LG LSD4913ST Page 21 Service Manual Download

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3-7

COMPONENT ACCESS

ASSMBLY THE COOLING FAN

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. Remove the back cover, remove 15 screws from

the back cover.

4. Remove vent trim rear cover, rear cover, vent

trim and vent cover.

5 Using a phillips head screwdriver remove the 2

side and 4 front and the 2 under screws of the

manifold.

6 Remove (11EA) hex-Phillips head screws on the

cook top. And lift it.

7. You can find cooling fan. Please be assembled

with a screws 2(EA) the cooling fan.

SPARK MODULE

screw

• 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.

• Be careful when you work on the

gas range handling the sheet metal

part.

- Sharp edge may be present and you can cut

yourself.

WARNING

CAUTION

Summary of Contents for LSD4913ST

Page 1: ...30 DUAL FUEL RANGE SERVICE MANUAL MODEL LSD4913ST CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL37118392 July 2018 Printed in Korea Internal Use Only ...

Page 2: ...er 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 left side of warming drawer The power supply of the appliance should be turned off when it is being repaired FORWARD LG Electronics assumes no responsibility for any repairs made on our prod...

Page 3: ...ntroller 3 4 Removing the mainPCB and key PCB assembly 3 5 Removing the cooktop plate 3 6 Assmbly the cooling fan 3 7 Removing the cooktop parts 3 8 8 9 Removing the cooling motor thermal disk and Door switch 3 10 3 11 Removing the broil element 3 12 Removing the convection element fan blade and fan motor 3 13 Removing the oven light socket assembly 3 14 Removing the latch drive assembly 3 15 Remo...

Page 4: ... PCB 6 3 Touch PCB 6 4 Wi Fi PCB 6 4 Buzzer PCB 6 4 SVC TEST MODE 7 1 7 3 TROUBLE SHOOTING 8 1 8 2 Check the Failure Code 8 1 Failure Code Summary 8 2 CHECKING FLOW CHART BY FAILURE 9 1 9 20 Power Failed Dead No display 9 1 9 3 No heating F9 9 4 9 7 Door Lock System Failure F10 9 8 9 11 Sensing Fail F1 F2 9 12 9 14 Oven hot F6 9 15 9 18 Key not working F3 Error 9 19 9 20 APPENDIX 10 1 EXPLODED VIE...

Page 5: ... so can result in severe personal injury death or electrical shock DO NOT touch heating elements or interior surfaces of oven Heating element may be hot even though they are dark in color Interior surfaces of an oven become hot enough to cause burns During and after use do not touch or let clothing or other flammable materials contact heating elements or interior surfaces of oven until they have h...

Page 6: ...T touch heating elements or interior surfaces of oven Heating element may be hot even though they are dark in color Interior surfaces of an oven become hot enough to cause burns During and after use do not touch or let clothing or other flammable materials contact heating elements or interior surfaces of oven until they have had sufficient time to cool Other surfaces of the appliance may become ho...

Page 7: ...es may be harmful or fatal to birds Move birds to well ventilated room Important Instruction In the event the self clean mode F code goes on or three long beeps sound oven is malfunctioning in the self clean mode Turn off or disconnect appliance from power supply and have serviced by a qualified technician VENTILATING HOODS Clean Ventilating Hoods Frequently Grease should not be allowed to accumul...

Page 8: ...1 4 GENERAL The Model Serial Number label and Tech Sheet locations are shown below Tech Sheet Location MODEL SERIAL NUMBER LABEL AND TECH SHEET LOCATIONS Model Serial Number Location ...

Page 9: ...Celsius temperature Cooktop Material STS of element 5 Input Rate NAT LP BTU hr LR 9 1k 9 1k RR 5k 5k CR 10k 10k LF 12k 10k RF 18 5k 12 5k Oven Capacity cu ft 6 3 Broil element 4 200 W Bake element No Convection System Yes Convection element 2 500 W of Racks 3 Standard rack Interior oven light 120V 40W Proof Yes Cook warm Yes Favorites No Easy clean Yes Door lockout Yes Drawer Type Storage drawer E...

