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LG LCE30845 Manual
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LG LCE30845 Manual

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LCE30845
LCE30845
Induction Cooktop
Ver. 2.0 090529

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Summary of Contents for LG LCE30845

  • Page 1 LCE30845 LCE30845 Induction Cooktop Ver. 2.0 090529...
  • Page 2 Safety Warnings and Notices Safety Warnings and Notices (The Small Print Page) Caution Regulatory Information Disclaimer Compliance LCE30845 Induction Cooktop...
  • Page 3 Persons with pacemakers or similar medical devices should exercise caution using or standing near an induction unit while it is in operation, as the electromagnetic field may affect its operation. Patients should consult their doctors or healthcare professionals concerning their individual cases. LCE30845 Induction Cooktop...

  • Page 4: Table Of Contents

    Contents Contents Safety Notices and Warnings (small print page) (including pacemaker warning for cardiac patients) Contents Specifications Product Image Warranty (Non-specific, for instruction only) Introduction Induction Cooking Important Notes Selecting Cookware LCE30845 Induction Cooktop...

  • Page 5: Specifications

    (W x D, in inches) minimum X 20 (W x D, in inches) maximum 746 X 515 (W x D, in mm) minimum 749 X 518 (W x D, in mm) maximum Shipping Weight Approximately 52.3 lbs. (23.7 kg) LCE30845 Induction Cooktop...

  • Page 6: Warranty (Non-Specific, For Instruction Only)

    Warranty Warranty LCE30845 Induction Cooktop...

  • Page 7: Introduction

    The cooking zone itself does not become hot; instead, it may absorb some heat from the pan. If there is no pan on the cooking zone, the sensor detects this and the induction coil is not energized. LCE30845 Induction Cooktop...
  • Page 8 Heat Magnetic Field Glass Coil LCE30845 Induction Cooktop...
  • Page 9 How Induction Heating Works The Inverter Board powers a Coil that produces a High – Frequency Electromagnetic Field LCE30845 Induction Cooktop...
  • Page 10 How Induction Heating Works How Induction Heating Works The Field penetrates the metal of the “Ferrous” (magnetic- material) cooking vessel and sets up a circulating electric current, which generates heat. LCE30845 Induction Cooktop...
  • Page 11 “Eddy Current”. Most of the Heating is from ‘Hysteresis’ which means the resistance of the ferrous material to rapid changes in magnetization – but the idea is the same; the heat is generated in the cookware LCE30845 Induction Cooktop...
  • Page 12 How Induction Heating Works How Induction Heating Works The Heat generated in the cooking vessel is transferred to the vessel’s contents. LCE30845 Induction Cooktop...
  • Page 13 How Induction Heating Works How Induction Heating Works Nothing outside the vessel is affected by the Field --- as soon as the vessel is removed from the element, or the element turned off, Heat Generation STOPS LCE30845 Induction Cooktop...

  • Page 14: Important Notes

    Persons with pacemakers or similar medical devices should exercise caution using or standing near an induction unit while it is in operation, as the electromagnetic field may affect its operation. Patients should consult their doctors or healthcare professionals concerning their individual cases. LCE30845 Induction Cooktop...

