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LG LSE3092ST Service Manual Download Page 24

3-9

COMPONENT ACCESS

e) Remove the door latch from the burner box

and unhook the actuating rod.

7. To remove the cooling motor

a) Remove the wires from the motor

b) Remove 4 screws on the Main duct from the

cooling Motor

8. To remove the thermal disk, remove the 1 screw

and remove the 2 wires.

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.

9. To romove the door switch

a) 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.

b) Disconnect the wires from the terminal

Unhook
Actuating
Rod

2 screws

Summary of Contents for LSE3092ST

Page 1: ...tric Range SERVICE MANUAL MODEL LSE3092ST CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http us lgservice com P NO MFL62114802 December 2009 Printed in Korea 삼 흥 정 판 Internal Use Only ...

Page 2: ... 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 left side of lower oven 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 ou...

Page 3: ...m Proof Oven lockout Changing hour mode on clock 12HR 24HR Self clean Lower oven drawer 2 6 COMPONENT ACCESS 3 1 3 22 Component Locations 3 1 Removing the Back cover 3 2 Removeing the Oven real PCB Power PCB Power real and Surge filter 3 3 Removing the Controller 3 4 Removing the Main PCB and Key PCB Assembly 3 5 Removing the KNOB and Infinite Switch 3 6 Removing the Ceramic Glass Cooktop The Surf...

Page 4: ...Variable Thermostat Lower oven switch 4 12 Single surface units Left Rear LR and Right Rear RR Element 4 13 Center Rear CR Element Warming Zone Plane Heater 4 14 Dual surface units Left Front LF Element 4 15 Triple surface unit Right Front RF Element 4 16 COMPOSITION OF CONTROL 5 1 5 3 Main PCB 5 2 Power PCB 5 2 Relay PCB 5 3 Key PCB 5 3 FAILURE MODE FLOW CHART 6 1 6 14 Power Failed Dead No displa...

Page 5: ... all grounding devices Failure to do 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 interio...

Page 6: ...or 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 hot enough to cause burns among thes...

Page 7: ...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 accumulate on hood or filter When flaming foods under the hood turn the fan on OVEN Use Care When Opening Door Let hot air or steam esc...

Page 8: ...ial Number label and Tech Sheet locations are shown below 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: ...r Width Exterior Height Exterior Depth Net weight Lbs Kg Rating 30 Freestanding STS Glass Touch Knob Scroll VFD Yes Yes Yes Option 6 categories 1 Convection auto conversion 0n 0ff 2 Thermostat Adjustment 3 Language English or Spanish 4 Preheating alarm light On Off 5 Beeper Volume loud normal low mute 6 Temperature unit F C Ceramic glass 5 6 1 2kw 6 1 2kw warming zone 100w 9 Dual 6 9 1 4 3 0kw 12 ...

Page 10: ...ed when using broil All foods should be turned at least once except fish which does not need to be turned Convection Bake Roast Mode Upper element lower element Rear element 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 C...

Page 11: ...CONTROL KNOB Use to control Left Front Element 4 4 LEFT REAR SINGEL CONTROL KNOB Use to control Left Rear Element 5 5 CENTER REAR WARM CONTROL KNOB Use to control Center Rear Element 6 6 RIGHT REAR SINGLE CONTROL KNOB Use to control Right Rear Element 7 7 RIGHT FRONT TRIPLE CONTRON KNOB Use to control Right Front Element 8 8 LOWER OVEN CONTROL KNOB Use to control lower oven 9 9 ELECTRIC OVEN CONTR...

Page 12: ...se to the DUAL surface unit settings To turn on the Warming Zone Center Rear There is the Warming Zone element located in the back center of the glass surface lt will keep hot cooked food at serving temperature Push the knob in Turm the knob in either direction to the setting you want To turn on a TRIPLE surface uni Right Front There is one triple element located in the right front position This a...

Page 13: ...pad for 3 seconds 2 Touch 1 pad for ENABLE or 2 pad for DISABLE 3 Touch START pad 2 THERMOSTAT ADJUSTMENT The oven temperature can be adjusted from 35 F 19 C to 35 F 19 C NOTE The temperature adjustments made with this feature will just change Bake Convection Bake and Convection Roast temperature To increase the oven temperature 1 Touch and hold the WARM PROOF pad for 3 seconds 2 Touch the WARM PR...

