LG LDG3015SB Service Manual Download Page 29

Page: 29 / 84

3-16

COMPONENT ACCESS

REMOVING THE LA

TCH DRIVE ASSEMBL

(For the Lower oven only)

1. Turn off the electrical supply and gas supply

going to the range.

2. Pull the range away from the wall so that you can

access the rear panel.

3. Remove the rear back cover (see step 5 on

page 3-2).

4. Disconnect the wires from the latch drive motor

and switch.

5. Remove the 2 mounting screws from the latch

drive.

6. Remove the 3 mounting screws from the latch drive.

7. Unhook the Latch rod from the cam.

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.

CAUTION

• Be careful when you work on the

gas range handling the sheet metal
part.

- Sharp edge may be present and you can cut

yourself.

2 screws

3 screws

Summary of Contents for LDG3015SB

Page 1: ...ERVICE MANUAL MODEL LDG3015ST LDG3015SB LDG3015SW CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com P NO MFL63290106 January 2011 Printed in Korea 삼 흥 정 판 Internal Use Only ...

Page 2: ...wer door right side The power supply of the appliance should be turned off when it is being repaired FORWARD LG Electronices assumes no responsibility for any repairs made on our products by anyone other than Authorized Service Technicians WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to d...

Page 3: ...oard PCB 3 3 Removing the Cooktop Plate 3 4 Removing the Case assembly Cooktop Burner assembly 3 5 Removing the Cooktop Parts 3 6 3 7 Removing the Door Latch and the Upper Door Switch 3 8 Removing the Door Latch and Lower Door Switch 3 9 3 10 Removing the BROIL Burner assembly 3 11 Oven Bottom the Frame guide and the Upper Bake Burner assembly 3 12 Oven Bottom the Frame guide and the Lower Bake Bu...

Page 4: ...HROUGH SCHEMATIC 7 1 CHECK THE FAILURE CODE F code 8 1 SAFTY CAUTION ERROR CODE SUMMARY 9 1 CHECKING FLOW CHART BY FAILURE 10 1 10 23 No display No power 10 2 10 4 Oven does not heat including F 9 F 19 Error 10 5 10 9 Door lock system error F 10 F 20 Error 10 10 10 13 Oven sensing error F 1 F 2 F 3 F 4 error 10 14 10 16 Oven hot error F 6 F 16 error 10 17 10 18 No key input Or F 3 10 19 TROUBLE SH...

Page 5: ...e 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 burners grates or interior surfaces of oven Heating element may be hot even though they are off Interior surfaces of an oven become hot enough to cause burns During and after use do not touch or let clot...

Page 6: ... appliance may become hot enough to cause burns among these surfaces are oven vent openings and surfaces near these openings oven doors and windows of oven doors WARNING DO NOT store items of interest to children in cabinets above a range or on the back guard of a range Children climbing on the range to reach items could be seriously injured WARNING ALL RANGES CAN TIP INJURY TO PERSONS COULD RESUL...

Page 7: ... at the OFF position and all grates are cool before attempting to remove them IMPOR IMPORT TANT SAFETY INSTRUCTIONS ANT SAFETY INSTRUCTIONS SELF CLEAN OVENS Do Not Clean Door Gasket The door gasket is essential for a good seal Care should be taken not to 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 ...

Page 8: ...own below Nameplate is located on reverse of control panel Flip up to read nameplate from front of range Model Serial Number Location MODEL SERIAL NUMBER LABEL MODEL SERIAL NUMBER LABEL AND TECH SHEET LOCA AND TECH SHEET LOCATIONS TIONS Tech Sheet Location On Low Rear Cover ...

Page 9: ... Proof Cook warm Favorites Door lock out Broiler pan Upper Oven Interior W x H x D Lower Oven Interior W x H x D Exterior Width Exterior Height Exterior Depth Net weight lbs kg Rating 30 Freestanding STS Black White Push button key pad Knob LED Green Yes Yes Yes 1 Thermostat Adjustment 2 Preheating Alarm Light On Off 3 Beeper Volume High Low Off 4 Temperature unit F C 5 Clock 12hr 24hr Enamel 5 5 ...

