LG GC-B207GLQV Service Manual
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LG GC-B207GLQV Service Manual

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REFRIGERA T O R
SERVICE MAN U A L
CAUT I O N
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BO O K
BEFORE CHECKING OR OPERATING THE REFRIGERAT O R .
SALES MODEL:GC-B207GLQV

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Summary of Contents for LG GC-B207GLQV

  • Page 1 REFRIGERA T O R SERVICE MAN U A L CAUT I O N PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BO O K BEFORE CHECKING OR OPERATING THE REFRIGERAT O R . SALES MODEL:GC-B207GLQV...

  • Page 2: Table Of Contents

    CONTENTS WARNINGS AND PRECAUTIONS FOR SAFETY ........................3 .................................. 4-7 COMPRESSOR ..................8-13 Heavy Repair Method of Refrigerator by Application of Refrigerant ................................1 4 SPECIFICATIO S PARTS IDENTIFICATION ...............................

  • Page 3: Warnings And Precautions For Safety

    WARNINGS AND PRECAUTIONS FOR SAFETY Please observe the following safety precautions in order to 8. Do not fray, damage, machine, heavily bend, pull out, use safely and correctly the refrigerator and to prevent or twist the power cord. accident and danger during repair. 9.

  • Page 4: Compressor

    COMPRESSOR Chapter 8 Compressor 1. Inverter Linear Compressor Check for defect of the inverter linear compressor in following orders: 1-1. Method to Measure Compressor Winding Resistance Normal Determination Criteria The compressor winding resistance can be determined as normal if resistance values show the values as described in below figure when measuring resistance values of the harness (connected with compressor) to connect Connect201(CON201) of the main PWB as shown in below figure.
  • Page 5 COMPRESSOR 1-2.Method to Determine Defect of Inverter Linear Drive Determination of Comp Operation Separate the back cover at the rear of refrigerator and determine for possible operation while touching the compressor with the hands with insulation gloves worn. Comp Operation - Determine possible trip by checking operation status if cold air comes out after opening the doors of the R-Room.
  • Page 6 COMPRESSOR Fuse Inspection - Visually inspect for fuse broken. - When a fuse is destroyed, visually inspect for breaking of IPM and IC209 and additionally check it with a multi-test. Inverter Parts Inspection - Visually inspect for breaking of IPM and IC209 and additionally check it with a multi-test (check for short). Bridge Diode Inspection - Bridge diode is considered as destroyed if value of10W or less is shown in every case when measuring resistance with a multi-test for 2 terminals of 4 diode terminals.
  • Page 7 COMPRESSOR Parts Defect Determination in Power On Status Parts Defect Determination in Power On Status Check of Power Application -Check that supply power of +15V, +8V used as supply power of digital circuits is normally applied. +15V Measuring part D202 Pin2-GND D203 Pin2-GND Normal 13V-15.5V...

  • Page 8: Heavy Repair Method Of Refrigerator By Application Of Refrigerant

    Heavy Repair Method of Refrigerator by Application of Refrigerant Chapter 9 Heavy Repair Method of Refrigerator by Application of Refrigerant 1. Outline 1-1. Checkpoints before Heavy Repair Open the Cover ASM, Back-M/C of refrigerator and check the type of refrigerant indicated on a compressor before starting work.A yellow label is adhered to the compressor for the refrigerator using R600a as refrigerant.

  • Page 9: Heavy Repair Svc Method

    Heavy Repair Method of Refrigerator by Application of Refrigerant 2. Heavy Repair SVC Method For the heaver repair of R600a type of refrigerator, perform work according to following SVC method. 2-1. Returnof Refrigerator Refrigerant Required equipment: Pinch pliers, refrigerant discharging hose, refrigerant returnbag ●...
  • Page 10 Heavy Repair Method of Refrigerator by Application of Refrigerant 2-2. Returnof Remained Refrigerant Required equipment: Pinch pliers, hose for refrigerant recovery, vacuum pump ● If refrigerant returntime of 7 minutes has passed, connect a vacuum pump at the ends of a refrigerant returnhose outdoor.
  • Page 11 Heavy Repair Method of Refrigerator by Application of Refrigerant 2-4. Charging Tube Connection Step Required equipment: Charging tube, simple welding machine ● Remove a charging pipe to recharge R600a refrigerant after completing work, and then connect a charging tube with welding 2-5.

