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LG LUTE4619SN, Service Manual

The LG LUTE4619SN Service Manual is a must-have for users seeking detailed instructions for their LG LUTE4619SN appliance. Easily accessible for download, this invaluable manual provides extensive information, troubleshooting tips, and efficient solutions – all completely free of charge. Enhance your LG experience by downloading the manual from 88.208.23.73:8080.

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•  Removing the Back Cover ............................................................................................................................................................................................. 3-2

•  Removing the Oven Relay Pcb, Power Pcb, Power Relay ............................................................................................................................................ 3-3

•  Removing the Controller ................................................................................................................................................................................................ 3-4

•  Removing the Main Pcb and Key Pcb Assembly ........................................................................................................................................................... 3-5

•  Removing Knob and Infinite Switch ............................................................................................................................................................................... 3-7

•  Removing the Ceramic Glass Cooktop, the Surface Element and The Hot Surface Lamp ........................................................................................... 3-8

•  Removing the Broil Element .........................................................................................................................................................................................3-11

•  Removing the Broil Element (For the Lower oven) ...................................................................................................................................................... 3-13

•  Removing the Exposed Bake Element (For the Upper oven only) .............................................................................................................................. 3-14

•  Removing the Convection Element, Fan Blade and Fan Motor (For the Lower oven only) ......................................................................................... 3-15

•  Removing the Oven Light & Socket Assembly (For both the Upper & Lower oven) .................................................................................................... 3-16

•  Removing the Latch Drive Assembly (For both the Upper & Lower oven) .................................................................................................................. 3-17

 

−

Door Locking Mechanism

•  Removing the Oven Temperature Sensors (For both the Upper & Lower oven temperature sensor) ......................................................................... 3-18

•  Removing & Replacing the Lift-Off Oven Door (For the Upper door) .......................................................................................................................... 3-19

•  Removing & Replacing the Lift-Off Oven Door (For the Lower door) .......................................................................................................................... 3-20

•  Removing the Upper Oven Door Handle & Glass (For the Upper door) ...................................................................................................................... 3-21

•  Reassembly the Upper Door Glass & Hinge Receptacle (For the Upper Door) .......................................................................................................... 3-23

•  Removing the Oven Door Handle & Glass (For the Lower door) ................................................................................................................................ 3-24

•  Reassembling the Lower Door Glass & Hinge Hanger (For the Lower Door) ............................................................................................................. 3-26

•  Removing the Oven Door Gasket (For the Upper & Lower door gaskets) .................................................................................................................. 3-27

•  Removing a Side Panel ............................................................................................................................................................................................... 3-28

COMPONENT TEST ............................................................................................................................................................4-1

•  Convection Motor ........................................................................................................................................................................................................... 4-1

•  Door locking Motor ......................................................................................................................................................................................................... 4-2

•  Micro Switch .................................................................................................................................................................................................................. 4-2

•  Oven Sensor .................................................................................................................................................................................................................. 4-2

•  Door switch .................................................................................................................................................................................................................... 4-3

•  Oven lamp ..................................................................................................................................................................................................................... 4-3

•  Upper oven Broil heater ................................................................................................................................................................................................. 4-3

•  Upper oven Bake heater ................................................................................................................................................................................................ 4-4

•  Lower oven Broil heater ................................................................................................................................................................................................. 4-4

•  Lower oven Conv. heater ............................................................................................................................................................................................... 4-4

•  Infinite switch (Single units): LR switch, RR switch, CR switch  .................................................................................................................................... 4-5

•  Infinite switch (Double units): LF switch ......................................................................................................................................................................... 4-6

•  Infinite switch (Triple units): RF switch ........................................................................................................................................................................... 4-8

•  Variable Thermostat : Lower oven switch .................................................................................................................................................................... 4-10

• 

Single surface units: 

Left Rear (LR) and Right Rear(RR) Element ...............................................................................................................................4-11

• 

Center Rear(CR) Element : 

Warming Zone (Plane Heater) ......................................................................................................................................... 4-12

• 

Dual surface units:

 Left Front(LF) Element .................................................................................................................................................................. 4-13

• 

Triple surface unit: 

Right Front(RF) Element ............................................................................................................................................................... 4-14

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Summary of Contents for LUTE4619SN

Page 1: ...imile or other electronic means publication modification copying or transmission of this Service 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 2017 LG Electronics ...

Page 2: ... Center or your dealer If the 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 back side of rear panel The power supply of the appliance should be turned off when it is being repaired DISCONNECT power supply cord from the outlet before servicing Rep...

Page 3: ...rn On Off the Oven Light Timer On Off Setting 1 Hour Mode 2 Convection Auto Conversion 3 Adjusting the Oven Temperature 4 Preheating Alarm Light On Off 5 Beeper Volume 6 Temperature Unit or 7 Hour Mode 8 Adjusting Cooktop On Alert Volume Timed Cook Delayed Timed Cook For the Upper Lower Bake Lower CONV Bake Roast Broil For both the Upper Lower oven Convection Bake For the Lower oven only Convectio...