  • Page 15: Selecting Cookware

    • Some cookware produces unusual noises when used with the induction cooktop. This is not a fault in the cooktop and will not LCE30845 Induction Cooktop impair the function of cooktop or cookware in any way.
  • Page 16 Introduction Introduction COOKWARE SUITABILITY TEST Use these simple tests to determine if your cookware is suitable for use with the induction cooktop. LCE30845 Induction Cooktop...
  • Page 17 Cookware Suitability Test Cookware Suitability Test LCE30845 Induction Cooktop...
  • Page 18 Cookware Suitability Test Cookware Suitability Test LCE30845 Induction Cooktop...
  • Page 19 Cookware Suitability Test Cookware Suitability Test LCE30845 Induction Cooktop...
  • Page 20 Observe all local codes and ordinances, including the latest edition of the National Electrical Code. • Only certain models can be installed over certain built-in ovens. • Be sure to leave all documentation with the owner after installation. LCE30845 Induction Cooktop...
  • Page 21 VAC. • The cooktop requires its own 40-amp, 240 VAC circuit using 8-gauge wire (8-2 w/ G). No neutral is required. • The minimum distance between the overhead cabinetry and the cooktop is 30 inches (76 cm). LCE30845 Induction Cooktop...
  • Page 22 Installation Installation LCE30845 Induction Cooktop...
  • Page 23 Installation Installation All LCE30845 cooktops require a single phase, 3-wire supply cable, on a circuit providing 40 amps via an 8-2 w/ ground cable. (No neutral is required.) Minimum distance between the cooktop and the overhead cabinetry is 30 inches (76 cm).
  • Page 24 Installation Installation LCE30845 Induction Cooktop T-10...
  • Page 25 The power should be supplied to the cooktop via an 8-2 w/ground cable single phase, 3-wire supply cable, on a circuit providing 240 at 40 amps. There is NO NEUTRAL. The white wire, if present, should not be connected. LCE30845 Induction Cooktop T-10...
  • Page 26 Installation Installation Visually inspect the cooktop for damage and missing parts. Make certain the screws around the perimeter of the cooktop are tightened and all retaining clips are in place. LCE30845 Induction Cooktop T-11...
  • Page 27 The cooktop must be centered to allow proper ventilation and to prevent heat buildup that may result in product failure, damage, or fire. Measure the cutout in the countertop. Adjust the opening to fit if LCE30845 Induction Cooktop T-11 required.
  • Page 28 Do not use caulking compound. The cooktop must be removable for service. Attach the retainer brackets to the bottom of the cooktop using the screws provided. LCE30845 Induction Cooktop T-11...
  • Page 29 Installation Installation If the preferred position is difficult to use, try the alternate position for the retained brackets. LCE30845 Induction Cooktop T-11...
  • Page 30 Installation Installation Insert the retaining bolts through the threaded holes in the brackets. Tighten the bolts snugly under the countertop to hold the cooktop in place. LCE30845 Induction Cooktop T-11...
  • Page 31 Parts and Features Parts and Features 1,800 W (Normal) 2,400 W (Normal) 2,400 W (Boost) 3,300 W (Boost) 1,800 W (Normal) Touch-Control 1,800 W (Normal) 2,400 W (Boost) 2,400 W (Boost) LCE30845 Induction Cooktop T-12...
  • Page 32 Parts and Features Parts and Features Magnetic Detector Pan Size Detector Improved Efficiency Induction Cooking Zones Easy Cleaning Controls and Displays Safety Shutoff LCE30845 Induction Cooktop T-12...
  • Page 33 Touch Control Touch Control Bridge Warm Timer Power Child Lock Cooking Zone Controls LCE30845 Induction Cooktop T-13...
  • Page 34 Do not use aggressive cleaners, grill or oven sprays, coarse scouring cleansers, abrasive pan cleaners, steel wool, or similar products. • Clean the surface as soon as it cools after cooking. Remove water marks with a glass scraper and ceramic glass LCE30845 Induction Cooktop T-14...
  • Page 35 • Wipe the surface dry with a clean cloth. • Once a week, clean the entire glass surface with ceramic glass cleaner, wipe it with a dry cloth, and polish it with a clean, lint-free cloth. LCE30845 Induction Cooktop T-14...
  • Page 36 Use a glass scraper to remove stubborn and built-up spills and stains. Hold the blade at a 45° angle to the glass. • Remove the soil by sliding the blade across the area. • Follow by cleaning with ceramic glass cleaner, as described above. LCE30845 Induction Cooktop T-14...
  • Page 37 • Use CAUTION! You can be burned while trying to clean a cooktop. Use an oven mitt to protect your hand. LCE30845 Induction Cooktop • Clean the surface as described above after it cools. T-14...
