LG GR-L218 Service Manual Download Page 1

Page: 1 / 49

CAUTION

BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

REFRIGERATOR

SERVICE MANUAL

COLOR: TITANIUM

WESTERN BLACK
SUPER WHITE
STAINLESS

MODEL: GR-L258

GR-L2

Summary of Contents for GR-L218

Page 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL REFRIGERATOR SERVICE MANUAL COLOR TITANIUM WESTERN BLACK SUPER WHITE STAINLESS MODEL GR L258 GR L218 ...

Page 2: ...C STARTER 15 WATER VALVE DISASSEMBLY METHOD 16 FAN AND FAN MOTOR DISASSEMBLY METHOD 16 OLP OVERLOAD PROTECTOR 17 TO REMOVE THE COVER PTC 17 5 CIRCUIT DIAGRAM 18 6 TROUBLESHOOTING 19 23 COMPRESSOR AND ELECTRIC COMPONENTS 19 OTHER ELECTRICAL COMPONENTS 20 SERVICE DIAGNOSIS CHART 21 REFRIGERATION CYCLE 22 23 7 OPERATION PRINCIPLE REPAIR METHOD OF ICEMAKER 24 26 8 DESCRIPTION OF FUNCTION CIRCUITS ERRO...

Page 3: ...EGETABLE TRAY Opaque Drawer Type COMPRESSOR Recipro EVAPORATOR Fin Tube Type CONDENSER Wire Condenser REFRIGERANT R 134a 125 g LUBRICATING OIL ISO10 280 ml DEFROSTING DEVICE SHEATH HEATER LAMP REFRIGERATOR 60 W 2EA FREEZER 60 W 1EA Description GR L218 GR L258 Depth w Handles A 30 in 34 1 4 in Depth w o Handles B 27 1 2 in 31 3 4 in Depth w o Door C 23 5 8 in 27 7 8 in Depth Total with Door Open D ...

Page 4: ...ular Door Bins Refrigerator Shelves Supra Fresh Crisper with Tilt Out Compartment Ice Room Ice Maker and Ice Bank Pull out Drawer Turbo Motor Tilt Out Door Basket Durabase Divider Ice Bin Water Tank Cover Snack Pan Egg Box Dairy Bin Bottle Holder A B C D E F G H I J K L M N O P Q Ice Bank Ice Door ...

Page 5: ...ree of hinge lever latch 9 w w CAUTION When lifting hinge free of latch be careful that door does not fall forward 7 Lift door up from middle hinge pin and remove door 8 Place door inside facing up down onto a non scratching surface u u Right Door FIG 3 1 Open door Loosen top hinge cover screw 1 Lift up cover 3 2 Disconnect door switch wire harness 2 Remove cover 3 Disconnect wire harness 5 Remove...

Page 6: ...ining sides of door Door Gasket Replacement 1 Insert gasket bracket clips 1 Insert gasket bracket edge beneath door frame edge 2 Turn upper gasket bracket spring so that the spring ends are in the door channel 3 Push in clip until you hear it snap securely into place 4 Push in remaining clip until you hear it snap securely into place Note Make sure that no part of gasket bracket edge protrudes fro...

Page 7: ...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 3 5 FAN AND FAN MOTOR EVAPORATOR 1 Remove the freezer shelf If your refrigerator has an icemaker remove th...

Page 8: ...ves 3 Using a flat instrument gently pry the cover loose in the front as shown Rotate downward to remove rear tabs 4 Make sure the bulbs are cool to the touch Turn bulbs counterclockwise to remove 5 Assemble in reverse order by snapping the Lamp Cover in engaging the rear tabs followed by the front tabs Max 60 W 2EA 3 7 2 Freezer Compartment Lamp 1 Unplug refrigerator power cord form outlet 2 Usin...

Page 9: ...1 DISPENSER 1 Disconnect funnel and button assembly by pulling down and forward 2 Remove display frame assembly by making a gap between a display frame assembly and door with a flat blade screwdriver and pulling it forward The cover dispenser is attached with a hook 3 12 DISPLAY PWB REPLACEMENT 1 Pull up and out on the dispenser cover to remove 2 Follow the steps in the pictures 3 13 FUNNEL REPLAC...