Page 10: ...ods which are normally baked Oven must be preheated Broil Mode For the Upper oven only Broil burner operates during broil mode 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 Cooking Guide Refer to the owners manual for recommendations of times and temperatur...

Page 11: ... To proof a piece of bread 11 WARM Use to warm food in the oven 12 LOWER LIGHT Turn on off lower oven light 13 LOWER SELF CLEAN Use the SELF CLEAN function of the UPPER OVEN to clean the inside of the LOWER OVEN automatically 14 LOWER TIMER ON OFF Use to set or cancel the timer function of LOWER OVEN 15 LOWER CLEAR OFF Use to stop cooking or cancel the setting in LOWER OVEN Common function 16 CLOC...

Page 12: ... ON when the door is opened The oven light may also be manually turned ON or OFF by press the OVEN LIGHT pad NOTE The oven light cannot be turned on if self clean feature is active 5 TIMER ON OFF To cancel timer at any time touch TIMER ON OFF pad NOTE 1 If you press TIMER ON OFF pad once this allows you to select seconds for example if you press 5 and 6 it means 56 seconds 2 If you press TIMER ON ...

Page 13: ...DE ON CLOCK 12HR 24HR 13 PROOF 14 SELF CLEAN For both the Upper Lower oven 15 Pizza For the Upper oven only 16 SABBATH MODE For both the Upper Lower oven START SELF CLEAN Once 3 hour Twice 4 hour 3 times 2 hour START WARM BAKE Desired Temp COOK TIME Desired time WARM START Press and hold the START pad for 3 seconds to activate or reactivate LOCKOUT Press and hold the BAKE pad 3 seconds In order to...

Page 14: ...odule Door locking motor micro switch Burner pipe Door switch Oven light Door switch Cooktop valve Display Igniter broil Broil burner Upper bake burner SMPS Relay PCB Oven Sensor Main PCB Ignition switch Door lock assembly Igniter Upper Bake Igniter Lower Bake Door lock assembly Oven Sensor Gas pressure regulator Burner body Oven light Oven valve Lower bake burner Door locking motor micro switch ...

Page 15: ...embly and lift it up from the supporters 11 Remove the 3 screws of controller sub assembly 12 Replace the key pad assembly 7 Remove the 12 screws of PCB assembly and separate PCB assembly after unpluging the connectors REMOVING THE BACK CONTROL COVER REMOVING THE BACK CONTROL COVER AND KEY P AND KEY PAD ASSEMBL AD ASSEMBLY Y WARNING DISCONNECT power supply cord from the outlet before servicing Rep...

Page 16: ...e and check main pcb NOTE Refer to the page 6 2 6 4 for composition of control board 5 5 connectors of the electrode and a connector of the harness a Disconnect 6 connectors b Remove the 2 screws c Remove the 2 tabs by using long nose pliers Power Supply PCB Relay PCB LED PCB Main PCB WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operatin...

Page 17: ...Lift top up at front NOTE Before lowering the top onto the front clips line up the burner body and with the cooktop to replace screws 3 4 COMPONENT ACCESS REMOVING THE COOKT REMOVING THE COOKTOP PLA OP PLATE TE 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 per...

Page 18: ...s REMOVING THE CASE ASSEMBL REMOVING THE CASE ASSEMBLY Y COOKT COOKTOP BURNER ASSEMBL OP BURNER ASSEMBLY Y 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 5 screws 5 screws 5 screws 5 screws 5 screws 5 screws 5 screws 5 ...

Page 19: ...ase pressure is applied Check that the gas seal gasket on the screw and the gas valve remain in place before installing the new gas valve 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw 1 scre...

