LG LFC22760 Series Скачать руководство пользователя страница 3 | Manualshive

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22 cu. Ft. (22.4 cu. Ft.)

ITEMS

SPECIFICATIONS

DOOR DESIGN

Side Rounded

DIMENSIONS

NET WEIGHT

127.5 Kg
281.09 pounds

COOLING SYSTEM

Fan Cooling

TEMPERATURE CONTROL

Micom Control

Full Automatic

DEFROSTING SYSTEM

Heater Defrost

DOOR FINISH

PCM/EMBO

HANDLE TYPE

Curved / Natural/Titanium

INNER CASE

ABS Sheet

INSULATION

Polyurethane Foam

ITEMS

SPECIFICATIONS

VEGETABLE TRAY

Auto-close

COMPRESSOR

PTC Starting Type

EVAPORATOR

Fin Tube Type

CONDENSER

Wire Condenser

REFRIGERANT

R-134a (115 ±3 g)

LUBRICATING OIL

ISO10 (220 ml)

DEFROSTING DEVICE

SHEATH HEATER

LAMP

REFRIGERATOR

60 W (2EA)

FREEZER

60 W (1EA)

W(835)x

D(863)x H(1752) mm

W(32.875)x

D(34.25)x

H(69.06) in

1. SPECIFICATIONS

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Содержание LFC22760 Series

Страница 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL REFRIGERATOR SERVICE MANUAL MODELS LFC22760 ...

Страница 2: ...therefrigeratorshouldbeperformedbya qualifiedtechnician Sealedsystemrepairmustbe performedbyaCFCcertifiedtechnician SAFETYPRECAUTIONS Safety Precautions Specifications Parts Identifications Disassembly Door Door Switch Fan and Fan Motor Defrost Control Assembly Lamp Control Box Refrigerator Multi Duct Ajustment Compressor PTC Starter OLP Overload Protector To Remove the Cover PTC Circuit Diagram T...

Страница 3: ...ISH PCM EMBO HANDLE TYPE Curved Natural Titanium INNER CASE ABS Sheet INSULATION Polyurethane Foam ITEMS SPECIFICATIONS VEGETABLE TRAY Auto close COMPRESSOR PTC Starting Type EVAPORATOR Fin Tube Type CONDENSER Wire Condenser REFRIGERANT R 134a 115 3 g LUBRICATING OIL ISO10 220 ml DEFROSTING DEVICE SHEATH HEATER LAMP REFRIGERATOR 60 W 2EA FREEZER 60 W 1EA W 835 xD 863 xH 1752 mm W 32 875 xD 34 25 x...

Страница 4: ...ons of the features shown below may not match your model on some models A B C G H I J E F K D L M N O P Q A L Digital Sensor Control Filter Inside Durabase Divider Egg Box Refrigerator Door Rack Freezer Light Pull out Drawer B C D F E G H I J K M N O P Q Ice Tray Optibin Crisper Keeps fruits and vegetable fresh and crisper Chef Fresh Snack Pan Can Dispenser Temperature Contro l Shelves Refrigerato...

Страница 5: ...ce 4 Push in remaining two clips until you hear each snap securely into place Note Make sure that no part of gasket bracket edge protrudes from beneath door frame edge 3 DISASSEMBLY 5 Frame Cover Handle Gasket Door Bracket Clip Frame Flat Tip Screwdriver Gasket Bracket Figure 3 Figure 1 Figure 2 Figure 4 Gasket Bracket Clip Spring Door Frame Correct Incorrect Figure 5 Left Door Loosen the cover sc...

Страница 6: ... cover and working down snap cover back into door 3 2 DOOR ALIGNMENT If the space between your doors is uneven follow the instructions below to align the doors 1 With one hand lift up the door you want to raise at middle hinge 2 With other hand use pliers to insert snap ring as shown 3 Insert additional snap rings until the doors are aligned Three snap rings are provided with unit 6 Figure 6 Corre...

