LG Cooktop LCE30845 User's Manual
Contents
1. 9 INSTALLATION INSTRUCTIONS 10 16 INDUCTION 17 19 20 DESCRIPTION OF THE FEATURE 5 52 21 22 THE KEY FEATURES OF HOB APPLIANCE 29 OPERATING INSTRUCTIONS 2 23 28 ELECTRIC CIRCUIT DRAWING 29 DISASSEMBLY THE COOKTOP 30 42 taba 43 45 EXPLODED VIEW rssi 46 47 48 Copyright 2007 LG Electronics Inc All right reserved 8 LGE Internal Use Only Only for training and service purposes SPECIFICATIONS INDUCTION LEFT FRONT 1800W 2400W Boost RIGHT FRONT 1400W 1800W Boost LEFT REAR 1800W 2400W Boost RIGHT REAR 2400W 3300W Boost Cooling Fan motor 12 V DC 5 5W X 2EA Control GLASS TOUCH CONTROL2. CANCELING THE TIMER cancel the timer touch the TIMER and K pads at the same time OR Touch and hold the or until iff appears in the display The timer display will turn off LGE Internal Use Only D7 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes OPERATING INSTRUCTIONS USING CHILD LOCK You can lock the entire cooktop at any time when it is not in use Locking the cooktop will prevent Cooking Zones from being turned on accidentally SETTING CHILD LOCK The cooktop 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 meee 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 seconds The indicator light above the pad will go off and the cooktop can now be used normally OTHER FUNCTIONS POWER SHARING Your cooktop is equipped with four induction Cooking Zones within two heating sections The right and left Cooking Zones are powered by two independent induction inverters one inverter for each of the two heating sections Two Cooking Zones in a heating section share the power of one inverter This is called power sharing For example if you are cooking on b
3. Never modify or alter the construction of an appliance such as removal of panels wire covers or any other permanent part of the product e Storage on appliance Flammable materials should not be stored near or on the cooking surface This includes paper plastic and cloth items such as cookbooks plasticware and towels as well as flammable liquids Do not store explosives such as aerosol cans on or near the appliance Flammable materials may explode and result in fire property damage Do not leave children alone Children should not be left alone or unattended in the area where an appliance is in use They should never be allowed to sit or stand on any part of the appliance Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance A CAUTION Items of interest to children should not be stored in cabinets above a cooktop or on the backsplash of a cooktop children climbing on the cooktop to reach items could be seriously injured AN WARNING Never use your appliance for warming or heating a room LGE Internal Use Only 3 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes SAFETY PRECAUTIONS XS WARNING Persons with a pacemaker or similar medical device should exercise caution using or standing near an induction unit while it is in operation as the electromagnetic field may affect the working of the pacemaker or similar
4. Use the or pads for the active Cooking Zone to adjust the power level fi from E to and Boost The display in the Cooking Zone control will show the power level 12122 Hot Surface Indicator After use an J will appear the Cooking Zone power level display until the cooking surface has cooled down Copyright 2007 LG Electronics Inc All right reserved 20 LGE Internal Use Only Only for training and service purposes OPERATING INSTRUCTIONS BEFORE USING THE COOKTOP Before using the cooktop for the first time clean it thoroughly with the included cleaner or ceramic cooktop cleaner according to the Care and Cleaning instructions in this guide This will remove any help protect the ceramic surface and make future cleanup easier JN CAUTION Never use scrub pads or abrasive cleaners They can cause permanent damage to the cooktop surface SETTING THE CONTROLS To operate the touch control pads touch the pad firmly with the flat part of your fingertip FIRST OPERATION The first time that power is supplied to the cooktop will flash in the display for each cooking zone for 60 seconds or until the POWER pad is touched for approximately 2 seconds oX o NOTE will also flash when power is restored after a power outage ACTIVATING THE COOKTOP To turn on the cooktop touch the POWER pad for approximately 2 seconds The indicator above the pad will light NOTE After turning on the cooktop
5. CAPACITANCE METHOD Cook top Dimensions 301346 783 mm W 236 56 mm x 2112 546 mm D Countertop Cutout Dimensions Min 2938 746 mm W x 2014 515 mm D 29 749 mm W x 20 518 mm D Shipping Weight About 52 31b 23 7kg The rated power consumption may vary according to pan size and type LGE Internal Use Only 9 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes INSTALLATION INSTRUCTIONS INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER IMPORTANT SAVE THESE INSTRUCTIONS FOR LOCAL ELECTRICAL INSPECTOR S USE READ AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE BEFORE YOU BEGIN Read these instructions completely and carefully NOTES TO INSTALLER Read all instructions contained in these installation instructions 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 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 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
6. H Induction heating is not working The Suitable pot or pan Change IH Module refer page 10 11 Change pot or pan E1 display Check the undesired thing is on the Control key part Check too long time more than 9 Seconds Continually Sensored one key F1 FA display Change the IH Module or Key PCB Message Case Check F1 Front Left Top thermistor 04 Front Module F2 Inverter Heat sink thermistor 02 Front Module F3 Front Left No feedback 01 Front Module F4 Front Right Top thermistor CNO3 Front Module F5 Front Right No feedback 01 Front Module F6 Real Left Top thermistor 04 Rear Module F7 Rear Inverter Heat sink thermistor CNO02 Rear Module F8 Rear Left No feedback 01 Rear Module 9 Rear Right Top thermistor CNO3 Rear Module FA Rear Right No feedback 01 Rear Module Copyright 2007 LG Electronics Inc All right reserved 44 LGE Internal Use Only Only for training and service purposes TROUBLE SHOOTING Te prcedure of main funtion Flashing H It s normal alarm message for initially Power up or after Power outage For Releasing E1 display just press On Off Key one time and then operate the desired Key does not work Check the pot or pan size refer to the cooking zone properly in Induction Check the Installation state especially 5 mm Gap of Fig 5 Improper working Check unwanted thing is on the control part of control
