LG HG7522KR.ABDELGA Service Manual Download Page 1

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Gas Cooktop

SERVICE MANUAL

MODEL: LCG3011ST

LCG3611ST

LCG3011BD

LCG3611BD

CAUTION

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

P/NO : MFL62725603

July, 2011

Printed in Korea

Internal Use Only

Summary of Contents for HG7522KR.ABDELGA

Page 1: ...ooktop SERVICE MANUAL MODEL LCG3011ST LCG3611ST LCG3011BD LCG3611BD CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL62725603 July 2011 Printed in Korea Internal Use Only ...

Page 2: ... THE SURFACE BURNERS 16 CHECK IGNITION OF SURFACE BURNERS 16 ADJUST THE SURFACE BURNER LOW FLAME SIMMER SETTING 17 OPERATING INSTRUCTIONS 18 19 USING THE GAS SURFACE BURNERS 18 19 CARE AND CLEANING OF THE COOKTOP 20 23 CARE AND CLEANING 20 BURNER CAPS AND HEADS 21 BURNER GRATES 22 COOKTOP SURFACE 22 STAINLESS STEEL SURFACES 23 CONTROL KNOBS 23 WIRING DIAGRAM 24 COMPONENT LOCATIONS 25 26 CONTENTS L...

Page 3: ... Pipe Assembly 33 Manifold Pipe Assembly 34 Manifold Assembly 35 Inlet Pipe Assembly 36 Center Burner Bracket 37 Side Burner Bracket Left and Right 38 CONVERSION TO LP GAS 39 41 FAILURE MODE FLOW CHART 42 43 TROUBLE SHOOTING 44 EXPLODED VIEW 45 REPLACEMENT PARTS LIST 46 49 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 4: ...the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch Do not use any phone in the building Immediately call the gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach the gas supplier call the fire department Installaton and service must be performed by a qualified instal...

Page 5: ...r fuse for ease of identification and swift action if necessary Do not repair or replace any part of the appliance All servicing should be done only by a qualified technician to avoid the risk of personal injury and damage to the appliance Never modify or alter the construction of an appliance such as removal of panels wire covers or any other permanent part of the product Storage on appliance Fla...

Page 6: ...AFETY WARNING If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard The installation and connection of the new appliance must only be carried out by qualified personnel CHILD SAFETY WARNING This appliance is not intended for use by young children or infirm persons unless they have been adequately supervised...

Page 7: ...are is large enough to contain the food properly This will both save cleaning time and prevent hazardous accumulations of food since heavy spattering or spillovers left on range can ignite Use pans with handles that can be easily grasped and remain cool NEVER let the flames extend up the sides of the cookware for safe handling of cookware Flames larger than the bottom of the cookware will not resu...

Page 8: ... turn knob to the OFF position before removing cookware SAFETY WHEN CLEANING Always switch off the appliance before cleaning For safety reasons do not clean the appliance with a steam jet or high pressure washer Clean the cooktop in accordance with the maintenance and cleaning instructions in owners manual Do not use a steel wool pad it will scratch the surface To clean the stainless steel surface...

Page 9: ...ut collection dates or public refuse disposal sites from your local health council or environmental health office CAUTION Before disposing of old appliances please make them inoperable so they cannot be a source of danger READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY SAVE THESE INSTRUCTIONS SAFETY PRECAUTIONS LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for t...

Page 10: ... LP Gas Natural LP Design STS Cooktop BK Enamel Cooktop STS Cooktop BK Enamel Cooktop Burners Left Front Left Rear Right Front Right Rear Center Natural LP BTU HR 9100 9100 9100 9100 12000 9500 5000 5000 17000 10000 Natural LP BTU HR 9100 9100 9100 9100 12000 9500 5000 5000 17000 10000 Cook top Dimensions without Grates 30 762mm x 2111 16 550mm x 41 8 104mm 36 914 4mm x 2111 16 550mm x 41 8 104mm ...

Page 11: ...tions before installing the cooktop Remove all packing material before connecting the electrical supply to the cooktop Observe all governing codes and ordinances Only certain cooktop models may be installed over certain built in electric oven models Be sure to leave these instructions with the consumer NOTE TO CONSUMER Keep this User s Guide and Installation Instructions for future reference NOTE ...

Page 12: ...wall on the left of unit A MIN clearance from cutout to side wall on the right of the unit 18 MIN height from countertop to nearest cabinet on either side of unit Recommended gas supply location From Cutout Center Line 1 Min From Backwall 3 RECOMMENDED GAS SUPPLY LOCATION FROM BACKWALL Between cutout and the wall behind the cooktop From front edge of cutout and front edge of countertop 2 COOKTOP A...