Page 20: ... 2 release tabs and slide the switch off the valve stem c Remove the connector and remove the ignition switch 6 To remove the electrode spark plug a Remove the rear control panel See the step 3 4 on page 3 2 b Remove the connector from the spark module c Remove the wire ring d Remove the electrode from the burner housing ...

Page 21: ... 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 CAUTION Be careful when you work on the gas range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply and gas...

Page 22: ...nd you can cut yourself 1 Turn off the electrical supply and gas supply going to the range 2 Remove the Upper Lower door See page 3 18 3 19 for the rocedure 3 Remove the cooktop plate manifold and the case assembly see page 3 5 for the procedure 4 Remove the Side panaels See page 3 25 for the procedure 5 To remove the Lower door latch a Remove 4 screws to detach 2 hinge supporters of Upper oven b ...

Page 23: ...ve the door switch a Remove the door switch from the range To do this squeeze tabs and use a long nose plier or a snapring plier and tap it out of the hole with a hammer b Disconnect the wires from the terminals 1 2 Wires Door Switch ...

Page 24: ...re holding the Broil burner assembly 6 To remove the igniter a Perform step 1 6 on this page b Remove the 2 screws and then remove the igniter b 3 b 2 b 1 b 5 b 4 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 Make sure...

Page 25: ...ssembly Remove the 2 screws and then remove the burner assembly 7 Remove the rear back covers and safety valve cover see step 5 6 on page 3 2 8 Disconnect the igniter plug 9 To remove the igniter Remove the 2 screws and then remove the igniter OVEN BOTT OVEN BOTTOM THE FRAME GUIDE AND THE UPPER OM THE FRAME GUIDE AND THE UPPER BAKE BURNER ASSEMBL BAKE BURNER ASSEMBLY For the Upper oven only Y For ...

Page 26: ...ner assembly Remove the 2 screws and then remove the burner assembly 8 To remove the igniter Remove the 2 screws and then remove the igniter OVEN BOTT OVEN BOTTOM THE FRAME GUIDE AND THE LOWER OM THE FRAME GUIDE AND THE LOWER BAKE BURNER ASSEMBL BAKE BURNER ASSEMBLY For the Upper oven only Y For the Upper oven only 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 ...

Page 27: ... the socket terminals Glass cover Bulb Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Cli...

Page 28: ...the door hook connected to latch rod from unlocked position to locked position from locked Position to unlocked position 3 The cam activates the micro switch that causes the motor to stop 4 The locked status remains until the range temperature 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 M switch Cam Latch...

Page 29: ...the Latch rod from the cam 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 CAUTION Be careful when you work on the gas range handling the sheet metal part Sharp edge may be present and you can cut yourself 2 screws 2 scr...

Page 30: ... pull the wire toward the cavity c Remove the 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 electrical shock CAUTION Be careful when you work on the gas range handling the sheet metal part Sharp edge may be present and you ...

Page 31: ...til they stop Step 3 Close the door to 30 degrees you will feel the door stop The hinge lock will contact the oven frame Step 4 On both sides of the door press down on the release buttons on each hinge Step 5 Lift door up until it is clear of the hinge CAUTION Be careful when removing and lifting the door DO NOT lift the door by the handle The door is very heavy REMOVING REPLACING THE LIFT REMOVIN...

Page 32: ...he bottom edge of the slot Step 4 Push the hinge locks down against the front frame of the oven cavity to the locked position Step 5 Close the oven door LOWER OVEN To remove the door Step 1 Fully open the door Step 2 Pull the hinge locks up toward the door frame to the unlocked position Step 3 Firmly grasp both sides of the door at the top Step 4 Close door to the door removal position which is ap...

Page 33: ... glass for White Black model a Remove the handle and glass trim screws b Lift the door handle off door trim c Slide up the door trim and pull the glass trim forward Handle screws Glass trim screws Handle screws WARNING DISCONNET 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 pers...

