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1. Turn off the electrical supply going to the oven.

2. Remove the Upper/Lower door assembly.

3. To remove the following components follow the

sequence below.

Broil element, Convection element, Fan blade,

Oven thermistor, Halogen lamp can be serviced

without removing the oven.

1) To remove the broil element:

a. Remove the 4 screws from the front and rear

brackets.

b. Pull the element forward so that you can

access the terminals and disconnect the wires.

remove the convection element:

a. Remove the 4 screws on the convection fan

cover.

3-4

DISASSEMBLY INSTRUCTIONS(UPPER/LOWER)

REPLACING OVEN CAVITY COMPONENTS

Halogen lamp 3EA

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Broil elements

Convection

elements

Blade fan

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

Oven

Thermistor

WARNING

• ELECTRIC SHOCK HAZARD

- Unit must be disconnected from electrical

outlet when making repairs, replacements,

adjustments. Replace all panels before

operating oven. Failure to do so can result

in death or electrical shock.

CAUTION

• Be careful when you work on the

electric oven handling the sheet

metal part.

Содержание LWD3063BD

Страница 1: ...vice Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual The material covered by this prohibition includes without limitation any text graphics or logos in this Service Manual Copyright 2015 2017 LG Electronics Inc All rights reserved Only training and service purposes P NO MFL37118343 December 20...

Страница 2: ...er cord is defective it must be replaced by a qualified service agent with a UL listed range cord Electrical leads and cables should not be allowed to touch the oven Rating plate is located on the bracket below the control panel The power supply of the appliance should be turned off when it is being repaired FORWARD LG Electronics assumes no responsibility for any repairs made on our products by a...

Страница 3: ...ed cook Warm Proof Self clean DISASSEMBLY INSTRUCTIONS 3 1 3 3 Component Locations 3 1 Disassembly instructions Upper 3 2 3 3 Replacing the control panel and related components 3 2 3 3 Removing the SMPS PCB 3 2 Removing the Relay PCB 3 3 Removing the door lock assembly 3 3 Removing the Low Voltage Transformer halogen lamp 3 3 Removing the Serge filter 3 3 DISASSEMBLY INSTRUCTIONS UPPER LOWER 3 4 3...

Страница 4: ...OMPONENT TEST 4 1 4 4 Convection motor 4 1 Door locking motor 4 2 Door locking micro switch 4 2 Low Voltage Transformer Halogen lamp 4 2 Oven Thermistor 4 3 Door switch 4 3 Oven lamp 4 3 Broil Element 4 4 Bake Element 4 4 Convection element 4 4 Vent motor 4 4 Composition of control 5 1 5 3 DIAGNOSIS THROUGH SCHEMATIC 6 1 CHECK THE FAILURE CODE F code 7 1 SAFETY CAUTION ERROR CODE SUMMARY 8 1 CHECK...

Страница 5: ...e Flammable materials should not be stored in an oven or near surface elements Wear proper apparel Loose fitting or hanging garments should never be worn while using the appliance DO NOT place aluminum foil directly on the oven bottom Children should be kept away from the oven Accessible parts may become hot when the broil is use DISCONNECT power supply cord from the outlet before servicing Replac...

Страница 6: ...ed The oven vent could become hot during oven use Never block this vent and never place plastic or heat sensitive items on or near the vent NOTE For proper operation vent trim must be installed Be certain all packing materials are removed from the appliance before operating Keep plastics clothes and paper away from parts of the appliance that may become hot DO NOT force the door open This can dama...

Страница 7: ...easily spoil such as milk eggs fish meat or poultry should be chilled in the refrigerator first Even when chilled they should not stand in the oven for more than 1 hour before cooking begins and should be removed promptly when cooking is completed Eating spoiled food can result in sickness from food poisoning Should an oven fire occur leave the oven door closed and turn the oven off If the fire co...

Страница 8: ...s is extremely sensitive to the fumes released during an oven self clean cycle Fumes may be harmful or fatal to birds Move birds to well ventilated room Important Instruction In the event the self clean error code F is displayed and error melody sounds the oven is malfunctioning in the self clean mode Switch off the electrical power to the main fuse or breaker and have serviced by a qualified tech...

