LG LRSPC2031BS Скачать руководство пользователя страница 7 | Manualshive

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SPECIFICATIONS

- 7 -

ITEMS

SPECIFICATIONS

DIMENSIONS (mm)

890(W)

X

755(D)

X

1750(H)

NET WEIGHT (kg)

120

COOLING SYSTEM

Fan Cooling

TEMPERATURE CONTROL

Micom Control

DEFROSTING SYSTEM

Full Automatic

Heater Defrost

INSULATION

Cyclo-Pentane

COMPRESSOR

P.T.C. Starting Type

EVAPORATOR

Fin Tube Type

CONDENSER

Wire Condenser

REFRIGERANT

R134a (185g)

LUBRICATING OIL

FREOL @15G (320 cc)

DRIER

1Ø0.83

ITEMS

SPECIFICATIONS

CAPILLARY TUBE

MOLECULAR SIEVE XH-7

FIRST DEFROST

4 - 5 Hours

DEFROST CYCLE

13 - 15 Hours

DEFROSTING DEVICE

Heater, Sheath

Heater, L-Cord

ANTI SWEAT HEATER

Dispenser Duct Door Heater

Dispenser Heater

ANTI-FREEZING HEATER

Water Tank Heater

Damper Heater

FREEZER LAMP

40W (1 EA)

REFRIGERATOR LAMP

40W (1 EA)

DISPENSER LAMP

15W (1 EA)

1750

1720

1750

600

948

890

660

711

755

1133.5

<Front View>

<Plane View>

4. Ref No. : GR-L207

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Содержание LRSPC2031BS

Страница 1: ... CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK BEFORE CHECKING OR OPERATING THE REFRIGERATOR REFRIGERATOR SERVICE MANUAL Ref No GR L207ERA MODEL LRSPC2031BS COLOR EMBO BISQUE http biz lgservice com GR L247ERA LRSPC2331BS ...

Страница 2: ...SISTANCE CHARACTERISTIC TABIE PWB PARTS DRAWING AND LIST PWB CIRCUIT DRAWING ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 53 WORKING PRINCIPLES FUNCTION OF ICE MAKER ICE MAKER TROUBLESHOOTING ICE MAKER CIRCUITS CIRCUIT 58 TROUBLE DIAGNOSIS 60 TROUBLE SHOOTING 60 FAULTS 70 COOLING CYCLE HEAVY REPAIR 87 HOW TO DEAL WITH CLAIMS 94 HOW TO DISASSEMBLE AND ASSEMBLE 99 DOOR 99 HANDLE 100 SHROUD ...

Страница 3: ...em 7 Make sure the hook is correctly engaged Remove dust and foreign materials from the housing and connecting parts 8 Do not fray damage machine heavily bend pull out or twist the power cord 9 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 10 Do not touch the icemaker with hands or...

Страница 4: ...EFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 1Ø0 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 ITEMS SPECIFICATIONS FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath Heater L Cord ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater Home Bar Heater ANTI FREEZING HEATER Water Tank Heater Damper Heater FREEZER LAMP 40W 1 EA REFRIGERATOR LAMP 40W 1 EA...

Страница 5: ...EFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 1Ø0 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 1750 1720 1750 600 948 890 660 711 755 1133 5 Front View Plane View 2 Ref No GR P207 ITEMS SPECIFICATIONS FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath Heater L Cord ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater Home Bar Heater ANTI FREEZING HE...

Страница 6: ...denser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 1Ø0 83 ITEMS SPECIFICATIONS CAPILLARY TUBE MOLECULAR SIEVE XH 7 FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath Heater L Cord ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater ANTI FREEZING HEATER Water Tank Heater Damper Heater FREEZER LAMP 40W 1 EA REFRIGERATOR LAMP 40W 1 EA DISPENS...

Страница 7: ...denser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 1Ø0 83 ITEMS SPECIFICATIONS CAPILLARY TUBE MOLECULAR SIEVE XH 7 FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath Heater L Cord ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater ANTI FREEZING HEATER Water Tank Heater Damper Heater FREEZER LAMP 40W 1 EA REFRIGERATOR LAMP 40W 1 EA DISPENS...

Страница 8: ...Type CONDENSER Wire Condenser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 1Ø0 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 ITEMS SPECIFICATIONS FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath Heater L Cord ANTI SWEAT HEATER Home Bar Heater ANTI FREEZING HEATER Damper Heater FREEZER LAMP 40W 1 EA REFRIGERATOR LAMP 40W 1 EA DISPENSER LAMP 15W 1 EA 1750 1...

Страница 9: ...Type CONDENSER Wire Condenser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 1Ø0 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 1750 1720 1750 600 948 890 660 711 755 1133 5 Front View Plane View 2 Ref No GR C207 ITEMS SPECIFICATIONS FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath Heater L Cord ANTI SWEAT HEATER Home Bar Heater ANTI FREEZING HEATER Damper H...

