30” ELECTRIC CONVECTION BUILT
Contents
1. 1 T change e on temperaturo during use 8 TIMED COOK DELAYED TIMED COOK Toton Pa siopa bao EAT Fahrenheit 35 35 BROIL Temperature Conrad 2 Koy Ina Process ferie o ser sero Le tempora ox 8 GEAR o change E Note This adustonts aaa o Bake Roast Convection Bake Roast Crisp Conv TIME start time Mele Roast Tempera Ausiment can be y mena ol Oven Cay 24 opresor mcr Ah ran USING YOUR 9 BROIL 16 HEALTHIER ROAST ZL eae _ 5997811591 iis F l Contar Roast category Deere Tam Dose High j START Temperature gt START 10 ROAST Not Tho meat probo must bo used in this feature ROAST E START orto HEALTHIER ROASTING CHART 17 My MENU 11 CONVECTION BAKE ZE Tan Menu gt crate Baka Temperature Enar 12 CRISP CONVECTION creme Open My menu Cip o A Temperature START Select Lf See starr 13 CONVECTION ROAST START Temp Roast Temperature Option 14 RECIPE BANK2. Components Test procedures Results Doar locking Motor 1 Fater to 310 for disassembly Normal Approximately 25500 2 Measure the resistance Replace t Intrite poned meter scale Fx 1000 baion 5 ood EX Door ockng micro sem Door aich Deora 1 Ratar to page 3 10 for disassembly eor iy dase ype 2 Measure the resistance meter scale Px 1000 Continuity NOTE After checking for the continuity of switch make sure to reconnect leads propery Low Vonge T Reter to 32 tor disassembly Normat Aproxnatly Controller J Eee 2 Measure the resistance meter scale Fx 1 Replace Infinite or below 10 Low Vaage Transformer Halogen lamp T Ratar to 32 for disassembly 2 Measure the resistance meter scale Fx 1 into or below 10 retenes Results 2 Measure resistance after cool down metar scale R x1 lt Components Test procedures Oven Thermistor T Refer to page 35 for disassembly Normal Approsiataly 2 Measure resistance afler cool down 10000 metar scale x 1000 Replace it Ines opened below 10 0 sor a eA NOTE Value should be A testad at room temperature tj rS C NOTE After checking for tha contin
3. oven to cool bor one ho tunction error code repeats disconnect tne power othe oven and cal for service ithe oven was set for a tired oven operation and a power tar ccumod f clock and al programmed icons must trme of day wil tash and PF appear in ha display when tere has been a poner fal 22 USING YOUR OVEN 1 SETTING THE INTIAL CONTROL 1 LG logo display seconds nal display Power Failure or Reset First Select Language and set clock imo and the oven can be used Jt power occurs the oven wil remember your language selection however you wil stil 2 Key Function General Usage While selecting any function an appropriate key input sequence must be followed In case of an Inappropriate Input sequence key error beeps sound Numeric key are used while entering data temperatura and time for cooking 2 START CLEARIOFF 1 START key to start oven 2 CLEARIOFF key to cancel a program during cooking or erase during programming 3 OVEN LIGHT 1 Requirement The Oven Lights used totum on or off the oven 2 Key Process Oven Light ON OFF toggle operation ithe Oven Light is on by pressing oven light key the ight is on even if the door is closed Oven light key can be operated while door opens Exception Oven ight wil not operato during a self clean Once self clean is completa the oven light wil not operate untl oven cool
4. 3 Pull tho ends of the gasket out of he iner holes 1 Remave oven door 2 Pul tha oven door gasket cps out of the liner Liner Hole holes unti all of the lips are removed REASSEMBLY NOTE When reinstalling tho new gasket sue that all of the clips aro seated In penci to push the gasket ends into the holes Lak mal ae y ng rot COMPONENT TEST Before testing any components perform the following checks wore Hiero YU CEDENS E EE Co pee A 1 A test and checks should bo mado using a or DVM having a rango of at least 20 00 ohms or greater 2 Bo sure to check connections before replacing components Look for broken or loose wire tailed terminals or wires not fuly seated into the connectors 3 Resistance checks must be made with power disabled form oven and with wring hamess or connectors disconnected 4 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 shack NOTE Below 0 value were tested at room temperature 77F 25 C Components Test procedures Results Convection Motor 1 Rater to page 38 for Disassembly 17 2 Measure resistance Replace E nino opened mater scale x 1 below m
