150uH 4 620 7 54 53 R35 Ve m C FAN PWM D20 ake cc17 05 2200FZZ R36 KTC3198 8192 25 283 e 8 1 51 50 C FAN LUCK 9 06 KTA1705 150 H a 4 7K R45 620 12 P53 52 3 9K 1 2 ges
84. g time 3 Replacement of drier Unit mm KEYPOINTING Be sure to check the inserted length of capillary tube when it is inserted If too much inserted a capillary tube is clogged by a filter Filter Inserting a capillary tube Measure distance with a ruler and put a 12 3 0 the capillary tube Insert tube to the mark and weld it 95 TROUBLE DIAGNOSIS Items Precautions 4 Vacuum degassing Evaporator Suction pipe gt Drier Condenser Compressor High Blue pressure Y KEYPOINTING If power is applied during vacuum degassing vacuum degassing shall be more effective 5 Operate compressor Connect a red hose to the high pressure side and a blue hose to the while charging low pressure side refrigerant It is easier and more certain to do like Open 1 2 valves and evacuate for 40 minutes Close valve 1 this Pipe Connection Vacuum Sequence 5 Refrigerant charging Charging sequence 1 Check the amount of refrigerant supplied to each model after completing vacuum degassing 2 Evacuate bombe with a vacuum pump 3 Measure the amount of refrigerant charged Measure the weight of an evacuated bombe with an electronic scale Charge refrigerant into a bombe and measure the weight Calculate the weight of refrigerant charged into the bombe by subtracting the weight of an evacuated bombe
85. ge connection transportaion Not tightly fastened Screw wom out Weak gasket Adhesion surface adhesion Fixed tape Not well fixed Noise during Hinge interference Bigger door foam operation Hinge Pin tilted Poor flatness No washer No grease and not enough quantity Malfunction Not closed Interference between door liner and inner liner Refrigerator r Stopper worn out compartment is r Bad freezer compartment door opened when freezer assembly compartment is No stopper closed faulty stopper 2 Odor m Temperature of High Faulty damper control refrigerator m Button is set at weak compartment Door is open interference by food Deodorizer deodorizer Poor capacity 74 67 2 Faults 2 1 Power Problems Causes Checks Measures Remarks No power on Power cord cut Check the voltage with tester Replace the components outlet Faulty connector insertion Check visually Reconnect the connecting parts Faulty connection between plug and adapter Check visually Reconnect the connecting parts Fuse blows out Short circuit by wrong connection Low voltage products are connected to high voltage Short circuit by insects Electricity leakage High voltage Short circuit of components tracking due to moisture and dust penetration Check the fuse wit
86. h tester or visually Check the input volt are with tester between power cord and products Check the resistance of power cord with testerf if it is 00 it is shorted Find and remove the cause of problem ex short high voltage low voltage Replace with rated fuse Replace with rated fuse after confirming its specification fuse blowns out frequently reconfirm the cause and prevent 2 2 Compressor Check other parts Problems Causes Checks Measures Remarks Compressor Faulty PTC Check the resistance If resistance is infinite replace it does not Vlaue is defective with new one operate If it is not infinite it is normal Compressor is frozen If compressor assembly parts are normal capacitor PTC OLP apply power directly to the compressor to force operation Auxiliary winding Main winding Power OLP It starts as soon as it is contacted During forced operation Operates Check other parts Not operate Replace the frozen compressor with new one weld evacuate and recharge refrigerant Refer to weld repair procedures SISONSVIG 218 09 2 3 Rotate rotor manually and check rotation Wire is cut Bad terminal contact Check terminal visually Fan constraint Fan shroud contact Confirm visually Fan icing Co
87. he door switch input detection circuit of the main PWB 1 This function is used in operation test service execution and cleaning etc and performed if pressing the test switch installed at the automatic ice maker itself for more than 0 5 second 2 The test switch operates in the horizontal status and test function is not input in the water supply operation Ice removal control and water supply control is not performed if full ice is arrived during the operation of test function 3 If pressing the test switch for 0 5 second or more in the horizontal status ice removal operation is immediately performed irrespective of the generation conditions of ice at the ice making tray Therefore care is required since water may overflow if operating test function in the water state that ice making is not done A cycle of water supply is performed in the horizontal balancing operation after ice removal operation Therefore you can check any problem of ice removal operation horizontal operation and water supply In this case if test function is normally performed Ding buzzer sound rings and water supply control is performed Thus no ringing of Ding buzzer sound means failure and repair check must be performed 4 If water supply is completed operation in the normal cycle of ice making gt ice removal gt returning to horizontal status gt water supply 62 CIRCUIT CIRCUIT DIAGRAM GR P L 207 247 RA QA Note2 HOME
88. he guideline and the loosening indication line are aligned Control box Aligning with the guide line and the fastening indication line Aligning with the guide line and the loosening indication line After installing water filter Reassemble the lamp cover and the top shelf of the refrigerator To place the top shelf of the refrigerator raise the front part of the shelf a bit so that the hook of the shelf is fit into the groove In order to clean the water filter system drain water for about 3 min Note Then open the door of the refrigerator and check for water droppings on the shelf under the filter 22 HOW INSTALL REFRIGERATOR 3 How to Control the Amount of Water Supplied to Icemaker 3 1 Confirm the amount of water supplied to the icemaker 1 Pull out the ice bank in the upper part of the freezer compartment Caution Do not put hands or tools into the chute to confirm the operation of geared motor it may damage refrigerator or hurt hands Check the operation of motor with its operation noise 2 Apply electricity after connecting water pipe 1 Press test switch under the icemaker for two seconds as shown below 2 The bell rings ding dong and ice tray rotates and water comes out from the icemaker water tube 3 The water shall be supplied two or three times into the tray The amount of water supplied for each time is small Put a water contain