7. for connection to larger gauge household wiring The insulation of the leads is rated at temperatures much higher than the temperature rating of household wiring The current carrying capacity of the conductor wire is governed by the temperature rating of the insulation around the wire rather than the wire gauge alone WARNING DO NOT ground to a gas supply pipe DO connect to electrical power supply until appliance is permanently grounded Connect the ground wire before turning on the power AN WARNING This appliance is equipped with a copper conductor flexible cable If connection is made to aluminum house wiring use only special connectors which are approved for joining copper and aluminum wires in accordance with the National Electrical 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 3 WIRE GROUNDED JUNCTION BOX Cable from power supply At the circuit breaker box fuse box or junction White wire box connect appliance and power supply cable rans wires as shown wires WARNING You not ground the cooktop through the neutral white wire if cooktop is used in a new br
8. medical device It would be advisable to consult your doctor or the pacemaker or similar medical device manufacturer about your particular situation CAUTION DO NOT touch Cooking Zones or areas near these surfaces Cooking Zones may be hot from residual heat even though they are dark in color Areas near the Cooking Zones may become hot enough to cause burns During and after use do not touch or let clothing or other flammable materials touch these areas until they have had sufficient time to cool SAFETY PRECAUTIONS cont Wear proper apparel Loose fitting or hanging garments should never be worn while using the appliance Do not let clothing or other flammable materials contact hot surfaces Do not use water or flour on grease fires Smother the fire with pan lid or use baking soda a dry chemical or foam type extinguisher When heating fat or grease watch it closely Fat or grease may catch fire if allowed to become too hot Use only dry pot holders Moist or damp pot holders on hot surfaces may result in burns from steam Do not let the pot holders touch hot surface units Do not use a towel or other bulky cloth instead of a pot holder Do not heat unopened food containers Buildup of pressure may cause the container to burst and result in injury ELECTRICAL SAFETY WARNING If the surface is cracked switch off the appliance to avoid the possibility of electric shock Do not reuse your COOKTOP unt
9. All right reserved Only for training and service purposes INDUCTION e Place a pot filled with a little water 1 8 1 4 on the Cooking Zone Set the Cooking Zone to full power power level 9 CAUTION base of suitable kitchenware heats up within w few seconds Water should boil rapidly e You can also check cookware suitability with a magnet If the magnet remains fixed to the base of the pan the pan is suitable for induction ty cooking U SELECTING COOKWARE continued AVOIDING SCRATCHES It is recommended to always use heavier gauge stainless steel cookware on your induction cooktop surface This will help reduce the possibility of developing scratches on the ceramic surface Low quality cookware can scratch the cooktop surface Cookware should always be lifted over the ceramic cooktop surface to prevent scratching Sliding any type of cookware over the ceramic cooktop can affect the overall appearance of the cooktop Over time sliding ANY type of cookware over the ceramic cooktop may alter the overall appearance of the cooktop Eventually the buildup of scratches can make cleaning the surface difficult and degrade the overall appearance of the cooktop Scratches can also result from grains of sand e g after washing vegetables which are dragged with the pot across the cooking surface USE FLAT BOTTOMED COOKWARE Cookware must fully contact the surface of the cooking element Use flat bottomed pans
10. and visually inspect the cooktop for any damage or missing components Be sure the bottle of cleaner and conditioner packed in the literature bag is left where the user can find it easily It is important that the ceramic glass cooktop be pretreated before use See CARE AND CLEANING Copyright 2007 LG Electronics Inc All right reserved Oke LGE Internal Use Only Only for training and service purposes INSTALLATION INSTRUCTIONS PREPARING THE INSTALLATION LOCATION IMPORTANT INSTALLATION INFORMATION All electric cooktops run off a single phase three wire or four wire cable 240 208 volt 60 hertz AC only electrical supply with ground Minimum distance between cooktop and overhead cabinetry is 30 76 2 cm A J Do not obstruct these areas 76 2 cm L CM k k take re Eresh air exnaus B A y 27 gt C E H gt x A L gt K lt 7 y G x gt F 4 X 8 10 2 cm x 20 3 cm opening to route armored cable if panel is present F G J K Unit A B C D E H L M Min Max Min Max Min Min Inch 3013 16 211 2 23 16 2813 16 195 8 293 8 291 2 201 4 203 8 13 16 15 16 24 830 43 16 11 2 24 mm 783 546 56 732 2 498 746 749 515 518 20 33 610 762 106 38 610 All dimensions are stated in inches and millimeters mm Allow 2 5 cm space below the armored cable opening to clear the electric cable and allow space for inst
11. need them for warranty registration A CAUTION Do not touch cooktop glass or Cooking Zones They may be hot enough to cause burns Copyright 2007 LG Electronics Inc All right reserved 16 LGE Internal Use Only Only for training and service purposes INDUCTION INDUCTION COOKING HOW INDUCTION COOKING WORKS An induction coil is beneath the ceramic glass cooking surface This generates magnetic fields which act directly on the base of the pots and pans as compared to methods that first heat the ceramic glass This means that the base of the pan is immediately heated up saving time 50 and energy Since the heat required for cooking is generated directly in the base of the pan the Cooking Zone itself warms up only slightly The cooktop becomes hot from the heat from the base of the pan NOTE If there is no pot or pan on the cooking zone there is no energy transfer heating up This prevents the Cooking Zones being switched on and becoming hot accidentally IMPORTANT Remove all tape and packaging wrap before using the appliance Destroy the carton and plastic bags after unpacking the appliance Never allow children to play with packaging materials e Electromagnetic fields can affect electronic circuits and interfere with portable radios and phones Do not put magnetically active objects e g credit cards computer diskettes cassettes on near the ceramic glass surface while one or more induct