Page 14: ...OUT 14 CHANGING HOUR MODE ON CLOCK 12HR 24HR 15 SELF CLEAN 2 5 USING YOUR RANGE CONV BAKE Desired Temp START CONV ROAST Desired Temp START START SELF CLEAN Once 3 hour Twice 2 hour 3 times 4 hour START WARM PROOF Once Warm Twice Proof Desired temperature HEATIHER ROAST Once Beef Twice Pork 3 times Lambs 4 times Chicken 5 times Turkey Press and hold the START pad for 3 seconds to activate or reacti...

Page 15: ...OTE The Lower Oven does not shut off automatically The maximum food height that can be placed in the Lower Oven is 4 inches When turning the knob to use WARM function check the OVEN HEATING signal is ON Opening the door may cause heat loss Repeatly opening may result in poor cooking results LOWER OVEN DRA LOWER OVEN DRAWER WER CAUTION Always use Pot Holders or oven mitts when removing food from th...

Page 16: ...ow COMPONENT LOCA COMPONENT LOCATIONS TIONS Oven Sensor Variable Thermostat Surface Elements Door Locking Motor Micro Switch Lower Oven Broil Heater Lower Oven Bake Heater Hinge Oven Light Infinite Switch Convection Heater Convection Motor Convection Heater Door Latch Assembly Main PCB Door Switch Oven Relay PCB Power PCB Power Relay Bake Heater ...

Page 17: ...THE BACK 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 yourse...

Page 18: ...r remove the 2 screw located on the back plate and disconnect the 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 Power PCB Power Relay Surge Filter CAUTION Be careful when you work on the electric range handl...

Page 19: ...fter unplug the connectors of Main PCB and Cooktop REASSEMBLY NOTE When you reinstall the controller make sure that the cooktop gasket is fixed into the cooktop correctly Connector Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket Cooktop Gasket WARNING D...

Page 20: ...rvicing the KEY PCB Assembly the brackets of assembly should be separated 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 2 Screws Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Pull Upper ...

Page 21: ...rsonal 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 Position Wire color 1 H1 OR OR 2 P 3 L1 RD RD 4 H2 YL 5 L2 BK BK P1 BK BK P2 RD RD 2 BN 4 BL BL 4a VI S1 S2 P1 BK BK P2 RD RD 2 BN 4 BL BL 4a GY GY J4 GY 4b PK S1 S2 P1 BK BK P2 RD 2 PK 4 GY GY Pilot LR RR Switch LF Switch R...

Page 22: ...ement 6 To remove the Hot surface lamp a Remove the wires from the lamp b Push the side of lamp and lift it up then you can remove the lamp REASSEMBLY NOTE When you reinstall the element or lamp make sure that the wires are inserted into the correct tap then reinstall the bracket screw to secure it to the cooktop WARNING DISCONNECT power supply cord from the outlet before servicing Replace all pan...

Page 23: ...OVING THE CERAMIC GLASS COOKTOP OP THE THE SURF SURFACE ELEMENT AND THE HOT SURF ACE ELEMENT AND THE HOT SURFACE LAMP ACE LAMP 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 elect...

Page 24: ...thermal disk remove the 1 screw and remove the 2 wires 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 9 To romove the door switch a 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 b Disconnect the wires from the termi...

Page 25: ...nt forward so that you can access the terminals and disconnect the wires 2 Rear bracket Screws 4 Upper bracket Screws 2 Terminals 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 el...

Page 26: ...e element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bake element Hidden bak...

Page 27: ...rom 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 REMOVING THE CONVECTION ELEMENT F FAN BLADE AND F AN BLADE AND FAN MOT AN MOTOR OR Fan cover Convection heater Nut Fan cover Screws 3ea Mounting Screws 3ea Fan motor Screws 2ea Cavity Inner Outer Fan blade Support Washer...

Page 28: ...ips 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 Clips Socket Clips Viewed From Rear Pa...

Page 29: ...ontrol board chip 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 op...