89. home bar while fan motor in the freezing room operates the freezing room fan motor normally operates If being operated in the high speed of RPM it converts operation to the standard RPM However if opening doors of freezing room or home bar the freezing room fan motor stops 4 As for monitoring of BLDC fan motor error in the freezing room MICOM immediately stops the fan motor by determining that the BLDC fan motor is locked or poor if there would be position signal for more than 65 seconds at the BLDC motor Then it displays failure refer to failure diagnosis function table at the display part of refrigerator performs re operation in the cycle of 30 minutes If normal operation is performed poor status is released and refrigerator returns to the initial status reset 2 5 Control of M C room fan motor 1 The M C room fan motor performs ON OFF control by linking with the COMP 2 It controls at the single RPM without varying RPM 3 Failure sensing method is same as in fan motor of freezing fan motor refer to failure diagnosis function table for failure display 2 6 Door opening alarm 1 Buzzer generates alarm sound if doors are not closed even when more than a minute consecutively has passed with doors of freezing cold storage room or home bar opened 2 Buzzer rings three times in the interval of 0 5 second after the first one minute has passed after doors are opened and then repeats three times of On Off alarm in the cycle of eve
90. ing weld joints with touch disconnect the pipes and check the clogging Remove the causes of clogging weld evacuate and recharge the refrigerant If it s warm it s OK If it s not condenser discharging line weld joints might be clogged Disconnect with torch remove the causes evacuate and recharge seal refrigerant Direr must be replaced Leak at loop pipe weld joint discharge in compressor Check sequence 1 Manually check whether condenser is warm It is not warm and the frost forms partly on the evaporator in the freezer compartment Replace the compressor weld evacuate and recharge refrigerant Drier must be replaced Faulty cooling fan in the compressor compartment Check sequence 1 Check cooling fan operation 2 Check that cooling fan is disconnected from the motor Replace if motor does not operate If fan is disconnected check fan damage and reassemble it Refer to fan motor disassembly and assembly sequence SISONSVIG 31sNnOdL 6 2 5 Defrosting failure Problems Causes Checks Measures Remarks No defrosting Heater does not generate heat as the heating wire is cut or the circuit is shorted 1 Heating wire is damaged when inserting into the evaporator 2 Lead wire of heater is cut 3 Heating wire at lead wire contacts is cut Check the resistance of heater 00 Short 0 Cut Tens to thous
91. ing cycles and refrigerant flowing phenomenon by internal pressure difference If sound is servere wrap the accumulator with foam and restrainer Sound of whistle when door closes When door closes the internal pressure of the refrigerator decreases sharply below atomosphere and sucks air into the refrigerator making the whistle sound Check the sound by opening and closing the refrigerator or freezer doors Broaden the cap of discharge hose for defrosting in the compressor compartment Seal the gap with sealant between out and inner cases of hinge in door SISONSVIG 31sNnOdL 98 2 8 Problems Causes Checks Measures Remarks Food Odor Food garlic kimchi etc Check the food is not wrapped Dry deodorizer in the shiny and Check the shelves or inner windy place wall are stained with food juice Store the food in the closed Check the food in the vinyl wraps container instead of vinyl wraps Chedk food cleanliness Clean the refrigerator and set button at strong Plastic Odor Odors of mixed food and plastic Check wet food is wrapped with Clean the refrigerator odors plastic bowl and bag It happens in the new refrigerator Persuade customers not to use plastic bag or wraps with wet food or odorous foods Odor from the deodorizer Odor from the old deodorizer Check the deodorizer odors Dry the deodorize
92. ing test mode always pull the power cord out and then plug in it again for the normal state 5 If nonconforming contents such as sensor failure are found during performance of test mode release the test mode and display the failure code 6 Even if pressing the test button during failure code display test mode will not be performed MODE HANDLING CONTENTS REMARKS Test 1 Press TEST s w once 1 Compressor continuously operates Forced operate 2 Freezer fan high speed RPM Cooling fan Freezer fan is off when continuously operates door is opened 3 Defrost heater is off 4 All display LEDs are on 5 Stepping motor damper is in open conditions baffle is open Test 2 Press TEST s w once at 1 Compressor is off It returns to normal TEST1 conditions 2 Freezer fan Cooling fan are off conditions when the 3 Defrost heater is on temperature of defrost 4 All display LEDs are off Freezer room 2 sensor is above 5 C LED and Refrigerator room 2 LED are Forced defrost only ON 5 Stepping motor damper is in closed baffle is closed Normal Press TEST s w once at Returns to the initial conditions Compressor starts after Conditions TEST2 conditions seven minutes delay 30 EXPLATION FOR MICOM CIRCUIT 1 Explanation for PWB circuit 1 1 Power circuit 1 GR L207ERA GR L247ERA GR B207ERA GR B247ERA Power circuit consists of SMPS SWITCHING MODE POWER SUPPLY power The