Page 34: ...ner screws 4 Top liner screws 4 Top liner screws 4 Top liner screws 4 Top liner screws 4 Top liner screws 4 Top liner screws 4 Top liner screws 4 Top liner screws lnsulation cover lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven...

Page 35: ... 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 4 top liner screws 4 top liner screws 4 top liner screws 4 top liner screws 4 top liner screws 4 top line...

Page 36: ...e hanger screws Hinge hanger screws lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulation cover lnsulat...

Page 37: ...asket 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 Gasket clip Gasket clip Gasket clip Gasket clip Gasket clip Gasket clip Gasket clip Gasket clip Gasket cli...

Page 38: ... from the wall so you can access the back of the unit 4 Remove the rear back covers and safety valve cover see step 5 6 on page 3 2 5 Raise the cooktop plate see the page 3 4 for the procedure 6 Remove the two screws from the top rear of the side panel WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices...

Page 39: ...hock CAUTION Be careful when you work on the gas range handling the sheet metal part Sharp edge may be present and you can cut yourself Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier fitting Gas supplier...

Page 40: ...ors far enough 3 Resistance checks must be made with power cord unplugged from outlet and with wiring harness or connectors disconnected Before testing any of components perform the following checks WARNING Turn off the electrical supply and gas supply going to the range Replace all panels and parts before operating Reconnect all grounding devices after servicing Failure to do so can result in dea...

Page 41: ...9 kΩ 10 If not replace Components Test procedures Results NO COM Door latch open Door latch Locked Continuity Infinite NOTE After checking for the continuity of switch make sure that they are connected correctly NOTE Oven sensor is so sensitive to temperature Do test after cooling down sufficiently NOTE Ω Value was tested at room temperature 77F 25 C 1 Refer to page 3 8 3 10 for the servicing proc...

Page 42: ... the resistance after cooling down Multiple meter scale R x 1 Normal 45 Ω 400 Ω Room Temperature Resistance If not replace 1 Refer to page 3 26 for servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x 1 Normal Approximately 1 3 Ω If not replace 1 Refer to page 3 6 3 7 for servicing procedure 2 Measure the resistance by rotating the cam of each switch slowly Mult...

Page 43: ... death or electrical shock CAUTION Be careful when you work on the gas range handling the sheet metal part Sharp edge may be present and you can cut yourself CAUTION If the gas supply to the range is disconnected for any reason see the installation instructions for proper connection and safety precautions 2 CONVERT THE PRESSURE REGULATOR The pressure regulator is located at the rear of the range 3...

Page 44: ... be installed 1 Remove grates burner caps and burner heads 2 Remove the brass orifice spud in the chimney of each burner using a 5 16 or 8mm nut driver 3 Install the LP orifice spuds into their correct positions as described previously Orifice Locations for LP Gas Conversion Kit Denotes orifice code Top burner orifices Broil and Bake burner orifices Screw Screw Screw Screw Screw Screw Screw Screw ...

Page 45: ...b Remove the orifice spud from nozzle holder using a 13 32 or 10mm wrench c Install the LP orifce spud F to the nozzle holder To prevent leakage make sure the orifice spud is securely screwed into the nozzle holder 2 LOWER OVEN BAKE BURNER a Remove oven door oven bottom frame guide nozzle case and oven burner assembly See the page 3 13 b Remove the orifice spud from nozzle holder using a 13 32 or ...

Page 46: ... the fully open position as shown Fig 1 Refer to Fig 1 NOTE When converting the unit back to natural gas the broil buners air shutter should be in 0 4inch 10mm open position Refer to Fig 2 Check the flame size The flame should have approximately 1 inch blue cones After 30 seconds of the burner operation check for flame stability If the flame is lifting off of the burner ports gradually reduce the ...

Page 47: ...l gas NOTE The choke for the 17k top burner must be removed when converting the range back to natural gas 5 5 CONVERSION TO LP GAS WARNING Turn off the electrical supply and gas supply going to the range 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 th...