Page 30: ...n oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connector Main oven Sensor connecto...

Page 31: ...Push the hinge locks up against the front frame of the oven cavity to the locked position Step 5 Close the oven door To remove the door Step 1 Fully open the door Step 2 Pull the hinge locks down toward Fig 1 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 approximately 5 degrees refer to the Fig ...

Page 32: ... 3 7 7 Remove the two screws 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 shoc...

Page 33: ...racket screws CAUTION Turn power OFF before removing the Lower oven Drawer 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 m...

Page 34: ...placing the variable thermostat finally check the electric test and wiring 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 m...

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

Page 36: ...er glass bracket Outer glass bracket Outer glass bracket Outer glass bracket Outer glass bracket Outer glass bracket Outer glass bracket Outer glass bracket Outer glass bracket Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass Outer glass lnsulat...

Page 37: ... 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 clip Gasket clip Gasket clip Gasket clip Gasket clip Gasket c...

Page 38: ...onnectors 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 ...

Page 39: ...le meter scale R x 1000 1 Refer to page 3 3 for the servicing procedure 2 Measure the resistance Multiple meter scale R x 1000 Normal Approximately 27 Ω 10 If not replace Components Test procedures Results NO COM Normal Approximately 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 switc...

Page 40: ...ale R x 1000 Normal Approximately 1 09 kΩ 10 If not replace Door open Door closed Continuity Infinite 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 10 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x 1 Normal Approximately 14 Ω 10 If not r...

Page 41: ... temperature NOTE Ω Value was tested at room temperature 77F 25 C Be careful the element is sensitive to temperature Drawer Upper heater Drawer Lower heater 1 Refer to page 3 18 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x1 Normal Approximately 144Ω 10 If not replace 1 Refer to page 3 18 for the servicing procedure 2 Measure the resistance after ...

Page 42: ...4 5 Oven lamp 1 Measure the resistance after cooling down Multiple meter scale R x1 Components Test procedures Results Normal Below 5 Ω If not replace ...

Page 43: ... H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 2 P 3 L1 5 L2 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 1 H1 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 H2 4 ...

Page 44: ...rn on turn off the knob position measure the resistance between P2 to 4 Components Test procedures Results 2 1 2 P1 Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot P2 2 4 P1 Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot P2 2 4 Infinite Switch CR Off On P1 2 P2 4 P1 2 P2 4 Infinite open circuit Infinite open circuit Continuit...

Page 45: ... turn off the knob position measure the resistance between P1 to 2 6 When turn on turn off the knob position measure the resistance between P2 to 4 and P2 to 4a Components Test procedures Results 2 2 1 A B P1 2 P2 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4 S1 S2 P1 2 P2 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4 S1 S2 P1 2 P2 4a 4a 4a 4a 4a 4a 4a 4...

Page 46: ...h LF Off On P1 2 P2 4 P2 4a 4 4a P1 2 P2 4 P2 4a 4 4a Infinite open circuit Infinite open circuit Infinite open circuit Infinite open circuit Continuity short circuit Continuity short circuit Infinite open circuit Infinite open circuit Infinite open circuit Infinite open circuit Infinite open circuit Infinite open circuit Continuity short circuit Continuity short circuit Continuity short circuit C...

Page 47: ... knob position measure the resistance between P1 to 2 6 When turn on turn off the knob position measure the resistance between P2 to 4 Components Test procedures Results T r ip le Dual Single 2 2 1 A B P1 2 P2 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4 S1 S2 P1 4b J4 2 P2 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4 S1 S2 P1 4b J4 2 P2 4a 4a 4a 4a 4a...

Page 48: ... the single type check the dual type at the same procedure Components Test procedures Results Infinite Switch LF J4 4b J4 4b OFF ON Others are same as dual circuits Infinite open circuit Continuity short circuit Triple type Knob Position Results P1 2 P2 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4 S1 S2 P1 4b J4 2 P2 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4a 4...

Page 49: ...eck the single type check the dual type at the same procedure Components Test procedures Results 200 F Warm 450 F 400 F 350 F 300 F 250 F 2 2 1 A B L1 T2 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 H H H H H H H H H H H H H H H H H H L1 T2 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 T3 H H H H H H H H H H H H H H H H H H NOTE Ω Value was tested at room temperature 75F 24 C Part OF...