Страница 10: ...PORATOR Fin Tube Type CONDENSER Wire Condenser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 1Ø0 83 ITEMS SPECIFICATIONS CAPILLARY TUBE MOLECULAR SIEVE XH 7 FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath Heater L Cord ANTI FREEZING HEATER Damper Heater FREEZER LAMP 40W 1 EA REFRIGERATOR LAMP 40W 1 EA DISPENSER LAMP 15W 1 EA 1750 1720 1750 685 948 ...

Страница 11: ...ing Type EVAPORATOR Fin Tube Type CONDENSER Wire Condenser REFRIGERANT R134a 185g LUBRICATING OIL FREOL 15G 320 cc DRIER 1Ø0 83 ITEMS SPECIFICATIONS CAPILLARY TUBE MOLECULAR SIEVE XH 7 FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath Heater L Cord ANTI FREEZING HEATER Damper Heater FREEZER LAMP 40W 1 EA REFRIGERATOR LAMP 40W 1 EA DISPENSER LAMP 15W 1 EA 1750 1720 1...

Страница 12: ... Humidity Switch Lamp Shelf Egg Box Snack drawer Vegetable drawer Vegetable drawer Meat drawer Door rack Refreshment center optional Shelf Door rack Wine holder optional Lamp Shelf Drawer or Shelf optional Lower Cover Milk product corner Door rack Drawer Freezer Compartment Refrigerator Compartment Automatic ice maker Door rack 1 Ref No GR P247ER GR P207ER ...

Страница 13: ...ity Switch Lamp Shelf Egg Box Snack drawer Vegetable drawer Vegetable drawer Meat drawer Door rack Refreshment center optional Shelf Door rack Wine holder optional Lamp Shelf Drawer or Shelf optional Lower Cover Milk product corner Door rack Drawer Freezer Compartment Refrigerator Compartment Automatic ice maker Door rack Conversion Switch Meats Vegetables ...

Страница 14: ...Box Snack drawer Vegetable drawer Vegetable drawer Meat drawer Door rack Guide bottle Shelf Door rack Wine holder optional Lamp Shelf Drawer or Shelf optional Lower Cover Milk product corner Door rack Drawer Freezer Compartment Refrigerator Compartment Automatic ice maker Door rack Conversion Switch Meats Vegetables 3 Ref No GR L247ER GR L207ER ...

Страница 15: ...nversion Switch Meats Vegetables Humidity Switch Lamp Shelf Egg Box Snack drawer Vegetable drawer Vegetable drawer Meat drawer Door rack Guide bottle Shelf Door rack Wine holder optional Lamp Shelf Drawer or Shelf optional Lower Cover Milk product corner Door rack Drawer Freezer Compartment Refrigerator Compartment Automatic ice maker Door rack ...

Страница 16: ...elf Egg Box Snack drawer Vegetable drawer Vegetable drawer Meat drawer Door rack Refreshment center optional Shelf Door rack Wine holder optional Lamp Shelf Drawer or Shelf optional Lower Cover Milk product corner Door rack Drawer Freezer Compartment Refrigerator Compartment Door rack 1 Ref No GR C247EC GR C207EC ...

Страница 17: ... Lamp Shelf Egg Box Snack drawer Vegetable drawer Vegetable drawer Meat drawer Door rack Shelf Door rack Wine holder optional Lamp Shelf Drawer or Shelf optional Lower Cover Milk product corner Door rack Drawer Freezer Compartment Refrigerator Compartment Door rack 3 Ref No GR B247 GR B207 GR B197 ...

Страница 18: ...eight of freezer door is higher than that of refrigerator compartment Insert a driver B into the groove A of adjusting screw and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal Insert a driver B into the groove A of adjusting screw and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal HOW TO INSTALL REFRIGERATOR 18 Adjusting S...

Страница 19: ...firm the following installation parts HOW TO INSTALL REFRIGERATOR 19 Class Shape and Spec Nomenclature P No Remarks Valve Feed 5221JA3001A Common Use Connector MECH Pipe 4932JA3003A Conversion Connector 3 4 6631JA3004A No Holes Balance Conector 3 4 6631JA3004B Packing ø24x3t 3920JA3001B Connector MECH Pipe 4932JA3003B Conversion Connector W25 6631JA3004C No Holes Balance Conectoor W25 6631JA3004D ...

Страница 20: ...nser button for 2 3 minutes and confirm that the water comes out Caution Feed pipe should be connected to cold water line If it is connected to hot water line trouble may occur Please check rubber packing when connecting feed pipe 2 Check leakage at connecting part then arrange water tube and locate the refrigerator at its regular place if there is no leaking HOW TO INSTALL REFRIGERATOR 20 Single ...

Страница 21: ...se 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 cabl...

Страница 22: ...by turning it clockwise by 90 degrees Note Check that the guideline and the fastening indication line are aligned 2 Replacement of water filter While holding the lower part of the filter turn it counterclockwise a by 90 degrees and pull it down Note Check that the guideline and the loosening indication line are aligned After installing water filter Reassemble the lamp cover and the top shelf of th...

Страница 23: ...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 container 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 ou...