Page 4: ...the Lift Off Oven Door For the Lower door 3 20 Removing the Upper Oven Door Handle Glass For the Upper door 3 21 Reassembly the Upper Door Glass Hinge Receptacle For the Upper Door 3 23 Removing the Oven Door Handle Glass For the Lower door 3 24 Reassembling the Lower Door Glass Hinge Hanger For the Lower Door 3 26 Removing the Oven Door Gasket For the Upper Lower door gaskets 3 27 Removing a Side...

Page 5: ...B 6 3 Oven Relay PCB 6 4 SMPS PCB 6 5 Touch PCB 6 5 Encoder PCB 6 6 Wi Fi PCB 6 6 Buzzer PCB 6 6 Metal Touch System PCB 6 6 SERVICE TEST MODE 7 1 Sequence of SVC Test Mode 7 1 TROUBLESHOOTING 8 1 Check the Failure Code 8 1 Failure Code Summary 8 2 Checking Flow Chart by Failure 8 3 Power Failed Dead No display 8 4 Oven does NOT heat F9 F19 8 8 Door Lock System Failure F10 or F20 8 12 Sensing Fail ...

Page 6: ...ay from the wall for cleaning service or any other reason ensure that the Anti Tip Device is properly reengaged when the range is pushed back against the wall DISCONNECT power supply cord from the outlet before servicing 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 heating ...

Page 7: ...present and you can cut yourself Be careful not to bend the fan blade Failure to do so can result in vibration noise and poor performance of convection when operating Be careful not to scratch or chip the oven liner paint when you remove the oven light socket in the next step Turn power OFF before removing the Warming Drawer Be careful when removing and lifting the door DO NOT lift the door by the...

Page 8: ...ORTANT SAFETY INSTRUCTIONS Be sure your appliance is properly installed and grounded by a qualified technician Do not repair or replace any part of the appliance unless specifically recommended in the manual All other servicing should be referred to a qualified technician Always disconnect power to appliance before servicing by removing the fuse or switching off the circuit breaker WARNING DO NOT ...

Page 9: ...ing the grease kettle or disposing of hot grease IMPORTANT SAFETY INSTRUCTIONS GENERAL WARNING DISCONNECT power supply cord from the outlet before servicing 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 SURFACE COOKING UNITS Use Proper Pan Size This appliance is equipped with one or more...

Page 10: ...1 5 Model Serial Number Label and Tech Sheet Locations GENERAL The Model Serial Number label and Tech Sheet locations are shown below Model Serial Number Location Tech Sheet Location ...

Page 11: ...Yes Audible preheat signal Yes Special function Setting 8 categories 1 Change hour mode on Clock 2 Convection Auto Conversion On Off 3 Lower oven Temp Adjust 4 Upper oven Temp Adjust 5 Preheat alarm light On Off 6 Beeper volume High Low Mute 7 Select Fahrenheit or Celsius temperature 8 Adjust Cooktop On Alert Volume Cooktop Material STS of element 5 Power LR 8 1800 RR 6 1200 W CR 7 100 W LF 8 2600...

Page 12: ... 4 Lower Interior oven light 1 Upper 1 Lower Proof Yes Lower Warm Yes Lower Broiler pan No Kids meal No Sabbath mode No Dimensions inch Upper oven Interior WxHxD 24 13 16 x 10 13 16 x 20 Lower oven Interior WxHxD 24 13 16 x 14 1 4 x 20 Exterior Width 29 7 8 Exterior Height 36 Cooktop 37 7 8 Back Guard Exterior Depth 26 9 16 Door 28 15 16 Handle Net weight Lbs kg 188 7 lb 85 6 kg Power Rating 15 5 ...

Page 13: ... 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 Upper oven Broil element Lower oven Broil element Convection Bake Roast Mode For the Lower oven only Upper element rear element and fan operate during convection bake Convection bake should be used for cooking casseroles and roasting meats Oven should ...

Page 14: ...rol Left Rear Element C OVAL CONTROL KNOB Use to control Center Rear Element D RIGHT REAR CONTROL KNOB Use to control Right Rear Element E RIGHT FRONT CONTROL KNOB Use to control Right Front Element F OVEN MODE KNOB Turn the knob to select oven operating mode G OVEN CONTROL Use to control Oven A B C G F D E SINGLE BRIDGE BRIDGE SINGLE TRIPLE WARM ZONE ...

Page 15: ...is turned off and until the surface has cooled to approximately 150 F CAUTION It is normal for the surface elements to cycle on and off during cooking even on higher settings This will happen more frequently if cooking on a lower temperature setting Using the Cooktop Elements CAUTION Only use cookware and dishes that are safe for oven and cooktop use Always use oven mitts when removing food from t...