Page 48: ...6 1 COMPOSITION OF CONTROL Key Matrix Key Matrix Oven Keypad 32Key ...

Page 49: ...6 2 COMPOSITION OF CONTROL Front Back Controller assembly Oven System PCB P N EBR72822701 Oven Relay PCB P N EBR71261602 Oven Display PCB P N EBR72822801 SMPS PCB P N EBR64624702 ...

Page 50: ...6 3 Oven system PCB Oven system PCB P N EBR72822702 COMPOSITION OF CONTROL CN02 Oven Display PCB Oven Display PCB P N EBR72822801 CN712 CN401 CN403 CN402 CN01 CN03 CN04 CN51 CN402 CN401 CN403 ...

Page 51: ...6 4 COMPOSITION OF CONTROL OVEN RELA OVEN RELAY PCB Y PCB P N EBR71261602 SMPS PCB SMPS PCB P N EBR64624702 CN12 CN11 CN03 CN2 CN1 CN02 CN01 ...

Page 52: ...ot F 6 F 16 check heater Relays Short Symptom Oven lamp not operating Check Lamps coil s resistance Normal approximately 20 40Ω Check Open short Check Sensor resistance approximately 1 06 kΩ at 65F 1 12 kΩ at 85F Symptom Dead Symptom Door lock fail F 10 F 20 Symptom Sensor error or no heating F 1 F 2 F 9 F 19 ...

Page 53: ...ry and not displayed F codes can only be viewed by following the below Step 1 press the clear key 2 Press and Hold LOWER BAKE and LOWER BROIL key for 3 seconds If the oven has some failure the oven will show the failure code like FIG 1 It shows the type of F code and times of occurred failure If the oven does not have any failure the oven will looks like FIG 2 NOTE After checking the failure code ...

Page 54: ...ower Oven Thermistor remains open for over 1 min after cook starts during cooking Lower Oven Thermistor is short for over 1 min after cook starts during cooking Upper oven temperature is over 650 F continuously during 2 minutes on cooking except self cleaning If current upper oven temperature does not exceed 150 F or is lower than the start temperature over 5 minutes after preheating where door is...

Page 55: ...10 1 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Power Failure Dead 2 No Display 1 Check Electric Wiring 2 Check the SMPS PCB RD WH ...

Page 56: ... CN1 pin 1 and 3 Control Dead Select a function Yes Yes Any beeping Sound Normal 120V AC Normal END 2 No Yes Yes No No No No Replace the Oven system PCB EBR72822702 Replace the DISPLAY PCB EBR72822801 1 Normal Replace the SMPS PCB EBR64624702 Replace the SMPS PCB EBR64624702 Yes END END END 3 ...

Page 57: ...rmal END Yes No Check the connection of L1 and N from power inlet Fix or replace the lead wire 2 1 Yes Normal END No Replace the Oven SYSTEM PCB EBR72822702 Check and fix the connection 1 Between Oven SYSTEM and SMPS PCB 2 Between DISPLAY and Oven system PCB 3 ...

Page 58: ...10 4 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 No heating 2 F 9 3 F 19 1 Check Electric Wiring 2 The Igniter s Resistance 3 Check the Sensor Thermister Check the sensor ...

Page 59: ...BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE UP_BAKE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VALVE GAS_VAL...

Page 60: ...sistance after cooling down Normal approximately 45Ω 400Ω Check the resistance of Gas valve Normal approximately 1 1 5Ω Normal END No Replace the failed ignitor Baker ignitor Broil ignitor Bake Gas Valve Pin No Broil Gas Valve 1pin WH N 1 4 3 2 3pin Oven does not heat including F 9 F 19 Error 1 2 ...

