LG Studio LSCE365ST Service Manual Download Page 50

- 50 -

ASSEMBLY

Insulator & Supporter 

1. Slide supporter into the insulator flange.

2. Insert and tighten 9 screws.

WARNING

• DISCONNET power supply before servicing.
• 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.

insulator
flange

LGE Internal Use Only

Copyright © 2008 LG Electronics. Inc. All right reserved. 
Only for training and service purposes

Summary of Contents for Studio LSCE365ST

Page 1: ...ktop SERVICE MANUAL MODEL LSCE365ST UPCE3664ST CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL41578005 May 2010 Printed in Korea 삼 흥 정 판 Website http biz lgservice com Internal Use Only ...

Page 2: ...HECK 18 COOKWARE TIPS 19 20 SELECTING COOKWARE 19 SELECTING COOKWARE cont 20 CLEANING AND CARE 21 22 DESCRIPTION OF THE FEATURE 23 OPERATING INSTRUCTIONS 24 29 BEFORE USING THE COOKTOP 24 SETTING THE CONTROLS 24 SETTING THE CONTROLS cont 25 26 USING THE WARMING ZONE 27 USING THE BRIDGE COOKING ZONES 28 CONTENTS LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for tra...

Page 3: ...ase plate Insulator 52 53 Terminal block Powercord 54 Base plate assembly Insulator 55 Motor bracket Thermal insulator 56 Fan assembly Base plate assembly 57 Base plate assembly Main PCB assembly 58 Main PCB assembly KEY PCB assembly 59 Base plate assembly Warm element assembly 60 Base plate assembly Bridge element assembly 61 62 Base plate assembly Triple Dual element assembly 63 64 Base plate as...

Page 4: ...h the cooktop Rating plate is located on the bottom side of cooktop The power supply of the appliance should be turned off when it is being repaired WARNING To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical shock WARNING For your safety the information in this manual must be followed to minimize the risk of fire electric sho...

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: ... ELECTRICAL SAFETY WARNING If the surface is cracked switch off the appliance to avoid the possibility of electric shock Do not reuse your COOKTOP until the glass surface has been changed When using the COOKTOP never use aluminum foil products wrapped in aluminum foil or deep frozen food in aluminum cookware If the supply cord is damaged it must be replaced by the manufacturer its service agent or...

Page 7: ...grease filters should be kept clean Do not allow grease to accumulate on hood or filter Greasy deposits in the fan could catch fire Refer to hood manufacturer s instructions for cleaning Use Proper Pan Sizes This appliance is equipped with one or more surface units of different size Select utensils having flat bottoms large enough to cover the surface unit heating element The use of undersized ute...

Page 8: ...op and create a risk of electric shock Contact a qualified technician immediately Do not place hot cookware on cold cooktop glass This could cause glass to break Do not slide pans across the cooktop surface They may scratch the cooktop surface Do not let pans boil dry This may cause permanent damage in the form of breakage fusion or marking that can affect the ceramic glass cooktop This type of da...

Page 9: ...ective finish on the glass ceramic to help prevent scratches and abrasions Do NOT use the glass ceramic cooktop surface as a cutting board Please be careful at the edges when moving pots and pans Do not operate the cooking zones with empty pots or pans Do not turn on the cooking zones with no pots or pans on the element Glass ceramic is very tough and impervious to sharp temperature changes but is...

Page 10: ...S To protect the environment it is important that worn out appliances are disposed of in the correct manner The appliance must not be disposed of with household rubbish You can obtain information about 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 b...

Page 11: ...g Weight LSCE365ST UPCE3664ST 240 208 V 60 Hz 10500 W 7900 W 1800 W Bridge 3000 1400 W 1800 W 800 W Bridge 100 W Warm 3000 2200 1100 W 12 V DC 5 5 W X 1EA GLASS TOUCH CONTROL CAPACITANCE METHOD 3611 16 932 mm W x 2215 32 571 mm D x 4 101 6 mm H 349 16 878 mm W x 203 8 517 mm D About 54 43lb 24 68kg LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and ser...

Page 12: ... 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 This appliance must be properly grounded Damage caused by failure to follow these instructions is not covered by the cooktop warranty UNPACKING THE COOKTOP Unpack and visually inspect the cooktop for any damage or missi...

Page 13: ...ures up to 93 C 200 F generated by the cooktop INSTALLATION INSTRUCTIONS 30 min 762 mm Do not obstruct these areas 36 inch Radiant Cooktop 4 X 8 102 mm x 203 mm opening to route armored cable if panel is present All dimensions are stated in inches and millimeters mm Allow 2 50 mm space below the armored cable opening to clear the electric cable and allow space for installation of the junction box ...