Page 16: ...d be kept in its container or covered with a lid or aluminum foil to maintain food quality The warmer will not glow red like the other cooking elements Turning on the Bridge Element There is one dual element located in the left front position Use the dual element as a single or bridge element The bridge element heats the front single element and the area between the 2 left single elements 1 Push i...

Page 17: ...e 8 5 Hi Bring liquid to a boil Start cooking 5 5 8 0 Hold a rapid boil frying deep fat fry Quickly brown or sear food 3 5 5 0 Maintain a slow boil Fry or saute foods Cook soups sauces and gravies 2 2 3 0 Stew or steam food Simmer Lo 2 0 Keep food warm Melt chocolate or butter Simmer ...

Page 18: ...g cooking 5 Timer On Off Wi Fi Press the button to set or cancel automatic timer Press and hold button for three seconds to connect to Wi Fi network 6 Press the plus button to increase cooking time or oven temperature Press the minus button to decrease cooking time or oven temperature 7 START Oven Light Press the button to start all oven features Press the button to manually turn the oven light on...

Page 19: ...ds 2 Press plus or minus to set the desired hour mode on the clock 3 Press Start to accept the desired change 2 Convection Auto Conversion 1 Press and Hold the Start Time for three seconds Then press Start Time repeatedly until Auto appears in the display 2 Press plus or minus to enable or disable the feature 3 Press Start to accept the change 3 Adjusting the Oven Temperature The oven temperature ...

Page 20: ...he Start Time for three seconds 2 Press plus or minus to set the desired hour mode on the clock 3 Press plus or minus to set the desired hour mode on the clock 4 Press Start to accept the change 8 Adjusting Cooktop On Alert Volume 1 Press and hold Start Time for 3 seconds Then press Start Time repeatedly until CtOP appears in the display 2 Press plus or minus to select Hi Lo Off 3 Press Start to a...

Page 21: ...oven The Self Clean function has cycle times of 3 4 or 5 hours 1 Remove all racks and accessories from the oven 2 Turn the oven mode knob to select Self Clean The oven defaults to the recommended four hour self clean for a moderately soiled oven Press plus or minus repeatedly to cycle through self clean times in the upper or lower oven Both ovens cannot use the self clean function at the same time...

Page 22: ...l Heater Surface Elements Lower Door Latch Assembly Convection Heater Hinge Hanger Oven Sensor Oven Sensor Oven Light Door Locking Motor Micro Switch Convection Motor Lower Broil Heater Lower Bake Heater Upper Door Switch Regulator Lower Door Switch Upper Door Latch Assembly Hinge Hanger Oven Light Neon Lamp Door Locking Motor Micro Switch Component Locations ...

Page 23: ...nding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the electric range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply going to the range 2 Pull the range away from the wall so that you can access the rear panel 3 To remove the back cover remove 3 screws f...

Page 24: ... and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the electric range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply going to the range 2 Pull the range away from the wall so that you can access the rear pane...

Page 25: ...vicing 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 CAUTION Be careful when you work on the electric range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply going to the range 2 Open the oven door 3 Remove the 2 screws loca...

Page 26: ...t in severe personal injury death or electrical shock CAUTION Be careful when you work on the electric range handling the sheet metal part Sharp edge may be present and you can cut yourself After complete separation of the Controller from the product please removed the PCB Assembly 1 Turn off the electrical supply going to the range 2 Pull the controller from the range See page 3 4 3 To remove the...

Page 27: ...e 7 screws of the Main PCB supporter Buzzer PCB Touch Bridge PCB Key PCB Encoder PCB Wi fi PCB REASSEMBLY NOTE When you reinstall the Key PCB Assembly make sure that the upper brackets of it are inserted into the correct guide then reinstall the lower bracket screw ...

Page 28: ...e are 5 Infinite switches When you check Infinite switches firstly check the electric test each other 4 To remove the Infinite switch ex RF switch a Disconnect the all wire to fault Infinite switch b Pull out a knob from the Infinite switch shaft c Remove the 2 screw of Knob Housing d Remove the 2 screw on the controller e After replacing the infinite switch finally check the electric and wiring P...

Page 29: ...g RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electrical shock CAUTION Be careful when you work on the electric range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply going to the range 2 Pull the range away from the wall so that you can access the rear panel 3 Pull the controller fr...

Page 30: ...sult in severe personal injury death or electrical shock CAUTION Be careful when you work on the electric range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply going to the range 2 Pull the range away from the wall so that you can access the rear panel 3 Open the oven door 4 Pull the controller from the range See page 3 4 5 Remove t...

Page 31: ...chet extension or a small socket and tap it out of the hole with a hammer e Remove the door latch from the burner box and unhook the actuating rod Unhook Actuating Rod 7 To remove the thermal disk remove the 1 screw and remove the connector The thermostat is located on the cavity cover It opens at 356 F 180 C and closes when the oven temperature cools below 14 F 10 C ...