  • Page 38 Operating Instructions Operating Instructions BEFORE USING THE COOKTOP • Clean the cooktop before the first use. • Never use scrub pads, abrasive cleaners, or steel wool. These can cause permanent damage to the cooktop surface. LCE30845 Induction Cooktop T-15...
  • Page 39 The indicator above the pad will light. After turning the cooktop ON, you must select a cooking zone and activate it within 20 seconds using the its ON/OFF pad. If no selection is made, the cooktop will turn OFF for safety. LCE30845 Induction Cooktop T-15...
  • Page 40 Selecting The Cooking Zone Selecting The Cooking Zone To activate a cooking zone, touch its ON/OFF pad. LCE30845 Induction Cooktop T-15...
  • Page 41 Setting The Power Level Setting The Power Level The cooking level can be set between 0 and 9, or P (Power Boost). LCE30845 Induction Cooktop T-16...
  • Page 42 IE. To clear this error code, press and hold the ON/OFF pad for the cooking zone you were setting. This error code does NOT apply to the TIMER pad. LCE30845 Induction Cooktop T-16...
  • Page 43 The cooktop has a residual heat indicator (H) for each cooking zone. This indicator warns that the cooking zone may still be hot enough to cause burns. It will go off when the cooktop cools. LCE30845 Induction Cooktop T-16...
  • Page 44 Power Boost Power Boost Boost is the highest power level available, designed for quickly heating or boiling large quantities. It will operate for a maximum of 12 minutes and will then revert to POWER LEVEL 9. LCE30845 Induction Cooktop T-16...
  • Page 45 Power Level Chart Power Level Chart LCE30845 Induction Cooktop T-17...
  • Page 46 Locking the controls prevents cooking zones from being turned on accidentally. The cooktop must be OFF to activate the CHILD LOCK. Touch and hold CHILD LOCK for 3 seconds. The CHILD LOCK indicator will turn on to indicate the controls are locked. LCE30845 Induction Cooktop T-17...
  • Page 47 To use the bridge zone, you must use the bridge pan supplied with the cooktop. Do not use other pans. The bridge pan should be rubbed with oil (on the cooking surface only) and heated briefly to season it. LCE30845 Induction Cooktop T-18...
  • Page 48 Bridge Cooking Zones Bridge Cooking Zones When the bridge function is activated, you can adjust the power level for both zones simultaneously using the + and – keys for either zone. LCE30845 Induction Cooktop T-18...
  • Page 49 When the set time has expired, the cooktop sounds a long beep. • To cancel a TIMER function, touch and hold both the + and – keys simultaneously until the display shows 00. The timer will turn off. LCE30845 Induction Cooktop T-18...
  • Page 50 Automatic Shutoff Automatic Shutoff If a cooking zone remains activated for more than 17 hours without a change in control setting, it will be turned off automatically. LCE30845 Induction Cooktop T-18...
  • Page 51 Automatic Power Level Adjustment Automatic Power Level Adjustment The power level displayed may differ from the actual power level. To prevent cooktop overheating, the power level is controlled automatically. LCE30845 Induction Cooktop T-18...
  • Page 52 Power Sharing Power Sharing The cooktop is equipped with four induction cooking zones within two heating sections. The left and right sections are powered by separate induction inverters. LCE30845 Induction Cooktop T-19...
  • Page 53 When using both cooking zones on a single side, set power level for the food you wish to keep constant last. • You can keep two pans constant by using a cooking zone on each side. LCE30845 Induction Cooktop T-19...
  • Page 54 Generic Induction Block Diagram Generic Induction Block Diagram LCE30845 Induction Cooktop T-20...
  • Page 55 Disassembly Disassembly LCE30845 Induction Cooktop T-21...
  • Page 56 Ceramic Glass Cooktop Ceramic Glass Cooktop Turn off the power to the cooktop. Lift the cooktop out of the countertop. Remove the ten screws around the perimeter of the cooktop. LCE30845 Induction Cooktop T-21...
  • Page 57 Ceramic Glass Cooktop Ceramic Glass Cooktop Lift the glass part away from the cooktop. LCE30845 Induction Cooktop T-21...
  • Page 58 Ceramic Glass Cooktop Ceramic Glass Cooktop Be careful to avoid breaking the plastic tabs that position the glass at the front and back of the cooktop. LCE30845 Induction Cooktop T-21...
  • Page 59 Cooking Zone Assembly Cooking Zone Assembly Disconnect the top temperature sensor. LCE30845 Induction Cooktop T-22...