Страница 9: ...1 5 GENERAL MODEL SERIAL NUMBER LABEL AND TECH SHEET LOCATION The Model Serial Number label and Tech Sheet locations are shown below Model Serial Number Location Tech Sheet Location ...

Страница 10: ...Front ceiling area Lamp 12V 10W 0 8A 2 2 Left right sides Cooling motor 120V 41W 0 34A 2 Convection motor 120V 42W 0 65A 2 Locking motor 120V 3 5W 0 03A 2 7 Efficiency Higher than 80 8 Control style Glass touch Micom 9 Display Scroll VFD 10 Power control range 170 550 F 77 288 C At bake mode 11 Capacity Overall W H D 4 7 cu ft 622 449 474 24 1 2 17 11 16 18 5 8 12 Capacity Usable 3 2 cu ft 601 345...

Страница 11: ...ement operates during broil Broil can be used to cook foods which are normally broiled Preheating is not required when using broil All foods should be turned at least once except fish which does not need to be turned Convection Bake Roast Mode Upper element lower element Rear element and fan operate during convection bake Convection bake should be used for cooking casseroles and roasting meats Ove...

Страница 12: ...Use to turn the oven lights of the lower oven on and off 16 LOWER CLEAR OFF Use to stop cooking cancel settings of the lower oven To activate OVEN LOCK press and hold for 3 seconds 17 CONV BAKE Use to select the Convection Bake function of the lower oven 18 CONV ROAST Use to select the Convection Roast function of the lower oven 19 CRISP CONV Use to select the Crisp Convection function of the lowe...

Страница 13: ...33 SMART FEATURES The Tag On icon for use with Smart Features 34 SMART DIAGNOSIS Use with the Smart Diagnosis feature NOTE If F and a number appear in the display and the oven control signals this indicates a function error code See page 00 Touch the UPPER or LOWER CLEAR OFF pad Allow the oven to cool for one hour Put the oven back into operation If the function error code repeats disconnect the p...

Страница 14: ...lower oven 15 LOWER LIGHT Use to turn the oven lights of the lower oven on and off 16 LOWER CLEAR OFF Use to stop cooking cancel settings of the lower oven 17 CONV BAKE Use to select the Convection Bake function of the lower oven 18 CONV ROAST Use to select the Convection Roast function of the lower oven 19 CRISP CONV Use to select the Crisp Convection function of the lower oven 20 WARM PROOF Use ...

Страница 15: ...ture 34 REMOTE STRAT The pre heating function of the oven can be started or stopped using LG Smart ThinQ smart phone app To activate Wi Fi press and hold for 3 seconds NOTE If F and a number appear in the display and the oven control signals this indicates a function error code See page 00 Touch the UPPER or LOWER CLEAR OFF pad Allow the oven to cool for one hour Put the oven back into operation I...

Страница 16: ...set time counting down 4 When the set time has run out End shows in the display The indicator tones sound every 6 seconds until UPPER or LOWER TIMER ON OFF is pressed 5 CONTROL LOCKOUT 1 The PROBE key controls the Control Lock feature The Control Lock feature automatically locks most oven controls from being turned ON It does not disable the timer and the interior oven light The Control Lock featu...

Страница 17: ...ign 5 Press START to accept the change 4 LANGUAGE SELECTION 1 Press SETTING five times or until Lng appears in the display 2 Press 1 for English 2 for Spanish or 3 for French 3 Press START to accept the change 5 PREHEAT ALRAM LIGHT ON OFF 1 Press SETTING six times or until PrE appears in the display 2 Press 1 to turn on and 2 to turn off the alarm 3 Press START to accept the change 6 TEMPERATURE U...

Страница 18: ...BAKE Set the desired temp START Select CONV ROAST Set the desired temp START Select BAKE Set the desired temp START COOK TIME Set the desired time START START TIME Set the desired time START START TIME Set the desired start time START Select WARM Touch 1 2 3 Setthedesiredtemp High Med Low START Select PROOF Set the desired time START Select SELF CLEAN Set the desired time 3 4 5 START Select EASY C...

Страница 19: ...are shown below COMPONENT LOCATIONS Lower Door Switch Upper Door Switch Upper Oven Light inge nger inge nger Upper Door L tch e Lower Door L tch e Lower Oven Light D Oven Sen or e onvection oto r onvection e ter e e ter roi e ter Oven Sen or onvection oto r onvection e ter e e ter in 3 1 DISASSEMBLY INSTRUCTIONS ...