Page 32: ... all grounding devices Failure to do so can result in severe personal injury death or electric shock CAUTION Use caution when handling sheet metal parts while servicing the range Some parts may have sharp edges which could result in injury 1 Turn off the electrical supply going to the range 2 remove the back cover cooktop plate manifold panel and cooling fan see page 3 2 3 4 3 8 and 3 9 for the pr...

Page 33: ...3 12 COMPONENT ACCESS 7 Remove 2 screws and heater cover mesh 2 Screws Heater cover 8 Pull up the broil heater and remove from the Spring Broil heater Spring ...

Page 34: ... all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electric shock CAUTION Use caution when handling sheet metal parts while servicing the range Some parts may have sharp edges which could result in injury 1 Turn off the electrical supply going to the range 2 Open the oven door and remove the racks from inside the ov...

Page 35: ... parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electric shock CAUTION Use caution when handling sheet metal parts while servicing the range Some parts may have sharp edges which could result in injury 1 Turn off the electrical supply going to the range 2 Open the oven door and remove the racks from inside the oven 3 Remove the...

Page 36: ... aside 6 Remove the two convection element screws and pull the element forward 7 To remove Fan blade remove nut by screwing clockwise fan blade can be replaced from inside oven CAUTION Be careful not to bend the fan blade Doing so can result in vibration noise and poor performance of convection when operating 8 To remove fan motor assembly disconnect wire connection and remove the three bracket sc...

Page 37: ...cket Clips 5 Disconnect the wires from the socket terminals Viewed From Rear Panel WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electric shock CAUTION Use caution when handling sheet metal parts while servicing the range Some parts ma...

Page 38: ...e drops to approximately 500F after end of the self clean or lock out feature is reactivated The motor operates to unlock door at that time WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electric shock CAUTION Use caution when handling ...

Page 39: ...er Lower oven Sensor connector 5 To remove an oven temperature sensor disconnect the connector from the main harness and remove the mounting screw in oven cavity Screws Main Oven Sensor WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or ele...

Page 40: ...Fully open the door 4 Push the hinge locks down onto the door frame 5 Close the oven door CAUTION Be careful when removing and lifting the door DO NOT lift the door by the handle The door is very heavy UPPER OVEN To remove the door 1 Fully open the door 2 Lift up and rotate the hinge locks toward the oven frame until they stop 3 Close the door to 30 degrees you will feel the door stop The hinge lo...

Page 41: ...locks rotating them back toward the slots in the oven frame until they lock Hinge arm Hinge lock 5 Close the oven door CAUTION Be careful when removing and lifting the door DO NOT lift the door by the handle Doing so can result in personal injury as the door is very heavy LOWER OVEN To remove the door 1 Fully open the door 2 Unlock the hinge locks rotating them as far toward the open door frame as...

Page 42: ... outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electric shock CAUTION Use caution when handling sheet metal parts while servicing the range Some parts may have sharp edges which could result in injury 1 Remove the oven door from the range see page 3 19 for the procedure 2 Place th...

Page 43: ...inge receptacle assembly and glass a Remove the 4 top liner screws b Place the door liner assembly on a padded work surface with the hinge receptacles over the edge c Lift the hinge receptacle out of the door liner slot Hinges on both side d Lift the inner glass and bracket out of the inner cover Inner cover ...

Page 44: ...stall the Insulation around the oven door glass make sure that the insulation is not visible in the glass after the door is reassembled RESSEMBLY METHOD OF HINGE RECEPTACLE 1 Cover the inner cover with the door frame 2 Pull up the bottom of the hinge receptacle to align the hole with the hole in the frame then insert and tighten the bottom screw 3 Move the inner cover and pull the top of the hinge...

Page 45: ...Screws WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electric shock CAUTION Use caution when handling sheet metal parts while servicing the range Some parts may have sharp edges which could result in injury 1 Remove the oven door from ...

Page 46: ...ng up same as Step 2 b Remove the 2 bottom liner screws c Remove the 2 top liner screws 2 top liner screws Door frame Hinge hangers assembly 2 bottom liner screws d Lift the door frame out of the inner cover e Remove the hinge hanger assembly and lift the inner glass and bracket out of the inner cover Inner oven door glass and bracket Inner cover ...

Page 47: ...l the Insulation around the oven door glass make sure that the insulation is not visible in the glass after the door is reassembled RESSEMBLY METHOD OF HINGE HANGER 1 Cover the inner cover with door frame 2 Screw in the 2 top liner screws 2 top liner screws 3 Place the door liner assembly on a padded work surface with the hinge hangers over the edge 4 Screw in the 2 bottom liner screws ...

Page 48: ...push the gasket ends into the holes WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to do so can result in severe personal injury death or electric shock CAUTION Use caution when handling sheet metal parts while servicing the range Some parts may have sharp edges which could result in injury...

Page 49: ...result in severe personal injury death or electrical shock CAUTION Be careful when you work on the electric range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply going to the range 2 Remove the oven door from the range z see page 3 21 and 3 22 for the procedure 3 Pull the range away from the wall so you can access the back of the un...