5. Note Follow the sequence above by pressing each key individually 2 Howto cancel the Test Modo Push Clear Off Key under the Test Mode aves SE pr SAFETY CAUTION amp ERROR CODE SUMMARY 1 1 Safety Caution Normal Stato power OFF unless described diferent as power ON 1 2 Error Code Summary Code Description Operation Fa Opened Sensor Oven Thermistor remain open for over 1 min after cook starts FA Shorted Sensor Oven Thermistor Is shored for over 1 min after cook starts Touch Sensor When touch senor koy has some error far gt 60 second Key Error Ovenhot _ Oven temperature is over 650 F 343 C continuously during 2 minutes on cooking Temp Probe Temp Probe Thermistor is shorted or over 1 min after cook starts Noheating If oven temperature Inthe oven does not exceed 150 F 66 G in Jess than 5 minutes Door Lock Fall Oven in case of Door Lock Falure F11 Comm Error Communication error between user interface and main PCB for over 10 seconde F 12 EEPROM Error EEPROM Error for My Menu 53 CHECKING FLOW CHART FAILURE j Dead E ol Symptom Check Pot 1 Dead T Check or power to wall oven 2 No Display 2 Check the thermostat 3 Check the Transformer 4 Check the System and Display i
6. Note Refer to the service manual for proper replacement of the door lock motor 4 To remove the Halogen lamp remove the Disconnect the 5 connections 5 To remove tho Surge filter remove the controller LVT and then remove the screws located back pate Disconnect the 2 connections DISASSEMBLY INSTRUCTIONS REPLACING OVEN CAVITY COMPONENTS WARNING ELECTRIC SHOCK HAZARD Un must be deconnecid om electrical tut when aking repairs pacem adjustments Replace all panels before pean over Fabie k do so can rol indeathor elec shock Roos CAUTION Be careful when you work on the electric oven handling the sheet metal part 1 Tum off the electrical supply going to the oven 2 Remove the door assembly 3 To remove the folowing components follow the sequence below Bool element Convection element Fan blado 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 terminais and disconnect the wires 2 To remove the convection element a Remove the 4 screws on ho convection fan arcs ve Ag anes DISASSEMBLY INSTRUCTIONS b Remove the 4 convection element screws 4 To remove the halogen lamp amp socket assembly The convection el
7. 1 Requirement The oven control can be programmed to display temperatures in Fahrenheit or Centigrade The oven has been preset at the factory to display in Fahrenheit Koy Input Process sot Up l gt Select Temp unit La 3 CLEAR to reject the change eres rr jane USING YOUR OVEN j 2 ly ihres D clock Tine Ragone LED Display Bine T Rogirament The cock kay sed pore eden e noie red a ipa Process SrA our tonat am ando cante foren fe onm e ly pug or Set Up Select Brightness OK when the power supply to the oven is Tonos hmo t saved I ROM reject he duros 4 TeRequroent When wart to educo or ETE NETTES Fear he uno 2 Koy Input Process Setup e 3 CLEAR cancel the clock sting 3 GEAR o cine change A Denton Ero Alarm Preheat Tor anon Aa Preheat Alarm Ragen Ser Vake vo dt 5 Convection Conversion E Regan When using Auto Conlon wi atom conven an seus e sones no bao empata tempere 2 CLEAR tort change 2 Koy Input Process 7 setup BAKE Desired Temperature staRT 3 CLEAR to reject the change 6 Temperature Adjustmor
8. Switch the electrical Power to the main fuse or breaker and have serviced by a qualified technician Mako sure oven lights aro cool befor cleaning lt DO NOT block the oven vent during operation This can damage the electi parts of the oven must bo able to move freely The metal bottom trim vent should be property assembled on the front bottom of oven before instaling the oven door GENERAL MODEL amp SERIAL NUMBER LABEL AND TECH SHEET LOCATION The Number label and Tech Sheet locations are shown below Model amp Seria Number Location Tech Sheet Location Lot maline oy cera LG Eme Mig ane GENERAL j SPECIFICATIONS CEE gt re 1 Bi vo 2 Pamaosan COE s CZ IZ Bo aX CE a ii ces Cohn NIME 77 773 ting or RASO Tarn fo Rh A E Toy EAT pem aay am parara opere 7 e CoCr A ore s nava T 1 nae LETE Er we DE muses USING YOUR GENERAL INFORMATION Rating Label Model numbers are recorded on the rating labo Rating label i
9. HN SLE GLEN fece E Opto nr m bows 15 PROOFIWARM Sur Besre Pme Pool ue START Wam START 25 DISASSEMBLY INSTRUCTIONS j This section Instructs you on how to service each component inside the oven The components and thelr locations aro shown below COMPONENT LOCATIONS Low Voltage Transformer Upper Oven Light gt A Upper Door Latch Assembly lt P Oven Sensor S eee na e Lera DISASSEMBLY INSTRUCTIONS REPLACING THE CONTROL PANEL AND RELATED COMPONENTS Disconnect the BEA connector from PCB assembly 6 _ WARNING and Separate contol panel careful 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 1 Tum off the electrical supply going to the oven 2 Open the door assembly 3 Remove the 3 screws from below the control panel 8 To remove the folowing components follow the ence below Controller LVT Relay PCB Door lock motor 4 Close