Page 10: ...ment lower element Rear element some model and fan operate during convection bake Convection bake should be 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 Difference between bake and convection mode is fan speed and amount of cycling time When cook with bake mode fan speed and amount of cycle tine...

Page 11: ...EFT REAR CONTROL KNOB Use to control Left Rear Burner C OVAL CONTROL KNOB Use to control Oval Burner D RIGHT REAR CONTROL KNOB Use to control Right Rear Burner E RIGHT FRONT CONTROL KNOB Use to control Right Front Burner F OVEN MODE KNOB Turn the knob to select oven operating mode G GAS OVEN CONTROL Use to control Gas Oven ...

Page 12: ...oor and control panel 5 Timer On Off Wi Fi PPress the button to set or cancel timer on oven Press and hold button for three seconds to connect the Wi Fi To disconnect the appliance from the network delete it from the registered appliances in the app 6 Oven Light Press the button to turn oven light on or off 7 Setting Press button to select and adjust oven settings 8 Press the plus button to increa...

Page 13: ...ory 1 CHANGE HOUR MODE ON CLOCK 1 Set the oven mode knob to the Off position 2 Press Setting 3 Press plus or minus to set the desired hour mode on the clock 4 Press Start to accept the desired change 2 CONVECTION AUTO CONVERSION 1 Set the oven mode knob to the Off position 2 Press Setting until Auto appears in the display 3 Press plus or minus to enable or disable the feature 4 Press Start to acce...

Page 14: ...the Lockout feature press and hold Probe for three seconds The unlock melody sounds and the door and the controls unlock 7 SELF CLEAN 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 to select a Self Clean Time from 3 to 5 hours 3 Press Start Tim...

Page 15: ...nside the range The components and their locations are shown below COMPONENT LOCATIONS Igniter bake Door switch Gas pressure regulator Oven light Igniter broil Spark module Bake burner Lock Motor and Micro Switch Oven sensor Broil burner Burner Body Pipe Oven valve Conv Heater Motor ...

Page 16: ... cover REMOVING THE BACK COVER 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 electric range handling the sheet metal part Sharp edge may be present and you can cut yourself Back ...

Page 17: ... Power PCB Disconnect 2ea connectors 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 electric range handling the sheet metal part Sharp edge may be present and you can cut yourself...

Page 18: ...ge 6 To remove the controller You can remove the controller after unplug the 7ea connectors of Main PCB and Cooktop 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 electric range h...

Page 19: ...Main PCB and separate Main PCB after unplugging the connectors Buzzer PCB Wi Fi PCB Key PCB 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 electric range handling the sheet metal ...

Page 20: ...oktop 5 Remove the vent bracket REMOVING THE COOKTOP PLATE 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 6 Remove the 2 screw and lift top up at front NOTE Before lowering the top onto the front clips line up the burner body a...

Page 21: ...and the 2 under screws of the manifold 6 Remove 11EA hex Phillips head screws on the cook top And lift it 7 You can find cooling fan Please be assembled with a screws 2 EA the cooling fan SPARK MODULE screw 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...

Page 22: ...n severe personal injury death or electrical shock The 2 lock tabs on each igniter switch are fragile Tab breakage can occur if excessive release 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 Screw Seal Valve Screw Valve Seal Single Burner valve Screw Seal Valve Screw Valve Seal Double Burner Valve NOTE When se...

Page 23: ... on the 2 release tabs and slide the switch off the valve stem c Remove the 2 connectors and remove the ignition switch 5 To remove the electrode spark plug a Remove the connector from the spark module b Stretch the electrode bracket c Remove the electrode from the burner housing COMPONENT ACCESS ...

Page 24: ...rvicing 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 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 supply going to the range 2 Open the oven door 3 Remove the cooktop pl...

Page 25: ...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 8 To remove the door switch a Disconnect the wires from the terminal b Remove the door switch from the range To do this squeeze tabs and use a ratchet extension or a small socket and tap it out of the hole with a hammer Unhook Actuating Rod ...

Page 26: ...acle at each point b Remove the 4 screws from the front and rear brackets 4 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 electrical shock CAUTION Be careful when you work on the electric range handling the sheet metal part Shar...