Страница 24: ...ice cube is too small increase the water supplying time This happens when too small water is supplied into the ice tray 4 If ice cube sticks together decrease the water supplying time This happens when too much water is supplied into the ice tray Caution When adjusting the amount of water supplied adjust step by step Otherwise the water may spill over 3 When adjustment of control switch for the am...

Страница 25: ...all 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 MICOM FUNCTION 25 FRZ Temp REF Temp SELECT Max Min Function Monitor Freezer compartment temperature control Button Refrigerator compartment temperature control Button Dispenser selection button 1 2 3 4 5 5 Max Max Min 4 3 2 1 FRZ Temp REF Temp Divis...

Страница 26: ...r home bar door is closed during door opening alarm 2 4 Button Selection Buzzer Sound 1 Bell sounds when button on the front display is pressed 2 5 Forced Start Forced Defrost Buzzer Warning 1 When test button in the main PWB is pressed beep sounds 2 When forced start is selected warning sounds three times for 0 2 second on and 1 8 seconds off 3 When forced defrost is selected warning sounds three...

Страница 27: ...e is below 10 C power cut or service Test Mode 1 Forced Start Test Mode 2 Check Freezer fan Test Mode 3 Forced defrost POWER ON COMP ON WATER TANK HEATER ON FAN 1400 High Speed Operation ON FAN 1400 High Speed Operation ON FAN 1400 High Speed Operation OFF WATER TANK HEATER OFF FAN 1170 Standard Operation ON FAN 1170 Standard Operation OFF STEP MOTOR DAMPER ON STEP MOTOR DAMPER ON STEP MOTOR DAMPE...

Страница 28: ...er l l l Freezer sensor short 15 min on Standard ˇ ˇ sensor 15 min off RPM AbnormalRefrigerator 2 sensor 1 R1 l l l Refrigerator sensor 1 short circuit ˇ Standard ˇ Note 2 Upper part in the RPM refrigeratorcompartment Abnormal Refrigerator 3 sensor 2 lower part Note 1 Refrigerator sensor 2 short circuit ˇ Standard ˇ ˇ in the refrigerator RPM compartment 4 Abnormal Defrost l l l Defrost sensor shor...

Страница 29: ...to return to the normal conditions 5 When sensor is abnormal in the test mode test mode is released and trouble code is indicated 6 Test mode does not work even test button is pressed when trouble code indicator is on MICOM FUNCTION 29 Mode Operation Contents Remarks Test 1 Test 2 Test 3 Normal Press test button once Press test button once in Test Mode 1 Press test button once in Test Mode 2 Press...

Страница 30: ...nd solenoid are automatically off if there is no signal after 3 minutes when ice crushed and cube or water is selected and dispenser switch is pressed down Solenoid duct door stops after 5 seconds when solenoid is off in order to protect short circuit from solenoid heat generation 5 Dispenser Lamp On Off Function The dispenser lamp shall be on or off whenever dispenser button is pressed or release...

Страница 31: ... In the trans secondary side is composed of power source 12 Vdc for driving relay and power source 5 Vdc which supplies power to MICOM and IC Voltages in each part are as follows 1 2 Oscillation Circuit This is to generate basic time for synchronous clock and time calculation for internal logic element to send and receive information Standard parts should be used as the time calculated by IC1 shal...

Страница 32: ...rator are connected to the door opening detecting circuit in Micom Home bar door switch E F is parallelly connected to the refrigerator door switch C D Therefore it can detect door opening when one of the door is open 1 GR P247 GR P207 GR L247 GR L207 MICOM CIRCUIT DESCRIPTION 32 Refrigerator Machine Defrost AC Converting Heater Plate Fan Motor Load Types Room Heater Relay W TANK High Standard Spe...

Страница 33: ...com Home bar door switch E F is parallelly connected to the refrigerator switch C D Therefore it can detect door opening when one of the door is open MICOM CIRCUIT DESCRIPTION 33 Refrigerator Machine Defrost AC Converting Refrigerator Home Bar Fan Motor Load Types Room Heater Relay Compartment Lamp Heater High Standard Speed Speed Measuring Points IC 4 No 10 No 11 No 12 No 16 No 15 No 13 No 14 Con...

Страница 34: ...SCRIPTION 34 POWER LOAD TYPE GEARED SOLENOID WATER VALVE SOLENOID HOME BAR Refrigerator MOTOR CUBE ICE WATER PILOT DISPENSER HEATER CompartmentLamp Measuring Points No 15 IC6 No 10 IC7 No 11 IC7 No 12 IC7 No 16 IC7 No 14 IC7 No 15 IC7 No 13 IC7 Conditions ON Below 1V OFF 12V Measuring Points Lever S W IC1 Micom No 17 On Press OFF 5V 0V 60Hz 5V ...

Страница 35: ...g switch C D or home bar door switch E F MICOM CIRCUIT DESCRIPTION 35 CONDITIONS Bell sounds when button on Beep sounds when warning MEASURING dosplay is pressed door opening OFF POINTS IC1 No 50 Pin 0 V IC1 No 51 Pin 0 V MEASURING POINTS FREEZER IC1 MICOM Pin No 46 and 48 REFRIGERATOR DOOR CLOSED 5 V A B C D E F both ends S W off conditions OPEN 0 V A B C D E F both ends S W on conditions 0 05 s ...

