LG GR-F218 Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Refrigerator
  5. GR-F218
  6. Service manual

LG GR-F218 Service Manual

Hide thumbs Also See for GR-F218:
Table of Contents

Advertisement

Quick Links

REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE PRODUCT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODELS:
GR-F218
GR-F258
COLORS: WESTERN BLACK(SB)
TITANIUM(TT)
SUPER WHITE(SW)
STAINLESS(ST)

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GR-F218 and is the answer not in the manual?

Questions and answers

Related Manuals for LG GR-F218

Summary of Contents for LG GR-F218

  • Page 1 REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE PRODUCT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODELS: GR-F218 COLORS: WESTERN BLACK(SB) GR-F258 TITANIUM(TT) SUPER WHITE(SW) STAINLESS(ST)

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ............................... 2 SPECIFICATIONS................................... 3 PARTS IDENTIFICATION ............................... 4 DISASSEMBLY..................................5-7 DOOR....................................5-6 DOOR ALIGNMENT................................6 FAN AND FAN MOTOR................................ 7 DEFROST CONTROL ASSEMBLY............................7 LAMP....................................7 REFRIGERATOR CONTROL BOX ............................7 MULTI DUCT ..................................7 ADJUSTMENT..................................8-9 COMPRESSOR..................................8 PTC-STARTER..................................

  • Page 3: Specifications

    1. SPECIFICATIONS GR-F218/GR-F258 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DOOR DESIGN Side Rounded VEGETABLE TRAY Opaque Drawer Type 298 (21 cu. ft.) COMPRESSOR PTC Starting Type NET WEIGHT (pounds) 320 (25 cu. ft.) EVAPORATOR Fin Tube Type COOLING SYSTEM Fan Cooling CONDENSER...

  • Page 4: Parts Identification

    2. PARTS IDENTIFICATION Digital Sensor Control Dairy Bin Refrigerator Light Egg Box Shelves Modular Door Bin Modular Door Bin Bottle Holder Optibin Crisper Keeps fruits and vegetable fresh Modular Door Bin and crisp Glide'N'Serve Customcube Icemaker Pullout Drawer Ice Bin Durabase Tilt-Out Door Basket...

  • Page 5: Disassembly

    3. DISASSEMBLY 3-1 DOOR Refrigerator door 1. Remove the top hinge cover and disconnect the wire Gasket harness. Door Bracket Clip 2. Remove the ground screw. Frame 3. Rotate the lever hinge and lift off hinge. 4. Lift off the refrigerator door. Flat Tip 5.

  • Page 6: Door Alignment

    2. Insert gasket into channel 3-2 DOOR ALIGNMENT 1) Snap gasket assembly into the door bracket. If the space between your doors is uneven, follow the Inserting the gasket assembly into the bracket door instructions below to align the doors: 1.

  • Page 7: Fan And Fan Motor

    3-3 FAN AND FAN MOTOR 4. Make sure the bulbs are cool to the touch. Turn bulbs counterclockwise to remove. 1. Remove the freezer shelf. (If your refrigerator has an 5. Assemble in reverse order by snapping the Lamp Cover icemaker, remove the icemaker first) in, engaging the rear tabs followed by the front tabs.

  • Page 8: Adjustment

    4. ADJUSTMENT 4-1 COMPRESSOR 4-2-3 PTC-Applied circuit diagram Starting method for the motor 4-1-1 Role The compressor intakes low temperature and low pressure gas from the evaporator of the refrigerator and compresses OVERLOAD PROTECTOR this gas to high-temperature and high-pressure gas. It then delivers the gas to the condenser.

  • Page 9: Olp (Overload Protector)

    4-3 OLP (OVERLOAD PROTECTOR) 4-4 TO REMOVE THE COVER PTC 4-3-1 Definition of OLP (1) OLP (OVERLOAD PROTECTOR) is attached to the compressor and protects the motor by opening the circuit to the motor if the temperature rises and activating the bimetal spring in the OLP. (2) When high current flows to the compressor motor, the bimetal works by heating the heater inside the OLP, and the OLP protects the motor by cutting off the current...

  • Page 10: How To Remove And Reinstall The Pullout Drawer

    4-5 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER 4-5-1 FOLLOW STEPS TO REMOVE Step 1) Open the freezer door. Step 2) Remove the lower basket. Step 3) Remove the two screws from the guide rails (one Step 4) Lift the freezer door up to unhook it from the rail from each side).
  • Page 11 4-5-2 FOLLOW STEPS TO REINSTALL Step 1) Reinstall the right side gear into the clip. Step 2) Insert the rail into the right side gear. Gears do not Step 3) Insert the rail into the left side gear, and insert the need to be perpendicular to each other.
  • Page 12 4-5-3 PULL OUT DRAWER To separate the drawer, push the front left and right hooks in direction to pull up and remove. Then gently lift the gear part of rear left and right side of the drawer and pull it out in direction.