10. THERMAL LIMITER To shut down the heaters The thermostat is located at the back of tha oven next to the roll element and wire in Seres with the Double Line Break relay The oven thermostat opens at 356 F 180 C Reclose Temp 31 F 25 C 2 To remove convection motor assembly Before removing the convection fan motor first 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 betwoon cavity outor propery refer to the page3 5 About cavity inner disassembly method 3 To remove the hidden bake element Remove the Barier bracket Barrier bracket b Disconnect 2 wire leads remove the Bake element cover Cut the 8 points of flange and remove the Bake element cover Giro muria a ig arn prs DISASSEMBLY INSTRUCTIONS J d Bend sator up and remove te Carefully pul the hidden bake element out of the oven 1 When replacing the Bake Element cover use tha 5 screws provided e aron enet DISASSEMBLY INSTRUCTIONS REMOVING 8 REINSTALLING THE LIFT OFF OVEN DOOR _ 4CAUTON The door is very heavy Be careful when removing and lifting the door Do not lift the door by the handle reler to the Fg2 gt Lit door up and out unt the hinge arm is cler of tho To replace the door 1 Fimy gras
11. size of food item USING YOUR OVEN j CONTROL PANEL FEATURES READ THE INSTRUCTIONS CAREFULLY BEFORE USING THE OVEN For satisfactory use of your oven become familar with the various features and functions of the oven as described below LOVEN LIGHT Uso to tum ha oven ighis on and ofl Z START Uso stat al oven features he CONTROL LOCK or 4 socond baling TIMER ONOFF Uso o sel r cancel he mer A CLEARIOFF Use to slop cocking or cancel the seting of 5 Touch Screen Show ta io ot day mana and oven whether he oven is Pelo brol or sal ening mode and he mas set r he imar or automate Oven operations The display panel wil go seep mode cy Touch he display nos o ed aganto make your sli Main Menu 6 Bake Use to select romal bake mode T Broil Use toset valo rd Roast Uso Isla he normal oast mode Bake Use 1o selat e oorvecton bake mode 10 Crisp Conv Uso to select he cp convection mode 1 Conv Roast Uso to select he cnvecion roast mode 12 Recipe Bank Use to racal aree category ol gourmet m Proot Warm Uso o proof brea Use to hold ood wam 14 Healthier Roast Us b ede mode 15 Menu Uso o save or racal he ioa 10 cock 16 Setup Usa o change he special setings 17 Self Clean Uso elect sl caring ee Press CLEARIOFF pad ow
12. the vent motor remove the 13 2 screws and disconnect connector Lot rem on cep tueri ve Mg a wagons pe DISASSEMBLY INSTRUCTIONS J COOLING FAN BLOWER 4 Squeeze tabs on switch and slide through tho Sel Clean Mode The cooling fan can operate front at2 diferent speeds based on temperatur It Disconnect the wires from terminais the temp is above 482 F 250 C the fan wil operate on high temp is below 482 F 250 C the fan wil operate on low Cooking Mode If the oven temperature reaches 212 F 100 C the cooling fan wil operato at low speed at atime 2 To remove thermal disk remove the 1 screw and remove the 2 wires 6 To remove the Thermal imiter Convection motor and Bake Element from the oven Follow the stops as falows Remove the rear cover THERMAL LIMITER To shut down the control power transtormer The upper thermostat is located in font of the cooling fan It opens at 356 F 180 C and closes when the oven temperature cools below 14 F 10 C Tho lower thermostat is located next to the broil element t opens at 856 F 180 C and closes when the oven temperature cools below 14 F 10 C Thermal Limiter Double Line Break Convection motor 3 To remove door switch Remove tho 1 screw from the top right panel nicum 7 arie DISASSEMBLY INSTRUCTIONS 1 To Remove Thermal Limiter Double Line Break remove the screw and 2 wire leads
13. Don t remove the harness Tho voltage should bo 4 5 VDC 58 VDC Lot rem cn CHECKING FLOW CHART FAILURE MODE j Dead voltage OR Replace ho Display PCB Check the System s PCB Replace the Display PCB END CHECKING FLOW CHART BY FAILURE MODE Oven does not heat including F 9 error Symptom No heating Check Elements Resistance E24 UT Symptom No heating Thermostat Check connection Symptom No heating OpeniShot Symptom hock Pain No heating T Check wiring and PCB s connection 2 Check the thermostat 3 Check the heaters resistor 4 Check the sensor Lot maline cn epg La Eme Mig a S minuto pr CHECKING FLOW CHART FAILURE MODE Oven does not heat including F 9 error Ce Disconnect pomer Check the electric wire connection And system PCB and Relay PCB CN11 Loose connection and disconnection f connection OR Yes Check the thermostat oper beeen BLR Raja and cm Mt hava the error Itis open state Replace the thermostat END 510 CHECKI