93. ion of feed water plug the refrigerator 2 Check leakage at connecting part then arrange water to the earthered wall outlet press the water dispenser tube and locate the refrigerator at its regular place if button for 2 3 minutes and confirm that the water there is no leaking comes out Water Tube Water Tube Nut 20 HOW INSTALL REFRIGERATOR 3 When customer uses bottled water If customer wants to use bottled water extra pump should be installed as shown below 1 The pump system should not be on the floor it may cause noise and vibration Securely fasten the inlet and outlet nuts of pump 2 If there is any leakage after installation cut the water tube at right angle and reassemble 3 When put the water tube end into the bottle leave a clearance between bottle bottom and water tube end 4 Check water coming out and any leakage Caution feed tube is more than 4m less water will come out due to pressure drops standard feed tube to prevent leaking Outternal Filter 1 Filter Fixation 1 Connect feed tube to the filter outlet and water valve connecting tube 2 Fix the filter at proper place around the sink where it is easy to replace the filter and to receive the cleaning water Please consider the length of tube shall be less than 12m when locating filter 3 When fixing the filter use fixing plate and cable depending on the surrounding conditions Wat
94. ispenser Heater INSULATION Cyclo Pentane Home Bar Heater COMPRESSOR P T C Starting Type ANTI FREEZING HEATER Water Tank Heater EVAPORATOR Fin Tube Type Damper Heater CONDENSER Wire Condenser FREEZER LAMP 40W 1 EA REFRIGERANT R134a 185g REFRIGERATOR LAMP 40W 1 EA LUBRICATING OIL FREOL 15G 320 cc DISPENSER LAMP 15W 1 EA DRIER 100 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 lt Front View gt 685 745 796 840 1218 5 lt lt gt SPECIFICATIONS 2 Ref No GR P207 Heater Defrost ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x755 D x1750 H FIRST DEFROST 4 5 Hours NET WEIGHT kg 123 DEFROST CYCLE 13 15 Hours COOLING SYSTEM Fan Cooling DEFROSTING DEVICE Heater Sheath TEMPERATURE CONTROL Micom Control Heater L Cord DEFROSTING SYSTEM Full Automatic ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater lt Front View gt INSULATION Cyclo Pentane Home Bar Heater COMPRESSOR P T C Starting Type ANTI FREEZING HEATER Water Tank Heater EVAPORATOR Fin Tube Type Damper Heater CONDENSER Wire Condenser FREEZER LAMP 40W 1 EA REFRIGERANT R134a 185g REFRIGERATOR LAMP 40W 1 EA LUBRICATING OIL FREOL 15G 320
95. leaking part recharge the Drier must be replaced temperature 1 Check the welded parts of the refrigerant in the freezer compartment drier inlet and outlet and drier auxiliary in the compressor compartment high pressure side 2 Check the end of compressor sealing pipe low pressure side 3 Check silver soldered parts Fe Fe Fe 4 Check bending area of wire condenser pipe in compressor compartment cracks can happen during bending 5 Check other parts compressor compartment and evaporators in freezer compartment Shortage of refrigerant Check frost formation on the surface of evaporator in the freezer compartment If the frost forms evenly on the surface it is OK If it does not it is not good Find out the leaking area repair evacuate and recharge the refrigerant No leaking remove the remaining refrigerant and recharge new refrigerant Drier must be replaced SISONSVIG 31sNnOdL 9 Problems Causes Checks Measures Remarks High temperature in the freezer compartment Cycle pipe is clogged Check sequence 1 Check temperature of condenser manually If it is warm it is OK If it is not compressor discharging joints might be clogged 2 Manually check whether hot line pipe is warm If it is warm it s OK If it is not condenser outlet weld joints might be colgged Heat up compressor discharg
96. location Tray _ Damaged Breaks holes Small Capacity Position of drain 1 Compressor compartment operating sounds Compressor sound Sound from machine itself inserted Sound from vibration Restrainer r Too hard seat Distorted Aged Burnt Stopper Bad Stopper Not fit assembly inner diameter of stopper Tilted Not r Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment O L P sound Chattering sound Insulation paper vibration Capacitor noise Pipe contacts each other Narrow interval Pipe sound No vibration damper E Damping rubber Q Damping rubber S Capillary tube unattached 71 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 7 Sounds 1 Compressor compartment operating sounds Transformer sound Its own fault Core gap Bad connection Correct screw connection Drip tray vibration sound Bad assembly Distortion Foreign materials inside r Back cover machine sound Bad connection Partly damaged L Condenser drain sound E Not connected Bad pipe caulking 2 Freezer compartment sounds Fan motor sound Normal operating sound Vibration sound
97. m tilting point Bank is not full HALL IC ON OUTPUT SIGNALS OFF Bank is full HALL IC ON OUTPUT SIGNALS OFF 1 1 f 12 oem CHECKING LEVEL 30 i i ICE CHECKING E dE CD NO r AXIS Boa 8 0 10 32 41 53 58 80 160 170 Lock Ice making Ice Checking Ice Ejection Lock Original point 2 1 sec Horizontal Level Retrun Conditions Conditions 8 3 sec lt Timing Chart During Ice Ejection gt 59 ICE MAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD 2 5 Test Function 1 It is to force the operation during operation test service and cleaning The test switch is mounted under the automatic ice maker The test function starts when the test switch is pressed for more than 0 5 second 2 Test button does not work during ice ejection and water supply It works when it is in the horizontal conditions If mould is full of ice during test function operation ice ejection control and water supply control do not work 3 When test switch is pressed for more than 0 5 second in the horizontal conditions ice ejection starts irrespect of the mould conditions Water shall be splashed if test switch is pressed before the water in the mould freezes Water shall be supplied while the mould returns to the horizontal conditions after ice ejection Therefore the problems of ice ejection returning to the horizontal conditions and w
98. much food is stored Bad defrosting Check food storage conditions visually Check clogging at intake and discharging port of cooling air Check food occupation ratio in volume Less than 75 Check frost on the evaporator after dissembling shroud and fan grille Check icing at intake port of refrigerator compartment Be acquainted with how to use Check defrost Check ice on the evaporator and pipes after forced defrosting Check the parts related to defrosting if the problem is caused by the faulty defrosting 2 Bad freezer compartment door Faulty gasket Faulty assembly Check gasket attachment conditions Check door assembly conditions Correct the gasket attachement conditions and replace it Door assembly and replacement Replace when it can not be repaired 3 Over freezing in the freezer compartment Faulty MICOM Refrigerator operates pull down Check if it is operated intermittently The Temperature of freezer compartment is satisfactory but over freezing happens in the refrigerator compartment even though the notch is set at weak Replace defective parts 4 Bad defrosting Heater wire is cut Faulty defrost sensor Defrosting cycle Check frost on the evaporator after dissembling shroud and grille Check ice on the intake port in the refrigerator compartment Check parts related to defrosting Check defrosting Che
