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LG LSRG309ST, Service Manual

The LG LSRG309ST gas range offers exceptional cooking performance and versatility. Perfect for empowering home chefs, this sleek appliance features a spacious oven, powerful burners, and intuitive controls. Enhance your culinary experience with the user-friendly Owner's Manual, available for free download at 88.208.23.73:8080. Get cooking today!

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COMPONENT TEST - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1 ~ 4-4

• Convection Motor - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1
• Door locking Motor  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-2
• Micro Switch (normally open type) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-2
• Oven Sensor  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-2
• Door switch  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3
• Oven lamp  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3
• Warming Drawer heater  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3
• Broil or bake igniter - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-4
• Oven (safety) valve - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-4
• Ignition switch - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-4

CONVERSION TO LP GAS  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-1 ~ 5-5

COMPOSITION OF CONTROL  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-1 ~ 6-2

• Oven Main PCB - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-2
• Power PCB- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-2
• Rellay PCB  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-2

DIAGNOSIS THROUGH SCHEMATIC - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-1

CHECK THE FAILURE CODE (F-code) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-1

FAILURE CODE SUMMARY - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-1

CHECKING FLOW CHART BY FAILURE - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-1 ~ 10-17

• Power Failed(Dead), No display?  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-2 ~ 10-3
• Oven does not heat, F-11  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-5 ~ 10-6
• Warm drawer does not heat  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-7
• Door Lock  System Failure, F-10? - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-9
• Sensing Fail, F-1, F-2? - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-11
• Oven too hot, F-6, F-16?  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-13 ~ 10-14
• F-3 error (Touch-sensor key error) Or Key does not input - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-16
• Key operation Test  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-17

TROUBLE SHOOTING  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-1 ~ 11-4

EXPLODED VIEW - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12-1 ~ 12-6

REPLACEMENT PARTS LIST - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 13-1 ~ 13-4

Summary of Contents for LSRG309ST

Page 1: ...s Range SERVICE MANUAL MODEL LSRG309ST CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http us lgservice com P NO MFL63290103 February 2010 Printed in Korea 삼 흥 정 판 Internal Use Only ...

Page 2: ...side of warming drawer 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 t...

Page 3: ...over and Key pad assembly 3 2 Removing the Spark Module IG Trans and Power Control Board 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 Door Switch 3 8 Removing the BROIL Burner assembly 3 9 Oven Bottom the Frame guide and the Burner assembly 3 10 Removing the CONVECTION an blade and F...

Page 4: ...ower PCB 6 2 Rellay PCB 6 2 DIAGNOSIS THROUGH SCHEMATIC 7 1 CHECK THE FAILURE CODE F code 8 1 FAILURE CODE SUMMARY 9 1 CHECKING FLOW CHART BY FAILURE 10 1 10 17 Power Failed Dead No display 10 2 10 3 Oven does not heat F 11 10 5 10 6 Warm drawer does not heat 10 7 Door Lock System Failure F 10 10 9 Sensing Fail F 1 F 2 10 11 Oven too hot F 6 F 16 10 13 10 14 F 3 error Touch sensor key error Or Key...

Page 5: ...ding 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 clothing or other flammable materials contact burners grates or interior surfaces of oven until...

Page 6: ... let clothing or other flammable materials contact burners grates 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 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 o...

Page 7: ...at the OFF position and all grates are cool before attempting to remove them IMPOR IMPORT TANT SAFETY INSTR ANT SAFETY INSTRUCTIONS UCTIONS 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: ...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: ... Broiler pan Type Element Warming rack Oven Interior W x H x D Exterior Width Exterior Height Exterior Depth Net weight lbs kg Rating 30 Freestanding STS Glass Touch Knob Scroll VFD Yes Yes Yes Setting 6 categories 1 Convection auto conversion On Off 2 Thermostat Adjustment 3 Language English or French 4 Preheating alarm Light On Off 5 Beeper volume loud normal low mute 6 Temperature unit F C 7 Cl...

Page 10: ...ing is not required when using broil All foods should be turned at least once except fish which does not need to be turned Convection Bake Roast Mode During a convection bake the fan and the burner run opposite of each other however on a convection roast the fan and burner operate at the same time after preheat has been completed Convection bake should be used for cooking casseroles and roasting m...