Page 27: ...s and pull the element forward 7 To remove Fan blade remove Nut by screwing clockwise Fan blade can be replaced from inside oven 8 To remove Fan motor assembly disconnect wire connection and remove the three bracket screws 9 Pull the fan motor assembly forward Removing the Convection element Fan bladeand Fan motor Nut Bushing Fan motor Fan cover screws 4ea Fan cover Washer Convection heater Fan bl...

Page 28: ...m the front of the oven you will have to push the socket out from the back of the unit 6 Disconnect the wires from the socket terminals Glass cover Bulb Socket Clips CAUTION Be careful not to scratch or chip the oven liner paint when you remove the oven light socket in the next step WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating ...

Page 29: ...operates the motor 2 The cam moves 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 d...

Page 30: ...ove an oven temperature sensor zdisconnect the connector from the main harness and remove the mounting screw in oven cavity Main oven Sensor connector 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 electrical sho...

Page 31: ...Fully open the door Step 2 Unlock the hinge locks rotating them as far toward the open door frame as they will go Step 3 Firmly grasp both sides of the door at the top Step 4 Close the door to the removal position approximately five degrees which is halfway between the broil stop position and fully closed If the position is correct the hinge arms will move freely Step 5 Lift door up and out until ...

Page 32: ... to seat bearing glides into position Step 5 Replace the two screws Removing the Drawer Most cleaning can be done with the drawer in place however the drawer may be removed if further cleaning is needed Use warm water to thoroughly clean Step 1 Fully open the drawer Step 2 Remove the two screws Step 3 Locate the glide lever on each side of the drawer Push down on the left glide lever and pull up o...

Page 33: ...move the screw from the left or right side panel 8 Pull the back of the side panel out from the range approximately 10 9 Push forward and remove the side 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 electrical shock CAUTION Be c...

Page 34: ...ndle air guide a Remove 2 screws from air guide and then remove the air guide by lifting that b Remove 2 screws from handle and then remove the door bracket and door handle 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...

Page 35: ... oven door glass make sure that the insulation is not visible in the glass after the door is reassembled Outer glass lnner Oven Door Glass Bracket 7 To remove a hinge hanger assembly a Follow the step 3 4 on page 3 16 b Place the frame assembly on a padded work surface c Remove 4screws from door frame middle d Remove the 2 screws from the hinge bottom e Remove the hinge hanger after removing the d...

Page 36: ...hat the ends of the gasket are pushed fully into their holes Use the pointed end of a pencil to 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 electrical shock CAUTION Be careful when you work on the ...

Page 37: ...ift the oven valve 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 Use caution when handling sheet metal parts while servicing the range Some parts may have sharp edges which could result in injury 3 Fittings 2 connectors 2 screws...

Page 38: ... 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 Disconnect power supply cord from the outlet before servicing Replace all panels and parts before operating Reconnect all grounding devices after servicing Failure to do so can result in death or ...

Page 39: ...ximately 2 6 kΩ 10 If not replace Abnormal Infinite open below 5Ω shorted Door latch open Door latch Locked Continuity Infinite NOTE After checking for the continuity of switch make sure that they are connected correctly NO COM 1 Refer to page 3 15 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 NO...

Page 40: ... Normal Approximately 23 Ω 10 If not replace NOTE Ω Value was tested at room temperature 77F 25 C Be careful the element is sensitive to temperature 1 Refer to page 3 12 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x 1 Normal Approximately 13 5 Ω 10 If not replace NOTE Ω Value was tested at room temperature 77F 25 C Be careful the element is sensit...

Page 41: ...e resistance after cooling down Multiple meter scale R x 1 Normal Approximately 1 3 Ω If not replace Door switch 1 Refer to page 3 6 3 7 for servicing procedure 2 Measure the resistance by rotating the cam of each switch slowly Multiple meter scale R x 1 approximately 40 80 other Continuity Infinite Upside Downside ...

Page 42: ...ER 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 SCHEMATIC DIAGRAM ...

Page 43: ...hecking electric oven 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 BAKE CONV BAKE SELF CLEANING ...

Page 44: ...control Main PCB P N EBR82864011 SMPS PCB P N EBR80595701 Touch PCB P N EBR79627801 Encoder PCB P N EBR80327001 Wi Fi PCB P N EBR83227508 Buzzer PCB P N EBR76332902 Relay PCB P N EBR80595407 Front Back Controller assembly ...