99. n 2 8 page 18 Change main PWB Is DC Power 5V and 12V output normal Failed DC Power Check DC power 5V 12V Is cube ice led off during troubleshooting check gt Replace Ice makin Failed ice making sensor ang Sensor Check the resistance of both ends 1 2 of ice making sensor of CON9 Defects between ice making sensor and board Pin No 60 of IC1 Is Crushed Ice LED off during Failed Ice Maker Unit troubleshooting check Replace Ice Maker Unit Replace Main PWB Is the resistance of both ends 9 10 of ice ejection motor of 9 between 18 and 220 No Is ice ejection motor drive circuit 11 and peripheral circuits normal Defects between Hall IC and Board Pin No 42 of IC1 Confirm ice ejection and level return when pressing test switch N Failed ice maker unit test switch Replace Ice maker Unit Are both ends 5 6 of CON9 test switch open Defects between test switch and board Pin No 43 of IC1 Are both ends 3 4 of CON9 ice maker stop switch short Are ice ejection and level return normal when test switch is pressed for more than 0 5 second Does the bell sound once Is water suppy normal No after Ice ejection and level return by ice ejection motor Poor water supply Replace water supply valve Is power applied to water su
100. n adjusting refrigerator only The food in the chilled drawer is not frozen but defrosted The chilled drawer does not freeze food Use chilled drawer for storing fresh meat or fish for short periods For storing for a long periods or freezing food use a freezer compartment It is normal that frozen foods thaw above the freezing temperature in the chilled drawer Refrigerator water is not cool Check the water storage location f water is kept in the door rack please ask to keep it in the refrigerator compartment shelf It will then become cooler Ice cream softens E Explain the characteristics of ice cream freezing point of ice cream is below 15 C Therefore ice cream may melt if itis stored in the door rack Store ice cream in a cold place or set the temperature control button of a freezer at strong position Refrigeration is too strong Check the position of temperature control button Check if refrigeration is strong in whole area of the refrigerator or partly near the outlet of the cooling air If it is strong in whole area set the control button at weak If it is strong only near the outlet of cool air keep food particularly wet and easy to frozen such as bean curd and vegetables away from the outlet Vegetables are frozen Check the vegetables storage If vegetables are stored in the refrigerator shelf or chilled drawer instead of vegetable drawer they
101. nd refrigerant for compressor and drier Confirm N2 sealing and packing conditions before use Use good one for welding and assembly Weld under nitrogen gas atmosphere N2 gas pressure 0 1 0 2kg cm Repair in a clean and dry place Pipe Cutter Gas welder gas Evacuate for more than forty minutes after connecting manifold gauge hose and vacuum pump to high drier and low compressor refrigerant discharging parts pressure sides Evacuation Speed 113 min Vacuum pump R134a exclusively Manifold gauge Refrigerant charging and charging inlet welding Weigh and control the allowance of R134a bombe ina vacuum conditions to be 5 g with electronic scales and charge through compressor inlet Charge while refrigerator operates Weld carefully after inlet pinching R134a exclusive bombe mass cylinder refrigerant R134a manifold gauge electronic scales punching off flier gas welding machine Check refrigerant leak and cooling capacity Check leak at weld joints Minute leak Use electronic leak detector Big leak Check visually or fingers Note Do not use soapy water for check Check cooling capacity Check radiator manually to see if warm Q Check hot line pipe manually to see if warm Check frost formation on the whole surface of the evaporator Electronic Leak Detector Driver Ruler Compressor compartment and tools arrangemen Remove flux fr
102. nfirm visually Maintain clearance and remove ice Repair and or replace shroud if fan is constrained by shroud deformation Problems Causes Checks Measures Remarks High Poor cool air circulation due to faulty Lock Check resistance with a Replace fan motor temperature fan motor tester in the freezer 00 short compartment Q Cut Reconnect and reinsert Faulty fan motor due to faulty door switch operation Iced button faulty operation Press button to check Faulty button pressure and contact Press button to check operation Door cannot press door switch button Check visually Confirm icing causes and repair Replace door switch Door sag fix door Door liner bent replace door or attach sheets Bad radiation conditions in compressor compartment Check the clearance between the refrigerator and wall 50 mm in minimum Check dust on the grill in compressor compartment Check dust on the coils condenser Keep clearance between refrigerator and walls minimum 50mm Remove dust and contaminants from grill for easy heat radiation Remove the dust with vacuum cleaner from the coils condenser while the refrigerator is off The fan may be broken if cleaning performs while the refrigerator is on SISONSVIG 31sNnOdL SJs 2 4 Cooling Problems Causes Checks Measures Remarks High Refrigerant leak Check sequence Weld the