Page 11: ...to proof bread 9 CLOCK PAD Touch the pad to set the time of day 10 COOK TIME PAD Touch this pad and then touch the number pads to set the amount of time you want your food to cook The oven will shut off when the cooking time has run out 11 START TIME PAD Touch this pad and then touch the number pad to set delayed start time The oven will start at a time you set 12 TIMER ON OFF PAD Touch the pad to...

Page 12: ...AND ON OFF PAD 1 Touch START pad to start oven 2 Touch CLEAR OFF pad to cancel a program during cooking or Erase during programming 3 Touch ON OFF pad to start or cancel the surface unit 4 TO TURN ON OFF THE OVEN LIGHT The oven light automatically turns ON when the door is opened The oven light may also be manually turned ON or OFF by touch the OVEN LIGHT pad NOTE The oven light cannot be turned o...

Page 13: ... pad for C 3 Touch START pad 7 BAKE TIMED BAKE DELAYED TIMED BAKE 8 BROIL 9 CONVECTION BAKE 10 CONVECTION ROAST 11 FAVORITE 12 WARM 13 TIMED COOK WITH WARM 14 OVEN LOCKOUT 15 CHANGING HOUR MODE ON CLOCK 12HR 24HR 16 PROOF 17 SELF CLEAN 2 4 USING YOUR RANGE CONV ROAST Desired Temp START START FAVORITE Once Bread Twice Meat 3 times Chicken START SELF CLEAN Once 3 hour Twice 2 hour 3 times 4 hour STA...

Page 14: ...onto the drawer and be very difficult to clean Use only utensils and cookware recommended for oven use in the Warming Drawer To set the warming drawer control 1 Touch the WARM DRAWER SET OFF pad WARMER begins to blink 2 On the number pad touch 1 for Low 2 for Medium or 3 for High The warm drawer will begin to heat after a number pad is touched To cancel touch the WARM DRAWER SET OFF pad NOTES Touc...

Page 15: ...w COMPONENT LOCA COMPONENT LOCATIONS TIONS Main PCB Relay PCB Power PCB Spark module Burner body Cooktop valve Door switch Oven valve Bake burner Ignition switch Door lock assembly Broil burner Door locking motor micro switch Burner pipe Igniter broil Oven light Oven sensor Convection motor Igniter bake Gas pressure regulator Warming drawer heater ...

Page 16: ...ers 9 For servicing the key pad PCB the controller sub assembly should be separated in whole except the spark module IG trans 5 Remove the 6 screws of PCB assembly and separate PCB assembly after unpluging the connectors REMO REMOVING THE B VING THE BA ACK CONTR CK CONTROL CO OL COVER VER AND KEY P AND KEY PAD ASSEMBL AD ASSEMBLY Y WARNING DISCONNECT power supply cord from the outlet before servic...

Page 17: ...lt mode and check main pcb NOTE Refer to the page 6 1 6 2 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 Main PCB Relay PCB WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating ...

Page 18: ...ife 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 REMO REMOVING THE COOKT VING 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 19: ... REMO REMOVING THE CASE ASSEMBL VING THE CASE ASSEMBLY Y COOKT COOKTOP B OP BURNER ASSEMBL URNER 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 20: ...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 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2 screws 2...

Page 21: ... 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 2 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 22: ... 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 supply going to the range 2 Open the oven door 3 Remove the cooktop plate manifold and the case assembly see page 3...

Page 23: ... and then remove the igniter b 1 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 2 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 4 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 b 3 WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Fai...

Page 24: ...ER ASSEMBLY Y Igniter plug Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case Nozzle case 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 sc...

Page 25: ...Inner Outer Fan blade Support Washer Fan motor Washer Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut CAUTION Be careful not to bend the fan blade Failure to do so can result in vibration noise and poor performance of convection when operating Wire connection Wire connection Wire connection Wire connection Wire connection Wire...

Page 26: ...over 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 Clips Socket Clips Socket Clips ...

Page 27: ...om 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 rod 3 screws 3 screws 3 screws 3 screw...

Page 28: ...ity 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 can cut yourself 2 screws 2 s...

Page 29: ...ath 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 To Replace the Warming Drawer 1 Replace shield on the right glide of the drawer body 2 Pull the bearing glides to the front of the chassis glide 3 Align the glide on each side of the drawer with the glide slots on the range 4 Push the drawer int...