Страница 36: ...f each temperature sensor is as follows 12 Vdc shall be applied to No 10 and 11 terminals of CON6 as duct door heater is always on MICOM CIRCUIT DESCRIPTION 36 SENSOR CHECK POINT NORMAL 30 C 50 C SHORT OPEN OPEN AIR SENSOR POINT A Voltage FREEZER SENSOR POINT B Voltage DEFROST SENSOR POINT C Voltage 0 5 V 4 5 V 0 V 5 V REFRIGERATOR SENSOR 1 POINT E Voltage REFRIGERATOR SENSOR 2 POINT F Voltage ICE...

Страница 37: ... for each model is as follows u This circuit is fixed in the factory before shipment Do not add or remove option at your discretion 1 8 Stepping Motor Working Circuit Motor rotates as rotating magnetic forms on the coils wound on each phase of stator when Micom pin No 41 applies High signal to IC6 TA774AP and Micom pin No 42 and 43 produces High and Low signals MICOM CIRCUIT DESCRIPTION 37 TEST S ...

Страница 38: ...erature Compensation Table by Resistance Adjustment the difference compared to the present temperature EX The temperature of refrigerator increases by 1 C if refrigerator compartment compensation resistance is changed from 10 kΩ to 18 kΩ MICOM CIRCUIT DESCRIPTION 38 Refrigerator Compartment Temperature Compensation Freezer Compartment Temperature Compensation Freezer Compartment Refrigerator Compa...

Страница 39: ... 5 6 kΩ Decrease Decrease Decrease change Increase Increase Increase Increase Increase Increase Increase 2 C 1 5 C 1 C 0 5 No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C Refrigerator 8 2 kΩ Decrease Decrease Decrease Drop change Increase Increase Increase Increase Increase Increase Compartment 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C RCR1 10 kΩ Decrease Decrease Decrease Decrease Decrease change I...

Страница 40: ...IPTION 40 WEAK COOLING OVER COOLING COMPENSATION COMPENSATION REFRIGERATOR COMPARTMENT REMARKS JCR3 JCR4 JCR1 JCR2 TEMPERATURE COMPENSATION 0 C FACTORY SHIPPING CUT 1 C CUT 1 C CUT 1 C CUT 1 C CUT CUT 2 C CUT CUT 2 C CUT CUT 0 C CUT CUT 0 C CUT CUT 0 C CUT CUT 0 C CUT CUT CUT 1 C CUT CUT CUT 1 C CUT CUT CUT CUT 0 C Temperature Compensation by Cutting JCR1 1 C 2 C JCR2 1 C JCR3 1 C 2 C JCR4 1 C ...

Страница 41: ...he operation panel and to light each function indication led LED module It is driven by SCAN method 2 GR C247 GR C207 GR B247 GR B207 GR B197 MICOM CIRCUIT DESCRIPTION 41 FRZ TEMP REF TEMP SELECT R S T Max Min F1 F2 F3 F4 F5 R1 R2 R3 R4 R5 Freezer Temp Control Refrigerator Temp Control Crushed Water Cube Freezer Temp Control Refrigerator Temp Control ...

Страница 42: ...2 from CON8 of main PWB assembly and measure it with digital tester Disassemble freezer sensor from CON7 of main PWB assembly and measure it with digital tester MICOM CIRCUIT DESCRIPTION 42 Measured Temperature C Freezer Sensor Refrigerator Sensor 1 and 2 Defrost Sensor and Open Air Sensor 20 C 22 3 kΩ 77 kΩ 15 C 16 9 kΩ 60 kΩ 15 C 13 0 kΩ 47 3 kΩ 5 C 10 1 kΩ 38 4 kΩ 0 C 7 8 kΩ 30 kΩ 5 C 6 2 kΩ 24...

Страница 43: ...R38 J20 R53 J17 R42 J15 R46 J14 R56 J13 J16 J19 J18 CC19 CC30 CC16 CC23 CC24 J52 J53 CC5 R31 R13 J51 CE2 D5 D7 CE4 J40 R49 CM4 IC11 CC21 CC20 CE8 R57 BUZZER R58 CE7 J05 J06 J04 CC22 CC28 CON7 F SNR D SNR FD SW J43 CON9 ICE M MOTOR ICE M SNR STOP S W TEST S W H IC 5V R51 10 CC29 R1 SNR R2 SNR RD SW STEP MOTOR DAMP HTR CON8 J44 1 1 12 IC10 R37 R18 1 CC27 R59 J07 J54 60 55 50 45 40 35 R47 J45 J46 J28...

