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LG GC-W061BTH.CTICJHK Service Manual

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WINE CELLER
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY
PRECAUTIONS" IN THIS MANUAL.
MODEL: GC-W061BTH.CTICJHK（13483）

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Summary of Contents for LG GC-W061BTH.CTICJHK

  • Page 1 WINE CELLER SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS" IN THIS MANUAL. MODEL: GC-W061BTH.CTICJHK（13483）...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. Product Specification............................ 4 2. Component Names and Motions........................5 3. Exterior ................................8 4. Circuit Diagram ............................13 5. TROBLESHOOTING............................15 6. Micom Function and Circuit Diagram ..................... 21 7. Special Features ............................37 8. Standard Self-Diagnostic Function......................38 9.
  • Page 3 SERVICING PRECAUTIONS Features of refrigerant (R600a) After the refrigerant (R600a) is completely discharged, repair any defective parts and replace the dryer. At any case you must use the • Achromatic and odor less gas. LOKRING for connecting or replacing any part in the cycle (No Fire, •...

  • Page 4: Product Specification

    PRODUCT SPECIFICATION 1. Product Specification 1-1. Rated, product specifications Model Name GC-W061 Regular Contents 135Li Exterior measurements 595 X 580 X 820 (Width X Depth X Height) Rated Voltage/Frequency 230V / 50Hz Power Consumption Weight 47kg Cooling Method Cool Air Automatic Circulation Type Temperature Control Device MICOM Outer Case Material...

  • Page 5: Component Names And Motions

    COMPONENT NAMES AND MOTIONS 2. Component Names and Motions 2-1. Interior • Interior Light (Interior Ceiling, CASE DISPLAY & BARRIER installed in the lower column) Interior light operates by the control panel regardless of door opening or closing. • Interior light uses DC voltage. Please see 1-2, component details. •...
  • Page 6 COMPONENT NAMES AND MOTIONS GC-W061*** Light bulb • Light bulb inside the wine Wine shelf fridge can be turned on or off by pressing the button on the operation panel. • Light bulb inside the wine fridge will automatically turn off after the door is open for an hour.

  • Page 7: Exterior

    EXTERIOR 3. Exterior 3-1. Exterior GC-W061*** - 7 -...

  • Page 8: Circuit Diagram

    CIRCUIT DIAGRAM 4. Circuit Diagram 4-1. Circuit Diagram : Indicated component is a safety part. (In case of a replacement, please use a designated part for its function and your safety.) GC-W061*** GC-W061***（Europe area） MODEL:GR-W061BXH MODEL: GC-W061*** This product is powered by electricity. Once the power is plugged out, please wait at least 5 minutes before you plug it back in.

  • Page 9: Trobleshooting

    TROBLESHOOTING 5. Trobleshooting 5-1. COMPRESSOR AND ELECTRIC COMPONENTS Equal to the applied Separate the PTC-STARTER from the Power Source voltage. (Rating Compressor and measure the voltage voltage ± 10%) between M and C of the Compressor. Advice the customer to The applied voltage is not in the range use in the specified of Rating Voltage ±...
  • Page 10 5-3. ANOTHER ELECTRIC COMPONENTS 5-3-1. No Cooling The Compressor Replace the Check if the current flows Poor contacting point doesn't run. Thermostat. at the contacting point of the Thermostat. Check the current flowing Replace the device. Shorted or Broken of starting system. Check if the current flows Replace the Coil shorted...
  • Page 11 5-4. REFRIGERATING CYCLE 5-4-1. Troubleshooting chart DEFECT EFFECT CAUSE REMEDY Freezer and fridge room do An empty refrigerant system indicates Leakage must be eliminated by SYSTEM not frost even though motor- a leakage of isobutane (R600a). This resoldering the defective point . PARTIALLY OR compressor runs continually.
  • Page 12 5-4-2. General Control of Refrigerating Cycle ITEMS CONTENTS AND SPECIFICATIONS REMARKS WELDING (1) H 30 • Chemical Ingredients • Recommend H34 containing 34% Ag in the • Ag: 30%, Cu: 27%, Zn: 23%, Cd: 20% Service Center. • Brazing Temperature: 710~840 °C (2) Bcup-2 •...
  • Page 13 5-2. PTC First, separate the PTC from the Compressor and check the voltage Poor starting or no between NO 5 and 6 in the PTC operating of the with a multitester or Wheatstone Compressor. Bridge. Observation value is Check another Normal electric 220~240V/50Hz :...
  • Page 14 LOKRING TUBE JOINT LOKRING Figure 15. LOKRING ASSEMBLY JAWS BOLT TOOL Figure 16. LOKRING TOOL - 14 -...