12. purposes DESCRIPTION OF FEATURE PARTS AND FEATURES OF YOUR COOKTOP Throughout this manual features and appearance may vary from your model 2400W Normal 3300W Boost 1400W Normal 1800W Normal 1800W Boost 2400W Boost N WARM POWER 2 a Electronic touch controls Ceramic Cooktop LG s new induction cooktop features a ceramic cooktop surface that remains cooler than conventional ceramic cooktops regardless of whether it is ON or OFF CAUTION Burn Hazard The Cooking Zones may appear cool when turned ON after they have been turned OFF The ceramic surface may be HOT from residual heat transferred from cookware Magnetic Detector The coil sensor automatically detects suitable cookware and prevents accidental activation Pan Size Detection The pan recognition sensor automatically detects and adapts the Cooking Zones to the pan size being used Improved Efficiency Induction cooking heats faster while using less energy Induction cooking brings liquids to a boil quickly yet allows even steady simmering Induction Cooking Zones Induction Cooking Zones under the ceramic cooktop heat the base of the pan immediately without heating the ceramic glass cooktop first The two medium sized zones can be used together for larger oblong pans Touch Controls Easy to use touch controls provide precise operation Easy Cleaning ceramic glass cooking surface and touch control make for easy clean
13. right reserved 6 LGE Internal Use Only Only for training and service purposes SAFETY PRECAUTIONS Do not use harsh abrasive cleaners or rough metal scrapers to clean the cooktop glass since they can scratch the surface which may result in shattering of the glass COOK MEAT AND POULTRY THOROUGHLY Cook meat and poultry thoroughly meat to at least an INTERNAL temperature of 160 F and poultry to at least an INTERNAL temperature of 180 F Cooking to these temperatures usually protects against foodborne illness HOW TO AVOID DAMAGE TO THE APPLIANCE Prior to using your cooktop for the first time apply the recommended cooktop cleaning creme to the ceramic surface Buff with a non abrasive cloth or pad This will make cleaning easier when soiled from cooking The special cooktop cleaning cream leaves a protective finish on the glass to help prevent scratches and abrasions Do not use the cooktop as a work surface or storage space Please be careful at the edges when moving pots and pans around Do not have the cooking zones on with empty pans or with no pots or pans on them Ceramic glass is very tough and impervious to sharp temperature changes but is not unbreakable It can be damaged if particularly hard or sharp objects fall onto it Be very cautious if using pots made of cast iron or other pots with rough edges or burrs Moving these can cause scratches on glass e f sugar or a mixture containing sugar fall
14. sized to fit the cooking element and amount of food being prepared Check for flatness by rotating a ruler across the bottom of the cookware FOR BEST RESULTS Always follow the recommendations for proper cookware type and size In addition 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 e 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 is not covered by your warranty e Match the pan size and Cooking Zone to the amount of food being prepared TIPS FOR SAVING ENERGY e Always position pots and pans before you switch on the Cooking Zone Dirty cooking zones and cookware use more electricity x x 7 Whenever possible always have the lid firmly placed on the pots and pans so that they are completely covered Copyright 2007 LG Electronics Inc All right reserved 18 LGE Internal Use Only Only for training and service purposes INDUCTION SELECTING COOKWARE SELECTING THE PROPER PAN SIZE e There are 4 Cooking Zones on the induction cooktop Each element requires a minimum pan size to be used effectively The inner ring of each cooking zone is a guide to correctly ma
15. with the POWER pad you must select one of the Cooking Zones within 20 seconds using the Cooking Zone ON OFF pad s If no selection is made the cooktop will turn off for safety reasons SELECTING THE COOKING ZONE To select the desired Cooking Zone press the ON OFF pad The display for the selected Cooking Zone will show fj and and an indicator will light to indicate that the Cooking Zone is on but no power level is set NOTE Once the Cooking Zone has been selected with the ON OFF pad the power level must be selected within 5 seconds with the or pad Otherwise the Cooking Zone will turn off for safety reasons LGE Internal Use Only 23 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes OPERATING INSTRUCTIONS SETTING THE CONTROLS SETTING THE POWER LEVEL The power level for the selected Cooking Zone can be set from W to Boost To adjust the power level Touch the or pad for the selected Cooking Zone Touching will set the power level to Touching will set the power level to Touch the of the selected Cooking Zone to increase or decrease the power level If power level selected the Cooking Zone will turn off after 5 seconds For faster power level adjustments touch and hold the pads until the desired setting is reached NOTE Normal power settings range in 1 2 step increments for power levels fro
16. LGE Internal Use Only 45 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes EV EXPLODED VIEW 1 MODEL LCE30845 Copyright 2007 LG Electronics Inc All right reserved 46 Internal Use Only Only for training and service purposes EV EXPLODED VIEW II 9 gt g KON Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 47 LGE Internal Use Only LG Electronics Inc
17. UTIONS IMPORTANT SAFETY NOTICE The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances known to the state to cause birth defects or other reproductive harm and requires businesses to warn customers of potential exposure to such substances SAFETY PRECAUTIONS Proper Installation Be sure your appliance is properly installed and grounded by a qualified technician in accordance with the National Electrical Code ANSI NFPA No 70 latest edition in the United States and all local code requirements Install only per installation instructions Do not attempt to repair or replace any part of your cooktop unless it is specifically recommended in this manual All other service should be referred to a qualified technician Remove all tape and packaging wrap before using the appliance Destroy the carton and plastic bags after unpacking the appliance Never allow children to play with packaging material The safety aspects of this appliance comply with accepted technical standards Know how to disconnect the electrical power to the appliance at the circuit breaker or fuse box in case of an emergency Mark the breaker or 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