Страница 44: ...DAMP HTR STEP M TEST R25 J08 R17 J09 J10 J19 J20 R21 RR1 RR2 J03 J04 RF1 J05 RD1 R31 J01 J18 J24 J30 R32 J27 J11 IC6 CE7 2 D8 D7 D9 D10 D13 J28 RY8 RY8 CON4 R LAMP H BAR FAN STD FAN HGH RY7 RY3 RY4 VA2 D12 D11 J02 CC12 R23 CC11 R22 CC8 R18 CC9 R19 R3 RCF1 R4 RCR1 CC13 R24 J12 CC10 R20 J13 J14 R28 J15 R27 J16 R26 JCR1 R8 R7 R6 R5 R10 R9 RT1 R15 J17 CON5 CC6 JCR2 JCR3 JCR4 OP1 OP2 STICKER RY6 J29 RY...

Страница 45: ...3 2 Parts List 1 GR P247 GR P207 GR L247 GR L207 MICOM CIRCUIT DESCRIPTION 45 GR L247 207 GR P247 207 WORK GR L247 207 GR P247 207 WORK ...

Страница 46: ...1 GR P247 GR P207 GR L247 GR L207 MICOM CIRCUIT DESCRIPTION 46 GR L247 207 GR P247 207 WORK ...

Страница 47: ...2 GR C247 GR C207 GR B247 GR B207 GR B197 MICOM CIRCUIT DESCRIPTION 47 JCR1 JCR2 JCR3 JCR4 ...

Страница 48: ...4 PWB circuit drawing PWB circuit drawing may change depending on the conditions 1 GR P247 GR P207 GR L247 GR L207 MICOM CIRCUIT DESCRIPTION 48 ...

Страница 49: ...MICOM CIRCUIT DESCRIPTION 49 Freezer Temp Control Refrigerator Temp Control Crushed Water Cube ...

Страница 50: ...2 GR C247 GR C207 GR B247 GR B207 GR B197 MICOM CIRCUIT DESCRIPTION 50 Refrigerator Compartment Temperature Compensation Freezer Compartment Temperature Compensation ...

Страница 51: ...MICOM CIRCUIT DESCRIPTION 51 Freezer Temp Control Refrigerator Temp Control ...

Страница 52: ...be 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 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 52 Level Ice Maker Cube Mould for Initial Control after power is in...

Страница 53: ...r 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 Con...

Страница 54: ... 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 i...

Страница 55: ...hen 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 Ice ejection Returning to horizontal conditions 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 wa...

Страница 56: ...ing check Failed Ice Maker Unit Is the resistance of both ends of ice ejection motor of CON9 between 18 and 22Ω Is ice ejection motor drive circuit IC11 and peripheral circuits normal Defects between Hall IC and Board Pin No 44 of IC1 Confirm ice ejection and level return when pressing test switch Replace Ice Maker Unit Replace Main PWB Are ice ejection and level return normal when test switch is ...

Страница 57: ...button does not work during ice ejection and water supply It works when it is in the horizontal conditions If cube mould is full of ice during test function operation ice ejection control and water supply control do not work 3 Ice ejection carries out irrespect of ice formation in the ice making tray if test switch is pressed for more than 0 5 second Water shall be splashed if test switch is press...

Страница 58: ...CIRCUIT 58 GR B247 GR B207 GR C247 GR C207 GR B197 ...

Страница 59: ...P207 GR L247 GR L207 HOME BAR PART H BAR HEATER DOOR S W SOLENOID WATER VALVE CAPACITOR PART THE PLUG TYPE COMPRESSOR EARTH PART ON CIRCUIT DIAGRAM ARE SUBJECT TO CHANGE IN DIFFERENT LOCALITES AND ACCORDANCE WITH MODEL TYPE ...

Страница 60: ...terminal Bad connection between plug and adapter faulty plug The distance between pins Pin outer diameter No power on power cord O L P is off No electric power on compressor Faulty compressor Faulty PTC Disconnectedcopperwire Internalelectricalshort Faultyterminalcontact Disconnected CapacityofO L Pissmall CharacteristicsofO L Pisbad Badconnection Poweris disconnected InnerNi Crwireblowsout Badint...

Страница 61: ...Leaveitintheair Moisturepenetration intotherefrigerationoil Capsaremissed Airblowing Duringtransportation Duringwork Notperformed Performed Tooshorttime Lowairpressure Lessdryair AirBlowing Leaveitintheair Capsaremissed Shortpipeinsert Pipegaps Toomuchsolder Toolarge Damagedpipes Notdriedinthecompressor Elapsedmorethan6monthsafterdrying Capsaremissed Nopressurewhenitisopen Duringresttime Afterwork...

Страница 62: ...inisnotdisconnected Injectthroughthe hole Sealwithdrain P Ulumpinput Screwinput Otherforeignmaterials input Parts disconnected Wireiscut Heatingwire Contactpoint betweenheating andelectricwire Dentbyfinevaporator Poorterminalcontacts Wireiscut Leadwire Heatingwire Contactpoint betweenheatingand electricwire Heatingwireiscorroded Waterpenetration Badterminalconnection Check visually Check terminal ...

Страница 63: ...hefanmotor Badinsulationofcasedoor SheathHeater rated Heaterplate rated Heatercord L rated Heaterplate Heatercord L Gap Badattachment Contraction Badadhesion Weakbindingforceathinge Fanmotor Doorswitch Selflocked Wireiscut Badterminalcontact Contactdistance Buttonpressure Meltedcontact Contact Poordoor attachment Doorliner dimension Contractioninner liner Misalignment Badterminal connection P Uliq...