Page 14: ...TALLATION INSTRUCTIONS Overhead cabinet should not exceed a maximum depth of 13 330 mm min recommended distance between rear edge of cutout and nearest combustible surface 36 Min 914mm 18 457mm 10 254mm 12 305mm 24 610mm min from edge of cooktop to nearest combustible wall either side of unit Empty space is needed underneath the cooktop for installation purposes Approximate location of junction bo...

Page 15: ...at 240 VAC A 50 Amp circuit breaker with wire gauge 8 AWG must be used NOTE Wire sizes and connections must conform with the fuse size and rating of the appliance in accordance with the National Electrical Code ANSI NFPA No 70 latest edition and local codes and ordinances The appliance should be connected to the fused disconnect or circuit breaker box through flexible armored or nonmetallic sheath...

Page 16: ... Code and local codes and ordinances Improper connection of aluminum house wiring to copper leads can result in a short circuit or fire Follow the connector manufacturer s recommended procedure closely WHERE LOCAL CODES PERMIT CONNECTING THE APPLIANCE GROUNDING CONDUCTOR TO THE NEUTRAL WHITE WIRE Observe all governing codes and local ordinances Disconnect the power supply At the circuit breaker bo...

Page 17: ...T be connected to the neutral wire of the 4 wire electrical system COOKTOP INSTALLATION Visually inspect the cooktop for damage Make sure all cooktop screws are tight see below for locations Carefully lower the cooktop into the counter top cutout making sure not to trap any wires NOTE Do not use caulking compound The cooktop must be removable should service be required INSTALLATION INSTRUCTIONS Ca...

Page 18: ...wers on properly and that each Cooking Zone operates correctly Refer to the Operating Instructions in this guide for details MODEL AND SERIAL NUMBER LOCATION The model and serial numbers are located on a plate on the bottom of the cooktop Please record them in this guide you will need them for warranty registration CAUTION Do not touch cooktop glass or Cooking Zones They may be hot enough to cause...

Page 19: ...s concave They should never be bowed outwards convex If you wish to use a special type of pan e g a pressure cooker simmering pan wok please follow the manufacturer s instructions and do not use a very thin pan USE FLAT BOTTOMED COOKWARE Cookware bases must fully contact the surface of the glass ceramic heating area Use flat bottomed pans of the correct size to fit the cooking area and the amount ...

Page 20: ... Do not use dirty pans with grease buildup Always use pans that are easy to clean after cooking and make sure that the bottoms of the pans are clean and dry When cooking with large amounts of liquid use large pots so that nothing can boil over Do not let pans boil dry This may cause permanent damage in the form of breakage fusion or marring that can affect the ceramic cooktop This type of damage i...

Page 21: ...the hot cooking surface BURNED ON RESIDUE To clean the glass ceramic Step 1 First remove any burnt on deposits or spilled food from your glass ceramic cooking surface with a suitable metal razor scraper similar to scraping paint off of your windowpanes in your home it will not damage the decorated cooking surface Hold the scraper at approximately a 30 angle to the cooktop NOTE Do not use a dull or...

Page 22: ...n mitt potholder while cleaning the hot cooking surface METAL MARKS AND SCRATCHES 1 Be careful not to slide pots and pans across your cooktop It will leave metal markings on the cooktop surface These marks are removable using the Ceramic Cooktop Cleaner with the Cleaning Pad for Ceramic Cooktops 2 If pots with a thin overlay of aluminum or copper are allowed to boil dry the overlay may leave black...

Page 23: ... indicator light below the HOT will illuminate when the cooking area is hot It will remain on even after the control is turned off until the area has cooled 1 3 2 23 PARTS AND FEATURES OF YOUR COOKTOP Throughout this manual features and appearance may vary from your model TOUCH CONTROL FEATURES DESCRIPTION OF FEATURE Single Cooking Zone 7 178 mm 1800 W Single Cooking Zone 7 178 mm 1800 W Bridge Co...

Page 24: ...KTOP To turn ON the cooktop touch the POWER ON OFF pad for approximately 2 seconds The indicator above the pad will light To turn OFF the cooktop touch the POWER ON OFF pad The indicator light above the pad will turn off NOTE After turning on the cooktop with the POWER ON OFF pad you must select one of the Cooking Zones within 15 seconds using the Cooking Zone ON pad s If no selection is made the ...

Page 25: ... power level is not selected after 10 seconds the Cooking Zone power level will remain the same To turn OFF the Cooking Zone After the cooking is complete touch the OFF pad to turn off the Cooking Zone The corresponding cooking zone display will turn off If the POWER ON OFF pad is selected all Cooking Zones will shut off WARNING Your cooktop has a residual heat indicator for each Cooking Zone This...

