LG Cooktop LCE30845 User Manual

Ceramic Glass Induction CooktopSERVICE MANUALMODEL: LCE30845CAUTIONBEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.P/NO : MFL415

- 10 -INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER.IMPORTANT: SAVE THESE INSTRUCTIONS FOR LOCAL ELECTRICALINSPECTOR’S USE.READ

- 11 -PREPARING THE INSTALLATION LOCATIONIMPORTANT INSTALLATION INFORMATION• All electric cooktops run off a single phase, three-wire or four-wire cab

- 12 -DIMENSIONS AND CLEARANCESCAUTION: To eliminate the risk of burns or fire by reaching over heated surfaces, cabinetstorage space located above th

- 13 -ELECTRICAL CONNECTIONSIMPORTANT SAFETY INSTRUCTIONS• Be sure your cooktop is installed and grounded properly by a qualified installer or service

- 14 -Electrical ground is required on this appliance.This appliance is manufactured with a supply wire and a frame connected green or bare coppergrou

- 15 -ELECTRICAL CONNECTIONS (cont.)IF COOKTOP IS USED IN A NEW BRANCH CIRCUIT INSTALLATION (1996 NEC), MOBILEHOME, RECREATIONAL VEHICLE, OR WHERE LOC

- 16 -Install the retainer brackets to the bottom of thecooktop; then snug the bolts against the bottom of the countertop as shown.NOTE: The retainer

- 17 -INDUCTION COOKINGHOW INDUCTION COOKING WORKSAn induction coil is beneath the ceramic glass cooking surface. Thisgenerates magnetic fields, which

- 18 -• Place a pot filled with a little water (1/8 1/4 ) on the Cooking Zone. Set the Cooking Zone tofull power (power level 9).CAUTION: The pan base

- 19 -SELECTING COOKWARESELECTING THE PROPER PAN SIZE• There are 4 Cooking Zones on the inductioncooktop. Each element requires a minimum pansize to b

- 2 -FORWARDThis LG Service Manual, “30” Ceramic Glass Induction Cooktop,” provides the technicianwith information on the operation and service of the

- 20 -CLEANING THE COOKTOPGeneral cleaning for induction ceramic glass cooking surfaces is considerably easier than forcooking surfaces with radiant h

- 21 -PARTS AND FEATURES OF YOUR COOKTOPThroughout this manual, features and appearance may vary from your model.Ceramic Cooktop: LG’s new induction c

TOUCH CONTROL FEATURESBRIDGE: Activates the two left Cooking Zones together as a single large Cooking Zone.For bridge operation, touch this pad to act

- 23 -BEFORE USING THE COOKTOPBefore using the cooktop for the first time, clean it thoroughly with the included cleaner orceramic cooktop cleaner acc

SETTING THE CONTROLSSETTING THE POWER LEVELThe power level for the selected Cooking Zone can be set from to and (Boost).To adjust the power level:T

- 25 -SETTING THE CONTROLS (cont.)POWER BOOSTBoost is the highest power level, designed for quickly heating or boiling larger quantities. Boostwill op

- 26 -POWER LEVEL GUIDENOTE: These settings are recommended guidelines for cooking. You may need to adjust thepower level for the type of food and pan

- 27 -USING THE BRIDGE COOKING ZONESBRIDGE COOKING ZONESThe two left Cooking Zones can be used together asa single Cooking Zone using the Bridge funct

- 28 -USING CHILD LOCKYou can lock the entire cooktop at any time when it is not in use. Locking the cooktop willprevent Cooking Zones from being turn

- 29 -ELECTRIC CIRCUIT DRAWINGLGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 3 -SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICEThe California Safe Drinking Water and Toxic Enforcement Act requires the Governor ofCalifornia to publi

- 30 -Unit must be disconnected from electrical outlet when making repairs, Re-Placements, adjustments and continuity cheeks. wait at least one minute

- 31 -Burner assembly1. Disconnect Top temp. sensor.2. Loose coil assembly.3. Lift the front side of burner assembly and pullout burner assembly.4. Bo

- 32 -Controller assembly1. Disconnect the three of the connects.2. Loose earth wire of left and right side.DISASSEMBLYLGE Internal Use OnlyCopyright

- 33 -IH module assembly1. Disconnect power harness with long nose.2. Loose earth wire of left and right side.3. Loose the four screws fixed to.4. Lif

- 34 -Power harness assembly1. Loose the two screws in terminal block.2. Take out the harness assembly.DISASSEMBLYLGE Internal Use OnlyCopyright © 200

- 35 -Terminal block and power cord assembly1. Loose the two screws on the bottom plate2. Loose the earth screw on the bottom plate3. Loose the ring o

- 36 -Burner assembly (left)1. Cut out the staple with nipper2 .After pull over the temp. sensor enough, remove the sensor holder with care3. Take out

- 37 -Burner assembly (right)1. Cut out the staple with nipper.2. After pull over the temp. sensor enough, removethe sensor holder with care.3. Take o

- 38 -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 suppor

- 39 -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

- 4 -WARNING: Persons with a pacemaker or similar medical device should exercise cautionusing or standing near an induction unit while it is in operat

- 40 -IH 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.

- 41 -IH module assembly (Induction board) - (2)4. Loose the four screws that fix the PCB to base.5. Heatsink Sensor wire is hooked. Unhook the wire b

- 42 -IH module assembly (filter board)1. Loose the three screws that fix the PCB to base.IH module assembly (fan)1. Unhook the fan wire.2. Loose the

- 43 -TROUBLE SHOOTING* Ceramic GlassBroken* No Power / NoOperation of keyThe procedure of main functionsClean HOB inner* Before check the HOB all con

- 44 -TROUBLE SHOOTING* IH(Inductionheating) is notworking* E1 display* F1~FA displayThe procedure of main functionsNormalNormalChangeKey PCBChange IH

- 45 -TROUBLE SHOOTING* Flashing H* Hob does not workproperly inInduction* Improper workingof controlThe procedure of main functionsCheck the pot or p

- 46 -LGE Internal Use OnlyCopyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposesEXPLODED VIEW (I)33463A3531

- 47 -EXPLODED VIEW (II)WTT02433463AWTT024350121WSZ00226877433040123550CWTT021WTT021WTT021EALHF126871226877226877324980P24970AWSZ00223040K64970A568771

- 5 -CHILD SAFETYWARNING: • This appliance is not intended for use by young children or infirm personsunless they have been adequately supervised by a

- 6 -• Utensil handles should be turned inward and should not extend over adjacentcooking zones to reduce the risk of burns, ignition of flammable mat

- 7 -• Do not use harsh abrasive cleaners or rough metal scrapers to clean the cooktopglass since they can scratch the surface, which may result in sh

- 8 -SAFETY PRECAUTIONS ----------------------------------------------------------------------------------------------------1-7CONTENTS --------------

- 9 -SPECIFICATIONSITEM DESCRIPTIONMODELPower RequirementMax powerINDUCTIONLEFT FRONTRIGHT FRONTLEFT REARRIGHT REARCooling Fan motorControlTimerCook t