103. nnect defective terminal connection is contact terminal to bad Lead Wire Defective LED Defective LED Check if all LEDs are on when Replace display Refer to display module Main PCB Test switch is PCB circuit in circuit pressed or when both freezer key and power freezer key are pressed at the same time for more than one second explanation SISONSVIG 318sNnOdL 88 Problems Symptom Causes Checks Measures Remarks Bad cooling Freezer temperature is high Compressor does not start Compressor Lead Wire is cut Check compressor Lead Wire with a tester Reconnect Lead Wire Defective compressor Measure voltage at PCB 5 Replace relay RY1 Refer to load driving relay 3 amp 9 after pressing main PCB RY14 or PCB driving circuit in test switch once It is OK if circuit voltage is normal explanation Defective freezer Defective Freezer Check resistance of freezer Replace freezer Refer to sensor sensor parts sensor with a tester sensor resistance characteristics table of sensor in circuit Freezer sensor is substituted for other sensor Confirm the color of sensor in circuits main PCB sensor housing Repair main PCB sensor housing explanation Defective freezer fan motor Fan motor lead wire is cut Check fan motor lead wire with a tester Reconnect lead wire Defective door
104. nsation RCR1 compensation 180 5 C 180 2 5 C Warmly 56 kQ 4 C 56 kQ 2 0 C compensate 33 3 C 33 1 5 C 18 2 18 1 0 C 12 1 C 12 0 5 C 10 0 C 10 0 C Reference temperature 8 2 kQ 1 C 8 2 0 5 C 5 6 2 C 5 6 1 0 C 3 3 kQ 3 C 3 3 kQ 1 5 C 2 4 C 2 2 0 C Coolly 470 Q 5 4700 2 5 C compensate gt Temperature compensation table by adjustment value difference value against current temperature Ex If changing compensation resistance at cold storage room RCR1 from 10 current resistance to 18 modified resistance temperature at the cold storage will increase by 1 43 FOR MICOM CIRCUIT gt Temperature compensation table at the cold storage room is as follows Modification 2 4700 2kQ 5 6kQ 2kO 10kO 12kO 18kO 33kO 56kQ 180 resistance No 0579 1 C 1 5 C 2 C 25 3 lt 350 4 45 5 470Q change Up Up Up Up Up Up Up Up Up Up 0 5 C No 05 C 1 C 1 5 C 2 C 2577 3 C 35 4 C 45 C 2 Down change Up Up Up Up Up Up Up Up Up 17 0 5 C No 05 C 1 C 15 C 2 C 2 5 3 35 C 4 3 3 Down Down change Up Up Up Up Up Up Up Up 15 C 1 C 05 No 0 5 C 17 157 2 C 25 C 3
105. oling Fan sound in the compressor compartment There is a fan on the back of the refrigerator which cools the compressor compartment If there is a small space between the refrigerator and the wall the air circulation sounds may be noticeable Noise of Compressor This operating sound happens when the compressor compresses the refrigerant The compressor rotates at 3600RPM The sound of compressor operation becomes louder as the refrigerator capacity increases Click sounds Explain the principles of temperature change The sounds happens when pipes and internal evaporator in the refrigerator compartment expand and contract as the temperature changes during the refrigerator operation This sound also happens during defrosting twice a day when the ice on the evaporator melts Clunk sound Explain that it comes from the compressor when the refrigerator starts When the refrigerator operates the piston and motor in the compressor rotate at 3600RPM This sound is caused by the vibration of motor and piston when they start and finish their operation This phenomena can be compared with that of cars When the car engine ignites and starts to rotate the loud sound becomes gradually quiet When the engine stops it stops with vibration Vibration sound Check the sound whether it comes from the pipes vibration and friction Insert rubber or leave a space between pipes to avoid the noise Fix the fan
106. om the silver weld joints with soft brush or wet rag Flux may be the cause of corrosion and leaks Clean R134a exclusive tools and store them in a clean tool box or in their place Copper brush Rag Tool box Transportation and installation Installation should be conducted in accordance with the standard installation procedure Leave space of more than 5 cm from the wall for compressor compartment cooling fan mounted model 93 TROUBLE DIAGNOSIS 3 3 Precautions During Heavy Repair Items Precautions 1 Use of tools 1 Use special parts and tools for R134a 2 Removal of retained refrigerant 1 Remove retained refrigerant more than 5 minutes after turning off a refrigerator If not oil will leak inside 2 Remove retained refrigerant by cutting first high pressure side drier part with a nipper and then cut low pressure side If the order is not observed oil leak will happen Evaporator Compressor Low pressure side Condenser High pressure side 3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing welding 1 Weld under nitrogen atmosphere in order to prevent oxidation inside a pipe Nitrogen pressure 0 1 0 2 kg cm2 5 Others 1 Nitrogen or refrigerant R134a only should be used when cleaning inside of cycle pipes insid
107. on Switch Meats Vegetables 16 Humidity Switch Milk product corner Lamp Shelf Door rack Wine holder optional Egg Box Snack drawer Refreshment center optional Shelf Door rack Vegetable drawer Vegetable drawer Meat drawer PARTS IDENTIFICATION 3 Ref No GR B247 GR B207 Cover Hinge p und Cover PWB ANA Freezer Refrigerator Compartment Compartment ME aD Ice Bank Assy u BB Lamp Shelf Steel 7 T Glass Drawer or Shelf a _ optional Drawer e Door rack Lower Cover ower Cove Conversion Switch Meats Vegetables 17 Humidity Switch Milk product corner Lamp Shelf Door rack Wine holder optional Egg Box Snack drawer Shelf Door rack Vegetable drawer Vegetable drawer Meat drawer HOW INSTALL REFRIGERATOR 1 How to Adjust Door Height of Refrigerator Make the refrigerator level first If the refrigerator is not installed on the flat floor the height of freezer and refrigerator door may not be the same 1 If the height of freezer door is lower than that of 2 If the height of freezer door is higher than that of refrigerator compartment
108. ounds like Whizz produced by a motor to rotate an ice tray and ice dropping and hitting ice bank sounds are also heard Noise when supplying water B Explain the principles of water supplied to dispenser When the water supply button in the dispenser is pressed the water supply valve in the compressor compartment opens and let the water flow to the water tank in the lower part of the refrigerator compartment The water is dispensed by this pressure When this happens motor sound and water flowing sound are heard Noise when supplying ice Explain the principles of ice supply and procedure of crushed ice making in a dispenser When ice cube button is pressed ice stored in the ice bank is moved by a Helix Pusher and dispensed If crushed ice button is pressed the cube ice is crushed When this happens ice crushing and hitting ice bank sounds are heard 100 TROUBLE DIAGNOSIS 4 2 Measures for Symptoms on Temperature Problems Checks and Measures Refrigeration is weak Check temperature set in the temperature control knob Refrigerator is generally delivered with the button set at normal use MID But customer can adjust the temperature set depending on their habit and taste If you feel the refrigeration is weak then set the temperature control button at strong position If you adjust the button in the freezer compartment as well the refrigeration is stronger tha