Page 45: ...6 2 Composition of control Main PCB P N EBR82864011 P N EBR80595407 Relay PCB CN40 CN03 CN22 CN50 CN51 CN01 CN20 CN53 CN31 CN52 CN51 CN53 CN52 ...

Page 46: ...6 3 Composition of control SMPS PCB Encoder PCB CN02 CN01 CN41 P N EBR80595701 P N EBR80327001 ...

Page 47: ...6 4 Composition of control Touch PCB Wi Fi PCB Buzzer PCB P N EBR79627801 P N EBR76332902 P N EBR83227508 ...

Page 48: ...e Off 2 Press the button in the following order M_ M Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button again hold for 3seconds 4 Select the t0 by press the button 5 Press the START button 6 Start the test by press the START button again Model Option Software version Only software version is displayed at the right digits ...

Page 49: ... is displayed 7 Whenever you input the START button the relay operation sequence should be as seen below Relay Operation Sequence Conv Heater Broil Inner DLB C Fan High C Fan Low B Fan High B Fan Low RY11 RY12 RY13 RY8 RY9 RY1 RY2 Active Load Icon SW Version ...

Page 50: ... heater relays and DLB relay are open Symptom Oven hot F6 Check All heater relays are open shorted Symptom Oven lamp not operating Check the Lamp coil s resistance Symptom Door lock fail F10 Check relative part Symptom Sensor error or no heating F1 F2 Check Sensor resistance ...

Page 51: ...tton and encoder is placed in the Off 2 Press the button in the following order M_ M Oven light Oven Light hold for 3 seconds If the oven has a malfunction the Oven will show the failure Code like FIG 1 If the oven do not has any failure the Oven will show it like FIG 2 NOTE After checking the F code press the CLEAR button to remove all codes TROUBLESHOOTING FIG 1 FIG 2 Type of F Code Type of F Co...

Page 52: ...is over 650 F continuously during 2 minutes on cooking except self cleaning EXCEPT PROOF and WARM Starting temperature of 130 For less and the oven door is closed the oven inside temperature does not go up more than 10 F compared with the starting temperature for 5minutes after the start of cooking In case of Door Lock Failure during operating Lock motor 1 Wiring 2 Oven Sensor 1 Wiring 2 Oven Sens...

Page 53: ...E 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 54: ...econnect 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 Ther...

Page 55: ... connecting 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 56: ...CHECKING FLOW CHART BY FAILURE E D F L1 L2 RY12 RY11 Broil Conv Heater RY13 C B A Symptom Check Point 1 No heating 2 F9 1 Check Electric Wiring 2 Check Heater s Resistance 3 Check the Sensor A B C D E F G H ...

Page 57: ...9 5 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 No heating 2 F9 1 Check Electrical Wiring 2 Check Heater s Resistance 3 Check the Sensor CN31 ...

Page 58: ...of Relay PCB All taps 2 Electric wiring of electric element Yes Reconnect If defective harness Replace or fix 1 Unplug the unit Check the resistance of each heater Normal Measure the resistance after cooling down The resistance is shown below No Replace the failed heater 2 Broil yes No Conv Heater Conv Heater Broil ...

Page 59: ...after replace Relay PCB you should replace the Main PCB Heater Resistance Ω Approximately Broil 13 5 Conv Heater 23 Is the value of thermistor normal Refer below Check with the test mode To enter the test mode follow these steps 1 Press the any button and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button ...

Page 60: ...9 8 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Door Lock System Failure 2 F10 1 Check the Electrical wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Door Lock Relay CN31 ...

Page 61: ...9 9 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Door Lock System Failure 2 F10 1 Check the Electrical wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Door Lock Relay ...

Page 62: ...he following 1 Electric wiring of relay in Relay PCB 2 Electric wiring of Locking Motor and Micro Switch 3 Electric wiring of CN31 of Main PCB Yes Reconnect If defective harness replace or fix 2 Unplug the unit No No 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 supervising circuit ...

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

Page 64: ...9 12 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Sensing Fail 2 F1 3 F2 1 Check the Electrical Wiring 2 Check the Test Mode 3 Check the Sensor s Resistance CN31 ...