Страница 20: ...l rest Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Guide hole Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Hook Relay PCB Relay PCB Relay PCB Relay PCB Relay PCB Relay PCB Relay PCB Relay PCB Relay PCB Relay PCB Relay...

Страница 21: ...HE OVEN DOOR MANUALLY In case of need the oven door could be unlocked manually for the service Follow the steps below 1 Disconnect oven from the power source 2 Using a L shaped object close hanger insert it into the gap between the door and the control panel Grasp the hook on the motor and pull towards the left Be careful not to damage the oven 3 While holding the door latch in the Unlocked positi...

Страница 22: ...ion elements Blade fan Broil elements Convection elements Blade fan Broil elements Convection elements Blade fan Broil elements Convection elements Blade fan Broil elements Convection elements Blade fan Broil elements Convection elements Blade fan Broil elements Convection elements Blade fan Broil elements Convection elements Blade fan Broil elements Convection elements Blade fan Broil elements Co...

Страница 23: ...ff C Replace the halogen lamp then reinstall the glass cover Note The above instructions can be used for replacing any of the halogen bulbs in either oven 5 To remove oven temperature sensors Remove the 2 screws from the temperature sensor bracket Pull the temperature sensor forward and remove the connector Mounting Scews 3ea Fan Cover Scews 4ea Outer Inner Cavity Convection Heater Fan Blade Fan C...

Страница 24: ...or CONTROLLER PARTS Vent motor Thermal limiter Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Door switch Section 2 Section 3 Section 1 WARNING ELECTRIC SHOCK HAZARD Unit must be disconnected from electrical outlet when making repairs replacem...

Страница 25: ...temperature cools below 14 F 10 C The lower thermostat is located next to lower bake element It opens at 320 F 160 C and closes when the oven temperature cools below 14 F 10 C 3 To remove door switch Remove the 1 screw from the top right panel 4 Squeeze tabs on switch and slide through the front Disconnect the wires from terminals 6 To remove the Thermal limiter Convection motor and Bake Element f...

Страница 26: ...efore removing the convection fan motor first follow the steps for removing Convection Heater a Disconnect the 2 wire leads and remove the 3 screws from the motor bracket b Separate parts of cavity inner between cavity outer properly refer to the page3 5 About cavity inner disassembly method 3 To remove the hidden bake element a Remove the Vent cover Barrier bracket b Disconnect the 2 wire leads r...

Страница 27: ...Y INSTRUCTIONS UPPER d Bend the insulator up and remove the 1 screw e Carefully pull the hidden bake element and its BAKE HEATER_COVER out of the oven f When replacing the Bake Element cover use the 5 screws provided ...

Страница 28: ...t to lower bake element It opens at 320 F 160 C and closes when the oven temperature cools below 14 F 10 C 2 To remove the convection motor assembly refer to the following page 3 8 3 To remove Thermal limiter remove the 2 wires and 1screws THERMAL LIMITER To shut down the heaters The thermostats are located at the back of the oven next to each broil element and wired in series with each Double Lin...

Страница 29: ...lower oven you must separate the upper oven from the lower oven Please follow the steps below Remove Mounting side rails Remove screws from middle support 1 To remove the vent motor refer to the following page 3 6 2 To remove the Door lock motor assembly refer to the following page 3 3 3 To remove the Door switch refer to the following page 3 7 Middle support Lower Door lock motor assembly Lower d...

Страница 30: ...o remove the door 1 Fully open the door 2 Pull the hinge locks down toward Fig 1 the door frame to the unlocked position 3 Firmly grasp both sides of the door at the top 4 Close door to the door removal position which is approximately 5 degrees refer to the Fig 2 5 Lift door up and out until the hinge arm is clear of the slot Slot Hinge lock Lock Unlock Hinge arm Hinge lock Hinge arm Indentation B...

Страница 31: ...g the oven door handle glass CAUTION Be careful when you work on the electric oven handling the sheet metal part 4 top liner screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Hinge screws Handle screws COVER_INNER 2 COVER_...