Page 13: ...e electrical outlet 12 below the countertop INSERT COOKTOP INTO CUTOUT Insert the cooktop centered into the cutout opening Be sure the front edge of the countertop is parallel to the cooktop Make final check that all required clearances are met LOCATE RETAINER BRACKETS Remove the retainer brackets from the literature package INSTALL THE RETAINER BRACKETS Install the retainer brackets to the bottom...

Page 14: ...movement of the cooktop the use of a CSA International certified flexible metal appliance connector is recommended unless local codes require a hard piped connection Never reuse an old connector when installing a new cooktop If the hard piping method is used you must carefully align the pipe the cooktop cannot be moved after the connection is made To protect gas leaks put pipe joint compound on al...

Page 15: ...detected These devices must be manually reset by the customer The National Electrical Code requires the use of Ground Fault Circuit Interrupters in kitchen receptacles installed to serve countertop surfaces Performance of the cooktop will not be affected if it is operated from a Ground Fault Circuit Interrupters protected circuit but occasional nuisance can occur CAUTION The customer should have t...

Page 16: ... proper operation of the spark module Once the air has been purged from the supply lines burner should ignite within 4 seconds After burner ignites rotate knob out of the LITE position Try each burner in succession until all burners have been checked QUALITY OF FLAMES The combustion quality of burner flames needs to be confirmed visually If burner flames look like A call for service B or C is norm...

Page 17: ... into the valve stem as shown in Fig 1 Turn the adjustment screw until the flame reaches the desired size Replace the knob Test The Flame Stability Test 1 Turn the knob from HI to LOW quickly lf the flame goes out increase the flame size and test again Test 2 With the burner on a LOW setting open and close the oven or cabinet door quickly If the flame is extinguished by the air currents created by...

Page 18: ...ner Like the other four burners it can be turned down from HI to LO for a wide range of cooking applications This burner is also designed to quickly bring large amounts of liquid to a boil It has a special SUPER BOIL setting designed to be used with cookware 10 inches or larger in diameter The middle burners are for large pots pans or for use with the griddle The extra large burner daul can be als...

Page 19: ...t as the manufacturer recommends Enamelware Under some conditions the enamel of some cookware may melt Follow cookware manufacturer s recommendations for cooking methods Glass There are two types of glass cookware those for oven use only and those for top of the range cooking saucepans coffee and teapots Glass conducts heat very slowly Heatproof Glass Ceramic Can be used for either surface or oven...

Page 20: ...ectrodes are not removable The electrode of the burner is exposed when the burner head and cap are removed When one burner is turned to LITE all the burner spark Do not attempt to disassemble or clean around any burner while another burner is on An elecctric shock may result which could cause you to knock over hot cookware CARE AND CLEANING OF THE COOKTOP Burner Grate Burner Cap Burner Head Cookto...

Page 21: ...ool To get rid of burned on food soak the burner heads in a solution of mild liquid detergent and hot water for 20 30 minutes For more stubborn stains use a toothbrush NOTES Do not use steel wool or scouring powders to clean the burners Burners will not light if the cap is removed AFTER CLEANING Before placing the burner caps and burner heads back shake out excess water and then dry them thoroughl...

Page 22: ... covered container Soak them with 1 4 cup ammonia for several hours or overnight Wash rinse well and dry Although they are durable the grates will gradually lose their shine regardless of the best care you can give them This is due to their continual exposure to high temperatures You will notice this sooner with lighter color grates NOTE Do not clean the grates in a self cleaning oven COOKTOP SURF...

Page 23: ...ter or a 50 50 solution of vinegar and water Use clean water for rinsing Do not use abrasive cleansers strong liquid cleaners plastic scouring pads or oven cleaners on the control knobs they can cause damage to the finish of the knobs Do not try to bend knobs by pulling them up or down or by hanging a towel or other such loads This can damage the gas valve shaft The control knobs may be removed fo...

Page 25: ...ide Grate Knobs Center Grate Side Grate Power Cord Electrode Spark Plug Phillps Head Screw Burner Head Burner Cap LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 26: ...ule I G Trans Inlet Pipe Assembly Phillips Head Screws Orifice Nozzle Burner Body Electrode Spark Plug LED Lamp Module Ignition Switch Valve Wire Ring LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 27: ... 5 Remove the Stainless Steel cooktop When replacing this part with new one progress reversely 27 COMPONENT REPLACEMENT WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful whe...

Page 28: ... cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the Cooktop handling the sheet metal part LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes Left Front Burner Left Re...

Page 29: ...ing it When replacing this part with new one progress reversely Electrode Spark Plug Wire Ring Connector 4 Lift the electrode assembly WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION...