Page 50: ...ads to limiter terminals 1A and 2A The meter should indicate continuity 0Ω 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 Components Test procedures Results Normal Approximately 46 Ω If not replace Normal continuity below 0 5 Ω...

Page 51: ... terminal E1 and E2 The meter should indicate 570Ω 10 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 Components Test procedures Results Normal Approximately 570 Ω If not replace Below 150 F open circuit infinite Above 150 F con...

Page 52: ...e meter should indicate continuity 0 Ω 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 0 Ω Dual surface units Left Front LF Element Components Test procedures Results Normal Approximately 40 Ω Normal Approximately 35 Ω Normal conti...

Page 53: ... ohmmeter test leads to limiter terminals 1A and 2A The meter should indicate continuity 0Ω 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 Components Test procedures Results Normal Approximately 70 5 Ω Normal Approximately 50 Ω...

Page 54: ...5 1 COMPOSITION OF CONTROL Main PCB P N EBR52349505 Power PCB P N EBR57124701 Relay PCB P N EBR60938302 Key PCB P N EBR60939401 Front Back Back Controller assembly Back cover ...

Page 55: ...5 2 Main PCB Main PCB P N EBR52349505 Power PCB Power PCB P N EBR57124701 COMPOSITION OF CONTROL ...

Page 56: ...5 3 Relay PCB Relay PCB EBR60938302 COMPOSITION OF CONTROL Key PCB Key PCB P N EBR52350001 ...

Page 57: ...Power Off State Power On State Power Failed Dead No display Go to No 4 Yes Reconnect or repair the connector CN1 CN10 CN9 1 2 Is the electric wiring normal Measure the resistance Power cord and CN01 s connection Normal continuity Abnormal infinite Code L1 to Pin1 of CN01 RD Code N to Pin3 of CN01 WH Yes Power Off No Replace the defective harness L1 L1 RD color is L1 White color is N L2 GND N N 3 N...

Page 58: ...oximately AC 3 4 4 6 V No Replace the Power PCB 4 PIN No of CN9 Voltage PIN4 PIN5 GND approximately 24 35 V PIN5 PIN6 approximately AC 3 4 4 6 V Power Off Is the voltage of Main PCB s Vcc 4 5V 5 5V Check the voltage between pin2 and pin3 of IC2 No Replace the Main PCB 5 IC02 3pin 2pin GND Check the voltage of Main PCB Is the voltage as below No Replace the harness CN9 to CN10 Replace the Main PCB ...

Page 59: ...6 3 FAILURE MODE FLOW CHART Heater Resistance Sensor Resistance 3 400W Symptom Check Point 1 No heating 1 Check Electric Wiring 2 F11 2 Check Heater s Resistance 3 Check the Sensor ...

Page 60: ...aps 3 Electric wiring of electric element No Reconnect or repair the connector 1 CN10 CN7 Broil Conv Bake All taps Power Off Yes No Is the heater normal Measure the resistance of each heater The resistance is shown below No Replace the Failed heater 2 Broil Bake Power Off Range Of the resistance yes Heater Resistance Ω Approximately Broil 13 0 Bake 17 0 Convection 80 ...

Page 61: ...Normal the sensor value is from 70_ to 90 F at 25 C Yes Go to No 6 4 No Range Of the resistance Heater Resistance Ω Approximately Broil 13 0 Bake 17 0 Convection 80 Power On Is the resistance of thermistor normal Check Pins 1and 2 of CN5 wiring in main PCB Normal approximately 1 09_ at 25_ No Replace the failed thermistor 5 No Power Off CN5 6 Replace the Relay PCB EBR60938302 If it doesn t work ev...

Page 62: ...6 6 FAILURE MODE FLOW CHART Door lock Relay Symptom Check Point 1 Door Lock System 1 Check Electric Wiring Failure 2 Check Motor s Resistance 2 F 10 3 Check the Relay PCB Lock Motor Relay ...