14. LG 30 ELECTRIC CONVECTION BUILT IN OVEN MODEL LWS3081ST CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL August 2008 PINO 3718306 Printed in Korea FORWARD This LG Service Manual 30 Electric Built in Oven provides the technician with information on the operation and service of the Electric Built in Oven 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 electric oven 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 Ifthe power 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 itis being repaired WARNING DISCONNECT power supply cord from the outlet before sen Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock DO NOT Touch when the oven operates The interior parts will bo very hot LG Elec
15. LOW CHART FAILURE MODE j Tock system failure including F 10 error Just ater salfciean start the door lock motor starts to rotate During that time f the door lock switch does not operate properly after rotating twice then supervising circuit detects a Door Lock fallur and the F 10 error appears Lock falod mo Disconnect power y Check the terminal loose of micro switch and door locking motor I the connection Fix the connection i EN su retenes CHECKING FLOW CHART BY FAILURE MODE j Tock system failure including F 10 error 0 Check the locking molor measure the resistance Normal approximately 26 Abnormal Infinite or below 5 d gt 1 Check the loose connector Oven main PCB CNOS No Replace the locking motor END Check the Relay electric connection CNOS Check the connection between system and relay PCB CNI TAN Fitheconecion Replace the System PCB Replace mo Relay POS END Lot remo cn 545 END S inue etm CHECKING FLOW CHART FAILURE MODE J Oven Thermistor failed including F 1 F 2 error oven sensing falod including sensor eror Check the thermisto
16. NG FLOW CHART BY FAILURE MODE Oven does not heat including F 9 error 9 S E infauna ona az Resistor Bake 220 350 Convection 250 420 220 350 Outer bro 350 360 litis not correct Measure heater resistance direct Replace the error hoator y END At mar v si nds pu CHECKING FLOW CHART BY FAILURE MODE J Oven does not heat including F 9 error 3 Power On Check the thermistor using the test mode 4 Diagnosis Oven sensor After value the sensor value are 70 F 00 F at 24 C Power Off Check the thermisiors resistor No CNO4 ping 4 Normal approximately 1 09 Eo o gt No Replace he Sensor m Replace the Relay PCB Eu gt No Replace System POS mm Copyrigt 2007 LG ne A1 ght reserves LGE iarrar Ony CHECKING FLOW CHART BY FAILURE MODE Not operating Key including F 3 error Key operating falF 3 Sins he E between display and key pcb CN6 E NM Fae commocion Yes Replace the control supporter O flm Glass touch PCB Yes END CHECKING F
17. ement is rage Care There are three halogen lamp amp socket should be taken to avoid any risk of injury assembly in the oven cavity b Insert a fiat blade scrowirvor Into the guide hole and pul off C Replace the halogen lamp then reinstal the lass cover A CAUTION Note The above instructions can bo used for replacing the nalopen bubs aimer ovon Be careful not to bend the fan blade 5 To remove oven temperature sensors Remove the 2 screws fom the temperature 3 To remove Blade fan Convection fan sensor bracket Remove by screwing clockwise Ful he perek sensor formar and bo careful fan blade is bent easty remove the connector b Fan blade can be replaced from inside oven LS DISASSEMBLY INSTRUCTIONS REPLACING OTHER ELECTRICAL COMPONENTS Vent motor Thermal imiter WARNING J ELECTRIC SHOCK HAZARD Unit must be disconnected from electrical when making repairs replacements adjustments Replace all panels before operating oven Failure to do so can result in death electrical shock CAUTION Be careful when you work on the electric oven handling the sheet metal part 1 Tum off the electrical supply going to the oven 2 the oven away from the wali cabinet so that 4 Vent motor Thermal Limiter and Door switch can you can access upper panel be serviced hore Remove the upper panel there aro 3 total pieces To remove