Страница 32: ...R_INNER 1 off the door liner 8 Lift the inner oven door glass and bracket assembly out of the door liner COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 COVER_INNER 1 INNER OVEN DOOR GLASS BRACKET ...

Страница 33: ...et Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Door gasket Gasket clip Gasket clip Gasket clip Gasket clip Gasket clip G...

Страница 34: ... fully seated into the connectors 3 Resistance checks must be made with power disabled form oven and with wiring harness or connectors disconnected Before testing any components perform the following checks WARNING Disconnect power supply 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...

Страница 35: ...ce Multiple meter scale R x 1000 1 Refer to page 3 2 for disassembly 2 Measure the resistance Multiple meter scale R x 1 Normal Approximately 9 8 Ω 10 Replace if Infinite or below 1Ω Components Test procedures Results NO COM NO COM NO COM Normal Approximately 2550 Ω Replace if Infinite opened below 5 Ω shorted Door latch open Door latch Locked Continuity Infinite NOTE After checking for the contin...

Страница 36: ...after cool down Multiple meter scale R x1 Normal Approximately 1090 Ω Replace if Infinite opened below 10 Ω shorted Door open Door closed Continuity Infinite NOTE After checking for the continuity of switch make sure to reconnect leads properly 1 Refer to page 3 7 for disassembly 2 Measure the resistance after cooling down Multiple meter scale R x 1 NOTE Ω Value should be tested at room temperatur...

Страница 37: ... resistance after cool down Multiple meter scale R x 1 Normal Approximately 27 9 Ω Replace if Infinite opened 1 Refer to page 3 6 for disassembly 2 Measure the resistance after cool down Multiple meter scale R x 1 Normal Approximately H C 16 Ω L C 20 Ω Replace if Infinite opened below 5 Ω shorted NOTE Ω Value should be tested at room temperature 77F 25 C NOTE Ω Value should be tested at room tempe...

Страница 38: ...5 1 Composition of control Wiring Diagram LWD3063ST 00 LWD3063BD 00 ...

Страница 39: ...5 2 Composition of control Wiring Diagram LWD3063ST 01 LWD3063BD 01 ...

Страница 40: ...f control Main PCB P N EBR80108105 VFD Module P N EAJ62608101 Touch PCB P N EBR82089401 NFC PCB P N EBR78789101 Buzzer PCB P N EBR76332902 Oven Relay PCB P N EBR64624603 Composition of control LWD3063ST 00 LWD3063BD 00 ...

Страница 41: ...5 4 Composition of control Main PCB CN32 CN31 CN52 CN20 CN51 CN01 CN33 CN22 CN21 CN50 CN44 P N EBR80108105 Oven Relay PCB P N EBR64624603 CN03 LWD3063ST 00 LWD3063BD 00 CN12 CN11 CN01 ...

Страница 42: ...5 5 Composition of control VFD Module P N EAJ62608101 Touch PCB P N EBR82089401 LWD3063ST 00 LWD3063BD 00 ...

Страница 43: ...5 6 Composition of control LWD3063ST 00 LWD3063BD 00 NFC and Buzzer PCB P N EBR78789101 P N EBR76332902 ...

Страница 44: ... control LWD3063ST 01 LWD3063BD 01 Main PCB P N EBR82864306 VFD Module P N EAJ62608102 Touch PCB P N EBR82089401 Wi Fi PCB P N EAJ62608102 Buzzer PCB P N EBR76332902 Oven Relay PCB P N EBR64624603 Composition of control ...

Страница 45: ...5 8 Composition of control LWD3063ST 01 LWD3063BD 01 Main PCB CN32 CN31 CN52 CN20 CN51 CN01 CN33 CN22 CN21 CN50 CN53 P N EBR82864306 Oven Relay PCB P N EBR64624603 CN01 CN11 CN12 CN03 ...

Страница 46: ...5 9 Composition of control VFD Module P N EAJ62608102 Touch PCB P N EBR82089401 LWD3063ST 01 LWD3063BD 01 ...

Страница 47: ...5 10 Composition of control Wi Fi and Buzzer PCB P N EBR83227505 P N EBR76332902 LWD3063ST 01 LWD3063BD 01 ...