Page 30: ...lot 4 Push the hinge locks up against the front frame of the oven cavity to the locked position 5 Close the oven door To remove the door 1 Fully open the door 2 Pull the hinge locks down toward Fig 1 the door frame to the unlocked position 3 Firmly grasp both sides of the door at the top 4 Close door to the door removal position which is approximately 5 degrees refer to the Fig 2 5 Lift door up an...

Page 31: ...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 top liner s...

Page 32: ...ge 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 lnsulation cover lnsulatio...

Page 33: ...t 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 clip Gasket clip Gasket clip Gasket clip Ga...

Page 34: ...l so you can access the back of the unit 4 Remove the 15 screws from the rear panel and remove the panel see step 4 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 Fai...

Page 35: ...crews 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 4 screws 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters 2 connecters Gas supplier fitting Gas supplier fitting Gas supplier fittin...

Page 36: ...nnectors 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 i...

Page 37: ...sure the resistance after cooling down Multiple meter scale R x 1000 Normal Approximately 1 09 kΩ 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 switch make sure that they are connected correctly NOTE Oven...

Page 38: ... Door closed Continuity Infinite 1 Measure the resistance after cooling down Multiple meter scale R x1 Normal Approximately 5 Ω 10 If not replace 1 Refer to page 3 15 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x 1 Normal Approximately 24 Ω 10 If not replace NOTE Ω Value was tested at room temperature 77F 25 C Be careful the element is sensitive t...

Page 39: ...mal 45 Ω 100 Ω Room Temperature Resistance If not replace 1 Refer to page 3 21 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 21 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 Upside D...

Page 40: ... 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 Remove the storage drawer and the pressure regulator is located at the rear of the range 3 CON...

Page 41: ...enoting the location on the range where it is to be installed 1 Remove grates burner caps and burner heads 2 Remove the brass orifice spud in the chimney of each burner using a 13 32 or 10 mm nut driver 3 Install the LP orifice spuds into their correct positions as described previously Orifice Locations for LP Gas Conversion Kit BURNER OUTPUT RATINGS BTU HR BTU RATE ORIFICE CODE LSRG309ST LSRG309S...

Page 42: ...TU HR BTU RATE ORIFICE CODE LSRG309ST LSRG309ST LF LR RR RF INNER OUTER CTR BROIL BAKE 12 000 9 100 5 000 19 000 8 000 15 500 18 000 C D G B A I A B Natural Gas 5 W C P BURNER MODEL Orifice Locations for Natural Gas D I A C G B 4 To prevent leakage make sure the orifice spuds are securely screwed into the gas supply tubes 5 For the extra burner right front of LSRG309ST three orifice spuds will be ...

Page 43: ... shutter should be in fully open position Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counterclockwise to remove Counter...

Page 44: ...ocation Follow conversion process with original orifices to convert the appliance to the original 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 r...

Page 45: ...1 COMPOSITION OF CONTROL Front Back Controller assembly Main PCB P N EBR52349501 Power PCB P N EBR57124701 Relay PCB P N EBR52349701 Key PCB P N EBR52350001 Front Back PCB case assembly Control Supporter ...

Page 46: ...N10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN4 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 Rela Relay PCB y PCB P N EBR52349701 P Po ower PCB wer PCB P N EBR57124701 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN...

Page 47: ... Check relative part Symptom Oven lamp not operating Check the Lamp coil s resistance Symptom Oven hot F 6 Check All heater relays are open short Symptom no heating F 11 Check relative part Symptom Sensor error or no heating F 1 F 2 F 11 Check Sensor resistance ...

Page 48: ...he failure code as follow these steps 1 Touch the clear key 2 Touch the BAKE and BROIL keys at the same time for 3 seconds If the oven has some failures the Oven will show the failure code like FIG 1 If the oven do not has any failure the Oven will display it like FIG 2 NOTE After checking for the F code touch the CLEAR key to remove all codes Type of F code FIG 1 FIG 2 Times of the occurred failu...

Page 49: ...ver 60 seconds The oven temperature is over 650 F continuously during 2 minutes on cooking except self cleaning In case of Door Lock Failure in operating Lock motor If start oven temperature does not exceed 150 F and oven temperature is less equal than start temperature over 5 minutes on preheating where door is closed 1 Wiring 2 Oven Sensor 1 Wiring 2 Oven Sensor 1 Wiring 2 Key pad Oven Sensor 1 ...