Page 10: ...onnect the wire harness 3 Remove the funnel 4 Replace in reverse order 3 16 ICE CORNER DOOR REPLACEMENT 1 Loosen the front screw as shown in the picture 2 Lift up the hinge with one hand 3 Pull out the Ice Corner Door with the other hand 3 17 ICEMAKER ASSEMBLY 1 Loosen two screws as shown in the first picture 2 Disconnect the wire harness ground screw replace theIcemaker assembly in the reverse or...

Page 11: ...ow 2 Grip the bottom of motor cover assembly and pull out it 3 Disconnect wire harness of motor cover assembly There is a auger motor on the back as shown in the picture 3 19 AUGER MOTOR REPLACEMENT 1 Remove the Ice Bin 2 Remove the 2 screws on the front cover the auger drive coupler 3 Follow the steps in the pictures 11 Geared Motor ...

Page 12: ...e 2 Lift the lower part slightly 3 Take the Ice Bin out slowly 3 21 HOW TO INSERT A DOOR ICE BIN 1 Insert the Ice Bin slightly tilting it to avoid touching the Icemaker especially ice maker lever Insert the ice bucket carefully avoid contacing the automatic shut off arm 12 1 2 ...

Page 13: ...eezer door up to unhook it from the rail support and remove Pull both rails to full extension Step 5 First Remove the gear from the left side first by releasing the tab behind the gear place a screwdriver between the gear and the tab and pull up on the gear Second Remove the center rail Third Remove the gear from the right side by following the same steps for the left side NOTE THIS TAB MUST BE PU...

Page 14: ...l align itself by pushing the rails all the way into the freezer section Pull the rails back out to full extension Step 6 Reinstall the two screws into the guide rails one from each side Step 3 Insert the rail into the left side gear and insert the gear into the clip Step 5 Reinstall the freezer door by inserting the rail tabs into the guide rail Step 7 Reinstall the lower basket and close the fre...

Page 15: ...le phase induction motor The starting operation the PTC allows current flow to both 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...

Page 16: ...Valve Screw 5 Separate the housing and pull out the valve 4 4 FAN AND FAN MOTOR DISASSEMBLY METHOD 1 Using a short screwdriver loosen one SCREW in DRAIN PIPE ASSEMBLY and one connected to the MOTOR COVER 2 Pull and separate the FAN ASSEMBLY and MOTOR turning counterclockwise based on the MOTOR SHAFT The assembly is in the reverse order of the disassembly and take special care for the following det...

Page 17: ...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 Part Customer part number Lot code date code 330 FBYY S1 BOX98 12345678 Physical termination part number Electrical characteristics part number No Name Base phenolic UL 94 V 0 r...

Page 18: ...5 CIRCUIT DIAGRAM 18 ...

Page 19: ...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...

Page 20: ...apacity 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 indicat...

Page 21: ... high 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 refrige...

Page 22: ...or 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 ...

Page 23: ...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...

Page 24: ...its until water becomes ICE after starting the icemaking operation Runs MOTOR to drop ice from the tray into the ICE BIN During harvest mode check if the ice bin is full Performs Ice Making Mode after supplying water by operating the SOLENOID in ICE VALVE To operate LINE and SERVICE press and hold the Fill Key for 3 seconds The icemaker will run through 3 stages Harvest Fill Icemaking Reaches Star...

Page 25: ...f ice in the ice storage bin while rotating with the EJECTOR A Ice storage bin is full The EJECTOR stops heater off B Ice storage bin is not full The EJECTOR rotates twice to open for ice If the EJECTOR does not rotate once within 5 minutes in B mode separate heater control mode starts operating to prevent the EJECTOR from being constrained It is recommended that the user open for ice to return to...

Page 26: ...pre test setting Diagnosis TABLE 7 3 DEFECT DIAGNOSIS FUNCTION 7 3 1 ERROR CODES shown on Ice Maker water supply control panel 26 STAGE ITEMS INDICATOR REMARKS 1 2 3 4 5 6 HEATER MOTOR HALL IC I HALL IC II VALVE Reset Five seconds after heater starts a heater will go off if the temperature by sensor is higher than 10 C Five seconds after heater starts you can confirm that a motor is moving Check i...