Page 63: ... Main PCB and Relay PCB CN7 CN10 2 Electric wiring of relay PCB CN12 3 Electric wiring of Locking Motor and Micro Switch 4 Electric wiring of CN4 of Main PCB Yes Reconnect or repair the connector 1 CN12 CN7 CN4 Power Off Yes Yes Is the door lock switch micro switch normal measure the resistance of door lock switch normally open type Yes Replace the micro switch 2 Power Off Yes Normal Abnormal Is t...

Page 64: ...6 8 FAILURE MODE FLOW CHART Symptom Check Point 1 Sensing Fail 1 Check the Electric Wiring 2 F 1 2 Check the Test Mode 3 F 2 3 Check the Sensor s Resistance ...

Page 65: ...and 2 of CN5 wiring in main PCB Normal approximately 1 09 at 25 Ω Yes Replace the failed thermistor 2 CN5 Power Off No Is the value of thermistor normal Check using the test mode To enter the testmode follow these steps 1 press the clear key 2 press the BAKE BROIL key at the same time 3 press the BAKE BROIL key at the same time again 4 press the NUM 3 key Normal the sensor value is from 70_ to 90 ...

Page 66: ...6 10 FAILURE MODE FLOW CHART Symptom Check Point 1 Oven hot 1 Check the Resistance of the Relay 2 F 6 Relay Short check 3 400W ...

Page 67: ...he failed thermistor 1 CN5 Power Off Yes Yes Is the Heater relay normal Measure the resistance of heater relay and L Normal infinite Abnormal continuity No Replace the failed thermistor 2 TAB2 L1 RD Wire Power Off TAB5 L1 TAB3 Yes Yes Is the DLB relay normal Measure the resistance Normal infinite Abnormal continuity Yes Replace therelayPCB EBR60938302 3 Power Off Normal Abnormal ...

Page 68: ...t mode To enter the testmode follow these steps 1 press the clear key 2 press the BAKE BROIL key at the same time 3 press the BAKE 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 No Replace the Main PCB EBR52349505 4 Power On ...

Page 69: ...6 13 FAILURE MODE FLOW CHART Symptom Check Point 1 Keypad Failure 1 Check the Door Locking System 2 F 3 Error 2 Check the Electric Wiring ...

Page 70: ...ith each other from 1pin to 14pin No Replace or repair the wire 2 11pin 11pin Power Off Is the Key PCB normal operation Check Re connect CN1 of Key PCB and CN3 of Main PCB Using the key test mode To enter the test mode follow these steps 1 press the clear key 2 press the BAKE BROIL key at the same time 3 press the BAKE BROIL key at the same time again 4 press the NUM 7 key 5 Check the key refer to...

Page 71: ...d check the buzzer operation when key is accessed 2 If change the key access order the buzzer make another beep 3 The buzzer has no operation when key accessed it would be defected How to stop Key Test mode Press 1st _ 2nd _ _28th_26th CLEAR Press CLEAR Key operation T Key operation Test est ...

Page 72: ...clearance Cabinets not square or are built in too tightly Contact builder or installer to make appliance accessible Carpet interferes with range Provide sufficient space so range can be lifted over carpet Electronic control has detected a fault condition Touch CLEAR OFF to clear the display and stop beeping Reprogram oven If fault recurs record fault number Touch CLEAR OFF and contact a Service ag...

Page 73: ...he User s Guide Control not set properly Follow instructions under Setting Oven Controls Meat too close to the element Reposition the rack to provide proper clearance between the meat and the element Preheat broil element for searing Meat not properly prepared Remove excess fat from meat Cut remaining fatty edges to prevent curling Insert on broiler pan wrong side up and grease not draining Always...

Page 74: ...oth flat bottomed cookware Scraping of metal utensils on cooktop surface Do not slide metal utensils on cooktop surface Use a ceramic glass cooktop cleaning creme to remove the marks See Cleaning the Glass Ceramic Cooktop in the MAINTENANCE section page 42 43 in the User s Guide Boilovers are cooked onto surface Use the blade scraper to remove soil See Cleaning the Glass Ceramic Cooktop in the MAI...