  • Page 12: Refrigerant Charging

    Heavy Repair Method of Refrigerator by Application of Refrigerant 2-6. Refrigerant Charging Required equipment: Bombe, R600a refrigerant (80g) ● Firstly remove fire appliances and heating source for performing work when charging scaled refrigerant. (Do not spray refrigerant indoor.) ● Measure the accurate quantity (80g) of refrigerant to charge it into a Bombe. ●...
  • Page 13 Heavy Repair Method of Refrigerator by Application of Refrigerant 2-8. Failure Checking Procedures -13-...
  • Page 14 894(W) 725(D) 1753(H) MOLECULAR SIEVE XH-7 D I M E N S I O N S ( m m ) NET WEIGHT (kg) 4 - 5 Hours Fan Cooling 13 - 15 Hours l o r , r e Full Automatic Heater Defrost 40W (1 EA) Cyclo-Pentane...

  • Page 15: Parts Identification

    P ARTS IDENTIFIC A TION Cover PWB Frame Displa y - 1 5 -...
  • Page 16 HOW T O INS T ALL REFRIGER A T OR 1. How to Adjust Door Height of Refrigerator Even if the height can not be aligned by i f l f I ( e l l using the height adjustment screw,insert the transparent sheet supplied with the not be the same.

  • Page 17: Micom Function

    MICOM FUNCTION 1. Monitor Panel 2-1. Funnction of Temperature Selection Po wer 10th 11th Divisio Initially On Press Press Press Press Press Press Press Press Press Press Press Change Freezer 19 ° C 20 ° C 21 ° C 22 ° C 23 °...
  • Page 18 MICOM FUNCTION The control of variable-speed fan in freezer The fan motor in freezer should change speed from Standard to High to increase the cooling speed. High speed is used only on initial power on or when loading relevant operations. Standard speed is used in normal operating conditions.
  • Page 19 MICOM FUNCTION 2-7 ．Electrical device operation sequence When initial power-on and test is finished, electrical devices such as compressor, defrosting heater, cooling fan, stepping motor damper operate in the following sequence to reduce the noise and component damage. Load Operation Sequence FUNCTION REMARK 0.5s...