Page 26: ...ator light above WARM will turn OFF 9 7 9 6 7 4 5 3 4 2 3 1 2 Warm Setting Function Used for Fast heating Heaving browning deep fat frying Roasting frying Boiling general cooking Steaming Simmering Melting Bringing liquids to a boil Browning meats heating oil for deep fat frying sautéing maintaining a fast boil for large amounts of liquids Frying meats chops pancakes sausages eggs Cooking larger q...

Page 27: ...e for cooktop use Always use potholders when removing food from the Warming Zone as cookware and plates will be hot Never warm food for longer than one hour eggs for 30 minutes as food quality may deteriorate Do not heat cold food on the Warming Zone The quantity and type of food being held may affect the required heat setting Do not use large utensils or large amounts of food as this may cause un...

Page 28: ...If power level is not selected after 10 seconds the Cooking Zone power level will remain the same To turn off the Cooking Zone Once cooking is complete touch the Left Cooking Zone OFF pad to turn the Cooking Zone OFF The corresponding Cooking Zone display will turn off If the POWER ON OFF pad is selected all Cooking Zones will shut off USING THE TRIPLE COOKING ZONES The Triple Element located in t...

Page 29: ...p must be OFF to set the CHILD LOCK function If it is not OFF touch and hold the POWER pad for approximately 2 seconds The indicator above the POWER pad will turn OFF Touch and hold the CHILD LOCK pad for 3 seconds The indicator light above the CHILD LOCK pad will turn on to indicate that the cooktop is locked CANCELING CHILD LOCK To turn off CHILD LOCK touch and hold the CHILD LOCK pad for 3 seco...

Page 30: ... 30 ELECTRIC CIRCUIT DRAWING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes For model LSCE365ST 00 ...

Page 31: ... 31 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ELECTRIC CIRCUIT DRAWING For model LSCE365ST 01 UPCE3664ST 00 ...

Page 32: ... Cooktop handling the sheet metal part Unit must be disconnected from electrical supply when making repairs Re Placements adjustments and continuity checks Wait at least one minute until the high voltage capacitor has fully discharged Ceramic Glass Part Disassembly 1 Disconnect the power from the main source 2 Unfasten screws from retainer brackets 3 Remove the cooktop 4 Remove 19 screws Installat...

Page 33: ...ent For model LSCE365ST 00 WARNING DISCONNET power supply before servicing 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 Red Black Yellow Yellow Red Black Black Red Blue Black Red Red Pink Yellow Yellow Brown R...

Page 34: ... Lift the Bridge element DISASSEMBLY LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Yellow Black Yellow Yellow Red Blue Black Red Blue Blue Yellow Red Pink Yellow Yellow Red Red ...

Page 35: ...efore servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes Yellow Yellow Yellow Red Black Sky...

Page 36: ...ply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes Blue Black Yellow Brown Red ...

Page 37: ...NET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 38: ...y before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 39: ...B assembly WARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service ...

Page 40: ...ble Heatsink from PCB mold base remove 2 screws WARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right re...

Page 41: ...ly before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 42: ...T power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 43: ...tor from PCB WARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and servic...

Page 44: ...r Triac remove that WARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and...

Page 45: ...g 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 46: ... 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 47: ...ONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 48: ...pply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 49: ...servicing 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 Blue Red Black Black Red Brown Red Yellow Yellow Red Pink Red Black Yellow Yellow Red Black LGE Internal Use Only Copyright 2008 LG Electronics Inc All ri...

Page 50: ...ce 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 insulator flange LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 51: ... before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 52: ...er supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 53: ...re servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 54: ...ISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 55: ...l 4 screws WARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service ...

Page 56: ...ARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 57: ... 2 holes of fan cover WARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training a...

Page 58: ...y For model LSCE365ST 00 For model LSCE365ST 01 UPCE3664ST 00 WARNING DISCONNET power supply before servicing 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 2008 LG Electronics In...

Page 59: ...xist screw down 2 holes of assembly into PCB Base Mold fan cover WARNING DISCONNET power supply before servicing 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 2008 LG Electronics...

Page 60: ...les WARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and service purpose...

Page 61: ...e 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 Red Black Yellow Yellow Red Black Black Red Blue Black Red Red Pink Yellow Yellow Brown Red LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service p...

Page 62: ... Put Bridge element assembly on the supporter Yellow Black Yellow Yellow Red Blue Black Red Blue Blue Yellow Red Pink Yellow Yellow Red Red LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 63: ...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 Red Red Red Red Blue Yellow Yellow Yellow Brown Blue Black Black Yellow LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training...