Страница 7: ...efrigerator Compartment Lamp 1 Unplug the power cord from the outlet 2 Remove refrigerator shelves 3 Release the hooks on both ends of the lamp shield and pull the shield downward to remove it 4 Turn the lamp counterclockwise 5 Assembly is the reverse of disassembly Replacement bulb must be the same specification as the original Max 60 W2EA 3 5 2 Freezer Compartment Lamp 1 Unplug refrigerator or d...

Страница 8: ... the start winding and main winding 4 2 3 PTC Applied Circuit Diagram Starting Method for the Motor 4 2 4 Motor Restarting and PTC Cooling 1 It requires approximately 5 minutes for the pressure to equalize before the compressor can restart 2 The PTC device generates heat during operation Therefore it must be allowed to cool before the compressor can restart 4 2 5 Relation of PTC Starter and OLP 1 ...

Страница 9: ...e OLP in any way 4 4 TO REMOVE THE COVER PTC 1 Remove the Cover Back M C 2 Disconnect two housing upper side of comp connected in 3 Loosen two screws on comp base 4 Use a L shaped flap tool to pry off the cover 5 Assembly in reverse order of disassembly 9 Part Customer part number Lot code date code 330 FBYY S1 BOX98 12345678 Physical termination part number Electrical characteristics part number ...

Страница 10: ...5 CIRCUIT DIAGRAM 10 ...

Страница 11: ...ly needs to be checked by an electrician Replace Compressor Supply voltage rating with 10 Applied voltage isn t in acceptable range 115V 10 Remove PTC Starter from Compressor and measure voltage between Terminal C of Compressor and Terminal 5 or 6 of PTC Check resistance between M C S C and M S in Motor Compressor Check resistance of two terminals in PTC Starter Check resistance of two terminals i...

Страница 12: ...ure resistance between No 5 and 6 of PTC Starter with a Tester Figure 19 Separate OLP from Compressor and check resistance value between two terminals of OLP with a Tester Figure 20 Observation value is 115V 60Hz 6 8Ω 30 The resistance value is 0Ω short or open Check another electric component Replace OLP Replace PTC Starter Figure 19 Figure 20 ...

Страница 13: ... capacity Replace indicated component Advise customer that the Power supply needs to be checked by an electrician Replace indicated component Cause Check voltage at starting devices Check current flowing in sub coil of Compressor Check rating of OLP Fan motor doesn t run Heavy frost buildup on EVAPORATOR Wire is open or shorted Coil is shorted or open Open Open Replace Defrost Heater Replace indic...

Страница 14: ...igh Is there a gap in the door gasket Is the unit positioned in a firm and even place Are any unnecessary objects placed in the back side of the unit Check if the Drip Tray is not firmly fixed Check if the cover of the compressor enclosure in the lower front side is taken out Check if the door gasket is dirty with an item like juice Is the refrigerator level Is there too much food in the refrigera...

Страница 15: ...tor don t in inlet only temperature The capillary tube is faulty cool normally WHOLE Freezer Flowing sound of refrigerant Equal to ambient Normal discharging of the CLOG compartment and is not heard and frost isn t temperature Refrigerant Refrigerator don t cool formed MOISTURE Cooling operation Flowing sound of refrigerant Lower than Cooling operation restarts CLOG stops periodically is not heard...

Страница 16: ...ial Very Fast Inefficient Compressor Partial Restriction Complete Restriction Equalization Test Condenser Temperature None Very Fast Very Slow Very Slow Hotter than Normal Air Low Side Leak Loss of Change Compressor Not Pumping Cap Tube Sound Room Temperature Trace of Oil Undercharge Leak Yes No Faint Fast None to Weak The equalization test is trying to restart a compressor using a start kit after...

Страница 17: ...e Park Position Fill Test Mode Waits until water becomes cold after starting the Icemaking operation Runs MOTOR to drop ice from the tray into the ICE BIN Performs Icemaking Mode after supplying water by operating the SOLENOID in ICE VALVE To operate LINE and SERVICE press and hold the Cube Size button for 3 seconds The icemaking will run through 3 stages Harvest Fill Icemaking With the detect lev...