  • Page 20: Explation For Micom Circuit

    EXPLATION FOR MICOM CIRCUIT 1. Explanation for PWB circuit 1-1. Power circuit 1. GC-A207W/R207W Power circuit consists of SMPS (SWITCHING MODE POWER SUPPLY) power. The 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 (IC3, IC4) transferring it to the primary side.
  • Page 21 EXPLATION FOR MICOM CIRCUIT 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 (MICOM). The OSC1 must always use rated parts since if SPEC is changed, time calculated at the IC1 may be changed or no operation is done.
  • Page 22 EXPLATION FOR MICOM CIRCUIT 2. Door opening sensing circuit <GC-B207G/A207G> Measuring part IC1 (MICOM) No. 45 Pin Door of Freezing/Cold Storage Room Closing 5 V ( C - D . S/W at both ends are at Off status) Opening 5 V ( C - D . S/W at both ends are at On status) 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.
  • Page 23 EXPLATION FOR MICOM CIRCUIT 1-5. Temperature sensing circuit <GC-B207G/A207G> 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 in ice-making, or an evaporator for sensing temperature of a frost removal sensor necessary for frost removal.
  • Page 24 EXPLATION FOR MICOM 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. <GC-B207G/A207G> CC11 - 24 -...
  • Page 25 EXPLATION FOR MICOM CIRCUIT 1-8. Stepping motor operation circuit 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 (TA7774P) at the MICOM PIN 33 and outputting “High”, “Low” signal by step numbers fixed through MICOM PIN 34 and 35,.
  • Page 26 EXPLATION FOR MICOM CIRCUIT 1-8. Fan motor driving circuit (freezing 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.
  • Page 27 EXPLATION FOR MICOM CIRCUIT 2. Compensation circuit for weak-cold, over-cold at freezing room 1) GC-A207W/R207W Temperature compensation in CUT JCR1 +1 °C +2 °C JCR2 +1 °C JCR3 -1 °C -2 °C JCR4 -1 °C Compensation Compensation Temperature compensation value for weak-cold for over-cold Remarks...
  • Page 28 EXPL A TION FOR MICOM CIRCUIT 1-11. Com m unication ci r cuit and connection L/Wire between main PCB and displ a y PCB The f oll o wing circuit is a com m unication circuit used f or e xchanging the necessa r y in f o r mation bet w een main MICOM of main PCB and LCD dedicated MICOM f or LCD control of displ a y PC B .
  • Page 29 EXPLATION FOR MICOM CIRCUIT 2. Sensor resistance characteristics table Cold storage sensor 1, 2. Measuring Temperature (°C) Freezing Sensor Frost removal sensor, Outside sensor -20 °C 22.3 k 77 k -15 °C 16.9 k 60 k -15 °C 13.0 k 47.3 k -5 °C 10.1 k...
  • Page 30 EXPLATION FOR MICOM CIRCUIT 3.PWB Parts Drawings and List 3-1.PWB Assembly Main Parts Drawings -30-...
  • Page 31 EXPLATION FOR MICOM CIRCUIT -31-...
  • Page 32 CIRCUIT - 32-...