Страница 64: ...anis constrained Insufficient motorRPM Faultyfan Shorud Bent Iceandforeignmaterialsonrotatingparts Fanshroudcontact Clearance Dampingevaporatorcontact Accumulatedresidualfrost Fanmisuse Badshape Looseconnection Nottightlyconnected Insertdepth Ratingmisuse Smallcapacity Lowvaltage Malfunctionofchargingcylinder Wrongsettingofrefrigerant Insufficientcompressor Faultycompressor Fanoverload Fanmisuse B...

Страница 65: ...erials P U dump liquid Faulty contact Faulty temperature characteristics External air inflow Rubber motor assembly direction reverse Door opens but not closes Gap around gasket Contraction distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food Door opens but not closes Gasket gap Cool air leak and transmitted Highambienttemperature Spaceissecluded Differe...

Страница 66: ...ssor compartment operating sounds Compressor sound Sound from machine itself inserted Sound from vibration Restrainer Rubber Too hard seat Distorted Aged Burnt Stopper Bad Stopper Not fit assembly inner diameter of stopper Tilted Not Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment O L P sound Chattering sound Insulation paper vibrat...

Страница 67: ...ownfault Coregap Badconnection Correctscrewconnection Badassembly Distortion Foreignmaterialsinside Badconnection Partlydamaged Notconnected Badpipecaulking Normaloperatingsound Vibrationsound Agedrubberseat Badtorqueforassemblingmotor bracket Fanguidecontact Shroudburrcontact Dampingevaporatorcontact Residualfrostcontact Unbalance Iceonthefan Airintake oppositetomotor rubberassembly Supporterdiso...

Страница 68: ...Travlel distance Bad connection Bad terminal contact P U liquid leak 1 Lead wire is damaged Wire damage when assembling P T C Cover Outlet burr in the bottom plate Pressed by cord heater lead wire evaporator pipe 2 Exposed terminal Compressor Compartment terminal Touching other components Freezer compartment terminal Touching evaporator pipe 3 Faulty parts Transformer Coil contacts cover Welded te...

Страница 69: ...betweendoorlinerandinnerliner Refrigerator compartmentis openedwhenfreezer compartmentis closed faultystopper High Faultydampercontrol Buttonissetat weak Doorisopen interferenceby food Nodeodorizer Poorcapacity Sealcondition Storespecialodorousfood Longtermstorage Odorsfromchemicalprocucts Biggerdoorfoam Hinge Pintilted Poorflatness Nowasher Nogreaseandnotenough quantity Stopperwornout Badfreezerc...

Страница 70: ... and products Replace with rated fuse Electricity leakage Check the resistance of power cord If fuse blowns out High voltage with testerf if it is 0Ω it is shorted frequently reconfirm Short circuit of components the cause and prevent tracking due to moisture and dust penetration Problems Causes Checks Measures Remarks Compressor Faulty PTC Check the resistance If resistance is infinite replace it...

Страница 71: ...ulty operation Confirm icing causes and repair switch operation Press button to check Replace door switch Faulty button pressure and contact Press button to check operation Door cannot press door switch Door sag fix door button Check visually Door liner bent replace door or attach sheets Bad radiation conditions in Check the clearance between the Keep clearance between The fan may be compressor co...

Страница 72: ... side 3 Check silver soldered parts Cu 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 Find out the leaking area repair Drier must be replaced of evaporator in the freezer evacuate and recharge...

Страница 73: ...e weld If it is warm it s OK joints might be clogged If it is not condenser outlet weld Disconnect with torch remove the joints might be colgged causes evacuate and recharge seal refrigerant Leak at loop pipe weld joint Check sequence Replace the compressor weld Drier must be replaced discharge in compressor 1 Manually check whether evacuate and recharge refrigerant condenser is warm It is not war...

Страница 74: ... by inserting are clogged of ice insert the copper line copper wire Turn off more than 1 Impurities through the hole to check 3hours and pour in hot water if 2 Ice 2 Put hot water into the drain frost is severe check drains outside 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 ...

Страница 75: ...k by inserting soft copper 3 Reassemble the heater plate wire into the duct soft and thin copper not to impair heating wire Bad cool air inflow and discharge 1 Turn on power open or close the 1 Check the faulty connector of and bad defrosting due to faulty door check that motor fan housing and reassemble wrongly contact and insertion bad connector operates If it operates motor fan assembled parts ...

Страница 76: ...achment Replacement should compartment Check door assembly conditions conditions and replace it be done when it Faulty gasket Door assembly and replacement cannot be repaired Faulty assembly 3 Overcooling in the refrigerator Check refrigerator compartment Replace faulty parts compartment is overcooled when button Faulty damper in the refrigerator pressed on weak compartment Check parts are faulty ...