18. ertain 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 ean damage the automatic door locking system Use care when opening the oven door after tho self cleaning cycle Stand to the side of the oven when opening the door to allow hot air or steam to escape The oven may stil be VERY HOT DO NOT use a steel wool pad t wil SCRATCH tho surface DO NOT use harsh etching abrasivo cleaners or sharp metal scrapers to clean the oven door glass since they can scratch the surface may result in shattering of the glass Be careful when removing and lifting the door DO NOT lit the door by the handle The door is very heavy DO NOT stop or sit on oven door Bo sure to follow proper installation instructions ELECTRICAL SAFETY Protective Liners Do not use aluminum foil or any other material to line tho oven bottoms Improper installation of these iners may result in a risk of electric shock or fire Do Not allow aluminum foll or meat probo to contact heating elements DO NOT place aluminum foil directly the oven bottom cetera an ony GENERAL READ ALL INSTRUCTIONS BEFORE USE Before replacing your oven light bulb switch off the electrical power to the oven at the main fuse or circuit breaker pan Failure to do so can result In se
19. ges wil follow the safety alert symbol and ether the word WARNING Or CAUTION These word means AA WARNING Tis gil you 1g hazards or rato vih col causo A CAUTION TEY vi alort you to hazards or raices which could cause WARNING NEVER use your appliance for warming or heating the room DO NOT use water on grease fires Tum off oven to avoid spreading lames Smother the fre by closing the oven door or use dry chemical baking soda or foam extinguishers Use only dry pot holders or damp pol Holders hol surfaces may in bums from steam Do not lat the pot holder touch hot heating elements Do not use towel or other bulky cioth Storage in or on appliance Flammatia materials should not be stored in an oven or near surface elements Wear proper apparel Rng or garments shoud never be wom wie using the spplance 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 rol i use DISCONNECT power supply cord from the outlet before servicing Replace panels and parts before operating RECONNECT all grounding devices to do so can resul in severe personal injury death or electrical shock DO NOT Touch when the oven operates Tho interior pats voy hot ELECTRIC SHOCK HAZARD A CAUTION j DO NOT leave child
20. i CHECKING FLOW CHART BY FAILURE Dead No display Power off Check for loose connectors or disconnect CNO2 ot 7 between system CN10 and display CN10 1 eee Connectors NO Fix the connection END Power On Check AC input voltage of oven System CNO1 pin 1 and 3 Should have 120VAC an Lot rem on CHECKING FLOW CHART FAILURE MODE Dead Power off fet 120V ACT Check the Thermostat openishori L1 and CNOT s RD color wire N and CNot s WH color wire Iit have the error itis open state opresor mcr Agha No Replace thermostat END Primary Side Lead olor Gol resistance Primary Black white approximately Underloofa Secondary 1 yelou yellow approximately Secondaryt Under 50 a Secondary 2 red approximately Secondary2 Under 50 0 Replace the power transformer END CHECKING FLOW CHART BY FAILURE MODE Dead Check the System s Voc pint1 Voc and pino GND voltage should be 45 VDC 5 8 VDC voltage Replace the system END Check the Displays and pind GND or C228 or C19
21. ing the Thermal imitar 37 Removing Door switch 37 7 Removing Thermal tc Double Une Break ho Convection motor assembly Removing the Hidden bake element DISASSEMBLY INSTRUCTIONS Removing amp Reinstaling the taf oven door 510 Removing oven door handle glass 1 52 Removing tho oven door gasket COMPONENT TEST Convecton motor Door locking motor Door locking micro switch H i iniiiiiii DIAGNOSIS THROUGH SCHEMATIC HOW TO ENTER THE TEST MODE SAFETY CAUTION amp ERROR CODE SUMMARY 52 CHECKING FLOW CHART BY FAILURE MODE c 5 3 5 18 Dead 54 58 Oven does not heat including 0 eo 59 512 Not operating Key ncuing FS eror 513 Lock system alu incuing F 10 arr 514 515 Oven Thermistor tailed Oven co hot including H Gommuricaon error F 10 error 518 SCHEMATIC DIAGRAM 6 1 52 68 74 76 84 83 Sip ciculs EXPLODED VIEW REPLACEMENT PARTS LIST Lera GENERAL READ ALL INSTRUCTIONS BEFORE USE Read and follow al instructions using your oven o prevent the risk of fre electric shock injury to person or damage when using the range This guide dont cover al possible conditions that may occur For rer assistance contact your service agent or manufacture This safety alert symbol This symbol alerts you to potential hazards that can or hunt you and others safety messa