Страница 18: ...ed if it reaches start position again while Heater Motor are on at the same time A ice bin is full The EJECTOR stops heater off B ice bin is not full The EJECTOR rotates twice to open for ice NOTE If the EJECTOR does not rotate once within 5 minutes in status 2 separate heater control mode starts operating to prevent the EJECTOR from being constrained It is recommended that the user open for ice t...

Страница 19: ...r supply control panel ERROR indicators in table can be checked only in TEST mode STAGE ITEMS INDICATOR REMARKS 1 2 3 4 5 6 HEATER MOTOR HALL IC TRAY SOLENOID VALVE HALL IC LEVER Reset Five seconds after heater starts heater will go off if temperature recorded by sensor is 10 C 50 F or lever is in up position Five seconds after heater starts you can confirm that motor is moving You can confirm Hal...

Страница 20: ...urs the compressor and Freezer Fan will be ON The next 21hours the freezer will be controlled at the lowest temperature After 24 hours or if the Express Freezing key is pressed again the freezer will return to its previous temperature 5 During the first 3 hours 1 Compressor and freezer fan HIGH RPM run continuously 2 If a defrost cycle begins during the first 90 minutes of Express Freezing the Exp...

Страница 21: ...ed a Ding Dong sound is produced 9 1 8 Defrosting removing frost 1 Defrosting starts each time the COMPRESSOR running time reaches 7 hours 2 For initial power on or for restoring power defrosting starts when the compressor running time reaches 4 hours 3 Defrosting stops if the sensor temperature reaches 8ºC or more If the sensor doesn t reach 8 C in 2 hours the defrost mode is malfunctioning 4 Def...

Страница 22: ... is completed 22 OPERATING ORDERS Initial power on POWER ON in 0 5 sec in 0 5 sec Total load OFF COMP ON Freezer FAN ON in 7 min in 0 5 sec COMP ON Freezer FAN ON POWER ON COMP ON Freezer FAN ON Defrosting heater ON Defrost heater OFF in 0 5 sec in 0 5 sec in 0 5 sec in 10 sec Temperature of Defrosting Sensor is 45 C or more when unit is newly purchased or when moved Temperature of defrosting sens...

Страница 23: ...ays the previous status 23 Defect code signs Defect code signs REFRIGERATOR TEMP COLDER WARMER 37 F IS RECOMMENDED 0 F IS RECOMMENDED FREEZER TEMP COLDER WARMER EXPRESS FREEZING NO ITEM ERROR CODE CONTENTS REMARKS 1 2 3 4 5 6 Failure of freezer sensor Failure of Refrigerator sensor Failure of defrost sensor Failure of Room Temperature sensor Failure of defrost mode Failure of BLDC Fan Motor at Fre...

Страница 24: ...at the Compressor Circulating Fan Damper and Defrost Heater are not operating 3 The Open Door Alarm and the Lamp Auto Off feature will work normally and can be demonstrated 4 To reset to normal operation press and hold either Warmer Key for about 5 seconds 24 MODE MANIPULATION CONTENTS REMARKS TEST1 TEST2 TEST3 Reset Push Express Freezing Key and COLDER KEY of Freezer Temp at the Same time for 3 s...

Страница 25: ... the MICOM and IC 5 Vdc The voltage for each part is as follows VA1 is a part for preventing over voltage and noise When 385V or higher power is applied the inside elements are short circuited and broken resulting in blowout of the fuse in order to protect the elements of the secondary part of the TRANSFORMER PART VA 1 CE 3 CE 4 CE 5 VOLTAGE 115 Vac 12 Vdc 15 5 Vdc 5 V 25 6 8 100 ...

Страница 26: ...ot work 9 2 3 Reset Circuit The RESET circuit allows all the functions to start at the initial conditions by initializing various parts including the RAM inside the MICOM IC1 when the power is initially supplied or the power supply to the MICOM is restored after a momentary power failure For the initial 10ms of power supply LOW voltage is applied to the MICOM RESET terminal During a normal operati...