18. Zone using the Bridge function This allows you to cook with larger oblong pans NOTE When using the supplied bridge pan it is important to rub it with oil to prevent burning and sticking ACTIVATING THE BRIDGE COOKING ZONE Touch the BRIDGE pad The indicator above the pad will light Touch the for either left Cooking Zone to adjust the power level for both Cooking Zones NOTE e Use the supplied bridge pan ONLY on the bridge cooking zone To purchase a replacement or additional bridge pans call 1 800 243 0000 and choose the appropriate prompt from the menu Or visit our Web site at http us lgservice com USING THE TIMER The timer feature may be helpful if a recipe calls for cooking for a set time The timer can be set from 1 to 99 minutes Once set the digital display between the timer or pads will begin to count down the remaining time in minutes NOTE The timer function is a minute timer only It does NOT turn the cooktop ON or OFF SETTING THE TIMER Touch the pads under the word TIMER Each touch will increase or decrease the time by one minute from 1 to 99 minutes You may also touch and hold or scroll up or down The timer display will flash Once the desired time is set the display will stop flashing and the timer will start counting down after no pad has been touched for 5 seconds Once the timer reaches a long beep will sound to indicate the time is up
19. al 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 sheathed cable The flexible armored cable extending from this appliance should be connected directly to the grounded junction box The junction box should be located as shown on page 22 with as much slack as possible remaining in the cable between the box and the appliance so it can be moved if servicing is ever necessary A suitable strain relief must be provided to attach the flexible armored cable to the junction box WARNING An extension cord must not be used with this appliance Such use may result in a fire electrical shock or other personal injury ELECTRICAL CONNECTIONS ELECTRICAL CONNECTION Connect the flexible armored cable that extends from the surface unit to the junction box using a suitable strain relief at the point the armored cable enters the junction box Then make the electrical connection as follows LGE Internal Use Only 13 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes INSTALLATION INSTRUCTIONS Electrical ground is required on this appliance This appliance is manufactured with a supply wire and a frame connected green or bare copper grounding wire NOTE TO ELECTRICIAN The armored cable leads supplied with the appliance are UL listed
20. allation of the junction box on the wall at the back of the cooktop LGE Internal Use Only s11 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes INSTALLATION INSTRUCTIONS DIMENSIONS AND CLEARANCES Overhead cabinet should not exceed a maximum depth of 13 33 cm A 30 76 2 cm min clearance Min recommended between the top of the distance between rear cooktop and the bottom of edge of cutout and an unprotected wood or nearest combustible metal cabinet surface L J 18 45 7 4 24 61 when bottom of wood or metal cabinet is protected by not less than 1 8 flame retardant millboard covered with no less than No 28 MGS sheet steel 0 015 0 4 mm stainless steel 0 024 0 6 mm aluminum or 0 020 0 5 mm copper H Min from edge of cooktop to nearest 12 combustible wall 30 5 cm either side of unit Empty space is needed underneath the cooktop for installation purposes Approximate location of junction box 71 2 191mm 11 2 38mm CAUTION To eliminate the risk of burns or fire by reaching over heated surfaces cabinet storage space located above the cooktop should be avoided If cabinet storage is provided risk can be reduced by installing a range hood that projects horizontally a minimum of 5 12 7 cm beyond the face of the cabinets Copyright 2007 LG Electronics Inc All right re
21. anch circuit installation 1996 NEC mobile home recreational vehicle or where local codes do not permit Green wire ground eS grounding to the neutral white Cable from cooktop wire When grounding to the neutral white wire is prohibited you must use a 4 wire power supply cable Failure to heed this warning may result in electrocution or other serious personal injury Copyright 2007 LG Electronics Inc All right reserved T4 LGE Internal Use Only Only for training and service purposes INSTALLATION INSTRUCTIONS ELECTRICAL CONNECTIONS cont IF COOKTOP IS USED IN A NEW BRANCH CIRCUIT INSTALLATION 1996 NEC MOBILE HOME RECREATIONAL VEHICLE OR WHERE LOCAL CODES DO NOT PERMIT GROUNDING TO THE NEUTRAL WHITE WIRE Observe all governing codes and local 4 WIRE GROUNDED JUNCTION BOX ordinances Disconnect the power supply Se At the circuit breaker box fuse box or junction box connect appliance and power supply cable wires as shown Black wires N WARNING If connecting to 4 wire power supply cable electrical system the appliance frame connected ground wire MUST NOT be connected to the neutral wire of the 4 wire deed coni electrical system connector lt Junction box Cable from cooktop COOKTOP INSTALLATION Visually inspect the cooktop for damage Make sure all cooktop screws are tight see below for locations N 4 J Screws Carefully low
22. by anyone other than Authorized Service Technicians AN WARNING For your safety the information in this manual must be followed to minimize the risk of fire electric shock or to prevent property damage personal injury or death IMPORTANT NOTICE RADIO INTERFERENCE This unit has been tested and found to comply with the limits for a class B digital device pursuant to Part 18 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This unit generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this unit does cause harmful interference to radio or television reception which can be determined by turning the unit off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the radio and or television receiving antennae Increase the distance between the cooktop unit and radio or television receiver Connect the cooktop unit into an outlet or a circuit different from that to which the radio or television receiver is connected Copyright 2007 LG Electronics Inc All right reserved aD LGE Internal Use Only Only for training and service purposes SAFETY PRECA