  • Page 13: Circuit Diagram

    5. CIRCUIT DIAGRAM - 13 -...

  • Page 14: Troubleshooting

    6. TROUBLESHOOTING 6-1 COMPRESSOR AND ELECTRIC COMPONENTS (Rated voltage Remove PTC-Starter Power source. ±10%)? from compressor and measure voltage between terminal C of compressor and terminal 5 or 6 of PTC. OLP disconnected? No voltage. Replace OLP. Check connection condition. Reconnect.

  • Page 15: Ptc And Olp

    6-2 PTC AND OLP Normal operation of Separate PTC-Starter Observation value is compressor is from compressor and 115V/60Hz : 6.8Ω±30% impossible or poor. measure resistance between No. 5 and 6 of PTC-Starter with a tester. (Figure 19) Replace PTC- The resistance value Starter.

  • Page 16: Other Electrical Components

    6-3 OTHER ELECTRICAL COMPONENTS M Not cooling at all Check for open short or Compressor Cause incorrect resistance readings doesn't run. in the following components a. Starting devices Short, open, or broken. Poor contact b. OLP or shorted. Coil open or shorted. c.

  • Page 17: Service Diagnosis Chart

    6-4 SERVICE DIAGNOSIS CHART COMPLAINT POINTS TO BE CHECKED REMEDY No Cooling. • Is the power cord unplugged from the outlet? • Plug into the outlet. • Check if the power switch is set to OFF. • Set the switch to ON. •...

  • Page 18: Refrigeration Cycle

    6-5 REFRIGERATION CYCLE M Troubleshooting Chart TEMPERATURE STATE OF STATE OF THE CAUSE REMARKS OF THE THE UNIT EVAPORATOR COMPRESSOR PARTIAL Freezer Low flowing sound of A little higher • Refrigerant level is low due LEAKAGE compartment and refrigerant is heard and than ambient •...
  • Page 19 6-5-1 SEALED SYSTEM DIAGNOSIS Not Cooling Complaint All components operating, No airflow problems, Not frosted up as a defrost problem problem has been isolated to sealed system area Frost None Partial Pattern? Equalization Equalization Test Test Very Fast Very Slow Very Slow Fast Very Fast...

  • Page 20: Operation Principle And Repair Method Of Icemaker

    7. OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 7-1 OPERATION PRINCIPLE 7-1-1 Operation Principle of Icemaker Power On ¥ Adjusts EJECTOR to with power on. Start Position Start Position Icemaking ¥ Waits until water becomes cold after starting the Mode icemaking operation.
  • Page 21 7-2 ICE MAKER FUNCTIONS 7-2-1 Start Position 1. After POWER OFF or power outage, check the EJECTOR's position with MICOM initialization to restart. 2. How to check if it is in place: - Check HIGH/LOW signals from HALL SENSOR in MICOM PIN. 3.
  • Page 22 7-2-4 Fill/Park Position 1. Once a normal harvest mode has been completed, the water solenoid will be activated. 2. The amount of water is adjusted by pressing the fill key repeatedly. This changes the time allowed for fill as illustrated in the table below.
  • Page 23 7-2-5 Function TEST 1. This is a compulsory operation for test, service, cleaning, etc. It is operated by pressing and holding the fill key for 3 seconds. 2. The test works only in the icemaking mode. It cannot be entered from the harvest or fill mode. (If there is an ERROR, it can only be checked in the test mode.) 3.