Page 27: ...is displayed 3 The LOCK button is the only control feature that remains active in the locked state The buzzer sound other control buttons and the dispenser are deactivated 4 To release from the locked state press and hold the LOCK button again for 3 seconds 8 1 3 Filter condition display function 1 There is a replacement indicator for the filter cartridge on the dispenser 2 Water filter needs repl...

Page 28: ...rd speeds 2 High speed is used at power up for Express Freezing 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 High speed 2700RPM Initial power on or load corresponding operation Express Freezing Normal speed 2400RPM General working conditions 5 Fan motor stops when refr...

Page 29: ...o hours after the defrost is completed 3 If Express Freezing is pressed during defrost Express Freezing LED is on but this function will start seven minutes after defrost is completed and it shall operate for three hours 4 If Express Freezing is selected within seven minutes after compressor has stopped the compressor compressor delays seven minutes shall start after the balance of the delay time ...

Page 30: ...frosting won t function if its sensor is defective wires are cut or short circuited 8 1 13 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 The defect CODE shows on the Refrigerator and Freezer ...

Page 31: ...hen F B signal isn t over 115 seconds during BLDC FAN motor operating It is caused when F B signal isn t over 115 seconds during BLDC FAN motor operating It is caused when F B signal isn t over 115 seconds during BLDC FAN motor operating Communication Error between Micom of Main PCB and Display Micom Normal operation of Display Each Sensor have to check disconnection Temperature Fuse Disconnection...

Page 32: ...Push Test Switch in the main Board once See page 39 Push FREEZER KEY and LOCK KEY at the same time over 5 seconds in TEST MODE 1 OR Push TEST Switch onceinTEST MODE1 See page 39 Push FREEZER KEY and LOCK KEY at the same time over 5 seconds in TEST MODE 2 OR Push TEST Switch onceinTEST MODE2 See page 39 Push FREEZER KEY and LOCK KEY at the same time over 5 seconds in TEST MODE 3 OR Push TEST Switch...

Page 33: ...8 2 PCB FUNCTION 8 2 1 Power Circuit 1 Power is supplied to the control board at pin1 and 3 of connector 1 33 ...

Page 34: ...tor turns 2 1 Freezing compartment fan Pin1 2 of con4 MOTOR OFF 2V or less MOTOR ON 13V 15V 34 Circuit Pin Number Pin Number Output Voltage I Maker Pilot Valve Con3 Pin3 Con3 Pin2 115 VAC Lamp R Con3 Pin9 Con3 Pin2 115 VAC Barrier Heater Con3 Pin8 Con3 Pin2 115 VAC Lamp F Con3 Pin7 Con3 Pin2 115 VAC Def Heater Con3 Pin10 Con3 Pin2 115 VAC Water Pilot Valve Con3 Pin11 Con3 Pin2 115 VAC Compressor C...

Page 35: ...2 2 Machine compartment fan 2 3 Icing compartment fan Pin7 8 of con4 MOTOR OFF 2V or less MOTOR ON 13V 15V Pin4 5 of con4 MOTOR OFF 2V or less MOTOR ON 13V 15V 35 ...

Page 36: ...r Refrigerator Door Measurement Location Pin 4 5 of con4 Ref Door Pin 5 6 of con5 Fre Door TEMPERATURE RESISTANCE OF FREEZER Icing RESISTANCE OF REFRIGERATOR SENSOR DEFROST SENSOR ROOM SENSOR 20 C 4 F 22 3 KΩ 77 KΩ 15 C 5 F 16 9 KΩ 60 KΩ 10 C 14 F 13 0 KΩ 47 3 KΩ 5 C 23 F 10 1 KΩ 38 4 KΩ 0 C 32 F 7 8 KΩ 30 KΩ 5 C 41 F 6 2 KΩ 24 1 KΩ 10 C 50 F 4 9 KΩ 19 5 KΩ 15 C 59 F 3 9 KΩ 15 9 KΩ 20 C 68 F 3 1 K...

Page 37: ...ose the damper push test button twice 8 2 5 Dispenser Drive Circuit 37 Circuit Pin Number Pin Number Output Voltage Auger Motor Con2 Pin5 Con2 Pin7 115 VAC Solenoid Cube Con2 Pin3 Con2 Pin7 115 VAC Pilot Water Valve Con2 Pin1 Con2 Pin7 115 VAC Solenoid Dispenser Con3 Pin9 Con3 Pin3 115 VAC Dispenser Lamp Con3 Pin7 Con3 Pin3 115 VAC Heater Con3 Pin5 Con3 Pin3 115 VAC ...