109. porator does not cool 2 Short pipe insert from the beginnig no evidece ie Pipe gaps Too large of misture attached IR The evaporator is the same Too much solder as before even heat is applied The capillary tube inserted depth Too much Drier cloggeing Capillary tube melts Over heat Clogged with foreign materials Desiccant powder Weld oxides Drier angle Reduced cross section by cutting Squeezed Compressor is disconnected Foreign material clogging Foreign materials are in the pipe 66 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak 1 Refrigerant Partly leaked Weld joint leak Parts leak 2 Poor defrosting capacity r Drain path pipe clogged generate heat r Inject P U into drain hose Defrost heater does not Parts r Plate disconnected heater Cord heater Inject through the hole Seal with drain Foreign materials P U lump input penetration Screw input Other foreign materials input Cap drain is not disconnected r Wire is cut Heating wire Contact point between heating and electric wire Dent by fin evaporator Poor terminal contacts r Wire is cut Lead wire Heating wire Contact point between heating and electric wire Heating wire is corrode
110. power on cord rBad connection between adapter and outlet faulty adapter The Inner diameter of adapter The distance between holes The distance between terminals The thickness of terminal Bad connection between plug and adapter faulty plug r The distance between pins Pin outer diameter 3 Shorted start circuit power cord Faulty soldering Internal electrical short Faulty terminal contact Loose contact Large distance between male terminal Thin female terminal Terminal disconnected Bad sleeve assembly Disconnected Weak connection Short inserted cord length Worn out tool blade LOLPisof Capacity of O L P is small Characteristics of O L P is bad Bad connection Power is disconnected Inner Ni Cr wire blows out Bad internal connection Faulty terminal caulking Cu wire is cut Bad soldering No electric power on compressor Faulty compressor Power does not conduct Damage Bad characteristics Initial resistance is big Bad connection with Be loose compressor Assembly is not possible Bad terminal connection Faulty 4 During defrost automatic defrost Cycle was set at defrost when the refrigerator was produced m No power on p Disconnected copper wire Power cord is disconnected Measuring instrument Multi tester E Check the voltage If the voltage is within 85 of
111. pply valve Does the water supply valve work normally Is the water supply line normally connected 61 ICE MAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD 4 Ice maker circuit part CONS 11 em MAKER SENSOR 2 E 79 ICE MAKER 4 STOP S W al 5 o ICE MAKER TEST 5 2 s HALL 1 7 8 718 CE9 R59 R60 100uF 44 M 47K Forward 5 25V 45 Reverse 6 a 9 ae ICE MAKER CM4 MOTOR 2 10 The above maker circuit is applied the R S65DQG DSG R S65DRG consists of the ice maker unit part installed at the freezing room and the ice maker driving part of the main PWB Water supply to the ice maker container is done by opening the valve for the established water supply time by operating the container via a solenoid relay for the ice valve of the solenoid valve placed at the M C room If the water supply time is elapsed water supply is automatically stop This circuit is a circuit for implementing function such as ice removal ice full detection horizontal balancing and sense of ice making temperature for the ice maker container Since ice making temperature sense is same as in the temperature sense circuit part of the main PWB refer to it Test switch input detection of the ice maker is same as in t
112. r liner dimension Contraction inner liner Misalignment Bad terminal connection P U liquid leak Check the fan motor conduction OK No conduction NG 68 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak 4 No cooling air circulation Faulty fan motor Fan is constrained Small cooling air Insufficient discharge motor RPM Shorud Fan shroud contact Clearance Damping evaporator contact Accumulated residual frost Fan overload Fan misuse Rated power misuse Low voltage Faulty fan misuse r Bad shape Loose connection Not tightly connected Insert depth Bent Ice and foreign materials on rotating parts 5 Compressor capacity Rating misuse Small capacity Low valtage 6 Refrigerant r Malfunction of charging cylinder too much or too little Wrong setting of refrigerant 7 Continuous operation Insufficient compressor Faulty compressor No contact of temperature controller Foreign materials 8 Damper opens continuously m Foreign materials P U liquid dump jammed r EPS water sediment Screw Failed sensor Position of sensor Characteristics Bad characteristics of its own temperatue of damper misuse
113. r malfunction Door sag Food hinders door closing Gap around gasket Contraction distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food 2 Condensation in the refrigerator compartment rDooropens f Insufficient closing but not closes Door sag Food hinders door closing Gasket gap 3 Condensation on liner foam Coolairleak Not fully filled Toop table part and transmitted Out plate R L part Flange gap Not sealed Gasket gap E Inspect parts measurements and check visually 70 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 6 Dew and ice formation 7 Sounds 4 Dew on door r Dew on the duct door Duct door heater is cut Dew on the dispense Recess Heater is cut recess Duct door is open Foreign material clogging Dew on the door surface Not fully filled Surface Liquid shortage Cormer Liquid leak P U liquid contraction q Dew on the Bad wing adhesion i sag lower part gasket surface Door liner shape mismatch Corner 1 much notch Broken Home Bar heater is cut 5 Water on the floor r Dew in the refrigerator compartment Defrosted water overflows Clogged discharging hose Discharging hose Evaporation tray located at wrong place