Page 61: ...value of Thermister by using the test mode To enter the test mode follow these steps 1 press the CLEAR key 2 press the UPPER BAKE UPPER BROIL key at the same time for one second 3 press the UPPER BAKE UPPER BROIL key at the same time again 4 press the NUM 3 key Normal the sensor value is from 70 F to 90 F at 25 C UPPER SENSOR LOWER SENSOR GS FB4125 Option ...

Page 62: ...Disconnect the oven sensor and check the value measure the resistance after cooling down Normal approximately 1 06 kΩ at 65 F 1 12 kΩ at 85 F Normal No Yes Normal Replace the Oven SYSTEM PCB EBR72822702 No Yes Replace the Relay PCB EBR71261602 3 END END Replace the oven sensor END ...

Page 63: ...10 9 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Door Lock System Failure 2 F 10 F 20 1 Check the Electric wiring 2 Check the Motor s Resistance ...

Page 64: ... Disconnect the power Just after self clean start the door lock motor starts to rotate During that time if the door lock switch does not operate properly after rotating twice then supervising circuit detects a Door Lock failure and the F 10 F 20 error code appears Check the terminal looseness of micro switch and door locking motor Normal Door lock system error F 10 F 20 Error Fix the connection Or...

Page 65: ...system error F 10 F 20 Error Normal Yes No Normal Yes No Check the looseness of CN51 Check the door locking motor measure the resistance normal approximately 2 6 kΩ abnormal infinite or below 5 Ω 1 Replace the door locking motor END Reconnect END 2 ...

Page 66: ...0 F 20 Error Normal Yes No Normal Yes Check the Oven Relay PCB s electric connection CN01 Check the connection between Oven System PCB and Relay PCB CN11 CN12 2 Replace the Oven Relay PCB EBR71261602 Replace the Oven System PCB EBR72822702 Reconnect END END No END ...

Page 67: ... FLOW CHART BY FAILURE Symptom Check Point 1 Sensing Fail 2 F 1 3 F 2 4 F 4 5 F 5 1 Check the electric wiring 2 Check the test Mode 3 Check the Sensor Thermistor resistance approximately 1 06 kΩ at 65F 1 12 kΩ at 85F ...

Page 68: ...e CLEAR key 2 press the UPPER BAKE UPPER BROIL key at the same time for one second 3 press the UPPER BAKE UPPER BROIL key at the same time again 4 press the NUM 3 key Normal the sensor value is from 70 F to 90 F at 25 C UPPER SENSOR LOWER SENSOR GS FB4125 Option Oven sensing error F 1 F 2 F 3 F 4 error Connect the power Main oven sensing failed ...

Page 69: ...ue measure the resistance after cooling down Normal approximately 1 06 kΩ at 65 F 1 12 kΩ at 85 F Normal No Yes Normal Replace the Oven SYSTEM PCB EBR72822702 No Yes Replace the Oven Relay PCB EBR71261602 1 END END Replace the oven sensor END Oven sensing error F 1 F 2 F 3 F 4 error ...

Page 70: ...W CHART BY FAILURE Symptom Check Point 1 Oven hot 2 F 6 3 F 16 1 Check the Resistance of the Relay 2 Check the Sensor thermistor resistance approximately 1 06kΩ at 65F 1 12kΩ at 85F Check the Sensor thermistor resistance ...

Page 71: ...ection AND measure the resistance DLB Relay is measured N and TAB Normal No END Replace the oven sensor Welded Normal Continuity Infinite Disconnect the power and oven sensor Check the oven sensor value measure the resistance after cooling down Normal approximately 1 06 kΩ at 65 F 1 12 kΩ at 85 F Oven hot error F 6 F 16 error 1 Upper Bake Upper Broil Lower Bake DLB Live ...

Page 72: ...10 18 CHECKING FLOW CHART BY FAILURE Normal Replace the Oven SYSTEM PCB EBR72822702 No Yes 1 END Replace the Relay PCB EBR71261602 END Oven hot error F 6 F 16 error ...