22. l CHILD SAFETY WARNING Children should be kept away from the oven Accessory parts will become hot when the broiler is in use A CAUTION Children should not be left alone or unattended in area where appliance is in use Children should never be allowed to sit or stand on any part of the appliance inb 4 CAUTION DO NOT leave small children unattended near the appliance During the self cleaning cycle the outside of the oven can become very hot to the touch GENERAL READ ALL INSTRUCTIONS BEFORE USE SAFETY WHEN CLEANING Do Not Clean Door Gasket The door gasket is essential for a good seal Caro should bo taken motto rub damage or move the gasket Do Not Use Oven Cleaners No commercial oven cleaner or oven liner protective coating of any Kind should be used in or around any part ofthe oven Before self cleaning the oven Remove broller pan all oven racks meat probe and any other from the oven cavity Never keep pot birds in the kitchen The health of birds is extremely sensitive to the fumes released during an oven sell ciean cycle Fumes may be harmful or fatal to birds Move birds to well ventilated room 2007 L mcr Ah rat 14 Important Instruction In the event the sol clean error codo is displayed and error melody sounds the oven is malfunctioning in the self clean mode
23. m temperature RSC DIAGNOSIS THROUGH SCHEMATIC J Apply schematic from Tech sheet gm py E E pror Mad LAOS CN un Oven Lat retia ry x HOW ENTER THE TEST j How to enter the Test mode NOTE Before entering Test Mode make sure to record the customers settings such as lems in MY MENU and SET UP When the Test Mode is activated is can erase Items the customer has added or changed in these menus To entar the test mode 1 Remove power from the oven 2 Retum power to the oven Note do not set the time of day 3 Then press Start Timer on Oven light and Start again Note Follow the sequence above by pressing each key individually If you push START TIMER LIGHT START button in order you can enter the test mode Its possible to enter the test mode after power is And any should not be pushed even though LG Logo Is disappeared on tho screen How to enter the Test Mode in the Main Mode 1 Ifyou push Set Up Menu START HiddenKey 3 START button in order you can ent test mode again 1 Select Set up from main monu 2 Press start thon the 3 hidden keys from top to bottom then press start again
24. p both sides of he door at ho tp seated into bottom of ho dot 3 Fuly open tno door I door vil rot open ho indentation is not seated in the bottom edge 2 4 against the front frame the oven cavity othe locked poston 5 Close the oven door Gre muria ve Man pu DISASSEMBLY INSTRUCTIONS REMOVING THE OVEN DOOR HANDLE 8 GLASS 6 To remove the door handle amp tim Remove 2 screws for handle and replace b Side Door trim up and of electric oven handling the sheet metal part 1 Remove the oven door from the oven seo page 9 11 2 Place oven door on a padded work surface with ront glass facing down 3 Remove tho 4 top door screws 7 To remove the hinge 1 Remove the 2 lower Iner screws seo step 3 2 Place the door nar assembly on a padded work surface withthe hinge over edge 3 Remove the two hinge hanger screws 4 Remove fa three bottom screw from the door 5 Litho Inner assembly off the front glass and set aside e pma DISASSEMBLY INSTRUCTIONS 5 Lit COVER INNER 2 off the door liner 6 Litt the hinge out of the door liner siat remove the oven door glass assembly the COVER_INNER 1 off the door iner 8 Litt the inner oven door glass and bracket assembly out of the door nr DISASSEMBLY INSTRUCTIONS REMOVING THE OVEN DOOR GASKET
25. r using the test modo 4 Diagnosis Oven sensor After valuo the sensor value are 70 F 90 Fat 24 C Power Off Check the thermistor resistor ping 4 Normal approximately 1 09 Replace the Sensor e pm sn CHECKING FLOW CHART FAILURE MODE Oven too hot including F 6 error au Disconnect power Remove the relay harness and pull the relay PCB forward from case cite LAS TABA measure the Welded intinne wma Yes Replace ho system PCB Replace the relay PCB CHECKING FLOW CHART BY FAILURE MODE J Communication error F 10 error hack the PCB s test mode Check the 4 Diagnosis Communication check Okor NG Check the connection between tho system and dsplay CN10 connection END Replace Display PCB Replace the System PCB END opresor ve SCHEMATIC DIAGRAM FAURE SO CAN ERIT WIRE COLORS STRIP CIRCUITS Complete the following steps before checking elec