Page 50: ...10 1 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Power Failure Dead 2 No Display 1 Check Electric Wiring 2 Check the Power PCB and Main PCB Voltage ...

Page 51: ... CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN1 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 CN9 3 Is the electric wiring normal Measure the resistance Power cord and CN01 s connection Normal continuity Abnormal infinite Code ...

Page 52: ...low No IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 IC02 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 3pin 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND 2pin GND PIN No of CN9 Voltage PIN4 PIN3 GND approximately 2...

Page 53: ...10 4 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 No heating 2 F11 1 Check Gas supply 2 Check Electric Wiring 3 Check Heater s Resistance 4 Check the Sensor ...

Page 54: ...N7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 Power Off 2 Is the glowbar ignitor normal Measure the resistance of each glowbar The resistance is shown on next page No Reconnect or repair the connector Replace the failed glowbar Broil glowbar igniter Bake glowbar igniter Power Off 3 Is the Gas valve normal Measure the resistance of Gas valve The resistance is shown on next page No Repl...

Page 55: ...al the sensor value is from 70 F to 90 F at 25 C Yes Go to No 6 Yes Power Off 5 Is the resistance of thermistor normal Check Pins 1and 2 of CN5 wiring in main PCB Normal approximately 1 09kΩ at 25 C No CN5 Replace the failed thermistor Range Of the resistance Heater Min Ω Max Ω Broil Glowbar 45 0 400 0 Bake Glowbar 45 0 400 0 Gas Valve Broil 1 1 5 Gas Valve Bake 1 1 5 Replace the Relay PCB EBR5234...

Page 56: ...onnect or loose connector 1 Between Main PCB and Relay PCB CN7 CN8 2 Electric wiring of relay PCB CN10 3 Electric wiring of drawer heater No Yes Yes CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 CN10 3pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin 4pin CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN...

Page 57: ...10 8 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Door Lock System Failure 2 F 10 1 Check the Electric wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Lock Motor Relay CN4 ...

Page 58: ...onnector 1 Between Main PCB and Relay PCB CN7 CN8 2 Electric wiring of relay PCB CN9 3 Electric wiring of Locking Motor and Micro Switch 4 Electric wiring of CN4 of Main PCB No Yes Yes CN9 CN4 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN8 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 CN7 Reconnect or repair the connect...

Page 59: ...10 10 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Sensing Fail 2 F 1 3 F 2 1 Check the Electric Wiring 2 Check the Test Mode 3 Check the Sensor s Resistance ...

Page 60: ... the NUM 3 key Normal the sensor value is from 70 F to 90 F at 25 C Yes Go to No 1 1 Power Off Is the disconnect or loose connector 1 Sensor connection 2 CN05 of Main PCB Sensor connection CN5 No Yes No Reconnect or repair the connector 2 Power Off Is the resistance of thermistor normal Check Pins 1and 2 of CN5 wiring in main PCB Normal approximately 1 09kΩ at 25 C Replace the failed thermistor Se...

Page 61: ...10 12 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Oven hot 2 F 6 1 Check the Resistance of the Relay ...

Page 62: ...of CN5 wiring in main PCB Normal approximately 1 09kΩ at 25 C CN5 Yes No No Replace the failed thermistor 2 Power Off Is the Heater relay normal Measure the resistance of heater relay and L Normal infinite Abnormal continuity Replace the relay PCB EBR52349701 Oven too hot F 6 F 16 Yes Yes Abnormal Normal Continuity Infinite 1pin CN10 Broil RY5 Relay Resistance L TAB1 L TAB1 L TAB1 L TAB1 L TAB1 L ...

Page 63: ...the voltage of Diode 1 Both D40 ends 2 Both D41 ends 2 Both D41 ends Normal approximately 0 V Abnormal approximately 9 6V 15 6V No Replace the Main PCB EBR52349501 5 Check the electric wiring connection It would be have wrong connection or electric wiring in defect Reconnect or replace the electric wiring D40 Broil D40 Bake ...

Page 64: ...10 15 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Keypad Failure 2 F 3 Error 1 Check the Door Locking System 2 Check the Electric Wiring ...