Страница 48: ... steps 1 press the Clear button 2 press the upper BAKE and BROIL buttons at the same time 3 press the upper BAKE and BROIL buttons at the same time again 4 press the NUM 0 button 5 Press the START button Model Option Software version Only software version and SVC TEST is displayed ...

Страница 49: ...elow Relay Operation Sequence If want to quit this sequence press CLEAR button Upper Oven Lower Oven Bake Inner Broil Outer Broil Conv Heater Blow Fan Lo Blow Fan Hi DLB RY11 RY13 RY14 RY12 RY2 Conv Fan RY3 RY1 RY19 Bake Inner Broil Outer Broil Conv Heater Conv Fan Blow Fan Lo DLB RY15 RY17 RY18 RY16 RY8 RY7 RY20 Blow Fan Hi RY6 Active Load Icon SW Version ...

Страница 50: ...9 F19 Check All heater relays and DLB relay are open Symptom no heating F9 F19 Check relative part Symptom Door lock fail F10 F20 Check All heater relays are open shorted Symptom Oven hot F6 F16 Check the Lamp coil s resistance Symptom Oven lamp not operating LWD3063ST 00 LWD3063BD 00 ...

Страница 51: ...rror or no heating F1 F2 F9 F19 Check relative part Symptom Door lock fail F10 F20 Check the Lamp coil s resistance Symptom Oven lamp not operating Check All heater relays and DLB relay are open Symptom no heating F9 F19 Check All heater relays are open shorted Symptom Oven hot F6 F16 ...

Страница 52: ... code following these steps 1 Press the CLEAR Button 2 Press the upper BAKE and BROIL buttons at the same time If the oven has a malfunction the Oven will show the failure Code like FIG 1 If the oven does not have any failure the Oven will look like FIG 2 NOTE After checking the F code press the CLEAR button to remove all codes FIG 1 FIG 1 Type of F Code Type of F Code Time of the failure occurren...

Страница 53: ...e of Key Pad Model F6 Upper F16 Lower Oven hot The oven temperature is over 650 continuously for 2 minutes during cooking ex cept self cleaning Oven Sensor F9 Upper F19 Lower Oven No heating EXCEPT PROOF WARM and EASY CLEAN Starting temperature of 130 or less and the oven door is closed the oven inside tempera ture does not go up more than 10 compared with the starting temperature for 5minutes aft...

Страница 54: ...7 3 TROUBLESHOOTING Symptom Check Point 1 Power Failure Dead 2 No Display 1 Check Electrical Wiring 2 Check the Main PCB Input Voltage with CN1 CN01 Main PCB Thermostat L1 N WH RD ...

Страница 55: ... Yes No 2 Check the connection of Main PCB CN01 Normal Yes No 3 Check the button beep Touch the Clear button Can hear the beep sound No Yes 1 Replace the Main PCB Check the AC input of Main PCB Main PCB CN01 Pin 1 and 3 120V AC Yes No 4 Reconnect Replace the Thermostat Replace the Main PCB Check the Thermostat Normal Short Abnormal Open Normal Yes No 6 Check the connection of L1 and N at Terminal ...

Страница 56: ...7 5 TROUBLESHOOTING Symptom Check Point 1 No heating 2 F9 F19 1 Check Electrical Wiring 2 Check Heater s Resistance 3 Check the Sensor ...

Страница 57: ...7 6 TROUBLESHOOTING Symptom Check Point 1 No heating 2 F9 F19 1 Check Electrical Wiring 2 Check Heater s Resistance 3 Check the Sensor CN31 CN32 ...

Страница 58: ...ing of electric element No Yes 1 Unplug the unit Replace the Failed heater Is the connection of heater normal Measure the resistance of each heater The resistance is shown below Yes No 2 CN51 CN52 All Taps Upper Broil Inner Outer Lower Broil Inner Outer Upper Conv Heater Lower Conv heater Lower Bake Upper Bake CN11 CN12 Upper Outer Broil Lower Outer Broil Upper Inner Broil Upper Inner Broil Upper ...

Страница 59: ... button 2 press the BAKE and BROIL buttons at the same time 3 press the BAKE and BROIL buttons at the same time again 4 press the NUM 3 button Normal Thermistor value at room temp is from 70 to 90 No Yes 3 Current temp Unplug the unit Replace the defective Thermistor Is the resistance of thermistor normal Check Pins 4 and 5 of CN31 and pins 5 and 6 of CN32 in main PCB Normal approximately 1 09kΩ a...