  • Page 60 Cooking Zone Assembly Cooking Zone Assembly LCE30845 Induction Cooktop T-22...
  • Page 61 Controller Assembly Controller Assembly Disconnect three connectors from the control board. LCE30845 Induction Cooktop T-23...
  • Page 62 Controller Assembly Controller Assembly Remove the ground wire at the incoming power connector. (left side) LCE30845 Induction Cooktop T-23...
  • Page 63 Controller Assembly Controller Assembly Remove the ground wire on the right side. LCE30845 Induction Cooktop T-23...
  • Page 64 IH (Induction Heat) Module IH (Induction Heat) Module Assembly Assembly Disconnect the power harness with needle nose pliers. LCE30845 Induction Cooktop T-24...
  • Page 65 IH (Induction Heat) Module IH (Induction Heat) Module Assembly Assembly Remove the ground wires on the left and right sides. LCE30845 Induction Cooktop T-24...
  • Page 66 IH (Induction Heat) Module IH (Induction Heat) Module Assembly Assembly Loosen the four screws that attach the module to the base of the cooktop. LCE30845 Induction Cooktop T-24...
  • Page 67 IH (Induction Heat) Module Assembly Assembly Lift the front edge of the IH module and pull the entire module out of the cooktop. Both the left and right modules can be removed in the same manner. LCE30845 Induction Cooktop T-24...
  • Page 68 Power Harness Assembly Power Harness Assembly Remove the screws on the terminal block. (Not the ones on the incoming power cable but the ones that connect to the induction modules) LCE30845 Induction Cooktop T-25...
  • Page 69 Power Harness Assembly Replace the screws in the terminal block for safekeeping while service is performed. NOTE: When replacing these terminal screws, remember they must be tight, but do not overtorque them and strip the threads. LCE30845 Induction Cooktop T-25...
  • Page 70 Terminal Block and Input Conduit Terminal Block and Input Conduit Loosen the three screws that attach the input cables. LCE30845 Induction Cooktop T-26...
  • Page 71 Terminal Block and Input Conduit Terminal Block and Input Conduit Remove the ground clip screws. Lift the terminal block away from the base of the cooktop and replace the ground clip screw. LCE30845 Induction Cooktop T-26...
  • Page 72 Terminal Block and Input Conduit Terminal Block and Input Conduit Remove the ring that attaches the conduit to the base of the cooktop. Pull the conduit out from outside the cooktop and replace the retaining ring on the conduit connector. LCE30845 Induction Cooktop T-26...
  • Page 73 IH Sensor Removal (Left) IH Sensor Removal (Left) Clip the staple(s) with a nipper. LCE30845 Induction Cooktop T-27...
  • Page 74 IH Sensor Removal (Left) IH Sensor Removal (Left) Pull the temperature sensor through the felt to release the retainer. Then pull the sensor back through the felt. LCE30845 Induction Cooktop T-27...
  • Page 75 IH Sensor Removal (Left) IH Sensor Removal (Left) Remove the black insulating felt. LCE30845 Induction Cooktop T-27...
  • Page 76 IH Sensor Removal (Left) IH Sensor Removal (Left) Remove the three screws securing the coil base. LCE30845 Induction Cooktop T-27...
  • Page 77 IH Sensor Removal (Right) IH Sensor Removal (Right) Clip the staple(s) with a nipper. LCE30845 Induction Cooktop T-28...
  • Page 78 IH Sensor Removal (Right) IH Sensor Removal (Right) LCE30845 Induction Cooktop T-28...
  • Page 79 IH Sensor Removal (Right) IH Sensor Removal (Right) Lift the insulating material from the work coil. Pull the coil forward and lift the front of it to release the hook from the base. LCE30845 Induction Cooktop T-28...
  • Page 80 Servicing The Inverter Assembly Servicing The Inverter Assembly Disconnect the cooktop from the power supply and remove glass cooktop. LCE30845 Induction Cooktop T-29...
  • Page 81 Servicing The Inverter Assembly Servicing The Inverter Assembly Remove the inverter cover. LCE30845 Induction Cooktop T-29...
  • Page 82 Servicing The Inverter Assembly Servicing The Inverter Assembly LCE30845 Induction Cooktop T-29...
  • Page 83 Servicing The Inverter Assembly Servicing The Inverter Assembly LCE30845 Induction Cooktop T-30...
  • Page 84 Servicing The Inverter Assembly Servicing The Inverter Assembly LCE30845 Induction Cooktop T-30...
  • Page 85 Servicing The Inverter Assembly Servicing The Inverter Assembly LCE30845 Induction Cooktop T-30...
  • Page 86 Controller Assembly (Touchpad) Controller Assembly (Touchpad) Remove the control board by flexing it slightly to release the plastic tabs that hold it in place. LCE30845 Induction Cooktop T-31...