  • Page 15: Micom Function And Circuit Diagram

    MICOM FUNCTION AND CIRCUIT DIAGRAM 6. MICOM Function and Circuit diagram 6-1. Functions 6-1-1. Displays 1. At the first power-up, the machine is unlocked. And, the initial setting is 14°C/RED for top, 8°C/WHITE for bottom. 6-1-2. Lock/Unlock Function 1. By pressing the ‘Lock/Unlock’ button for 3 seconds, it will unlock the machine. If the control panel is idle for 10 second, it will automatically lock itself.
  • Page 16 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-1-4. DISPLAY OFF Function 1. With the lock off, by pressing the ‘Power’ button for 3 seconds, every LED turns to OFF and the machine switches to suspension mode. 2. In the suspension mode, by pressing ‘Power’ button for 3 seconds, the suspension mode becomes cancelled and the Top/Bottom part displays its prior values.
  • Page 17 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-1-7. Exterior Temperature Counter Operation 1. A sensor senses exterior temperature and keeps interior temperature constant. Wine Cellar Storage Normal Operation Temperature +1.5℃ -0.5℃ -2.5℃ Exterior Temperature Counter Operation Spring Summer Fall Winter Seasons 6-1-8. Electronic Parts Consecutive Operation Electronic parts, such as COMP, top/bottom, will operate in consecutive order to prevent a noise and parts damages from multiple parts operating at an initial power-on and a series of test runs.
  • Page 18 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-1-9. Malfunction Diagnosis Function 1. This function is to facilitate SVC at a time of a problem during an operation. 2. Even when a problem occurs, display buttons and LED will operate in normal condition. You can identify the problem by pressing both ‘△’...
  • Page 19 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-2. Circuit Diagram 6-2-1. Power Supply Diagram (VAREF) (VASS) Power supply diagram consists of a noise reduction part and a SIMPS(Switching Mode Power Supply), a rectifying part (BD1, CE1) (from AC to DC), a switching part (IC3) for switching the DC voltage, TRANS for delivering the energy from Switch 1 to #2, Switch #2 for supplying power to MICOM and IC, and a FEED BACK(IC4) for sending a feedback to TRANS in order to maintain a consistent voltage at #2.
  • Page 20 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-2-4. Load Drive Circuit Load Type COMP Top Maturing Heater Bottom Maturing Heater Measuring Parts (IC2) Below 1V Condition 6-2-5. STEPPING MOTOR Operation Circuit (3-WAY VALVE) CON6 According to a specified STEP numbers, send ‘HIGH’ and ‘LOW’ signals through MICOM PIN #16, 15, 18, and 17. Revolving magnetism forms on the motor coil.
  • Page 21 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-2-6. Switch Input Circuit Input Circuit is to sense a TEST-S/W signal for refrigerator inspection. 6-2-7. Temperature Sensing Circuit This circuit consists of top/bottom sensor, top EVA/bottom EVA sensor for controlling top/bottom parts’ storage/maturing temperature, and an exterior temperature sensor. Each sensor’s SHORT and OPEN condition is as followed. ℃...
  • Page 22 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-2-8. Temperature compensation and overcooling / insufficient cooling, maturing temperature cut compensation circuit. (1)Temperature Compensation UCR1 (AIN5) LCR2 (AIN6) A circuit to input a value of compensation temperature to MICOM for controlling top/bottom storage temperature Bottom Value of temperature Others...
  • Page 23 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-2-9. Communication Circuit between MAIN PCB and DISPLAY PCB Communication circuit for an information exchange between MAIN MICOM and DISPLAY PCB in MAIN PCB If there is an interruption in information exchange between MAIN MICOM and DISPLAY PCB in MAIN PCB for more than 30 seconds, it causes a communication malfunction.
  • Page 24 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-3. Sensor Resistance Specification Chart Temperature Top · Bottom Sensor, Top · Bottom EVA Sensor, Measurement (℃) Exterior Sensor ㏀ -20 ℃ ㏀ -15 ℃ ㏀ -10 ℃ 47.3 ㏀ -5 ℃ 38.4 ㏀ 0 ℃ ㏀...
  • Page 25 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-4. MAIN PWB ASSEMBLY AND PARTS LIST 6-4-1. MAIN PWB ASSEMBLY DOWN VALUE CON4 COMP TX RX - +5 MAGIC 1 2 3 4 5 6 7 8 9 10 11 12 CON5 CON3 CON2 CON2 JP10 CE4 CE3 CE2 CE1...
  • Page 26 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-4-2. Replacement Parts List - 26 -...
  • Page 27 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-4-3. PWB ASS’Y, DISPLAY AND PARTS LIST - 27 -...
  • Page 28 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-5. PWB DIAGRAM 6-5-1. PWB Assembly Main DIAGRAM (* PWB circuit diagram may vary a little bit depending on actual condition.) - 28 -...
  • Page 29 MICOM FUNCTION AND CIRCUIT DIAGRAM - 29 -...
  • Page 30 MICOM FUNCTION AND CIRCUIT DIAGRAM 6-5-2. PWB Assembly DISPLAY DIAGRAM (* PWB circuit diagram may vary a little bit depending on actual condition.) - 30 -...