23. dustrial purposes Do not use the cooktop to heat the room Take care when plugging in electric appliances near the cooktop Cords must not come into contact with the hot surface This could cause damage to the cooktop and cable insulation Overheated fats and oils catch fire quickly You should supervise cooking when preparing foods in fat or oil Switch off the Cooking Zones after use Always keep the control panels clean and dry Do not let liquids or grease remain on the cooktop controls area Spilled or burnt on foods can activate or deactivate the appliance Clean the controls area thoroughly to resume normal operation of the appliance Never place combustible items on the cooktop Never keep any combustible items or aerosol cans in a drawer located under the cooktop Avoid placing metal cooking utensils on the cooking surface areas Metal objects become hot and cause burns Know which touch keypad controls each surface of the cooking zones Clean the appliance regularly to keep all parts free of grease that could catch fire Exhaust fan ventilation hoods and 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 size This appliance is equipped with one or more Cooking Zones of different sizes Select utensils having flat bottoms large enough
24. e 2 Loose earth wire of left and right side 3 Loose the four screws fixed to 4 Lift the front side of burner assembly and take out IH module assembly 5 Both left and right IH module assembly can be disassembled with the same way LGE Internal Use Only 4224 2 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes DISASSEMBLY Power harness assembly 1 Loose the two screws in terminal block 2 Take out the harness assembly Copyright 2007 LG Electronics Inc All right reserved 34 LGE Internal Use Only Only for training and service purposes DISASSEMBLY Terminal block and power cord assembly 1 Loose the two screws on the bottom plate 2 Loose the earth screw on the bottom plate 3 Loose the ring of conduit bracket with a hand to remove the power cord assembly LGE Internal Use Only 35 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes DISASSEMBLY Burner assembly left 1 Cut out the staple with nipper 2 After pull over the temp sensor enough remove the sensor holder with care 3 Take out the black insulator 4 Loose the three screws around working coil base Copyright 2007 LG Electronics Inc All right reserved 36 LGE Internal Use Only Only for training and service purposes DISASSEMBLY Burner assembly right 1 Cut out the staple with nipper 2 After pull o
25. er the cooktop into the counter top Nylon spacers 5 cutout making sure not to trap any wires NOTE Do not use caulking compound The cooktop must be removable should service be required WARNING Do not remove the nylon spacers on the edges of the cooktop These spacers center the cooktop in the space provided The cooktop must be centered to allow proper venting and to prevent excess heat buildup that may result in heat damage or fire LGE Internal Use Only 15 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes INSTALLATION INSTRUCTIONS Install the retainer brackets to the bottom of the cooktop then snug the bolts against the bottom of the countertop as shown Preferred installation Retainer brackets NOTE The retainer brackets MUST be installed to meet local codes or in their absence with the National Electrical Code ANSI NFPA No 70 latest edition Alternative installation Retainer brackets Cooktop Countertop 4 4 lt Retainer brackets FINAL CHECK Perform a final operational check of the cooktop making sure the cooktop powers 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
26. he cooktop balanced surface LGE Internal Use Only 19 lay Correct the problem before attempting to INCORRECT Cookware not Curved or warped Pan does not meet centered on Cooking pan bottoms or the minimum size Zone surface sides required for the Cooking Zone used Pan bottom rests on Heavy handle cooktop trim or does tilts pan not rest completely on the cooktop surface Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes CLEANING AND CARE CLEANING THE COOKTOP General cleaning for induction ceramic glass cooking surfaces is considerably easier than for cooking surfaces with radiant heating NOTE To prevent accidental activation of the controls it is recommended that you set the CHILD LOCK feature before cleaning IMPORTANT Cleaning agents must not come in contact with the hot ceramic glass surface All cleaning agents must be rinsed off thoroughly with clean water Do not use any aggressive cleaners such as grill oven sprays coarse scouring cleansers or abrasive pan cleaners Clean the ceramic glass surface after each use when it is warm to the touch or cold This will prevent spills from becoming burnt on Remove water marks grease and discoloration with a glass scraper and ceramic glass cleaner NOTE You can obtain glass scrapers and ceramic glass cleaners from your local hardware store GENERAL CLEANING When it is c
27. ht reserved Only for training and service purposes DISASSEMBLY Unit must be disconnected from electrical outlet when making repairs Re Placements adjustments and continuity cheeks wait at least one minute until the high voltage capacitor has fully discharged Ceramic Glass Part Disassembly 1 Disconnect the power cord from the main source line 2 Take the hob out from the structure 3 Unfasten 10 screws from the side section 4 Remove the ceramic glass part please carefully treat 2 hooks front and back side The hook should be inserted initially when the HOB is assembled Copyright 2007 LG Electronics Inc All right reserved 30 Internal Use Only Only for training and service purposes DISASSEMBLY Burner assembly 1 Disconnect Top temp sensor 2 Loose coil assembly 3 Lift the front side of burner assembly and pull out burner assembly 4 Both left and right burner assembly can be disassembled with the same way LGE Internal Use Only 294 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes DISASSEMBLY Controller assembly 1 Disconnect the three of the connects 2 Loose earth wire of left and right side Copyright 2007 LG Electronics Inc All right reserved 20 s LGE Internal Use Only Only for training and service purposes DISASSEMBLY module assembly 1 Disconnect power harness with long nos
28. il 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 f 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 Flush mounted appliances may only be operated following installation in suitable cabinets and workplaces which conform to the relevant standards This ensures sufficient protection against electric shock as required by certification agencies f your appliance malfunctions or fractures switch off all cooking zones and contact Service Center Copyright 2007 LG Electronics Inc All right reserved Ae LGE Internal Use Only Only for training and service purposes SAFETY PRECAUTIONS CHILD SAFETY A WARNING This appliance is not intended for use by young children or infirm persons unless they have been adequately supervised by a responsible person to ensure that they can use the appliance safely Young children should be supervised to ensure that they do not play with the appliance e Accessible parts may become hot during use Young children should be kept away SAFETY DURING USE This appliance may only be used for normal cooking and frying in the home It is not designed for commercial or in