114. r with dryer and then in the shiny and windy place Remove and replace the deodorants Deodorizer option SISONSVIG JTINOHL 8 2 9 Micom Problems Symptom Causes Checks Measures Remarks Bad PCB All display Bad connection Bad connector Visual check on connector Reconnect electric power LEDS are off between Main connection from main connection connector and display circuit PCB to display PCB Defective PCB trans PCB Trans winding is Check resistance of PCB Trans Replace PCB Trans Applicable to cut PCB Trans temperature fuse is burnt out input and output terminals with a tester If resistance is infinity trans winding is cut or PCB model without dispenser DefectivePCB electric Defective regulator IC Check voltage at input output Replace regulator Refer to electric circuit parts 7812 7805 terminals circuit in circuit explanation PCB electric terminal Check fuse in PCB electric Replace PCB fuse fuse is burnt out terminal with a tester STR Parts are Check if STR No 2 and 3 pins Replace parts Applicable to damaged are cut when power is off model with dispenser Abnormal Bad connection Lead Wire connecting Check Lead Wire terminals Reconnect Lead display LED between Main PCB main PCB and display connecting Main PCB and Wire and directly operation and display circuit PCB is cut or connector display PCB with a tester co
115. ring part IC7 No 10 No 11 No 12 No 14 No 16 ON Within 1 V Status OFF 12V POWER IC1 RY1 6 CON2 KID650034P RUNNING CAPACITOR 4 5 P73 OLP 4 AIN13 575 ____ 5 6 10 2 11 ann 8 7 3 FUSE MELTING 72 C DEF HEATER H BAR 2008 Ae DOOR S W s w CONS M9 1 S W oy WY 5 os F LAMP H BAR HEATER POG 34 EXPLATION FOR CIRCUIT 2 Dispenser operation circuit IC6 POWER KID65003AP 9 ice CON3 13 4 5 74 AN 5 ox AIN14 AUGER MOTOR YS ALD112 ee 3 4 ONGD 5 12100115 6 75 cite 48 CON4 1 MD65003AP RY7 fw ALD112 e e 5 o i i E 14148 16 1 1 8 ANI WATER mE i 3 ALD112 TM 15 9
116. ry 30 seconds 3 If all the doors of freezing cold storage room or home bar are closed during door open alarm alarm is immediately released Doors of freezing cold storage room Closing Opening Closing Opening Closing or home bar 3 Times 3 Times 3 Times 3 Times BUZZER 4 gt lt gt lt gt Within A minute 30 30 30 a minute seconds seconds seconds 2 7 Ringing of button selection buzzer 1 If pressing the front display button Ding sound rings 2 8 Ringing of compulsory operation compulsory frost removal buzzer 1 If pressing the test button in the main PCB Phi sound rings 2 In selecting compulsory operation alarm sound is repeated and completed in the cycle of On for 0 2 second and Off for 1 8 second three times 3 In selecting compulsory frost removal alarm sound is repeated and completed in the cycle of On for 0 2 second Off for 0 2 second On for 0 2 second and Off for 1 4 second three times 27 FUNCTION 2 9 Frost removal function 1 Frost removal is performed whenever total operation time of compressor becomes 7 7 5 hour 2 In providing initial power or returning power failure frost removal starts whenever total operation time of compressor becomes 4 4 5 hour 3 Frost removal is completed if temperature of a frost removal sensor becomes more than 5 C after starting frost removal Poor frost removal is not displaced if i
117. should be reduced to system opening time Comp within Moisture half of the standards during rain and 10 minutes Penetration rainy seasons the penetration of water Drier within into the pipe is dangerous 20 minutes 2 Welding Nitrogen Weld under To protect Refet to repair note in each part Pressure Nitrogen oxide scale 134 refrigerant is more susceptible to atmosphere formation leaks than R12 and requires more care N2 pressure during welding 0 1 0 2 kg cm Do not apply force to pipes before and after welding to protect pipe from cracking 3 sealed parts Confirm N2 Confirm air leaking To protect In case of evaporator parts if it doesn t leak sounds when moisture noise when removing rubber cap blow removing rubber penetration dry air or N2 gas for more than 1 min cap use the parts Sound usable No sound not usable 4 Refrigeration Evacuation Min More than To remove Cycle time 40 minutes moisture Vacuum Torr Below 0 03 ref Note Only applicable to the model degree equipped with reverse flow protect plate Vacuum EA High and low Vaccum efficiency can be improved by Pressure sides are operating compressor during evacuation evacuated at the same time for models above 200 Vacuum EA Use H134a To protect The rubber pipes for R12 refrigerant shall piping exclusive mixing of be melted when they are used for R134a manifold mineral and refrigerant causes of leak ester oils Pipe E
118. t opening freezer compartment door 2 Crushed Ice is automatically selected when power is initially applied or reapplied after power cut 3 When dispenser selection switch is continuously pressed light is on in the following sequence Water gt Cube Ice gt Crushed Ice 4 Lamp is on when dispenser rubber button is pressed and vice versa 5 When dispenser crushed ice rubber button is pressed dispenser solenoid and geared motor work so that crushed ice can be dispensed if there is ice in the ice bank 6 When dispenser cube ice rubber button is pressed dispenser solenoid cube ice solenoid and geared motor work so that cube ice can be dispensed if there is ice in the ice bank 7 When dispenser water rubber button is pressed water valve opens and water is supplied if water valve is normally installed on the right side of the machine room 8 Ice and water are not available when freezer door is open This is for refrigerator assembly line and service When ice making test switch is pressed it operates in the following steps initial ice ejection gt water supply control steps s p 57 ICE MAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD 2 Function of Ice Maker 2 1 Initial Control Function 1 When power is initially applied or reapplied after power cut it detects level of ice maker cube mould after completion of MICOM initialization The detecting lever moves up and do