Page 50: ...3 29 COMPONENT ACCESS 8 Pull the back of the side panel out from the range approximately 10 9 Push forward and remove the side panel ...

Page 51: ...s failed terminals or wires not pressed into connectors far enough 3 Resistance checks must be made with the power cord unplugged from the outlet and with the wiring harness or connectors disconnected Components Test procedures Results Convection Motor 1 Refer to page 3 15 for the servicing procedure 2 Measure the resistance Multiple meter scale R x 1 Normal Approximately Low COM 30 Ω High COM 23 ...

Page 52: ...ow 2Ω Normal Infinite ON position Unlock position OFF position Lock position NOTE The Micro switch will be held for 13 seconds during lock or unlock Oven Sensor 1 Refer to page 3 18 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x 1000 Normal Approximately 1 09 kΩ 10 If not replace NOTE Ω Value was tested at room temperature 77 F 25 C NOTE Oven senso...

Page 53: ...Door closed Continuity Infinite Oven lamp 1 Measure the resistance after cooling down Multiple meter scale R x1 Normal Below 5 Ω If not replace Upper oven Broil heater 1 Remove wire leads 2 Measure resistance after cooling down Normal Approximately 28 Ω Abnomal Infinite opened NOTE Ω Value was tested at room temperature 77 F 25 C Be careful The element is sensitive to temperature ...

Page 54: ...Lower oven Broil heater 1 Remove wire leads 2 Measure resistance after cooling down Normal Approximately 14 7 Ω Abnomal Infinite opened NOTE Ω Value was tested at room temperature 77 F 25 C Be careful the element is sensitive to temperature Lower oven Conv heater 1 Remove wire leads 2 Measure resistance after cooling down Normal Approximately 24 Ω Abnomal Infinite opened NOTE Ω Value was tested at...

Page 55: ...ite switch 4 When turn on turn off the knob position measure the resistance between P2 to 4 and P2 to PILOT 5 When turn on turn off the knob position measure the resistance between P1 to 2 Infinite Switch Knob Position Results Single type LR CR RR Off P2 4 Infinite open circuit P2 PILOT Infinite open circuit P1 2 Infinite open circuit On P2 4 Continuity short circuit P2 PILOT Continuity short circ...

Page 56: ...1000 3 Disconnect all wires from infinite switch 4 Push in and turn left knob to check the single type 5 When turn on turn off the knob position measure the resistance between P1 to 2 4 P1 4a S1 S2 P2 P1 4 4a S1 S2 P2 6 When turn on turn off the knob position measure the resistance between P2 to 4 and P2 to 4a 4 P1 4a S1 S2 P2 P1 4 4a S1 S2 P2 4 P1 4a S1 S2 P2 P1 4 4a S1 S2 P2 ...

Page 57: ...l type single LF Off P1 2 Infinite open circuit P2 4 Infinite open circuit P2 4a Infinite open circuit S1 S2 Infinite open circuit On P1 2 Continuity short circuit P2 4 Continuity short circuit P2 4a Infinite open circuit S1 S2 Continuity short circuit Dual type dual LF Off P1 2 Infinite open circuit P2 4 Infinite open circuit P2 4a Infinite open circuit S1 S2 Infinite open circuit On P1 2 Continu...

Page 58: ... x 1000 3 Disconnect all wires from infinite switch 4 Push in and turn left knob to check the single type 5 When turn on turn off the knob position measure the resistance between P1 to 2 P1 S2 2 P1 P2 P2 S2 2 4 4a S1 4 4a 4b 4b S1 6 When turn on turn off the knob position measure the resistance between P2 to 4 P1 S2 2 P1 P2 P2 S2 2 4 4a S1 4 4a 4b 4b S1 P1 S2 2 P1 P2 P2 S2 2 4 4a S1 4 4a 4b 4b S1 ...

Page 59: ... S2 2 4 4a S1 4 4a 4b 4b S1 8 When turn on turn off the knob position measure the resistance between P2 to 4b P1 S2 2 P1 P2 P2 S2 2 4 4a S1 4 4a 4b 4b S1 9 After check the single type check the dual type at the same procedure Infinite Switch Knob Position Results Triple type LF OFF P2 4b Infinite open circuit ON P2 4b Continuity short circuit Others are same as dual circuits ...

Page 60: ...e knob position measure the resistance between L1 to H NOTE Ω Value was tested at room temperature 75F 24 C L1 T2 T3 H 5 When turn on turn off the knob position measure the resistance between T2 to T3 L1 T2 T3 H 6 After check the single type check the dual type at the same procedure Knob Position Results Variable Thermostat OFF L1 H Infinite open circuit T2 T3 Infinite open circuit ON L1 H Continu...

Page 61: ...t leads to the element terminal and 1A The meter should indicate 46 Ω 10 Element terminal Element terminal 1A Normal Approximately 46 Ω If not replace 5 Touch the ohmmeter test leads to limiter terminals 1B and 2B With the temperature below 150 F the meter should indicate an open circuit infinite With the temperature above 150 F the meter should indicate continuity 0Ω terminal terminal 1B 2B Below...