29. ion cooking zones are in use Do not put any metallic objects e g spoons lids on the Cooking Zones as they can become hot when the Cooking Zones are in use SELECTING COOKWARE The magnetic Cooking Zone sensors located below the cooktop surface require the use of cookware made with magnetic material in order to start the heating process on any of the Cooking Zones When purchasing pans look for cookware specifically labeled by the manufacturer for use with induction cooktops POTS AND PANS In principle all pots and pans with magnetic bases are suitable These include steel steel enamel as well as cast iron pots and pans High grade steel pans with a mixed metal base Sandwich base e g Tefal with an aluminum copper base are suitable for induction only if the manufacturer has expressly marked them as such In that case they have a magnetic material in the base 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 NOTE Some cookware can produce noises when used on induction cooking zones This is not a fault in the cooktop and its function will not be impaired in any way as a result SUITABILITY TEST If you are not sure if a pot or pan is suitable for use with your induction cooktop you can find out with a few simple tests LGE Internal Use Only 7 Copyright 2007 LG Electronics Inc
30. m 2 to 6 to allow precision cooking A dot will appear next to the number to indicate a 1 2 power level step If the Cooking Zone K or pads are held for more 10 seconds the timer display will show the error message To clear this error message press the ON OFF pad for the Cooking Zone you were setting This message does NOT relate to the timer pad To turn off the cooking zone Once cooking is complete touch the ON OFF pad to turn the cooking zone OFF The corresponding cooking zone display will turn off If the POWER pad is touched instead of ON OFF the entire cooktop will turn off NOTE f the cookware or pan is moved from the center of any active Cooking Zone for any reason sensor will detect this and the Cooking Zone will no longer heat The display for that Cooking Zone will flash the last power level setting for the Cooking Zone e The Cooking Zone will remember the power level setting for up to 90 seconds before the Cooking Zone will automatically shut off N WARNING Your cooktop has a residual heat indicator J for each Cooking Zone This indicator will warn that this area has been used and is still giving off enough heat to cause burns Avoid touching the burner when this indicator is shown Although the cooktop is OFF the pJ will stay lit until the cooktop has cooled down Copyright 2007 LG Electronics Inc All right reserved OA LGE Internal Use Only Only for training and service
31. ne Website http biz lgservice com LG Ceramic Glass Induction Cooktop MODEL LCE30845 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL September 2007 P NO MFL41578001 Printed in Korea SAFETY PRECAUTIONS FORWARD This LG Service Manual 30 Ceramic Glass Induction Cooktop provides the technician with information on the operation and service of the Ceramic Glass Induction Cooktop It is to be used as a training Service Manual For specific information on the model being serviced refer to the Owner s Manual or Tech Sheet provided with the Induction Cooktop SAFETY PRECAUTIONS Repairs of the appliance should be carried out by a licensed technician only Incorrect repairs may result in dangerous situations If you need repairs contact an LG Service Center or your dealer e f the power cord is defective it must be replaced by a qualified service agent with a UL listed range cord e Electrical leads and cables should not be allowed to touch the cooktop e 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 JN WARNING To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical shock When the cooktop operates the ceramic glass LG Electronics assumes no responsibility for any repairs made on our products
32. ool wipe the ceramic glass surface with a damp cloth and a small amount of ceramic glass cleaner Wipe dry with a clean cloth Once a week thoroughly clean the entire ceramic glass cooking surface with a commercially available ceramic glass cleaner Then wipe the ceramic glass surface using a clean soft cloth dampened with clean water and polish dry with a clean lint free cloth REMOVING HEAVY SOIL To remove food that has boiled over or stubborn spills use a glass scraper Hold the glass scraper at an angle of about 45 to the ceramic glass surface Remove soiling by sliding the blade across the area Use ceramic glass cleaner as described in GENERAL CLEANING PROBLEM SOILS Remove sugar melted plastic aluminum foil or other meltable materials with a glass scraper immediately and while still hot Failure to do so can cause permanent damage to the cooktop surface If the Cooking Zone has already cooled down warm it up again IMPORTANT There is a risk of burning yourself when the glass scraper is used on a hot Cooking Zone Use care and wear an oven mitt Then clean the cooktop normally when it has cooled down NOTE Scratches or dark marks on the ceramic glass surface caused by a pan base with sharp edges cannot be removed However they do not impair the function of the cooktop Copyright 2007 LG Electronics Inc All right reserved 20 LGE Internal Use Only Only for training and service
33. ors as well Copyright 2007 LG Electronics Inc All right reserved 40 LGE Internal Use Only Only for training and service purposes DISASSEMBLY module assembly Induction board 2 4 Loose the four screws that fix the PCB to base LGE Internal Use Only A Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes DISASSEMBLY module assembly filter board 1 Loose the three screws that fix the PCB to base module assembly fan 1 Unhook the fan wire 2 Loose the two screws that fix the fan Copyright 2007 LG Electronics Inc All right reserved 492 Internal Use Only Only for training and service purposes TROUBLE SHOOTING SO The procedure of main functions Ceramic Glass Before check the HOB all connection should be checked Broken Clean HOB inner Change Ceramic Glass Check the sealing tape Power No Lead Wire Connection vii ale ead Operation of key wire connection Filter PCB Fuse Change Relay PCB Change Inverter PCB Change Correct the power Cord connection When the overvoltage is inputed the overvoltage protection circuit turns of the power Abnormal Normal gt Power Cord Connection 43 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TROUBLE SHOOTING Tie procedre of ain tnetions 0