  • Page 33: Micom Error Code

    MICOM ERROR CODE 1-1. ERROR CODE SUMMARY Warning Please make sure power off and discharge fully before you test Error Code Item Error description Remark RIGE RATO F sensor F Sensor Open or short abnormal RT sensor RT Sensor Open or short abnormal R1 sensor Sensor lead wire...
  • Page 34 (RT) Sensor Position Map： (R1) Description Purpose & Position Disp. F-Sensor F Room temp measure R1-Sensor R Room temp measure (R2) R2-Sensor R Room temp measure D-Sensor Defrost start/exit temp measure (除霜) RT-Sensor Environment temp measure Load Control Error mode COMP F-FAN C-FAN...
  • Page 35 1-2. Troubleshooting With Error F Sensor Error F-Sensor CON8 Main PCB Wiring diagram Disconnect CON8 and Is it displayed under picture? measure the valve. Is resistance value between pins 23& 24 of CON8 as below? (WH to WH) 换F_Sensor Is the connection loose ?(CON8) Pin24 Pin23 Reconnect...
  • Page 36 R1 Sensor Error R1-Sensor CON7 Main PCB Wiring diagram - 26 - Is it displayed under picture? Disconnect CON 7 and 换 R1Sensor measure the valve. Is resistance value between pins 19&20 of CON7 as below? (WH to WH) Is the connection loose ?(CON7) Reconnect Pin19 Pin20 Result...
  • Page 37 D Sensor Error D-Sensor CON8 Main PCB · Housing-A Wiring diagram Is it displayed under picture? Disconnect this BK housing, . 换D_Sensor Is resistance value between p ins 3 & 4 as below? (BO to B Is the connection loose ?(CON8) Reconnect Pin3,4 Test Point...
  • Page 38 Defrost Heater Error FUSE-M DEF-Heater D-Sensor Main FUSE-M BL/WH Housing-A CON8 CON4 Wiring diagram ENTER the TEST 2 MODE Is it displayed under picture? Is the voltage value betwee n pins 7 (BN) & 9 (BL/WH) o f CON4 220~240V AC ? Replace MAIN PCB Pin9...
  • Page 39 Is the resistance Disconnect Black housi Replace Replace value of DEF-sensor like ng. Is the resistance Def Heater DEF-sensor as below? It depends on value like as below? the temperature. Resistance of Defrost-Sensor Test Point Result 0℃ 30 ㏀ 10℃ 19.53 ㏀...
  • Page 40 Freezer Fan Error BO/BL F-FAN Main CON8 Housing Wiring diagram Is it displayed under picture? Is the feedback voltage Replace between pin 9 and pin10 of MAIN PCB CON8 like as below? (from motor to main board) Is the connection loose ?(CON8) Reconnect Pin10 Pin9 Feedback voltage...
  • Page 41 Condenser Fan Error CON8 C-FAN Main PWB Housing Wiring diagram Is it displayed under picture? Is the feedback voltage Replace between pin 11 and pin14 MAIN PCB of CON8 like as below? (from motor to main board) Is the connection loose ?(CON8) Pin14 Pin11 Reconnect Feedback voltage...
  • Page 42 Communication Error Cover Hinge CON6 CON101 BN(Rx) BN(Tx) RD(Rx) RD(Tx) DISPLAY MAIN BO(GND) BO(GND) WH/BK(12V) WH/BK(12V) Rx: Receive Wiring diagram Tx: Send Is it displayed under picture? Display PCB Is the voltage between pins 1 and pin 3 of CON101? Replace Display Pin3...
  • Page 43 Main PCB MAIN PCB Reconnect Is the voltage between pin15 Is the CON5 loose? and pin17 of CON5 as below? Replace MAIN PCB Main PCB Pin17 Pin15 Is the voltage between pin15 Replace Send signal Voltage and pin15 of CON5 as below? MAIN PCB Test Point Result...
  • Page 44 Refrigerator2 Sensor Error R2-Sensor CON7 Main PCB Wiring diagram Is it displayed under picture? Disconnect CON7 and measure the value. Is resistance value between pins 17 & 18 of CON7 as below? (GY to GY) Replace R2-Sensor Is the connection loose ? Reconnect (CON7) Pin17 Pin18...
  • Page 45 Freezer-lamp (LED) doesn’t work F-DOOR Switch CON5 Main PCB RD/WH CON8 BL/WH F LED PCB Wiring diagram Is the voltage between pins Is the condition of Replace 9 and pin10 of CON6? the freezer door switch F-D S/W like as below? Replace (1)(2) Main PCB...
  • Page 46 Refrigerator-lamp (LED) doesn’t work R-DOOR Switch CON6 Main PCB RD/WH CON7 BL/WH Wiring diagram Is the voltage between pins Replace Is the condition of 11 and pin 12 of CON6? R-D S/W the freezer door switch like as below? Replace (1) (2) Main PCB Pin11...
  • Page 47 Poor cooling in the refrigerator compartment Enter the TEST 1 MODE Is the connection Replace Reconnect Is voltage value between pins loose ?(CON201) MAIN PCB 9 & 12 of CON8 as below? Pin12 Pin9 Freezer Fan voltage Test Point Result Enter TEST 1 mode Is the output voltage bet pin12 To pin9...
  • Page 48 Does the cold-air come out of Check the After reset the unit, take steps to PCB as the top of the main duct? follows for temperature compensation. Damper itself 1. replacing RCR1 Temp. Check the Enter the TEST 1 MODE RCR1 Remark Damper...
  • Page 49 Strong cooling in the refrigerator compartment Is the output voltage betwe Is the connection Reconnect en pin 12 and pin 13 of Replace loose ?(CON201) CON7 like as below? Main PCB Pin13Pin12 Freezer Fan voltage Test Point Result Enter TEST 1 mode Is the output voltage bet pin12 To pin13 12 ~ 16 V...
  • Page 50 Does the cold-air come out of Check the After reset the unit, take steps to PCB as the top of the main duct? follows for temperature compensation. Damper itself 1. replacing RCR1 Temp. Check the RCR1 Remark Enter the TEST 1 MODE Compassion Damper Does not cold-air come...
  • Page 51 2.1说明 3. How To Start Test Mode 1. How To Remove Terminal Position Push the TEST button on the Main PWB, Assurance (TPA) You can start the TEST MODE. TEST BUTTON * AC TPA * DC TPA *1 time : Comp / Damper / All FAN on, ...
  • Page 52 Attachments：Resistance of Sensor R1/R2/D/RT-Sensor Temp F-Sensor Resistance Resistance - 52-...