Page 73: ...t Or F 3 END END No No Yes Yes Reconnect Normal No Yes Replace Replace the control supporter Replace Oven system EBR72822702 Duplicate the Error Is problem OK Remove Harness and check F 3 error duplicate or not after one minute Check the connection between Oven System PCB s CN03 END ...

Page 74: ... the oven gas shut off valve located behind the range is fully open Incorrect oven control settings See Using control panel in the How to Use section Incorrect rack position See Replace and remove Oven rack or Shelf position Baking time in the How To Use section Incorrect cookware is being used See Roast or Bake in the How To Use Section Oven thermostat needs adjustment See How to adjust the tempe...

Page 75: ...s This is normal Too much soil in the oven Open the windows to get rid of the smoke from the room Press the or key Wait until the light goes off before trying to open the oven door Wipe up the excess soil and reset the clean cycle The oven temperature is too high Wait up to one hour to cool down Incorrect oven control settings See SELF CLEAN in the Care and Cleaning section The oven was heavily so...

Page 76: ...l in a new oven To speed the process set a self clean cycle for a minimum of three hours See SELF CLEAN in the Care and Cleaning section An odor from the insulation around the inside of the oven is normal for the first few times the oven is used Symptoms and Questions Possible Cause Solution ...

Page 77: ... 12 1 EXPLODED VIEW EV INTRODUCTION I DOOR PARTS COOKTOP PARTS CONTROLLER PARTS CAVITY PARTS MODEL Customer Model Product Code SVC Model ...

Page 78: ... 12 3 UPPER DOOR PARTS I 1020 1015 1009 1021 W225 W243 W256 1733 1722 1000 1721 1703 1703 1018 1733 102U 102U 103S 103S 1455 EV MODEL Customer Model Product Code SVC Model ...

Page 79: ... 12 5 LOWER DOOR PARTS I 1120 W243 W225 W222 1100 W101 W101 1704 1704 1733 1734 1733 1734 1038 1115 1009 1041 102U 102S 102S 102U EV MODEL Customer Model Product Code SVC Model ...

Page 80: ...3006 2034 2385 2037 2036 2033 2381 2136 2137 2137 2048 2006 2031 2009 2030 2041 2501 2058 2028 2128 3006 2043 2045 2044 2042 2046 12 7 CONTROLLER PARTS EV ...

Page 81: ...3979 3974 W294 3056 W295 3402 3925 2441 2442 3401 3990 3986 3991 3940 3960 3961 3961 3963 3992 3964 3950 3951 3957 3956 3977 3973 3978 3972 W294 3946 3945 3993 3995 3953 3983 3958 3954 3984 3006 3981 3930 3936 3982 3957 3951 3945 3994 3980 EV ...

Page 82: ...2 5505 5536 5556 5078 5539 5078 5505 5063 5552 4002 5511 W301 5463 5021 W301 W301 5464 5944 5942 5900 5551 5032 5010 5502 W232 W232 5410 5537 5197 3106 5905 W256 W230 W115 W301 5981 W231 5945 5409 W231 5931 5450 5932 5451 5911 5906 5921 5900 5958 5449 W301 EV ...

Page 83: ...5063 5021 W301 W301 5097 W230 W230 4002 5516 5505 5505 5515 5014 5019 5132 W230 5981 W231 5943 5409 W231 8516 8502 8508 8708 8502 5933 5450 5932 5451 5911 5903 3502 3501 5549 5922 5900 5958 5549 5512 5904 5971 5512 5955 5975 W401 5460 5961 9501 8511 W229 9381 EV ...

Page 84: ......

Search results

Summary of Contents for LDG3015SB

Reviews:

Related manuals for LDG3015SB

Brands by name

Popular brands

LG LDG3015SB, Service Manual

Search results

Summary of Contents for LDG3015SB

Reviews:

Related manuals for LDG3015SB

Brands by name

Popular brands