  • Page 31: Special Features

    SPECIAL FEATURES 7. Special Features 7-1. Direct cooling system prevents sudden wine temperature change An evaporator (laid inside of the back panel) prevents a sudden wine temperature change. The interior sensor located in the upper/lower part divider controls the temperature, matching the interior and the actual wine temperature. Interior temperature can be adjusted in a range between 6~18 °C.

  • Page 32: Standard Self-Diagnostic Function

    STANDARD SELF-DIAGNOSTIC FUNCTION 8. Standard Self-Diagnostic Function In case if there is any malfunction in the wine cellar, a symbol automatically is indicated on the “set temperature” display. Symbol explanation is on the circuit diagram on the back panel of the product. 8-1.

  • Page 33: Maintenance

    MAINTENANCE 9. Maintenance 9-1. Installation Instruction (Leveling the product) (Ensuring heat radiation area) Two people are required in order to perform the leveling. The heat radiation grill emits heat. Please leave enough space, more than 10cm for top, and 0.5cm for left and right 1.
  • Page 34 MAINTENANCE 8-3. Temperature control The regulated temperature range is 6°C to 8°C Lock/Unlock Lighting bulb button To stabilize the set temperature, Bulb will automatically turn off Indication of “TOP” Indication of “BOTTOM” press the button for 3 seconds after a maximum time of 1 hour. set temperature set temperature before operation...
  • Page 35 MAINTENANCE 9-4. Correct Usage 9-4-1. How to place the wine bottle? * When placing in the wine bottle, please place bottles inserting direction crossing each other as shown as in the picture. * If you overload on a one shelf, it may cause inconveniency when you take out the bottle.

  • Page 36: Handle Disassembling, Assembling Instruction

    Handle Disassembling, Assembling Instruction 10. Handle Disassembling, Assembling Instruction 10-1. Before you disassemble the handle. 1. Empty the refrigerator before you disassemble the handle. 2. Following tools are required. 3. Do not tilt the refrigerator. 4. Be careful not to drop the handle when disassembling/assembling. Rubber hammer (+), (-) Driver.

  • Page 37: Service Parts Chart

    SERVICE PARTS CHART 11. Service Parts Chart 120D 609H 503F 1 45D 1 28D 1 45C 1 28C 07 A 316B 316B 316B 316B 327A 316A 328B 501A - 3 7 -...

This manual is also suitable for:

13483

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