Страница 60: ...7 9 TROUBLESHOOTING Symptom Check Point 1 Door Lock System Failure 2 F10 F20 1 Check the Electric wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Door Lock Relay CN31 CN32 ...

Страница 61: ...7 10 TROUBLESHOOTING Symptom Check Point 1 Door Lock System Failure 2 F10 F20 1 Check the Electric wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Door Lock Relay ...

Страница 62: ...r Press Lower Clear Off button for 3 seconds and try to open the door Does the door open Door lock icon turns on and OVEN LOCKOUT is displayed No Yes 1 Plug in the unit Reconnect If defective harness replace or fix 2 Is the Connector disconnected or loose Check the following 1 Between Main PCB and Relay PCB Main CN51 CN52 Relay CN11 CN12 2 Electric wiring CN01 and CN03 of relay PCB 3 Electric wiri...

Страница 63: ... of door lock switch normally open type Yes 3 No Is the resistance of the lock motor normal measure the resistance of lock motor Normal approximately 2 6kΩ Abnormal infinite or below 5 Ω Yes 4 No Replace the micro switch Replace the lock motor Replace the Relay PCB NC COM Abnormal Normal ...

Страница 64: ...7 13 TROUBLESHOOTING Symptom Check Point 1 Sensing Fail 2 F1 F4 3 F2 F5 1 Check the Electrical Wiring 2 Check the Test Mode 3 Check the Sensor s Resistance CN31 CN32 ...

Страница 65: ... 1 Sensor connection 2 CN31 and CN32 of Main PCB No Yes 1 Plug in the unit Replace the defective Thermistor 2 Is the resistance of thermistor normal Check Pins 4 and 5 of CN31 and pins 5 and 6 of CN32 in main PCB Normal approximately 1 09kΩ at 25 No Yes CN31 Upper Sensor connection Lower Sensor connection CN32 CN31 CN32 ...

Страница 66: ...e test mode To enter the test mode follow these steps 1 press the CLEAR button 2 press the BAKE and BROIL buttons at the same time 3 press the BAKE and BROIL buttons at the same time again 4 press the NUM 3 button Normal Thermistor value at room temp is from 70 to 90 No Yes 3 Current temp Replace the Main PCB ...

Страница 67: ...7 16 TROUBLESHOOTING Symptom Check Point 1 Oven hot 2 F6 F16 1 Check the Resistance of the Relay 2 Check the Sensor s Resistance ...

Страница 68: ...7 17 TROUBLESHOOTING Symptom Check Point 1 Oven hot 2 F6 F16 1 Check the Resistance of the Relay 2 Check the Sensor s Resistance CN31 CN32 ...

Страница 69: ... 09kΩ at 25ºC Yes No 1 Unplug the unit Replace the Relay PCB CN31 CN32 Is the Heater relay normal Measure the resistance of heater relay and Live1 Normal infinite Abnormal shorted Yes No 2 Upper Bake Heater Relay Upper Convection Heater Relay Upper Inner Broil Heater Relay Tab 10 and Tab 11 RY11 Tab 10 and Tab 12 RY12 Tab 10 and Tab 13 RY13 Tab 10 and Tab 14 RY14 Upper Outer Broil Heater Relay ...

Страница 70: ...nite Abnormal shorted Yes No 3 Lower Bake Heater Relay Lower Convection Heater Relay Lower Inner Broil Heater Relay Lower Outer Broil Heater Relay Upper DLB Relay Lower DLB Relay Tab 24 and Tab 15 RY15 Tab 24 and Tab 16 RY16 Tab 24 and Tab 17 RY17 Tab 24 and Tab 18 RY18 Tab on Relay RY19 Tab on Relay RY20 ...

Страница 71: ...low Check with the test mode To enter the test mode follow these steps 1 press the CLEAR button 2 press the BAKE and BROIL buttons at the same time 3 press the BAKE and BROIL buttons at the same time again 4 press the NUM 3 button Normal Thermistor value at room temp is from 70 to 90 No 4 Current temp ...

Страница 72: ...7 21 TROUBLESHOOTING Symptom Check Point 1 Key not working 2 F3 Error 1 Check the Door Locking System 2 Check the Electrical Wiring CN44 ...