  • Page 53 TROUBLE DIAGNOSIS 1. TROUBLE SHOOTING CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK * Measuring instrument : 1) No power on outlet. 1. Faulty start Multi tester 2) No power on cord. Bad connection between adapter and outlet. (faulty adapter) Check the voltage.
  • Page 54 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 2. No cooling. Check the clogged 2) Refrigeration system is clogged. evaporator by heating (as Moisture Residual moisture Air Blowing. Not performed. soon as the cracking sound clogged. in the evaporator. Too short.
  • Page 55 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 3. Refrigeration 1) Refrigerant Partly leaked. Weld joint leak. is weak. Parts leak. 2) Poor defrosting capacity. Check visually. Drain path (pipe) clogged. Inject P/U into drain hose. Inject through the hole.
  • Page 56 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 3. Refrigeration Residual Weak heat from heater. Sheath Heater - rated. is weak. frost. Heater plate - rated. Too short defrosting time. Defrost Sensor. - Faulty characteristics. Seat-D(missing, location. thickness). Structural fault.
  • Page 57 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 3. Refrigeration 4) No cooling air circulation. is weak. Faulty fan motor. Fan is Fan shroud contact. - Clearance. constrained. Damping evaporator contact. Accumulated residual frost. Small cooling air Insufficient Fan overload.
  • Page 58 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. 2) Food storate. Store hot food. Store too much at once. Door open. Packages block air flow.
  • Page 59 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 6. Dew and 4) Dew on door. ice formation. 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.
  • Page 60 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. Back cover machine sound.
  • Page 61 TROUBLE DIAGNOSIS 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). Loosened by vibration. 3) Bad lamp socket. Disconnection. Bad soldering.
  • Page 62 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 10. Structure, 1) Door foam. appearance Sag. Weak torque of Bolt is loosened during and others. hinge connection. transportaion. Not tightly fastened. Screw worn out . Weak gasket Adhesion surface. adhesion.
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  • Page 80 TROUBLE DIAGNOSIS 3. Cooling Cycle Heavy Repair 3-1. The Heavy Repair Standards for Refrigerator with R134a Refrigerant Items Unit Standards Purposes Remarks Pipe and piping Min. Pipe:within 1 hour. To protect The opening time should be reduced to a system opening time. Comp:within Moisture half of the standards during rain and...
  • Page 81 TROUBLE DIAGNOSIS 3-2. Summary Of Heavy Repair Process Contents Tools Trouble diagnosis Remove refrigerant - Cut charging pipe ends and discharge refrigerant from Filter, side cutters Residuals drier and compressor. - Use R134a oil and refrigerant for compressor and drier Pipe Cutter, Gas welder, N - Confirm N sealing and packing conditions before use.
  • Page 82 TROUBLE DIAGNOSIS 3-4. Practical Work For Heavy Repair Items Precautions Evaporator 1. Removal of residual Low pressure side refrigerant. KEYPOINTING Compressor Observe the sequence for removal of refrigerant. Drier Suction (If not, compressor oil may leak.) Release High pressure side Condenser Refrigent Intake...
  • Page 83 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 1) Remove retained refrigerant more than 5 minutes after turning off a refrigerator. refrigerant. (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.
  • Page 84 TROUBLE DIAGNOSIS Items Precautions 4.Vacuum degassing. Evaporator Suction pipe Compressor Drier Condenser pressure High Blue pressure Yellow Vaccum KEYPOINTING Pump - If power is applied during vacuum degassing, vacuum degassing shall be more effective. Pipe Connection - Operate compressor Connect a red hose to the high pressure side and a blue hose to the while charging refrigerant.
  • Page 85 TROUBLE DIAGNOSIS Items Precautions Evaporator Compressor Drier 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.
  • Page 86 TROUBLE DIAGNOSIS 3-6. Brazing Reference Drawings GC-B207WLQ.CPLQMAG Area: M Asia PIPE ASSEMBLY PIPE ASSEMBLY HOT LINE HOT LINE (Refrigerator) (Freezer) Copper(Silver) Copper Brazer Brazer CAPI - TUBE DRIER ASSEMBLY Copper(Silver) Silver Brazer Brazer PIPE ASSEMBLY JOINT PIPE ASSEMBLY SUCTION Copper Brazer PIPE ASSEMBLY CONDENSER ASSEMBLY WIRE...
  • Page 87 TROUBLE DIAGNOSIS 4. HOW TO DEAL WITH CLAIMS 4-1. Sound Problems Checks and Measures I Explain general principles of sounds. "Whizz" 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.
  • Page 88 TROUBLE DIAGNOSIS Problems Checks and Measures I Explain the flow of refrigerant. Sounds of water flowing • When the refrigerator stops, the water flowing sound happens. This sound happens when the liquid or vapor refrigerant flows from the evaporator to compressor. I Explain the characteriistics of moving parts.
  • Page 89 TROUBLE DIAGNOSIS 4-2. Measures for Symptoms on Temperature Problems Checks and Measures I Check temperature set in the temperature control knob. Refrigeration is weak. • 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”...
  • Page 90 TROUBLE DIAGNOSIS 4-3. Odor and Frost Problems Checks and Measures I Explain the basic principles of food odor. Odor in the refrigerator compartment. • 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.
  • Page 91 TROUBLE DIAGNOSIS 4-4. Others Problems Checks and Measures I Explain the principles of radiator. The refrigerator case is hot. • 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.