Page 64: ...element In case of Dual element 2 Put Triple Dual element assembly on the supporter LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Yellow Yellow Red Yellow Sky Blue Red Yellow Brown Blue Red Black Black ...

Page 65: ...brackets Front Rear WARNING DISCONNET power supply before servicing 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 2008 LG Electronics Inc All right reserved Only for training and...

Page 66: ...tlet and with wiring harness or connectors disconnected Before testing any of components perform the following checks WARNING Disconnect power supply cord from the outlet before servicing Replace all panels and parts before operating Reconnect all grounding devices after servicing Failure to do so can result in death or electrical shock NOTE Below Ω value were tested at room temperature 77 F 25 C ...

Page 67: ...p elements 4 Touch the ohmmeter test leads to the element terminal and 1A The meter should indicate E1 E2 32 0 Ω 10 E3 E4 72 0 Ω 10 E5 E6 32 0 Ω 10 Components Test procedures Results Normal Approximately 32 Ω If not replace Normal Approximately 72 Ω If not replace Normal Approximately 32 Ω If not replace LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training a...

Page 68: ...d indicate continuity 0Ω Bridge surface units Left Front LF Left Center LM and Left Rear LR Element Components Test procedures Results Normal continuity below 0 5 Ω If not replace Normal continuity below 0 5 Ω If not replace Normal Below 150 F 65 5 C open circuit infinite Above 150 F 65 5 C continuity 0 Ω If not replace Normal Below 150 F 65 5 C open circuit infinite Above 150 F 65 5 C continuity ...

Page 69: ...h the ohmmeter test leads to limiter terminals 1B and 2B With the temperature below 150 F 65 5 C the meter should indicate an open circuit infinite With the temperature above 150 F 65 5 C the meter should indicate continuity 0Ω Components Test procedures Results Normal Approximately 72 Ω If not replace Normal Approximately 52 4 Ω If not replace Normal Approximately 52 4 Ω If not replace Normal con...

Page 70: ...o limiter terminals 1B and 2B With the temperature below 150 F 65 5 C the meter should indicate an open circuit infinite With the temperature above 150 F 65 5 C the meter should indicate continuity 0 Ω Dual surface element Right Front RF Components Test procedures Results Normal Approximately 36 Ω Normal Approximately 41 1 Ω Normal continuity below 0 5 Ω If not replace Normal Below 150 F 65 5 C op...

Page 71: ...ain PCB LOC 268711 Shield PCB LOC 268712 Key PCB LOC 268713 Holder Display LOC 249301 Indicator LOC 235201 Interface PCB LOC 268714 Holder Display LOC 249302 Indicator LOC 235202 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 72: ... AC input voltage of main PCB Between CN1 and CN2 Some beep sound No Yes Yes Replace the key PCB Replace the Main PCB 4 5V dc 5 5V dc END No 1 2 CAUTION Be sure to disconnect power before servicing Wear gloves while servicing LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 73: ...Check wire harness between L1 L2 No Normal Replace the defective harness 1 2 CAUTION Be sure to disconnect power before servicing Wear gloves while servicing LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 74: ...ck for loose connections on PCB Normal END No Yes Reconnect If defective harness replace or fix Continued on the next page CAUTION Be sure to disconnect power before servicing Wear gloves while servicing LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 75: ...ive part blown out Normal OK No No Yes Repair and fix Check and replace the cook top element or harness END Replace the Main PCB Can PCB be repaired in the field easily Yes LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes CAUTION Be sure to disconnect power before servicing Wear gloves while servicing ...

Page 76: ...back on using the Power ON OFF Check the electric resistance TH3 8 13kΩ e f 77 F 25 C Change the main pcb assembly Clean the surface Remove object from the touch pad If any one of the keys is touched for more than 10 seconds continuously this error will be displayed If water or a metal object is placed on the touchpad this error will be displayed Turn the cooktop off using the Power ON OFF Turn co...

Page 77: ...off the CHILD LOCK feature Reset the circuit breakers Check house lights to confirm power outage See the page 68 69 Make sure the correct control is ON for the Cooking Zone being used See the page 70 71 See Cooktop does not work above Check that cooktop has been installed According to the installation instructions See the page 12 18 Check the connection of fan assembly Check the power level Use th...

Page 78: ...0 3206 3205 3095 3006 2057 2402 2030 2009 2031 2005 2058 2403 6007 6032 6044 6031 3301 2071 2080 6065 3022 6065 3401 6042 6041 6050 6050 6050 6050 5508 6043 6043 6043 6000 6043 6013 2081 2023 3302 2006 W101 2050 W235 3303 EV Customer Model Product Code SVC Model MODEL ...

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