Page 30: ... connectors 3 Unfasten the 2 screws When replacing this part with new one progress reversely WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the Cooktop h...

Page 31: ...ule I G Trans Connector to Power Cord LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electri...

Page 32: ... and service purposes 32 COMPONENT REPLACEMENT Manifold Buner Valve 1 4 in hex head crew 6 Remove the burner valve WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you...

Page 33: ... before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the Cooktop handling the sheet metal part Burner Valve 1 2 in Nut Pipe Tube 1 2 in Open End Wrench Left Front Burner Valve Right Rear Burner Valve Left Front Burner Body LR Burner Pipe CTR Burner Pipe LF Burner Pipe RF Burner Pipe RR ...

Page 34: ...2009 LG Electronics Inc All right reserved Only for training and service purposes WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the Cooktop handling the...

Page 35: ...progress reversely WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the Cooktop handling the sheet metal part 11 16 in Open End Wrench 11 16 in Bolt Manifo...

Page 36: ...and service purposes COMPONENT REPLACEMENT WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the Cooktop handling the sheet metal part 11 16 in Open End Wre...

Page 37: ...vicing SHUT OFF gas supply to the cooktop before sevicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the Cooktop handling the sheet metal part Side Burner Bracket Wire Holder Center Burner raket Side Burner Bracket 5 Remove the 2 wire holder LGE Int...

Page 38: ...er Bracket Left and Right 1 Remove the cooktop plate See Cooktop Plate 2 When removing the left side burner bracket remove LF and LR burner body When the right side burner bracket remove RF and RR burner body See Single Burner Body 3 Unfasten the 9 screws 4 Lift the side burner bracket For the right burner bracket remove the wire holder NOTE For LRC3091ST when servicing the this part assemble this...

Page 39: ...ner caps and burner heads B Remove the brass orifice spud in the chimney of each burner using a13 32 or 10 mm Nut driver Return the natural gas orifices to the burner body and reattach the burner body and the instruction sheet to the pressure regulator using the screw removed previously CONVERSION TO LP GAS WARNING DISCONNECT power supply before servicing SHUT OFF gas supply to the cooktop before ...

Page 40: ... into the burner base and tighten securely Make sure the screw head is against the shoulder within choke notch so it does not have any rotational movement CONVERSION TO LP GAS F F M G H A A L B C F F M G H A A L B C Self threading screw Choke 17k burner base BURNER OUTPUT RATINGS BTU HR LP or Propane Gas 10 W C P BTU RATE ORIFICE CODE LCG3611 LCG3011 LCG3611 LCG3011 LF 9100 9100 F F LR 9100 9100 F...

Page 41: ...ease the flame height and test again H After low flame setting turn off the burner I Disconnected power to appliance J Remove the cooktop plate See Cooktop Plate K Reposition center LED lamp module by hooking L Reposition cook top and secure all screws of cook top M Reposition burner heads burner caps grates and knobs N Connect power to appliance 4 CONVERSION STICKER Upon completion of conversion ...

Page 42: ...o No No Yes Yes Yes Yes Yes Check the gas supply Ignite flames on the burner Check the connection of the power cord Connect the power cord to power supply Check the power cord wire L1 N G WARNING Disconnect the power supply Before checking the power cord Normal Is it prperly connected Check the connection of the connectors 1 1 Replace the power cord 1 Connect the connectors 1 4 3 2 No END Is it pr...

Page 43: ... Check the burner parts that are properly in place Is it properly supplied No Yes Yes Normal Supply the gas to the unit 3 3 4 Check the ignition switch assembly Turn the knob to LITE Position Then check the resistance of 5 switch shown as belew Normal 0 Ω A switch is closed Replace the ignition switch assembly Replace the ignitnion module I G Trans 2 No 1 ...

Page 44: ...es should look like B or C depending on the type of gas you use With LP gas some yellow tipping on outer cones is normal If cooktop is connected to LP gas contact the person who installed your range or made the conversion To turn from OFF position push the knob down and then turn Make sure electrical plug is plugged into a live properly grounded outlet Remove the burners and clean them Check the e...

Page 45: ...46 G008 G112 G026 G021 G020 G012 G039 G039 G017 G015 G072 G018 G019 G035 G002 G118 G119 G045 G012 G040 G007 G040 G007 G105 G023 G038 G106 G116 G117 G107 LNG LPG LNG LPG LNG LPG G108 G016 G070 G063 G058 G058 G054 LNG LPG LNG LPG G022 G034 G122 G120 G121 G124 G125 G066 G067 G065 G123 MODEL Customer Model Product Code SVC Model ...

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