Страница 77: ...artment door Check gasket attachment Correct the gasket attachement Replace when it can not Icing in the Faulty gasket conditions conditions and replace it be repaired shute Faulty assembly Check door assembly conditions Door assembly and replacement 3 Over freezing in the freezer Refrigerator operates pull down Replace defective parts compartment Check if it is operated Faulty MICOM intermittentl...

Страница 78: ...g 6 Adjust fan to be in the center of conditions in pipes bell mouth of the fan guide 2 3 Touch pipes with hands or screw 7 Leve a clearance between driver check the change of interfering parts and seal gaps in sound the structures 8 Reassemble the parts which make 3 Fan operation sound in the freezer 3 1 Check fan insertion depth and sound compartment blade damage 9 Leave a clearance if evaporato...

Страница 79: ...ion with rubber 4 Moving wheel vibration 2 2 Check capillary tube touches and restrainer if it is severe 5 Other structure and parts cover back especially compressor and pipe vibration 3 1 Check compressor stopper 4 Replace compressor stopper if it vibration vibtates severely 4 1 Check vibration of front and rear moving wheels 5 1 Touch other structures and parts Irregular sound 1 It is caused by ...

Страница 80: ...principles of freezing cycles Water boiling or It happens when refrigerant passes Check the sound when compressor is Explain the principles of freezing cycles flowing sound orifice in accumulator internal pipes by turned on and refrigerant flowing phenomenon by the pressure difference between Check the sound when compressor is internal pressure difference condenser and evaporator turned off If sou...

Страница 81: ...nyl 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 Persuade customers not to use It happens in the new refrigerator plastic bag or wraps with wet food or odorous foods Odor from the Odor from the old deodorizer Check the deodorizer odors Dry th...

Страница 82: ...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 m...

Страница 83: ...stics table of sensor in circuit Freezer sensor is Confirm the color of sensor in Repair main PCB explanation substituted for other circuits main PCB sensor sensor housing sensor housing Defective freezer fan Fan motor lead wire Check fan motor lead wire Reconnect lead motor is cut with a tester wire Defective door switch Measure the voltage between Replace door Refer to load freezer refrigerator ...

Страница 84: ...ion 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 Defective refrigerator Defective refrigerator Check the resistance of Replace refrigerator Refer to sensor sensor sensor parts refrigerator sensor with a tester s...

Страница 85: ... explanation Defective Buzzer Defective connecting lead wire from Check lead wire related to door Repair lead wire buzzer continuously 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 te...

Страница 86: ... associated with lever Repair lead wire dispenser are not Main PCB to lever switch switch with a tester dispensed 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 Replace photo output terminals with lever switch coupler IC or PCB pressed It is OK if voltage change is between 0V 5V Def...

Страница 87: ...acuum 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 L Vacuum EA Use R134a To protect The rubber pipes for R12 refrigerant shall piping exclusive mixing of be melted when they are...

Страница 88: ...ile refrigerator operates scales punching off flier Weld carefully after inlet pinching gas welding machine Check leak at weld joints Electronic Leak Detector Minute leak Use electronic leak detector Driver Ruler Big leak Check visually or fingers Note Do not use soapy water for check Check cooling capacity Check radiator manually to see if warm Check hot line pipe manually to see if warm Check fr...

Страница 89: ... leak will happen 3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing 1 Weld under nitrogen atmosphere in order to prevent oxidation inside a pipe welding 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 inside and sealing 2 Check leakage ...

Страница 90: ... is not necessary because it does not produce oxidized scales inside pipe because of its short welding time 3 Replacement of drier Inserting a capillary tube Measure distance with a ruler and put a mark 12 3 0 on the capillary tube Insert tube to the mark and weld it KEYPOINTING Observe the sequence for removal of refrigerant If not compressor oil may leak KEYPOINTING Welding without nitrogen blow...

Страница 91: ...d measure the weight Calculate the weight of refrigerant charged into the bombe by subtracting the weight of an evacuated bombe KEYPOINTING If power is applied during vacuum degassing vacuum degassing shall be more effective Operate compressor while charging refrigerant It is easier and more certain to do like this KEYPOINTING Be sure to charge the refrigerant at around 25 C Be sure to keep 5g in ...

Страница 92: ...ser Drier Evaporator Bombe Rubber 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 parts 4 The copper pipe shall be oxidized by overheating...

Страница 93: ...OINT PIPE ASSY HOT LINE Freezer PIPE ASSY HOT LINE Refrigerator PIPE ASSY JOINT CONDENSER ASSY WIRE PIPE ASSY SUCTION DRIER ASSY CAPI TUBE Copper Brazer Copper Brazer Silver Brazer Copper Brazer Copper Brazer Copper Brazer Coppper Brazer Silver Brazer Copper Brazer ...

Страница 94: ... 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...

Страница 95: ... also makes sound When water Noise from motor sounds Whizz freezes to ice freezing sounds such as click click are heard When ice is being ejected sounds 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 Explain the principles of water supplied to dispenser When the water supply button in the dispenser is pres...

Страница 96: ...stics of ice cream The freezing point of ice cream is below 15 C Therefore ice cream may melt if it is 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 o...