Page 65: ...e again 4 press the NUM 7 key 5 Check the key refer to the next page appendix No Replace The Key PCB EBR52350001 1 Power Off Is the disconnect or loose connector Between CN1of Key PCB and CN3 of Main PCB No Yes Reconnect or repair the connector F 3 error Touch sensor key error Or Key does not input Yes 2 Power Off Is the wiring between CN1 and CN3 nomal Check the open short test of wire facing wit...

Page 66: ...ity and 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 1 2 3 4 5 6 7 8 9 10 11 12 15 16 20 24 17 18 19 21 25 26 22 23 13 14 Fig 1 ...

Page 67: ...center of oven Place a level on the oven rack Adjust leveling legs at base of range until the oven rack is level Be sure floor is level and is strong and stable enough to adequately support range Contact a carpenter to correct the situation Be sure cabinets are square and have sufficient room for range clearance Make sure the electrical plug is inserted into a live properly grounded outlet Remove ...

Page 68: ...per oven controls setting The light bulb is loose or defective The plug on range is not completely inserted in the electrical outlet See the USING THE OVEN section in user s guide See the USING THE OVEN section in user s guide See the USING THE OVEN section in user s guide See the HOW TO ADJUST THE OVEN THERMOSTAT section in user s guide See the USING THE CLOCK AND TIMER section in user s guide Se...

Page 69: ...mperature inside the oven has not dropped below the locking temperature Allow the range to cool to room temperature and reset the controls See the USING THE SELF CLEANING OVEN section in user s guide This is normal Touch the CLEAR OFF pad Open the windows to get rid of smoke from the room Wait until the DOOR LOCKED light goes off Wipe up the excess soil and reset the clean cycle Allow the oven to ...

Page 70: ...ing too high Moisture escaping Drawer not fully closed Apply a small amount of vegetable oil to a paper towel and wipe the edges of the oven racks with the paper towel Do not use lubricant sprays Reset the clock If the oven was in use you must reset it by touching the CLEAR OFF pad setting the clock and resetting any cooking function To speed the process set a self clean cycle for a minimum of 3 h...

Page 71: ... 12 1 EXPLODED VIEW EV INTRODUCTION DOOR PARTS DRAWER PARTS COOKTOP PARTS CONTROLLER PARTS CAVITY PARTS MAY000 MFL552 OWNERS MANUAL MFL409 INSTALLATION MANUAL MODEL ...

Page 72: ... 12 2 DOOR PARTS 1704 1704 W144 W243 1000 1009 W222 W144 1020 W144 W144 1703 1733 W144 1733 1703 W144 1028 1018 W109 W149 W109 1015 1024 W172 1023 1381 EV ...

Page 73: ...2402 W144 W215 2075 2006 2009 2037 3006 2036 W130 2033 2048 2381 3006 W215 W144 W144 2030 W144 2041 2058 2501 W144 2128 W144 2028 W144 12 3 CONTROLLER PARTS EV ...

Page 74: ...2441 2442 W144 3401 W172 3990 3986 3991 3940 3960 3961 3962 3963 3992 3964 3950 3951 3957 3956 3978 3972 W294 3946 3945 3993 3996 3995 3994 W294 3982 W144 3953 3058 3983 3958 W144 W144 3954 3955 3959 3058 3984 3006 W144 W144 W144 W144 3980 3058 W109 3935 3058 3981 3930 3952 3947 3179 3977 3973 EV ...

Page 75: ...2 8508 8502 8507 8501 W109 W109 8514 8513 8513 W149 8518 W172 W172 8388 W144 W144 W228 5505 W144 W144 W108 W108 W144 5505 W144 W105 W105 W108 W144 W144 8505 W144 W144 W144 W144 8540 8541 W144 8550 3106 3106 W172 8708 8519 9501 W144 W144 8560 8511 W229 9381 8522 EV ...

Page 76: ...144 W144 W144 5902 W106 W144 W144 W144 W144 W144 W144 W291 5462 5955 W144 5905 5539 W144 5149 W290 W231 5932 5900 W144 5922 5911 5904 W109 W144 W144 W144 5931 W144 5409 5943 W231 W231 W231 W231 W231 W108 W109 5912 5921 5517 5901 5460 5900 5150 5951 5941 5903 5461 5942 W231 W231 W231 W292 W215 W109 W109 5952 5958 5464 5463 W144 W116 W144 W144 5536 5536 5149 W108 5010 5700 W144 5503 3502 3504 5019 E...

Page 77: ......

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