Page 75: ...52Ω 800W outer approx 72Ω CR 100W approx 570Ω WIRE COLORS SYMBOL COLOR BK BLACK RD RED WH WHITE BN BROWN PK PINK YL YELLOW BL BLUE GY GRAY GN GREEN OR ORANGE VI VIOLET 3 400W SCHEMATIC DIAGRAM 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 O...

Page 76: ...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 CONV BAKE CONV ROAST 4 000W 700W 3 500W 700W BROIL HEATER BAKE HEATER CONV HEATER CONV HEATER DLB RY8 RY9 RY7 RY6 Relay PCB RY5 TAB6 7 8 TAB4 TAB3 TAB5 BL BL OR BL BL BN OR TAB2 BN BK RD L Oven L2 L1 3 400W SELF CLEANING 3 400W ...

Page 77: ... Pilot 4 GY GY 2 BK BK PK BN RD RD RD BK 1 7 Lamp Indicator On Lamp Indicator Lamp Residual Heat Neon RR Cook top Element 1 200W RR Single L1 Power Relay L2 2P OR OR RD RD Regulator for RR 6 BK BK L2 L1 YL OR H2 H1 BK BK YL GY 1a 1b 2b 2a RD BK 3 9 On Indicator Lamp Residual Heat Indicator Lamp Lamp Neon For Model LSE3092ST ...

Page 78: ...nn 1 100W L1 800W RF Out Power Relay BL BK BK BL BL BK BK BN GY 1a 1b YL RD RD RD 2a 2b PK S1 P1 4b 4 GY P2 2 S2 4 4a Regulator for RF 12 GY BK 3 9 Lamp Indicator On Lamp Indicator Lamp Residual Heat Neon LF Cook top Element L2 L1 LF Inner 1 400W LF Outer 1 600W Power Relay BK BK RD RD Regulator for LF 9 4 4a S2 2 P2 S1 P1 BK BL BL BL BN BN VI RD PK BK 2a 1a 2b 1b BK 7 1 Indicator On Neon Residual...

Page 79: ... 10 1 EXPLODED VIEW EV INTRODUCTION DOOR PARTS DRAWER PARTS COOKTOP PARTS CONTROLLER PARTS CAVITY PARTS MODEL ...

Page 80: ... 10 2 DOOR PARTS 1381 W149 W109 W172 1015 1009 1020 1028 1734 1018 W149 W149 1733 1733 1703 1703 W243 W225 W222 1000 W101 W101 W149 1734 1704 1704 EV ...

Page 81: ... 2010 2501 2388 2082 2026 W280 2082 2026 2086 2083 2085 2082 2026 2061 W280 2005 2021 2440 2440 2440 2440 2440 2440 2410 2088 2088 2088 2430 2400 2420 2088 W280 W231 2088 2088 W237 W280 2400 2021 2021 2021 2021 2021 2083 5072 2084 2026 2026 W144 2041 2082 EV ...

Page 82: ... 10 4 COOKTOP PARTS 3016 3014 W231 W231 W144 W144 3303 3303 3022 W232 W232 3056 3401 W172 3058 3006 3098 3058 3301 3402 3302 3402 3107 W144 W144 W105 W105 9000 3079 EV ...

Page 83: ...228 8506 W144 W144 W144 8505 8535 8545 W144 W144 W144 8540 8517 W144 8511 W229 9381 W105 W144 8512 W144 W144 8515 W144 8504 8518 W144 W144 8502 8503 8520 8520 W109 W108 W108 W109 8522 5505 5505 5536 W172 W172 W109 3006 8541 8519 8539 3006 W144 W144 W144 W144 W144 8517 8538 5506 W109 8509 EV ...

Page 84: ...109 5503 5041 5001 W109 5404 5507 W231 5401 3063 3013 9001 5501 5016 W144 5517 W144 5701 W109 SPEC 5014 3044 3144 3501 3503 5019 5032 3512 3504 3502 3007 5508 W146 W130 W235 W234 3006 5504 W109 3006 W109 W144 W144 W144 W144 W144 W144 W144 W146 W146 5070 5502 W293 W144 5124 W102 W144 5006 5049 3006 5409 5700 5700 5410 5206 5037 W109 3006 5506 W230 W144 W144 W144 W144 W144 W144 W144 W144 W144 W144 W...

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