  • Page 92: Door

    HOW TO 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 a f r eezer doo . r (Hinge Assembly, U) in arrow direction A and pull (1) Loosen hinge cover screw of freezer door and remove forward in arrow B direction.

  • Page 93: Handle

    HOW TO DISASSEMBLE AND ASSEMBLE 2. HANDLE 3. SHROUD, GRILLE FAN 1) Loosen two screws after disconnecting a cap screw of a grille fan(U) with a balde screwdriver . 1） Revolve the screw in the direction of arrow to loose ①...

  • Page 94: Exploded View

    EXPLODED VIEW 200A 202A 210B 210B 205F 210B 210C 210C 207A 207A 501A 201A 203A 207A 279A 207A 279B -94-...
  • Page 95 EXPLODED VIEW 230A 241A 232A 241C 212G 241B 240B 205F 147A 243E 240B 240C 231A 240D 234A 233A -95-...
  • Page 96 EXPLODED VIEW 131J 401A 154A 130A 131E 131B 101B 270A 402A 271B 131C 271A 131H 131D 137B 132A 137A 405F 403A 405C 136B 136A 135A 316B 120D 128C 302B 128D 128E 120B 128F 120B 272A 106A 283F 408A 120C 135B 105B 312A 125A...
  • Page 97 EXPLODED VIEW MULTI COOLING SYSTEM 116B 401C 150A 101B 270B 116A 402A 271B 271C 140A 115A 166A 151A 166C 152B 151C 166D 177A 151B 177B 162A 165A 162B 272B 166A 283F 283F 106A 165A 161A 166M 166G 160A -97-...
  • Page 98 EXPLODED VIEW 406A 502A 410L 407A 303C 500A 502B 304A 303D 313A 316A 300A 310B 307A 307A 317A 301A 318A 328A 104A 308B 306A 309A 309C 305A 403B 310A 305B 309B 305C 308C 308A 105E 305C 305B 105D 105F 105C -98-...

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