Page 38: ...d the surfacetemperatureof the condenser pipe USETESTMODE1 forcedCOOLING Checktheamountoffrost stickingonthe EVAPORATOR oftheRefrigerator SENSOR Check the seal when the door is closed POWERSOURCEis poor Appliedvoltageerror CONNECTOR connection is poor TRANS FUSE is open COMPRESSOR locked or blocked OLP PTC is poor COMPRESSOR RELAY ispoor THE CONNECTING WIRE is poor Refrigerantleakage FANMOTORispoo...

Page 39: ...edDEFROSTING Check DRAIN PIPE Makesurethat DEFROST SENSOR is connected Makesurethat FREEZER REFRIGERATOR DOORisclosed FANMOTORispoor Passage of cool air is blocked EVA frozen Doorlinerdamaged HEATERdisconnection TEMPERATURE FUSE disconnection Connectionispoor DEFROST SENSOR is poor HEATERRELAYispoor DRAINPIPEisblocked Connectionispoor DOORdoesnotclose properly MakesuretheDOOR isattached ReplaceFAN...

Page 40: ...8 4 MAIN PWB ASSEMBLY AND PARTS LIST 8 4 1 Main PWB Assembly Test Switch Connector1 Connector2 Connector3 Connector5 Connector6 Connector7 Connector4 40 ...

Page 41: ...8 4 2 Dispenser Drive PWB Assembly Connector1 Connector4 Connector2 Connector3 41 ...

Page 42: ... 283B 283B 207B 103B 207A 271C 271B 315B 315B 315C 315C 323B 329C 420A 319A 319C 408A 503D 410A 409D 409B 158A 405F 404A 405C 332A 135D 405A 407A S16 B03 B04 S17 S15 158B 145B B03 409B 106A 120B 145A 249D 610A 610A 282F 405B 329A 103C 402A 410G 406B S10 S12 S11 S19 S20 S18 313A S02 S08 282G B01 S03 S03 B01 S11 S14 262B B02 B03 S14 262H 327A 301A 406D 207C 271A 402A 271B 410H 249C 411A 607A 624A 62...

Page 43: ...FREEZER PARTS CAUTION Use the part number to order part not the position number 43 145C 136B 145F 136A 237C 131A 250C 250D 250A 250D 250C ...

Page 44: ...Use the part number to order part not the position number only GR L218 44 141B 140B 140C 140A 141B 141C 141A 141B 141C 141A 141B 141C 141A 140D 160B 151A 154C 161E 161A 161C 161A 161D 161F 151C 154B 161D 161C 167B 154A 248A 141D ...

Page 45: ...e 45 249H 249F 249B 250B 250B 249G 249E 249A 250A 203A 201A 281C S34 281F S34 281E 281D 281F 205C 205B 205A 212D B06 B06 619B 603D 616J 603C 615A 233A 233D 231A 233B 233C 231B 241D 237A 241E 241F 230B 234B 234A 241A 241B 241C 243A 243B 212G 230A 146A S25 262C 243A 243B 262C S25 147C 147B 147A 241G 243B 200A 243B ...

Page 46: ...DISPENSER PARTS CAUTION Use the part number to order part not the position number 46 278A 402C 405A 275A 276A 278B 278C 278F 276B 279A 279B 281A 280C 280B 279D 279E 501A 278D ...

Page 47: ...ICE MAKER PARTS CAUTION Use the part number to order part not the position number 47 616F 623B 616G 616H 627A 616D 617A 619A 603B 625A 623B 616G 616H 603A 616F ...

Page 48: ...ICE BANK PARTS CAUTION Use the part number to order part not the position number 48 600A 630J 630C 630F 630B 630A 630H 630G 630K 630M 630N 630L 606A 611A 630D 630E 614A ...

Page 49: ...P No MFL30300501 APR 2006 Printed in Korea ...

Search results

Summary of Contents for GR-L218

Reviews:

Related manuals for GR-L218

Brands by name

Popular brands

LG GR-L218, Service Manual

Search results

Summary of Contents for GR-L218

Reviews:

Related manuals for GR-L218

Brands by name

Popular brands