119. t does not arrive at 5 C even if two hours have passed after starting frost removal 4 No removal is done if frost removal sensor becomes poor snapping or short circuit 2 10 Sequential operation of built in product Built in products such as compressor frost removal heater freezing room fan Cooling Fan and step motor damper are sequentially operated as follows for preventing noise and part damage occurred due to simultaneous operation of a lot of parts in applying initial power and completing test Function Load Operation Sequence Remark When temperature If error occurs of a frost removal during operation 0 5 0 3 0 3 0 3 sensor becomes POWER COMP seo FRAN cco se sec py ARS initial operation is more than 25 C gt gt gt not done C FAN HEATER In purchase ON ON ON ON movement 5 2 When M temperature of a 0 5 8 03 frost removal POWER sec sec REMOVAL sec AR ie becomes gt gi HEATER HEATER HEATER 2 less than 25 C ON ON OFF OFF In power failure service 0 3 5 0 3 WATER 5 0 3 sec WATER sec WATER Sec sec COMP F FAN L TANK TANK amp HEATER EE ON C FAN ON OFF ON ON Test mode 1 If pressing switch Compulsory TEST 0 3 0 3 F FAN 0 3 STEP once more in the function S W
120. the rated voltage it is OK li Check the terminal movement E Check both terminals of power cord Power conducts OK No power conducts NG E Check both terminals of O L P If power conducts OK If not NG E Check the resistance of both terminals At normal temperature 6 OK If disconnected 65 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 2 No cooling 2 Refrigeration system is clogged E Check the clogged m Moisture Residual moisture Air Blowing p Not performed evaporator by heating as clogged in the evaporator Too short soon as the cracking sound begins the evaporator start Impossible moisture freezl confirmation reezing Low air pressure r Leave it in the air During rest time After work Caps are missed Residual moisture Not dried in the compressor r Elapsed more than 6 months after drying Caps are missed No pressure when it is open electric Insufficient drier DY drier Drier temperature poweron capacity Leave itin the air r Check on package therm condition ostat Good storage after finishing p Residual moisture Caps are missed During transportation During work Air blowing Not performed Performed Too short time Low air pressure L Less dry air Moisture penetration Leave it in the air Moisture penetration into the refrigeration oil The eva
121. tor shelves and pipes in the refrigerator 1 1 Check time and place of sound sources 1 Explain the principles of refrigeration and that the temperature difference between operation and defrosting can make sounds 2 If evaporator pipe contacts with other structures leave a clearance between them freezer shroud or inner case SISONSVIG 31sNnOdL 68 Problems Causes Checks Measures Remarks Sound Burping almost the same as animals crying sound It happens when refrigerant expands at the end of capillary tube Check the sound of refrigerant at the initial installation Check the sound when the refrigerator starts operation after forced defrosting Check the restrainer attachment conditions on the evaporator and capillary tube weld joints Check the restrainer attached on the evaporator and capillary tube weld joints and attach another restrainer If it is continuous and servere insert capillary tube again depth 15 3mm Fasten the capillary tube to suction pipes or detach in the compressor compartment Explain the principles of freezing cycles Water boiling or flowing sound It happens when refrigerant passes orifice in accumulator internal pipes by the pressure difference between condenser and evaporator Check the sound when compressor is turned on Check the sound when compressor is turned off Explain the principles of freez
122. uously main PCB to door switch switch with a tester rings or door Defective door switch parts Refer to door switch in parts repair Replace door switch opening alarm guide does not work Defective Buzzer does Key input wire is cut or bad connector Check input wire with a tester Reconnect lead Refer to display display button not ring and key does not sense even button is pressed terminal contact in main PCB and display PCB connecting lead wire wire and replace or directly connect bad contact terminal to lead wire circuit in circuit explanation Key is continuously depressed due to structural interference Disassemble frame display and confirm visually Adjust or replace interfering structures SISONSVIG JTINOHL 16 Problems Symptom Causes Checks Measures Remarks Defective display button Buzzer rings but key does not sense even Trouble mode indication Check trouble diagnosis function Repair troubles Refer to mode indication in function button is explanations pressed Door Buzzer Buzzer Defective connecting lead wire from Check lead wire associated with door Repair lead wire Check model continuously rings or door opening alarm does not work main PCB to door switch switch Defective freezer compartment door switch parts Refer to door switch in parts repair guide Replace Freezer compartment door switch
123. wn 2 The level of ice maker cube mould is judged by output signal high and low signal of Hall IC Make the cube mould to be horizontal by rotating ice ejection motor in normal or reverse direction so that High Low signal can be applied to MICOM Pin No 44 3 If there is no change in signals one minute after the geared motor starts to operate it stops icemaker operation and check the signal every hour It resets initialization of icemaker when it becomes normal 4 judges that the initial control is completed when it judges the ice maker cube mould is horizontal 5 Ice ejection conducts for 1 cycle irrespect of ice in the ice bank when power is initially applied 2 2 Water Supply Control Function 1 This is to supply water into the ice maker cube mould by operating water valve in the machine room when ice ejection control is completed and ice maker mould is even 2 The quantity of water supplied is determined by DIP switch and time Water Supply Quantity Table gt No WATER SUPPLY TIME REMARKS S W 1 S W 2 S W 3 1 OFF OFF OFF 6 5 Sec 2 ON OFF OFF 5 5 Sec quantity of water supplied depends on DIP switch setting 3 OFF ON OFF 6 Sec conditions and water pressure as it is 4 ON ON OFF 7 Sec a direct tap water connection type the water supplied is generally 80 cc 5 OFF OFF ON 7 5 Sec to 120 cc 6 ON OFF ON 8 Sec DIP switch is on the main PWB 7 OFF O

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