Page 62: ...hmmeter test leads to the element terminal E1 and E2 The meter should indicate 570Ω 10 1A 2A 1E 2E Normal Approximately 570 Ω If not replace 5 Touch the ohmmeter test leads to limiter terminals 1A and 2A With the temperature below 150 F the meter should indicate an open circuit infinite With the temperature above 150 F the meter should indicate continuity 0Ω Below 150 F M open circuit infinite Abo...

Page 63: ...ter test leads to the E1 1A and E2 1A the meter should indicate E1 1A M 40 Ω 10 E2 1A M 35 Ω 10 Normal Approximately 38 Ω Normal Approximately 30 Ω 5 Touch the ohmmeter test leads to limiter terminals 1B and 2B With the temperature below 150 F the meter should indicate an open circuit infinite With the temperature above 150 F the meter should indicate continuity 0 Ω Below 150 F M open circuit infi...

Page 64: ...from cook top elements 4 Touch the ohmmeter test leads to the E1 1A and E2 1A and E3 1A The meter should indicate E3 1A M 70 5 Ω 10 E2 1A M 50 0 Ω 10 E1 1A M 49 5 Ω 10 Normal Approximately 67 Ω Normal Approximately 48 5 Ω Normal Approximately 50 Ω 5 Touch the ohmmeter test leads to limiter terminals 1A and 2A The meter should indicate continuity 0Ω Normal continuity below 0 5 Ω If not replace ...

Page 65: ...6 Touch the ohmmeter test leads to limiter terminals 1B and 2B With the temperature below 150 F the meter should indicate an open circuit infinite With the temperature above 150 F the meter should indicate continuity 0Ω Below 150 F M open circuit infinite Above 150 F M continuity 0 Ω ...

Page 66: ...IAGRAM WARNING POWER MUST BE DISCONNECTED BEFORE SERVICING THE APPLIANCE FAILURE TO DO SO CAN RESULT IN DEATH OR ELECTRICAL SHOCK NOTE Schematic diagram shows oven door opened and unlocked All elements are set to OFF ...

Page 67: ...ven circuit 1 Check the line voltage household 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 Lower BAKE CONV BAKE CONV ROAST Upper Selfclean ...

Page 68: ...5 3 Lower Selfclean Oven Lamp Bridge Cook top Element CR Cook top Element ...

Page 69: ...5 4 RR Cook top Element RF Cook top Element Upper BROIL EASY Clean Lower Broil ...

Page 70: ...5 5 Upper BAKE WARM Clock Display On ...

Page 71: ...6 1 COMPOSITION OF CONTROL Wiring Diagram ...

Page 72: ...f control Front Back Main PCB P N EBR81445903 Encoder PCB P N EBR80327001 Relay PCB P N EBR80595411 Buzzer PCB P N EBR76332902 SMPS PCB P N EBR80595701 Wi Fi PCB P N EBR82056903 Touch PCB P N EBR82864102 Metal Touch System PCB P N EBR82864201 ...

Page 73: ...6 3 COMPOSITION OF CONTROL Main PCB P N EBR81445903 CN40 CN52 CN64 CN03 CN60 CN63 CN53 CN21 CN50 CN51 CN41 CN61 ...

Page 74: ...6 4 COMPOSITION OF CONTROL P N EBR80595411 Oven Relay PCB CN53 CN52 CN51 ...

Page 75: ...6 5 COMPOSITION OF CONTROL SMPS PCB Touch PCB P N EBR80595701 P N EBR82864102 CN02 CN01 CN1 ...

Page 76: ...6 6 COMPOSITION OF CONTROL P N EBR80327001 P N EBR82056903 P N EBR76332902 P N EBR82864201 Encoder PCB Wi Fi PCB Buzzer PCB Metal Touch System PCB CN41 CON1 CN2 CN1 ...

Page 77: ...Lower CLEAR OFF key 2 Press the button in the following order Upper CLEAR OFF START Oven Light hold for 3 seconds Error code 3 Press the START Oven Light button again Model Option Software version 4 Select the t0 by press the button 5 Press the START button Only software version is displayed at the right digits ...

Page 78: ...formation is displayed 7 Whenever you input the START button the relay operation sequence should be as seen below Relay Operation Sequence Lamp Lock Motor Bake Broil DLB RY 4 RY 3 RY 5 RY 6 RY 7 Lock Motor RY 10 Low C Fan RY 9 High C Fan RY 8 Conv Heater RY 11 Broil RY 12 DLB RY 13 Upper Oven Lower Oven 1 2 3 4 5 6 7 8 9 10 11 12 Step ...

Page 79: ...7 3 Basic Check Summary SERVICE TEST MODE Symtom Oven hot Symtom no heating Symtom Oven lamp not opertating Symtom Seonsor error or no heating Symtom Door lock fail Symtom Shorted probe sensor ...