26. ren alone Children should not be et alone or unattended in area where isin use Ehren should never be alowed o sk stand pat of De appliance DO NOT leave small children unattended near the appliance During tne cieaning the outside of he oven can become very hat o touch Be careful when you work on the electric oven handling the sheet metal part Sharp edge may bo present and you can cut yours lt Be careful not to bend the fan blade The door is very heavy Be careful when removing and lifting door Do not lift the door by the handle rg Sar er GENERAL J READ ALL INSTRUCTIONS BEFORE USE SAFETY PRECAUTIONS Ra cora ut apace proper salad econ Do repar or replace any ptf he a mandada A opu svg shouldbe retord to a vay tons port place br a TOUCA HEATH ELEMENTE OR ny be ht evo hough hey nome become teni cae be Dut nd Por DEAE es eee epe eic openings an nar basa com ee Care When Opening Door tether ere eee om A Batty spare moy cse cote titi Kass Oven Vent id Sus Uc 91 Fes place plastic or heat Wail bonom sentivo ems on or tim enl near the vent 3 NOTE For proper operation vent tim must bo installed Be c
27. s down 4 TIMER 1 Requirement The timer works ko an alarm clock that wil continuously beep unti turned ofl The oven can fully operate during the use of tho timor Seting Limit tiHour 59Min 2 Min and Sec Seting NUMERIC Sel ie desired tme min and sc Timer 3 Hour and Min setting NUMERIC rs rues gt en 4 When tho set time has elapsed Timor End is displayed Timer alarm melody wil sound every 15 seconds unti TIMER is pressed Press timer key in order to cancel running timer or clear timer end alarm The ima less than 1hour is displayed in min and sec on timer operation 5 CONTROL LOCKOUT 1 The START key controls the Control Lock feature The Control Lock feature automaticaly locks most oven controls from being tumed ON does not disable the timer and tho Interior oven light Tho Control Lock feature will cancel the cooking mode and wil lack the oven controls at any timo when you activate this feature 2 Key Input Process START 4 seconds Lock melody wil sound 3 To unlock the control press START for 4 seconds Unlock melody wal sound 6 SET UP 8 DIFFERENT CATEGORIES 1 Language Selection 1 Requirement Tho scroll display can be shown either Engist SpaisivFrench 2 Koy Input Process Setup l gt Solectianguage L 3 CLEAR to reject the change 2 Temperature Selection unit
28. s located on the lower left bottom area of the controller It can be seen by opening the door Before ordering parts write down the correct model and serial number from rating label This avoids incorrect shipments and delays Please referto parts reference material when ordering replacement parts Functional Operation Bake Top and hidden bonom elements operate during bake Bake can be used to cook foods which are normally baked Oven must be preheated Convection and heater operates during the Preheat cycle of Bake mode Broil Mode element operates during broil can be used to cook foods which are normally broiled Preheating is not required when using broil Al foods should be tumed at least once except fish which does not need to be tumed Convection Bake Roast Mode Upper element lower element Rear element and fan operato during convection bake Convection bake should bo used for cooking casseroles and roasting meats Oven should be preheated for best results when using convection bake Pans do not need to be staggered Cooks approximately 25 quicker than bake Brod element Convection element Bake element Cooking Guide Refer to the owners manual for recommendations of times and temperatures Times rack postion and temperatures may vary depending on conditons and food type For best results always check food at minimum time When roasting choose rack position based on
29. the door assembly 5 Lith conl panel ofl rom ho guido hooks and top trim Tit the control panel d Hinge panel into seis on main boy and let control panel rest DISASSEMBLY INSTRUCTIONS j 2 To remove the Relay PCB Remove 1 screw and side relay POB out Disconnect the 7EA connector from PCB CNO2 WH WH VI YL RY19 and separato Relay PCB assembly 3 To remove the Door lock assembly Open ha door and remove the 2 screws located on front gril Remove the 2 connectors DOOR LOCKING MECHANISM The door lock assembly is located on top of the Tho door lock Is controlled by the PCB and is activated when the oven is put into a self clean The oven wil remain locked aora self untl the temperature fall below 500 F 260 C M thore ls failure of his motor the folowing steps can be followed to unock the door manualy opresor Ema romanas TO UNLOCK THE OVEN DOOR MANUALLY in caso of need the oven door could be unlocked manual tor the service Follow the stops below Unlocking status Locking status ARM az d ECC a PA ipee ne 1 Disconnect oven from the power source 2 Using a L shaped object close hanger Insert It nto the gap between the door and control panel Grasp the hook on the motor and pul towards the left Bo careful not to damage the oven 3 While holding the door latch in the Unlocked position you can now pen the door