Page 65: ...n 2 CN31 of Main PCB No Yes Yes Unplug the unit Sensing Fail F1 F2 Yes Reconnect or adjust the connection 1 Sensor connection CN31 Is the resistance of thermistor normal Check Pins 4 and 5 of CN31 wiring in main PCB Normal approximately 1 09kΩ at 25 C No Replace the defective Thermistor 2 CN13 ...

Page 66: ...utton and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button again hold for 3seconds 4 Select the t3 by press the button 5 Press the START button Normal Thermistor value at room temp is from 70 F to 90 F Yes Replace the Relay PCB 3 4 Plug in the unit Replace the Main PCB No ...

Page 67: ...15 CHECKING FLOW CHART BY FAILURE E D F L1 L2 RY12 RY11 Broil Conv Heater RY13 C B A Symptom Check Point 1 Oven hot 2 F6 1 Check the Resistance of the Relay 2 Check the Sensor s Resistance A B C D E F G H ...

Page 68: ...9 16 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Oven hot 2 F6 1 Check the Resistance of the Relay 2 Check the Sensor s Resistance CN31 ...

Page 69: ...Normal approximately 1 09kΩ at 25 C No Replace the defective Thermistor 1 CN31 Unplug the unit Yes Yes Yes Yes Is the heater relay normal Measure the resistance of Heater relay and Live Normal infinite Abnormal shorted No Replace the Relay PCB 2 Broil Heater Relay Conv Heater Relay Tab 02 and Tab 22 RY12 Tab 02 and Tab 21 RY11 ...

Page 70: ...elow Check with the test mode To enter the test mode follow these steps 1 Press the any button and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button again hold for 3seconds 4 Select the t3 by press the button 5 Press the START button Normal Thermistor value at room temp is from 70 F to 90 F Yes Replace th...

Page 71: ...9 19 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Key not working 2 F3 Error 1 Check the Door Locking System 2 Check the Electrical Wiring CN53 ...

Page 72: ...And then check button operation using key test mode o enter the test mode follow these steps 1 Press the any button and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button again hold for 3seconds 4 Select the t7 by press the button 5 Press the START and Check the button Refer to the next page appendix 2 3 P...

Page 73: ...essed 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 8th START Key operation Test sequence 1st 8th ...

Page 74: ...EXPLODED VIEW EV INTRODUCTION DOOR PARTS DRAWER PARTS COOKTOP PARTS CONTROLLER PARTS CAVITY PARTS 9504 9506 W229 9381 8511 9532 Customer Model Product Code SVC Model MODEL ...

Page 75: ... EV DOOR PARTS 1704 1382 1035 1015 W230 1703 1020 1008 102U W243 W222 W222 1000 102S 102L 173U W101 W101 1018 1009 W230 ...

Page 76: ... EV CONTROLLER PARTS 2053 2002 303R 2050 260E 303L 5206 2385 2001 5016 244E 244A 244A 260B 260K 260M 2051 2221 2042 2043 2044 2046 2006 2047 2045 2037 2090 555C 555C ...

Page 77: ...76 G058 3979 3974 3056 3991 3993 3992 3990 3995 3994 3006 3977 2058 3973 3978 3972 3946 2041 3940 3945 W294 W294 G035 3950 3951 3952 3953 3980 G039 3981 G039 3982 3984 3950 3983 381A G045 3935 W323 W323 521L 521R 3960 3961 3962 3964 3965 ...

Page 78: ...DRAWER PARTS 8523 8507 8501 8514 8517 8524 8602 8512 5505 5505 8504 6008 8508 8513 1009 851D 851D W230 EV ...

Page 79: ... 5406 5512 5513 5510 5506 5014 5039 3057 3013 3024 5502 5063 5501 5504 5124 5405 5408 W232 5533 W124 W233 5521 W291 3222 5556 5019 3208 5535 W129 W102 5021 5532 5516 5511 5032 3501 5066 5509 3063 5611 507R 5611 507S 5508 5020 5518 5006 W287 W140 9384 3947 EV ...

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LG LSD4913ST, Service Manual

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Summary of Contents for LSD4913ST

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