Page 80: ... 1 Press the Upper or Lower CLEAR OFF key 2 Press the button in the following order Upper CLEAR OFF START Oven Light hold for 3 seconds If the oven has a malfunction the Oven will show the failure Code like FIG 1 Type of F Code Time of the failure occurrence FIG 1 If the oven does not have any failure the Oven will look like FIG 2 Time of the failure occurrence Type of F Code FIG 2 NOTE After chec...

Page 81: ...The oven temperature is over 650 continuously for 2 minutes during cooking except self cleaning Oven Sensor F18 Probe short Lower oven probe is shorted 1 Wiring 2 Probe 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 temperature does not go up more than 10 compared with the starting temperatu...

Page 82: ...y Failure Symptom Check Point 1 Power Failure Dead 2 No Display 1 Check Electrical Wiring 2 Check the SMPS PCB Input Voltage with CN01 Main PCB CN03 CN02 SMPS PCB CN01 Thermostat WH RD Pin No 1 3 4 7 6 7 Vf 4 3V 33V 12V Voltage CN01 CN02 CN03 ...

Page 83: ...t If defective harness replace or fix 1 No Yes Check the connection of Power Cord Normal Reconnect If defective harness replace or fix 2 3 Check the AC input of SMPS PCB SMPS PCB CN01 Pin 1 and 3 120V AC No Yes Go to 7 On the next Page 4 No Yes Check the connection of L1 and N at Terminal block Normal Reconnect 5 No Yes Check the Thermostat Normal Short Abnormal Open Normal Replace the Thermostat ...

Page 84: ...ing states between CN02 of SMPS PCB and CN03 of Main PCB Is it OK No Yes Replace the Main PCB 7 Reconnect If defective harness replace or fix If the same phenomenon occurs even though after fixed connection you should replace the Main PCB ...

Page 85: ...1 No heating 2 F9 F19 1 Check Electrical Wiring 2 Check Heater s Resistance 3 Check the Sensor A G H F J E I B C D Ⓑ Ⓐ Ⓖ Ⓒ Ⓓ Ⓔ Ⓕ Ⓗ Ⓘ Ⓙ RY5 Bake Heater Upper Broil Heater Upper Conv Heater Lower RY6 RY12 RY11 Broil Heater Lower RY7 RY13 L1 L2 ...

Page 86: ...8 7 TROUBLESHOOTING Symptom Check Point 1 No heating 2 F9 F19 1 Check Electrical Wiring 2 Check Heater s Resistance 3 Check the Sensor CN61 CN60 ...

Page 87: ...BLESHOOTING Oven does NOT heat F9 F19 Replace the Failed heater Unplug the unit Is the connection of heater normal Measure the resistance of each heater The resistance is shown below 2 No Reconnect If defective harness Replace or fix Yes CN51 Main PCB Relay PCB CN51 Upper Broil Upper Bake Lower Broil Conv heater All Taps Upper Broil Upper Bake Lower Broil Conv heater ...

Page 88: ...g order START Oven Light START Oven Light hold for 3 seconds 3 Press the START Oven Light button again 4 Select the t3 by press the button and press the START Oven Light button Normal Thermistor value at room temp is from 70 to 90 No 3 Yes Replace the defective Thermistor Is the resistance of thermistor normal Check Pins 4 and 5 of CN60 and pins 5 and 6 of CN61 in main PCB Normal approximately 1 0...

Page 89: ...8 10 TROUBLESHOOTING Symptom Check Point 1 Door Lock System Failure 2 F10 F20 1 Check the Electrical wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Door Lock Relay CN60 CN61 ...

Page 90: ...8 11 TROUBLESHOOTING Symptom Check Point 1 Door Lock System Failure 2 F10 F20 1 Check the Electrical wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Door Lock Relay ...

Page 91: ...tch 4 Electric wiring of CN60 and CN61 of Main PCB No 2 Yes Go to No 2 Check the operation of door lock motor Press Lower Clear Off button for 3 seconds and try to open the door Does the door open Door lock icon turns on No 1 Yes Note Just after self clean start the door lock motor starts to rotate During this time if the door lock switch does NOT operate properly after rotating twice then supervi...

Page 92: ...he resistance of the lock motor normal measure the resistance of lock motor Normal approximately 2 6kΩ Abnormal infinite or below 5 Ω No No Replace the micro switch Replace the lock motor 3 4 Yes Yes Abnormal Normal Replace the Relay PCB If the same phenomenon occurs even though after replace Relay PCB you should replace the Main PCB ...

Page 93: ...8 14 TROUBLESHOOTING Symptom Check Point 1 Sensing Fail 2 F1 F4 3 F2 F5 1 Check the Electric Wiring 2 Check the Test Mode 3 Check the Sensor s Resistance CN61 CN60 ...