30. tric oven circuit 1 the Ine otage household fuse or out breaker 2 Gheck for lose wing or mis wiing deci range NOTE The folowing Individual circuits are for use in diagnosis and aro shown in the ON postion Full Broil mode Center Broil mode e pne Crisp Convection mode Conv Bake amp Conv Roast mode m Ea Note In case of Bake mode the convection fan wil operate oniy for preheating Bake amp Roast mode Self Clean mode C we Warm amp Proof mode EXPLODED VIEW INTRODUCTION MODEL LWS3081ST CONTROLLER PARTS DOOR PARTS CAVITY PARTS ater o ig aser CAVITY PARTS ASSEMBLY LG Electronics Inc
31. tronics assumes no responsibilty for any repairs made on our products by anyone other than Authorized Service Technicians 2007 mcr Agha Lateral ae y TABLE OF CONTENTS 11 16 15 18 USING YOUR OVEN m 24 25 Generi information 21 Contr panel feature 22 28 Sating he intial coni E Gel dod Setup 8 diferent category 1 Language selection 2 Temperature selection unit 3 Display brighiness 4 Sound volume LoudNormalMuto 5 Convection auto conversion Temperature adjustment T Clock tine 8 Reset Bake Timed cook Delayed timed cook E Roast Convection bake Gs convection Gonvecton roast Recipe bank Proctam Heater roast DISASSEMBLY INSTRUCTIONS Component Locations DISASSEMBLY INSTRUCTIONS Replacing be conto panel and related components Removing he Low Voltage Transformer controller Removing the Relay PCB moving the door kek assembly Removing the Low Voltage Transformer halogen lamp T Removing the Serge filer DISASSEMBLY INSTRUCTIONS Replacing oven cavity components Removing Bril element Removing tha Convection element 2 Removing the Blade lan Removing the Halogen lamp socket assembly Replacing other electrical components 2 i ifrfkib geese i Lit rem oy epg 2016 Eme Mig ane S inue pe Removing the Vent motor Remov
32. uity of switch make sure to reconnect leads proper Door swich T Rafar to page 37 for disassembly Door open Door closed 2 Measure the resistance afler cooling down moter scale R x 1 nire Oven lamp 1 Refer to page Norma Replace reo metar scale Rx 1 Components Test procedures Results Broi Bement T Rafar to 3 4 or disassembly 2 Measure the resistance after cool down Imer 2250 meter scale Rx 1 Replace nt opened NOTE Outer element Y se Outer yellow and Blue terminals chock restar er Bro lament usa er S Yow and p terminal 1o NOTE g Value should be tested at room temperatum io Bake Element T Reter to page 38 for disassembly 225 2 Measure the resistance after cool down Raplas nt ope metar scale Rx 1 NOTE Value should be gt tested at roam temperaturo Convection element 1 Fater to pags 3 4 tor disassembly 325 2 Measure the resistance after cool down Raplas t nt opened NOTE Value should be tested at room temperatura iio Vent motor 1 Rafar to page Nema 2 Measure the resistance after cool don Haus metar scale Rx 1 Replace opened below 5 o ate A tested at roo
33. vere personal injury death electrical shock DO NOT line the oven walls racks bottom or any other part of the oven with aluminum or any other material Doing so wil disrupt heat distribution produce poor baking results and cause permanent damage to the oven Interior aluminum fol wil melt tothe interior surface of the oven SAFETY DURING USE Oven Racks Always place oven racks in desired position while oven is cool Always use pot holders or oven mitts when removing food from the oven You can be burned because cookware and plates will bo hot Use caution with the TIMED BAKE or DELAYED TIMED BAKE features Use the automatic timer when cooking cured or frozen meats and most fruits and vegetables Foods that can easily spoll such as miik 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 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 continues throw baking soda on use a fire extinguisher DO NOT put water or flour on tho fire Flour may be explosive and water can causo a Grease firo to spread and cause personal Injury DO NOT use the broiler pan without the grid DO NOT cover the grid with aluminum foi
Download Pdf Manuals
Related Search