Страница 73: ...lug the unit Plug in the unit CN44 Replace the Control panel With Glass Touch PCB And then check button operation using key test mode 1 press the CLEAR button 2 press the BAKE and BROIL buttons at the same time 3 press the BAKE and BROIL buttons at the same time again 4 press the NUM 7 button 5 Check the button Refer to the next page appendix No 2 If button is not operated Replace the Main PCB 3 ...

Страница 74: ...accessed If Key is the normal operation will be the number that corresponds to the Key displayed on the VFD 2 If the key access order was changed the buzzer make double beep sound 3 The buzzer does NOT beep when a key was accessed it would be defected How to stop Key Test mode Press 1st Conv Bake 2nd 41th CLEAR OFF KEY OPERATION TEST SEQUENCE 1st H 2nd H 1st 41th ...

Страница 75: ...ey is accessed If Key is the normal operation will be the number that corresponds to the Key displayed on the VFD 2 If the key access order was changed the buzzer make double beep sound 3 The buzzer does NOT beep when a key was accessed it would be defected How to stop Key Test mode Press 1st Conv Bake 2nd 41th CLEAR OFF KEY OPERATION TEST SEQUENCE 42st 1st ...

Страница 76: ...9 1 SCHEMATIC DIAGRAM LWD3063ST 00 LWD3063BD 00 ...

Страница 77: ...9 2 SCHEMATIC DIAGRAM LWD3063ST 01 LWD3063BD 01 ...

Страница 78: ...fuse or circuit breaker 2 Check for loose wiring or mis wiring within electric range NOTE The following individual circuits are for use in diagnosis and are shown in the ON position NOTE Up and Lo denote Upper oven and Lower oven connections Full Broil mode full broil center broil Center Broil mode full broil center broil ...

Страница 79: ...9 4 Crisp Convection mode Conv Bake Conv Roast mode Note In case of Bake mode the convection fan will operate only for preheating ...

Страница 80: ...9 5 Bake Roast mode Self Clean mode ...

Страница 81: ...9 6 Warm Proof mode ...

Страница 82: ...EXPLODED VIEW EV INTRODUCTION 9504 9506 Customer Model Product Code SVC Model MODEL Customer Model Product Code SVC Model MODEL Customer Model Product Code SVC Model MODEL ...

Страница 83: ... EV Upper DOOR PARTS 1009 1382 1401 1120 1121 1703 1008 1023 1023 1000 1040 W225 W225 W321 W256 W256 W256 1402 1703 1704 ...

Страница 84: ... EV LOWER DOOR PARTS 1009 1030 1401 1120 1121 1703 1008 1040 W225 W225 W321 W256 W256 W256 1402 1703 1704 1023 1023 ...

Страница 85: ... EV CONTROLLER PARTS 2381 2050 2119 2118 W258 260M 2055 3006 260B 2042 2041 2043 2044 ...

Страница 86: ... W258 W258 544A 5506 5507 5562 5550 5540 5550 5550 5514 5441 5561 5505 544A 5513 5602 5601 5601 3022 5021 5512 5512 5516 5515 5515 5401 W230 W259 W259 W259 W230 4002 5407 W232 W233 5406 5561 W230 5508 W241 W236 5410 6001 5451 5067 H529 Upper CAVITY PARTS EV Customer Model Product Code SVC Model MODEL Customer Model Product Code SVC Model MODEL ...

Страница 87: ...5 W230 W230 4002 W301 W301 W301 W301 W301 W301 5562 5507 5517 5124 W102 5414 570L 5116 5117 5702 5550 5540 5550 5550 5514 5513 5602 5601 5601 3022 5021 5401 5407 W232 W233 5406 5561 5561 544A 3062 3006 3006 3006 5450 5440 5073 5073 W230 W259 W259 W259 3015 3015 572L EV ...

Страница 88: ...ASSEmbly 3029 3605 3603 3604 572U 5097 5545 5535 5527 3311 3602 3601 3013 3013 3018 3044 3144 3312 572L EV ...

Страница 89: ......

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Содержание LWD3063BD

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LG LWD3063BD, Руководство по обслуживанию, Страница: 22 / 89

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Содержание LWD3063BD

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