Страница 27: ...ive Open Door Detection Circuit 1 Load Drive Condition Check LOAD TYPE COMP NO 13 NO 14 NO 16 NO 12 NO 15 1V or below 12V DEFROSTING HEATER LAMP VALVE FRENCH DOOR HEATER 1 2 DEW HEATER Measurement Location IC6 Condition ON OFF 27 2 1 Fan motor driving circuit freezing compartment fan sensing the operation RPM of the fan motor 2 Motors driving circuit 1 The circuit makes standby power 0 by cutting ...

Страница 28: ...motor driving circuit machine room by cutting off power supplied to ISs inside of the fan motor in the fan motor OFF 1 This circuit makes standby power 0 part part part MOTOR OFF 2V or less 0V 5V MOTOR ON 13V 15V 0V 2V 3V a b c 1 3 6 4 4 5 C FAN 1 2W PPG R40 KTB1151 R46 Q4 3 9KJ KTC3198 4 7KJ FR107 Q5 P11 2KJ 25V D8 R44 R41 R45 CE12 32 1 5KJ 35 220uF 102 D9 P14 FR107 CC20 CC19 10KJ R43 1mH 4 7KJ L...

Страница 29: ... for the surrounding temperature into MICOM OPENING or SHORT state of each TEMPERATURE SENSOR are as follows 29 PIN NO 30 PIN NO 37 Closed 5 V Open 0 V Freezer Refrigerator Door Measurement Location SENSOR CHECK POINT NORMAL 30 C 50 C SHORT CIRCUITED OPEN Freezer Sensor POINT Voltage Refrigerator Sensor POINT Voltage 0 5 V 4 5 V 0 V 5 V Defrosting Sensor POINT Voltage Room Temperature sensor POINT...

Страница 30: ...9 2 6 Refrigeration Compartment Stepping Motor Damper Circuit The circuit shown below is the damper circuit to regulate the refrigerator temperature 9 2 7 Dispenser Input 30 7 3 4 4 2 3 ...

Страница 31: ... 3kΩ Down Down Change Up Up Up Up Up Up Up Up 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C 3 5 C 5 6kΩ Down Down Down Change Up Up Up Up Up Up Up 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 8 2kΩ Down Down Down Down Change Up Up Up Up Up Up Refrigerator 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C RCR 10kΩ Down Down Down Down Down Change Up Up Up Up Up 3 C 2 5 C 2 C 1 5 C 1 C ...

Страница 32: ...rcuit The circuit shown above determines whether a function control key on the operation display is pushed It also turns on the corresponding function indication LED Module SEVEN SEGMENT DISPLAY The drive type is the scan type 32 CON 6 1 2 3 4 ...

Страница 33: ...speed Measure the F SENSOR SUPER FROST SENSOR R1 R2 SENSOR after disconnect CON5 of PWB ASSY MAIN TEMPERATURE RESISTANCE OF FREEZER RESISTANCE OF REFRIGERATOR SENSOR DEFROST SENSOR ROOM SENSOR 20º C 22 3 KΩ 77 KΩ 15 º C 16 9 KΩ 60 KΩ 10 º C 13 0 KΩ 47 3 KΩ 5 ºC 10 1 KΩ 38 4 KΩ 0 ºC 7 8 KΩ 30 KΩ 5º C 6 2 KΩ 24 1 KΩ 10ºC 4 9 KΩ 19 5 KΩ 15ºC 3 9 KΩ 15 9 KΩ 20ºC 3 1 KΩ 13 KΩ 25ºC 2 5 KΩ 11 KΩ 30ºC 2 0...

Страница 34: ...C is poor Replace OLP PTC after compressor shuts off COMPRESSOR RELAY is Replace MAIN PWB don t press the KEY and poor wait THE CONNECTING WIRE Check the connection of the is poor black wire of the MAIN PWB CONNECTOR CON2 2 If refrigerant is leaking Measure the amount of frost Refrigerant leakage Replace the leaking part and sticking on EVAPORATOR replace any lost refrigerant and the surface tempe...