34. oth right Cooking Zones the last power level set will be maintained while the first Cooking Zone may experience a slight reduction in the power level 22 ea POWER SHARING TIPS Remember to set the power level for the food item you wish to keep constant last When using two Cooking Zones you can maintain a constant power level for two pans on separate heating sections Place one pan on one of the Cooking Zones of the left heating section and the other pan on one of the Cooking Zones of the right heating section AUTOMATIC SHUTOFF lf a Cooking Zone is in constant use for more than 17 hours and the control setting is not changed the Cooking Zone will shut off automatically AUTOMATIC POWER LEVEL CONTROL The power level displayed may be different from the actual power level at the high temperature range To prevent the cooktop from overheating the power level is controlled automatically Copyright 2007 LG Electronics Inc All right reserved 28 LGE Internal Use Only Only for training and service purposes ELECTRIC CIRCUIT DRAWING HeatSink HeatSink Temp Sensor Temp Sensor EBR37154902 EBR37154901 induction board induction board EBR37186501 EBR37186501 filter board filter board RD AWG14 BK AWG14 BK BLACK 2 RED BR BROWN BL BLUE EBR37027501 key board YL YELLOW GR GREEN LGE Internal Use Only 29 Copyright 2007 LG Electronics Inc All rig
35. purposes OPERATING INSTRUCTIONS SETTING THE CONTROLS cont POWER BOOST Boost is the highest power level designed for quickly heating or boiling larger quantities Boost will operate for a maximum of 12 minutes After 12 minutes it will automatically revert to power level 9 ACTIVATING POWER BOOST Turn on the desired Cooking Zone with the ON OFF pad for that Cooking Zone Touch the pad and will be displayed Touch the pad again and fj will be displayed NOTE The power boost function will be activated for a maximum of 12 minutes At the end of the power boost cycle the Cooking Zone will automatically default to the back to the power level 8 The power boost function CANNOT be used with the front and rear Cooking Zones on the same side at the same time To deactivate the power boost function and revert to normal power levels touch the J pad NOTE To protect the internal electronic components of the cooktop the cooktop may automatically deactivate the power boost function and return to a normal power level before 12 minutes have passed This is normal NOTE The electronic processes involved with induction cooking create some unusual background noises These noises are normal and part of the induction cooking process Please note that these noises are more noticeable while cooking with power boost WARM The cooktop features a WARM setting that operates the last Cooking Zone used at the LOW power level To activa
36. rom cooking vapors does not accumulate on the hood or filter Do not clean or operate a broken cooktop If cooktop should break cleaning solutions and spillovers may penetrate the broken cooktop and create a risk of electric shock Contact a qualified technician immediately Clean cooktop with caution If a wet sponge or cloth is used to wipe spills on hot cooking area be careful to avoid a steam burn Some cleaners can produce harmful fumes if applied to a hot surface SAFETY DURING USE cont 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 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 damage is not covered by your warranty Never leave surface units unattended at high heat settings Boilover causes smoking and greasy spillovers that may ignite CAUTION DO NOT pick up the supplied bridge pan handles after cooking They might be hot and there is a risk of burning yourself 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 cleaner Clean the cooktop in accordance with the maintenance and cleaning instructions in this manual Copyright 2007 LG Electronics Inc All
37. s onto a hot cooking zone and melts remove immediately while still hot If left to cool down it may damage the surface when removed NOTE There is a risk of burning yourself when the glass scraper is used on a hot cooking zone Keep meltable objects or materials away from the ceramic glass surface for example plastic utensils aluminum foil or cooking wraps If any materials or foodstuffs melt on the ceramic glass surface these should be cleaned up immediately DISPOSAL OF OLD APPLIANCES 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 x CAUTION Before disposing of old appliances please make them inoperable so they cannot be a source of danger To do this have a qualified person disconnect the appliance from the house circuitry READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY SAVE THESE INSTRUCTIONS LGE Internal Use Only ETE Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes CONTENTS SAFETY 1 7 A ee eee eee eee eee 8 SPECIFICATIONS
38. served 2190s LGE Internal Use Only Only for training and service purposes INSTALLATION INSTRUCTIONS ELECTRICAL CONNECTIONS IMPORTANT SAFETY INSTRUCTIONS Be sure your cooktop is installed and grounded properly by a qualified installer or service technician e This cooktop must be electrically grounded in accordance with local codes or in their absence with the National Electrical Code ANSI NFPA No 70 latest edition in the United States PROVIDING THE ELECTRICAL CONNECTION Install the junction box under the cabinet and run 120 240 or 120 208 volt AC wire from the main circuit panel NOTE DO NOT connect the wire to the circuit panel at this time WARNING The electrical power to the cooktop must be shut off while line connections are being made Failure to do so could result in serious injury or death ELECTRICAL REQUIREMENTS Observe all governing codes and local ordinances A 3 wire or 4 wire single phase 120 240 or 120 208 volt 60 Hz AC only electrical supply is required on a separate circuit fused on both sides of the line time delay fuse or circuit breaker is recommended DO NOT fuse neutral The fuse size must not exceed the circuit rating of the appliance specified on the nameplate This unit can consume up to 7 400W at 240 VAC A 40 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 Nation