  • Page 24: Description Of Function And Circuit Of Micom

    8. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM 8-1 FUNCTION 8-1-1 Function 1. When the appliance is plugged in, it is set to “37” for Refrigerator and “0” for freezer. You can adjust the Refrigerator and the Freezer control temperature by pressing the ADJUST button. 2.
  • Page 25 8-1-6 CONTROL OF FREEZER FAN MOTOR 1. Freezer fan motor has high and standard speeds. 2. High speed is used at power-up, for Ultra Ice, and when refrigerator is overloaded. Standard speeds is used for general purposes. 3. To improve cooling speed, the RPM of the freezer fan motor change from normal speed to high. 4.
  • Page 26 8-1-10 Buzzer Sound When the button on the front Display is pushed, a Ding~ Dong~ sound is produced. 8-1-11 Defrost cycle 1. A defrost cycle will be initiated after 4 hours of accumulated compressor run time after the initial power up or a power failure.
  • Page 27 8-1-14 Electrical Parts Are Turned On Sequentially Electrical parts such as compressor, defrosting heater, freezer fan, etc. are turned on in the following order to prevent noise and parts damage. Several parts are started at the same time at initial power on and are turned off together when test is completed.
  • Page 28 8-1-15 Defect Diagnosis Function 1. Automatic diagnosis makes servicing the refrigerator easy. 2. When a defect occurs, the buttons will not operate; but the tones, such as ding, will sound. 3. When the defect CODE removes the sign, it returns to normal operation (RESET). 4.
  • Page 29 8-1-16 TEST Mode 1. The test mode allows checking the PCB and the function of the product as well as finding out the defective part in case of an error. 2. The test mode is operated by pressing two buttons on the display panel. 3.
  • Page 30 8-2 PCB FUNCTION 8-2-1 Power Circuit 1. Power is supplied to the control board at pin7 and 9 od connector #1. - 30 -...
  • Page 31 8-2-2 Load / Buzzer Drive & Open Door Detection Circuit 1. Load Drive Condition Check To measure outputs of the control board, check voltages between the pins for the following components: Circuit Pin Number Pin Number Output Voltage Compressor Con2 pin11 Con1 pin1 115 VAC Condenser fan...
  • Page 32 3. Open Door Detection Circuit Check 8-2-3 Temperature Sensor Circuit Measurement Pin 4 & 5 of con4 Ref.Door Location Freezer/ Pin 5 & 6 of con5 Fre.Door Refrigerator Door Closed Open RESISTANCE OF FREEZER RESISTANCE OF REFRIGERATOR & TEMPERATURE SENSOR DEFROST SENSOR &...
  • Page 33 8-2-4 Refrigeration Compartment Stepping Motor Damper Circuit A reversible DC motor is used to open and close the damper. To open the damper, push test button once. To close the damper, push test button twice. - 33 -...
  • Page 34 8-3 TROUBLESHOOTING PROBLEM INDICATED BY CHECK CHECKING METHOD CAUSE SOLUTION POWER 1. The whole 1. FREEZER/ Check if POWER SOURCE is Use boosting TRANS. SOURCE is DISPLAY REFRIGERATOR. FREEZER/REFRIGERA poor. poor. LED/SEVEN TOR DOOR IS OPEN SEGMENT and check display. DISPLAY is off.
  • Page 35 PROBLEM INDICATED BY CHECK CHECKING METHOD CAUSE SOLUTION COOLING is 1. If FREEZER Check is FREEZER Make sure the DOOR poor. REFRIGERATOR TEMPERATURE is TEMPERATURE is too isattached. TEMPERATURE normal. low. is too low. 2. If amount of cool air Make sure that the FAN MOTOR is poor.
  • Page 36 8-4 PWB DIAGRAM 8-4-1 PWB Main Assembly - 36 -...
  • Page 37 - 37 -...

  • Page 38: Exploded View And Replacement Parts List

    9. EXPLODED VIEW & REPLACEMENT PARTS LIST CASE PARTS CAUTION: Use the part number to order part, not the position number. 607A 207B 626A 402A 624D 103B 271C 271B 624C 103A 410A 207A 409D 624A 406D 501F 402A 271B 271A 503D 282F 410G...
  • Page 39 FREEZER PARTS CAUTION: Use the part number to order part, not the position number. 145C 136B 131A 145G 237C 136A - 39 -...
  • Page 40 REFRIGERATOR PARTS CAUTION: Use the part number to order part, not the position number. 147C 141B 141A 147B 147A 141B 141C 141A 141B 141A 141C 141B 141A 141C 146A 161E 141D 141C 161A 167B 154A 161D 160B 151C 151A 161C 248A 155J 161F...
  • Page 41 DOOR PARTS CAUTION: Use the part number to order part, not the position number. 230B 230A 241A 241B 231B 233B 233C 233D 233A 231A 241C 212G 234A 234B 237A 241C 237A 241C 244E 244E 241C 241C 262C 262C 312C 243A 243A 243B 243B...
  • Page 42 WATER AND ICEMAKER PARTS CAUTION: Use the part number to order part, not the position number. 602A 600A 617A 625A 616J 616D 623B 616C 616H 616F 623B 616H 616E 627A 603A 616F 623A 627B 619A 603B - 42 - - 45 -...
  • Page 43 DISPENSER PARTS CAUTION: Use the part number to order part, not the position number. 295A 279A 616A 290A 279B 291A 293A 403A 292A 294A 279C - 43 -...
  • Page 44 P/No. MFL30178301 APR., 2006 Printed in Korea...

This manual is also suitable for:

Gr-f258

Table of Contents