Страница 97: ...tton at strong Frost in the freezer compartment Explain the basic principles of frost formation The main causes for frosting Door was left open 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 mi...

Страница 98: ...iner or in the wrap When is the power connected When should the power be connected 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 ...

Страница 99: ...racket 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 3 Disconnect upper hinge a from a hinge supporter b by grasping the front part of upper hinge and lifting up Hinge Assy U in arrow direction A and pull forward in arrow B direction Be careful as the door may be fallen down 4 Lift up the free...

Страница 100: ...rews 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 ...

Страница 101: ...e Assy housing 4 Loosen four screws with a phillips screwdriver and pull a funnel Assy to disconnect 5 Duct cap Assy is disconnected if hold lever connecting screw is loosened with a phillips screwdriver 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 holde...

Страница 102: ... DISPLAY 2 COVER DISPENSER 4 PWB PCB ASSY DISPLAY 7 FUNNEL ASSY 8 SWITCH MICRO 9 FRAME FUNNEL 10 LEVER SWITCH 11 FUNNEL 12 RUBBER FUNNEL 13 SWITCH ROCKER 14 SOLENOID ASSY 15 SPRING 16 HOLDER LEVER 17 CAP DUCT 19 LEVER DISPENSER 20 RUBBER CAP 21 BUTTON ASSY 22 BUTTON 23 HOLDER BUTTON 24 DECO DRAIN 17 Cap Assy Duct Detailed Drawings ...

Страница 103: ...ator compartment door with a phillips screwdriver And loosen 4 screws b and two screws c Pull H Bar door Assy a forward to disassemble 3 Loosen two screws j i fixed on H Bar door Assy and two screws k with a cross driver to disassemble arm Assy 4 Assemble parts by performing the disassembly in reverse order Note Assemble carefully parts g j k until they are fixed firmly when assembling them Adjust...

Страница 104: ...FREEZER DOOR PART GR P247 GR P207 GR L247 GR L207 EXPLODED VIEW 104 202A 200A 210C 210B 210A 205C 205B 205D 205C 205A 210C 201A 203A 205B 205A 205F 206B 206A 206C 206E ...

Страница 105: ...FREEZER DOOR PART GR C247 GR C207 GR B247 GR B207 GR B197 EXPLODED VIEW 105 202A 200A 210B 210B 205C 205B 205D 205C 205A 210B 210C 201A 203A 210C 205B 205A 205F 206B 206A 206C 206E ...

Страница 106: ... Optional part EXPLODED VIEW 106 232A 266A 261A 265A 267A 263A 266B 240C 240C 240B 264C 264A 264B 240A 147A 260A 263B 266B 265A 267A 402B 266C 266C 231A 233A 230A 234A 205C 205B 205D 205A 205C 243A 243A 241B 241A 262A 147B 147C 236A 206B 206D 205B 205A 205F 206F ...

Страница 107: ...07 GR B247 GR B207 GR B197 REFRIGERATOR DOOR PART Optional part EXPLODED VIEW 107 233A 232A 240C 240C 240A 240A 147A 231A 230A 234A 205C 205B 205D 205A 205C 243A 243A 241B 241A 147B 147C 205B 205A 205F 236A 206B 206D 206F ...

Страница 108: ...nal part EXPLODED VIEW 108 270A 271B 271A 320A 320C 302A 103A 400A 312A 402A 137A 136C 136A 135A 136B 136C 403A 401A 152A 128C 128D 131B 131A 125A 125A 105B 272A 130A 120B 120B 120D 120B 120A 135B 408A 320A 320B 408B 121A 101A ...

Страница 109: ...1A 402A 145A 145A 103A 152A 116A 410A 115B 401A 150A 162A 162B 177A 140C 140D 140A 171B 141C 141D 171A 170C 170B 141A 170A 140C 140D 140A 166B 166A 165C 160D 165A 161A 160C 160D 160B 160A 272B 151C 155A 146A 626B 626A 626C 624C 624A 177B 115A 101B 151D 151E 160B or 165B ...

Страница 110: ...EXPLODED VIEW 110 404B 614A 606A 610A 621B 612A 612B 612C 615A 616B 616C 616A 613A 616E 623A 623A or 623B 618A 622A 616D 404A 620A 620B 616A 611A 625A 616G 619A 601A 605A 602A 607A 600A 603A 510B 603B 604A 616F 627A 617A 624B 619A ...

Страница 111: ...art EXPLODED VIEW 111 300A 310B 307A 304A 306A 310A 317B 317A 305C 305B 313A 301A 306C 306D 307A 104A 305C 305B 303C 303B 303D 303A 305A 407B 500A 502B 502A 411A 308A 308C 308B 309B 403B 309B 309A 306C 105C 105D 105E 505A 105F 407A ...

Страница 112: ...DISPENSER PART EXPLODED VIEW 112 278A 278E 278F 402C 278D 405A 275A 276A 275C 401C 275D 275B 281A 276B 280C 280A 207A 277A 280B 278B 278C 279A 501A ...

Страница 113: ...P No 3828JD8456H APR 2002 Printed in Korea ...

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