39. tch the minimum pan size The bottom of the pan must fully cover the inner ring for proper cooking to occur e The thicker outer ring at each Cooking Zone is helpful to determine the pan MAXIMUM size After centering the cookware on the Cooking Zone make sure the cookware does not extend more than 1 2 beyond the thicker line on the Cooking Zone The pan must make FULL contact on the glass surface without the bottom of the pan touching the metal cooktop trim COOKWARE SELECTION AND PLACEMENT Minimum pan size Minimum pan size 774 180 mm 5 125 Minimum pan size 534 145 mm Only use the supplied pan on the bridge element If a made of the correct material is centered properly on any of the active Cooking Zones but is TOO SMALL the affected Cooking Zone LED will blink and the pan will not heat It is important that the proper cookware be used and placed correctly on the cooktop ANY one of the incorrect conditions shown below may be detected by the sensors located below the ceramic cooktop surface If this happens one or more of the Cooking Zones will not heat and an F will appear in the affected Cooking Zone disp use the cooktop CORRECT Cookware centered Flat pan bottom amp Pan size meets or correctly on Cooking straight sides exceeds the Zone surface recommended minimum size for the Cooking Zone Pan rests completely Pan is properly on t
40. te Touch the WARM pad and the last Cooking Zone used will be set to the LOW setting will appear in the display To deactivate To turn off the WARM function and return to normal power levels touch the pad and will be displayed LGE Internal Use Only 25 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes OPERATING INSTRUCTIONS POWER LEVEL GUIDE Fast heating Bringing liquids to a boil Heaving browning deep Browning meats heating oil for deep fat fat frying frying sauteing maintaining a fast boil for large amounts of liquids Zo Roasting frying Frying meats chops pancakes sausages eggs Boiling general cooking Cooking larger quantities soups and stews steaming potatoes cooking meat stock or bouillon 2 3 Simmering Simmering rice or milk based dishes steaming smaller quantities of potatoes and vegetables heating ready to serve meals 1 2 1 Melting Fluffy omelettes keeping dishes warm melting butter or chocolate Off Offsetting 000000000 NOTE These settings are recommended guidelines for cooking You may need to adjust the power level for the type of food and pan Copyright 2007 LG Electronics Inc All right reserved 26 LGE Internal Use Only Only for training and service purposes OPERATING INSTRUCTIONS USING THE BRIDGE COOKING ZONES BRIDGE COOKING ZONES The two left Cooking Zones can be used together as a single Cooking
41. to cover the Cooking Zones pan detection sensors will not allow the affected cooking zones to operate without a pan present Do not place any object on or near the control keypad area in order to prevent accidental activation of the cooktop controls LGE Internal Use Only 5 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes SAFETY PRECAUTIONS Utensil handles should be turned inward and should not extend over adjacent cooking zones to reduce the risk of burns ignition of flammable materials and spillage due to unintentional contact with the utensil Never leave prepared food on the Cooking Zones Boilovers cause smoking and greasy spillovers that may ignite or a pan that has boiled dry may melt or become damaged Protective liners Do not use aluminum foil to line any part of the cooktop Only use aluminum foil as recommended after the cooking process if used as a cover to be placed over the food Any other use of aluminum foil may result in the risk of electric shock fire or short circuit Glazed cooking utensils Only certain types of glass glass ceramic ceramic earthenware or other glazed utensils are suitable for rangetop service without breaking due to the sudden change in temperature Check the manufacturer s recommendations for cooktop use Ventilating hood The ventilating hood above your cooking surface should be cleaned frequently so the grease f
42. up and eliminate crevices and gaps where grease can accumulate Control and Function Displays Digital displays show current settings and warn you of hot surfaces from any residual heat of the corresponding cooking zone Safety Shutoff All Cooking Zones feature a safety shut off that turns off the Cooking Zone if ON OFF is pressed but no power level is selected within 10 seconds LGE Internal Use Only D e Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes DESCRIPTION OF FEATURE TOUCH CONTROL FEATURES Ss lt gt CHILD LOCK DO BRIDGE Activates the two left Cooking Zones together as single large Cooking Zone For bridge operation touch this pad to activate and adjust the power level with the or pads for either left Cooking Zone TIMER When activated the time remaining is shown in the display Use the pads to adjust the timer CHILD LOCK Press and hold for seconds to activate and deactivate the child lockout function WARM This pad automatically lowers the last selected active element to the lowest setting POWER Press the POWER pad to turn the entire cooktop ON and OFF When it is ON the cooktop is in standby mode until a Cooking Zone is activated COOKING ZONE CONTROLS Each Cooking Zone features its own control and can be activated individually The ON OFF activates the desired Cooking Zone
43. ver the temp sensor enough remove the sensor holder with care 3 Take out the black insulator 4 Loose the two screws on the center of working coil 5 Push the working coil base forward and lift the front of that this working coil base is hooked onto aluminum plate LGE Internal Use Only 87 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes DISASSEMBLY Controller assembly key PCB 1 Take out the key supporter hooked as pushing and pulling with hands 2 Take out the key PCB hooked by key supporter 3 It is separate as key PCB and key supporter Copyright 2007 LG Electronics Inc All right reserved 38 LGE Internal Use Only Only for training and service purposes DISASSEMBLY Controller assembly main PCB 1 Take out the key supporter hooked as pushing and pulling with hands 2 Disconnect the three of connector 3 Cut out the hook as below This is not a problem when reassembling It can be fixed without that 4 Lift the side of PCB under the cut place as below LGE Internal Use Only 39 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes DISASSEMBLY module assembly Induction board 1 1 Loose a screw and push and lift the cover 2 Loose two screws on the side of IH module as below 3 Pick up with a long nose and get rid of two terminals Remove two connect
Download Pdf Manuals
Related Search