Страница 35: ...liner damaged Replace Door liner door is closed DEFROSTING is NO DEFROSTING 1 If HEATER emits heat USE TEST MODE3 HEATER disconnection Replace HEATER poor forced DEFROSTING TEMPERATURE FUSE Replace TEMPERATURE disconnection FUSE Connection is poor Check EVAPORATOR connection and wire of MAIN PWB CONNECTOR DEFROST SENSOR is poor Replace DEFROST SENSOR HEATER RELAY is poor Replace RY2 of MAIN PWB 2 ...

Страница 36: ...9 5 MAIN PWB ASSEMBLY AND PARTS LIST 9 5 1 Main PWB Assembly 36 ...

Страница 37: ...E FILM FUSE1 D3SBA60 BK SHINDENGEN 600V 4A 80A 10UA 0RS3303J609 84 1UF KME RG YX 50V 0 2 FM5 TP 5 TNC 67 220P 2KV K B S RELAY 6854B50001A CON1 0CK223DK96A RL2 6200JB8004A 0CK102DK96A 0DD400409AC CC8 CC9 CC11 15 CC18 470PF 50V K B TA52 0CK22102510 RL1 22NF 50V Z F TA52 SAM WHA SMW250 YEONHO 6P 2 5MM STRAIGHT SN 0CE106EK638 26 1K OHM 1 4 W 1 00 TA52 KIA7042P KEC 3P BK RESET YEON HO CC17 CC20 95 1MOH...

Страница 38: ... 1 2K OHM 1 8 W 2012 5 00 D 16 ROHM RLS4148 ROHM R TP LLDS LL 34 75V 450MA 2000MA 0RD1001E672 KYUNG IN SUNWAY 0CK104DK94A BETTER KPT 1105A 19 R18 R20 4 M54563FP MITSUBISHI 20 R TP CONVERT 100UF MV 16V 20 R TP SMD SMD KIA78L05F KEC SOT 89 TP REGULATOR SWITCH TACT TOSHIBA CAPACITOR FIXED CERAMIC 0ISTLKE003A IC STANDARD LOGIC 0RH2001L622 SAMHWA IC2 9 KID65003AF 16SOP BK 7CH DRIVER 13 LT8323 41 BCN 2 ...

Страница 39: ...F CC6 473 180KJ IC4 2 5 C R7 M RL1 IC7 CC7 FUSE M 5 TEMP COMPENSATION REPLACING RCR1 5 10 nc com G5NB 1A L1 P05 TEST STARTING CAPACITOR D7 275VAC 2 C 3 5 P06 RY4 104 21 5V 275VAC 6 8K J 2KJ 5 CE1 CSTS0400MG03 CM3 12KJ 35V 0 5 C HEATER 10 27 104 12 7 LAMP R 3 RUNNING CAPACITOR ALZ21B12 RC FILTER 470nF 680J Rocp P02 VDD Vss 8 L2 3 3KJ CE2 1 5 C R3 630V 18KJ KIA431 1 C 2 4KF RC FILTER 15 5V RESET 4 7...

Страница 40: ...KJ 2KJ 4 7KJ 10uF FR107 4 7KJ 1mH R27 R28 CE6 3 9KJ R31 223 38 Q5 P11 2K 6 2KJ 6 14 15 2KJ 25V R25 2KJ D8 CE8 2KJ L3 10uF 2KJ 26 1KF 39 10KJ P62 24 R44 223 R41 INT4 33 R21 10 TA7774F R45 2KJ 50V CE12 32 10uF R36 CE11 104 2KJ P20 1 5KJ 35 P71 2KJ FR107 R16 8 1 2 220uF 102 10uF CE9 D9 25V Q2 R19 SW1 10KJ P61 Q3 37 P14 7 R35 4 7K R30 FR107 CC20 RD1 RR1 CC19 R37 220uF D5 P77 R20 223 ZD1 223 34 P60 KTC...