  • Page 87 Controller Assembly (Touchpad) Controller Assembly (Touchpad) Pull the keypad control board out of the holder. LCE30845 Induction Cooktop T-31...
  • Page 88 Controller Assembly (Touchpad) Controller Assembly (Touchpad) Upon disassembly, the control board is completely removed from the frame. LCE30845 Induction Cooktop T-31...
  • Page 89 Control Assembly (Main PCB) Control Assembly (Main PCB) Remove the control board by flexing it slightly to release the plastic tabs that hold it in place. LCE30845 Induction Cooktop T-32...
  • Page 90 Control Assembly (Main PCB) Control Assembly (Main PCB) Separate the three connectors attached to the board. LCE30845 Induction Cooktop T-32...
  • Page 91 Control Assembly (Main PCB) Control Assembly (Main PCB) Cut out the plastic retaining clip, as shown. (This will not be a problem for reassembly.) LCE30845 Induction Cooktop T-32...
  • Page 92 Control Assembly (Main PCB) Control Assembly (Main PCB) Lift the bottom edge of the board out of the holder past the place where you cut off the plastic retaining clip. LCE30845 Induction Cooktop T-32...
  • Page 93 IH Module Filter Board IH Module Filter Board Separate the connectors at the PCB. Remove the three screws that attach the board to the base. LCE30845 Induction Cooktop T-33...
  • Page 94 IH Module Fan (12 V Motors) Disconnect the fan motor lead CN 003 on the filter board. Ohm test the fan motor; the reading should be approximately 4.1 MΩ. Test the fan operation using a 9- volt battery. LCE30845 Induction Cooktop T-33...
  • Page 95 IH Module Fan (12 V Motors) IH Module Fan (12 V Motors) Remove the two screws that secure the fan to the base. LCE30845 Induction Cooktop T-33...
  • Page 96 Troubleshooting Troubleshooting LCE30845 Induction Cooktop T-34...
  • Page 97 No Power / No Operation No Power / No Operation LCE30845 Induction Cooktop T-34...
  • Page 98 Right Side Inverter Board Right Side Inverter Board Check the fuse on the filter board. LCE30845 Induction Cooktop T-35...
  • Page 99 Filter Board and Fuse (Close up) Filter Board and Fuse (Close up) LCE30845 Induction Cooktop T-35...
  • Page 100 Main Control Board Main Control Board Check the line voltage at this connector on the main control board. LCE30845 Induction Cooktop T-35...
  • Page 101 Cooking Zone Not Heating Cooking Zone Not Heating CN 1 and CN 2 are shown reversed, as described in Step LCE30845 Induction Cooktop T-36...
  • Page 102 Cooking Zone Not Heating Cooking Zone Not Heating Disconnect the work coils to test between the coil and ground. LCE30845 Induction Cooktop T-36...
  • Page 103 One Side Fails One Side Fails BOTH LEFT SIDE ZONES FAIL TO HEAT - or - BOTH RIGHT SIDE ZONES FAIL TO HEAT - but - THE OPPOSITE SIDE WORKS! LCE30845 Induction Cooktop T-37...
  • Page 104 1 Display 1 Display LCE30845 Induction Cooktop T-38...
  • Page 105 2 Display 2 Display Low Line Voltage Detected Check incoming L1 to L2 / 208 ~ 240 VAC LCE30845 Induction Cooktop T-38...
  • Page 106 FE Left Cooling Fan3 CN 003 Filter Board (L) FF Right Cooling Fan3 CN 003 Filter Board (R) 500~550 KΩ @ room temperature 45~55 KΩ @ room temperature Test the fan motors. See page 33 – IH Module Fan. LCE30845 Induction Cooktop T-35...
  • Page 107 Flashing H Flashing H Normal message following initial power-up or following a power outage. To reset, press the ON/OFF key one time and then operate the cooktop as usual. LCE30845 Induction Cooktop T-39...
  • Page 108 Check the pot or pan for proper size in relation to cooking zone on the cooktop. Check the installation air gap at the rear of the cooktop. Make sure the installer has not covered the vent openings. Refer to the installation section and pictures. LCE30845 Induction Cooktop T-39...
  • Page 109 Schematic Schematic LCE30845 Induction Cooktop T-40...
  • Page 110 Exploded View Exploded View LCE30845 Induction Cooktop T-41...
  • Page 111 Exploded View Exploded View LCE30845 Induction Cooktop T-42...
  • Page 112 Loc # Part No Description MFL41494801 Owner’s Manual MBM41405701 Technical Sheet MAY40939801 23040H MAM37884301 Base, PCB 23040K MAM37991401 Base, PCB 23550C MCK39513901 Cover, Base 24781A ACM34466901 Controller Assembly, all boards and case 24781L ACM34467002 Controller Assembly, Mechanical LCE30845 Induction Cooktop T-43...
  • Page 113 LCE30845 Induction Cooktop...
  • Page 114 Universal Keywords: Div22 LGE LG Electronics Mechtech Document Specific Keywords: Induction Cooktop Document Name: LCE30845tm Subject: Training Manual Source Number: 363 Date: 061809 Models: LCE30845...