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LG LRG3095SW Owner's Manual

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30" Freestanding Gas Range SERVICE MANUAL

MODEL: LRG3097ST

LRG3095ST

LRG3095SB

LRG3095SW

CAUTION

BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

December, 2009

Printed in Korea

FORWARD

This LG Service Manual, “30” Freestanding Self-Cleaning Gas Range,” provides the technician with information on the operation and service of the Freestanding Self-Cleaning Gas Range. It is to be used as a training Service Manual. For specific information on the model being serviced, refer to the “Owner’s Manual” or “Tech Sheet” provided with the gas range.

SAFETY PRECAUTIONS

• Repairs of the appliance should be carried out by a licensed technician only. Incorrect repairs may result in dangerous situations. If you need repairs, contact an LG Service Center or your dealer.

• If the power cord is defective, it must be replaced by a qualified service agent with a UL listed range cord.

• Electrical leads and cables should not be allowed to touch the oven.

• Rating plate is located on the left side of warming drawer.

• The power supply of the appliance should be turned off when it is being repaired.

WARNING

If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. If you smell gas:

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

• If you cannot reach your gas supplier, call the fire department.

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.

• DO NOT Touch when the oven operates.

• The interior parts will be very hot.

LG Electronics assumes no responsibility for any repairs made on our products by anyone other than Authorized Service Technicians.

TABLE OF CONTENTS

GENERAL.....1-1 ~ 1-5
• Important safety instructions .....1-1 ~ 1-3
• Model & Serial number label and tech sheet locations .....1-4
• Specifications .....1-5

USING YOUR RANGE .....2-1 ~ 2-6
• General information .....2-1
• Control panel features .....2-2 ~ 2-5

• To turn on on the surface burners
• Setting the Clock
• Start, Clean/Off and On/Off pad
• To turn On/Off the oven light
• Timer On/Off
• Warm(Options: Hold 3 sec) pad: (6 types of category).
• Bake, Timed Bake, Delayed timed Bake
• Broil
• Convection Bake
• Convection Roast
• Favorite
• Warm
• Time cook with warm
• Oven lockout
• Changing hour mode on clock (12HR, 24HR)
• Proof
• Self-Clean
  • Warming drawer .....2-6

COMPONENT ACCESS .....3-1 ~ 3-21
• Component Locations .....3-1
• Removing the Back, Control cover 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 Fan motor .....3-11
• Removing the Oven light & Socket assembly .....3-12
• Removing the latch drive assembly .....3-13

• Door locking mechanism .....3-13
  • Removing the Oven temperature Sensor .....3-14
  • Removing & Replacing the Warming drawer element (Some Model) .....3-15
  • Removing & Replacing the Lift-off Oven Door .....3-16
  • Removing the Oven Door Handle & Glass .....3-17 ~ 3-18
  • Removing the Oven Door Gasket & Drawer Gasket .....3-19
  • Removing a Side Panel .....3-20
  • Removing the Oven Valve (Safety Valve) & Gas Regulator .....3-21

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
• Relay 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