Страница 41: ...08A 314A 307A 312A 317A 310A 103A 105A 301A 103B 418A 281A 402A 271C 305B 305B 305C 305C 323B 329C 420A 319A 319C 503D 282B 409D 120B 409B 158A 125D 332A 135C 405A 158E 145B 409B 503C 503E 106A 145A 282F 128F 128E 405C 405F 319E 329A 404A 903D 610A 903E 610A 262H 410G 402A 271A 282E 503G 406B S22 405G 903A 903B 903B 103C 105F 410A 405B 405B 328B 327A S01 S01 619B EV ...

Страница 42: ...FREEZER PARTS CAUTION Use the part number to order part not the position number 136A 237C 136B 248E 248F 131A 145C 145F 42 EV ...

Страница 43: ...e part number to order part not the position number 147B 147C 147A S24 141B 141C 141A 141D 149C 141E 149E 141B 141C 141A 170A 128A 142B 142E 142D 142A 128C 128M 278C 128G S24 S24 103E 103E 146A 151A 305D 154A 155B 151A 167B 168A 43 EV ...

Страница 44: ...ber 104E 241C 241C 241C 237A 241C 241C 241C 241A 241B 237A 250A 233B 233C 231B 230B 243A 243B 262E 233A 233D 231A 230A 212G 243A 243B 249J 249K 262E 286A 233D 250B 249E 249A 621B 249F 249B 250B 621C 286A 212J 244A 212J 244A Only on some models 44 203A 201A 200A 212A 212J EV ...

Страница 45: ...WATER and ICE MAKER PARTS CAUTION Use the part number to order part not the position number 602A S28 600A 619A 619C 262D 618A 623C 616E 622A S31 S29 622B 622B 45 EV ...

Страница 46: ...Y REFRIGERATOR 405B 5040JJ2001A DAMPER MOTOR SUPPORT 151A 3391JJ1038A TRAY ASSEMBLY VEGETABLE 405C 5040JA2009B DAMPER MOTOR SUPPORT 154A 3550JJ1108A Cover TV 405F 5040JA2004B DAMPER MOTOR SUPPORT 155B 4980JJ1016A SUPPORTER COVER TV 405G 4811JJ2002H BRACKET ASSEMBLY MOTOR 158A 3550JJ1040A Cover Lamp 406B 6600JB1004A Switch Push Button 158E MCK30060901 Cover Lamp 409B 6912JK2002C LAMP INCANDESCENT 1...

Страница 47: ...EFRIGERATOR 405B 5040JJ2001A DAMPER MOTORSUPPORT 151A 3391JJ1038A TRAYASSEMBLY VEGETABLE 405C 5040JA2009B DAMPER MOTOR SUPPORT 154A 3550JJ1108A Cover TV 405F 5040JA2004B DAMPER MOTOR SUPPORT 155B 4980JJ1016A SUPPORTER COVERTV 405G 4811JJ2002H BRACKETASSEMBLY MOTOR 158A 3550JJ1040A Cover Lamp 406B 6600JB1004A Switch Push Button 158E MCK30060901 Cover Lamp 409B 6912JK2002C LAMP INCANDESCENT 167B 489...

Страница 48: ...ASSEMBLY REFRIGERATOR 405B 5040JJ2001A DAMPER MOTOR SUPPORT 151A 3391JJ1038A TRAY ASSEMBLY VEGETABLE 405C 5040JA2009B DAMPER MOTOR SUPPORT 154A 3550JJ1108A Cover TV 405F 5040JA2004B DAMPER MOTOR SUPPORT 155B 4980JJ1016A SUPPORTER COVER TV 405G 4811JJ2002H BRACKET ASSEMBLY MOTOR 158A 3550JJ1040A Cover Lamp 406B 6600JB1004A Switch Push Button 158E MCK30060901 Cover Lamp 409B 6912JK2002C LAMP INCANDE...

Страница 49: ...P No 3828JL8076D_REV JANUARY 2007 ...

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