Page 94: ...stor normal Check Pins 4 and 5 of CN60 and pins 5 and 6 of CN61 in main PCB Normal approximately 1 09kΩ at 75ºF 25ºC Yes 2 No Reconnect or adjust the connection Is the Connector disconnected or loose 1 Sensor connection 2 CN60 and CN61 of Main PCB No 1 Yes Upper Sensor connection Lower Sensor connection CN60 CN61 CN61 CN60 ...

Page 95: ...ess the Upper or Lower CLEAR OFF key 2 Press the button in the following order START Oven Light START Oven Light hold for 3 seconds 3 Press the START Oven Light button again 4 Select the t3 by press the button and press the START Oven Light button Normal Thermistor value at room temp is from 70 to 90 No 3 Yes Current Oven Temp Replace the Main PCB 4 ...

Page 96: ...int 1 Oven hot 2 F6 F16 1 Check the Resistance of the Relay 2 Check the Sensor s Resistance A G H F J E I B C D Ⓑ Ⓐ Ⓖ Ⓒ Ⓓ Ⓔ Ⓕ Ⓗ Ⓘ Ⓙ RY5 Bake Heater Upper Broil Heater Upper Conv Heater Lower RY6 RY12 RY11 Broil Heater Lower RY7 RY13 L1 L2 ...

Page 97: ...8 18 TROUBLESHOOTING Symptom Check Point 1 Oven hot 2 F6 F16 1 Check the Resistance of the Relay 2 Check the Sensor s Resistance CN61 CN60 ...

Page 98: ... No Replace the defective Thermistor Is the resistance of thermistor normal Check Pins 4 and 5 of CN60 and pins 5 and 6 of CN61 in main PCB Normal approximately 1 09kΩ at 75ºF 25ºC Yes 1 No Upper Bake Heater Relay Tab 01 and Tab 11 RY5 Upper Broil Heater Relay Tab 01 and Tab 12 RY6 Convection Heater Relay Tab 02 and Tab 21 RY11 Lower Broil Heater Relay Tab 02 and Tab 22 RY12 CN61 CN60 ...

Page 99: ...er START Oven Light START Oven Light hold for 3 seconds 3 Press the START Oven Light button again 4 Select the t3 by press the button and press the START Oven Light button Normal Thermistor value at room temp is from 70 to 90 4 Yes Replace the Relay PCB Is the DLB relay normal Measure the resistance Normal infinite Abnormal shorted Yes 3 No Current Oven Temp Lower DLB Relay Upper DLB Relay Tab 13 ...

Page 100: ...8 21 TROUBLESHOOTING Symptom Check Point 1 Key not working 2 F3 Error 1 Check the Door Locking System 2 Check the Electric Wiring CN1 CN1 CN53 CN2 ...

Page 101: ...econds 3 Press the START Oven Light button again 4 Select the t3 by press the button and press the START Oven Light button 5 Check the button Refer to the next page appendix No 2 If button is not operated Replace the Main PCB 3 F3 error Button short error Or button does not input Unplug the unit Plug in the unit Reconnect or adjust the connection Check the connecting states between Touch PCB and C...

Page 102: ...beep sound when key 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 Cook time 2nd 9th Lower CLEAR OFF 1st 8th ...

Page 103: ...CONTROLLER PARTS 9504 9506 5080 5532 8511 W229 9381 W229 9381 EXPLODED VIEW EV INTRODUCTION MODEL Customer Model Product Code SVC Model ...

Page 104: ...UPPER DOOR PARTS EV 1021 1009 170R 1035 1035 170L 1015 1020 173U 173U 1008 102S 102S 102L W243 1000 W222 1801 ...

Page 105: ...LOWER DOOR PARTS EV 1041 1009 1115 1120 102L 1018 173L 102U W243 W222 W222 1100 1704 1704 102L 173L 102U W101 W101 1801 ...

Page 106: ...CONTROLLER PARTS EV 5206 2001 2402 2053 260K 2015 2002 208C 208C 208C 244D 244P 244P 2037 2090 260B 2050 2006 2054 208C 208C 208C 244C 2374 244P 244T ...

Page 107: ...COOKTOP PARTS EV 330M 3204 3204 3204 3204 3204 3215 3056 3079 3022 330H 330S 5700 3014 3016 ...

Page 108: ...AVITY PARTS EV 5501 3099 5063 5504 5504 546L 5535 5535 546R 5516 5078 W222 W222 5515 5021 5541 3032 3206 3222 3207 3901 3130 W291 3208 5006 5511 4002 5078 3205 5539 5502 5016 3006 5537 5032 W291 W291 W291 5019 ...

Page 109: ...5016 5408 5509 5531 5511 5063 5512 5512 4002 5505 5505 6000 8508 8508 W291 W291 W291 5521 3501 6008 6008 3090 5073 5073 W230 W230 5518 5019 5510 3057 5037 5409 5039 5405 W129 5401 5407 5406 W233 W232 5506 5556 5516 5021 5510 3057 5503 3511 5014 3063 ...

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