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LG LRE3085ST - User Manual

LG LRE3085ST
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1
30” Freestanding Electric Range
SERVICE MANUAL
MODEL: LRE3085ST
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Website http://biz.lgservice.com
P/NO : MFL37118326
May, 2013
Printed in Korea
Internal Use Only

Table of Contents

Other manuals for LG LRE3085ST

Questions and Answers

  • A
    Amanda ShepardAug 14, 2025
    How to fix clock and timer on LG Ranges?
    • S
      Shelley MartinezAug 14, 2025
      If the clock and timer on your LG Ranges are not working, consider the following: * Power outage: Verify power is present at the unit. * Power outage: Verify that the circuit breaker is not tripped. * Power outage: Replace the household fuse, but do not increase fuse capacity. * Power outage: Refer to the Owner’s manual instructions.
  • K
    Katelyn CobbAug 17, 2025
    Why is my LG LRE3085ST oven not baking?
    • B
      Brandon BrownAug 17, 2025
      If your LG Ranges oven isn't baking when set to BAKE or TIMED BAKE, there might be a few reasons: * A loose or bad wiring: Ensure all connections are clean and tight, and replace any broken wires. * A defective bake element: Test and/or replace the bake element. * A defective electronic clock: Replace the main PCB or relay PCB. * A door switch sensing error: Test the door switch and check the contact point between the door and the door switch.
  • M
    Michelle FlowersAug 20, 2025
    What to do if my LG Ranges oven is overheating?
    • T
      Travis PriceAug 20, 2025
      If your LG Ranges oven is overheating, it could be due to: * Loose or bad wiring to the latch system: Repair or replace the wiring. * Defective oven sensor: Test and/or replace the oven sensor. * Bad main PCB: Test and/or replace the PCB.
  • C
    chapmankarenAug 25, 2025
    Why is my LG Ranges oven not broiling?
    • J
      Javier BurnettAug 25, 2025
      If your LG Ranges oven isn't broiling, check for these potential issues: * Loose or bad wiring: Verify all connections are clean and tight, and replace any broken wires. * Defective BROIL element: Test and/or replace the bake element. * Defective main PCB or relay PCB: Replace the main PCB or relay PCB.
  • A
    Anthony GarciaAug 27, 2025
    What to do if LG LRE3085ST Ranges oven door will not open or latch?
    • M
      Michael JonesAug 27, 2025
      If the oven door on your LG Ranges won't open or latch, it might be because of: * A defective latch mechanism: Replace the door latch system. * A defective (bent) door latch lever: Replace the latch lever.
  • T
    Timothy JonesAug 30, 2025
    How to fix LG LRE3085ST Ranges door that does not close completely at top?
    • N
      Nicole SmithAug 30, 2025
      If the door on your LG Ranges doesn't close completely at the top: * Broken or misadjusted door spring: Adjust or replace the hinges. * Door fits too tight at the bottom: Adjust the hinges outward.
  • B
    bradleydanielSep 2, 2025
    Why is LG LRE3085ST oven door sagging on one side?
    • T
      Theresa CarterSep 3, 2025
      If the oven door on your LG Ranges is sagging on one side, the cause might be hinge loose or out of position to oven liner. Adjust or replace the hinges.
  • M
    Michael FordSep 6, 2025
    Why LG LRE3085ST Ranges electronic timer will not accept programming?
    • R
      Rachel EllisSep 6, 2025
      If the electronic timer on your LG Ranges will not accept programming, it is likely due to a failed main PCB. Replace the main PCB.
  • A
    asmithSep 9, 2025
    What causes premature burnout of bake element in LG Ranges?
    • M
      Michael AlvarezSep 10, 2025
      Premature burnout of the bake element in your LG Ranges can be caused by improper use of the oven, for example, being used to heat the home. Use the oven for baking only.

Summary

Service Manual Title and Safety

Cover Page Safety Caution

Safety warning on the cover page of the service manual.

Forward and Safety Precautions

Forward Introduction

Introduction to the LG service manual for the electric range.

Essential Safety Precautions

Critical safety warnings and guidelines for appliance servicing and operation.

General Information and Specifications

Important Safety Instructions

Detailed safety instructions and warnings for operating and servicing the oven.

Model and Serial Number Locations

Visual guide showing the location of the model and serial number labels.

Specifications Overview

Comprehensive specifications for the LG electric range, including dimensions and power.

Using Your Range

General Usage and Control Panel Features

Information on range usage, control panel features, and their functions.

Operating Surface Units, Clock, and Settings

Instructions for operating surface units, clock, and various range settings.

Warming Drawer Operation

Instructions for operating the warming drawer and setting its temperature levels.

Component Access and Removal

Component Locations and Controller Removal

Diagram of component locations and steps for removing the controller assembly.

Removing Elements, Door, and Latch Systems

Procedures for removing heating elements, oven door, and latch systems.

Removing Other Internal Components

Instructions for removing oven light, door lock, and temperature sensor.

Removing Side Panel

Step-by-step guide to remove the side panel of the appliance.

Component Testing Procedures

General Testing Precautions and Motor;Sensor Tests

Testing precautions and procedures for motors, sensors, and switches.

Heater, Lamp, and Surface Unit Tests

Resistance testing procedures for heaters, lamps, and surface units.

Control System Composition

Wiring Diagram and Key Matrix

Schematic diagram showing electrical connections and the key matrix layout.

Control Board and PCB Identification

Visual identification of main PCB, relay PCB, display PCB, and keypad.

Service Test Modes and Failure Codes

Service Test Mode Procedures

Step-by-step guide to enter and use the service test mode for diagnostics.

Failure Code Summary and Interpretation

Summary of error codes, their descriptions, and corresponding check points.

Troubleshooting Flowcharts

Flowcharts for Power, Heating, and Cooktop Issues

Troubleshooting flowcharts for power failure, heating, and cooktop problems.

Flowcharts for Door Lock, Sensing, and Oven Hot Issues

Troubleshooting flowcharts for door lock, sensing, and oven hot errors.

Flowcharts for Keypad and Other Failures

Troubleshooting flowcharts for keypad failures and other miscellaneous errors.

Trouble Shooting Guide

Oven Operation, Heating, and Light Issues

Table of problems, causes, and solutions for oven operation, heating, and light.

Door, Gasket, Smoke, and Fan Noise Issues

Solutions for door, gasket, smoke, fan noise, and temperature issues.

Schematic Diagrams

Overall Wiring and Strip Circuits

Complete wiring schematic and diagnostic strip circuits for the appliance.

Exploded View Parts Identification

Door, Controller, and Cooktop Parts

Exploded views of door, controller assembly, and cooktop components.

Drawer and Cavity Parts

Exploded views of the drawer and main oven cavity components.

LG LRE3085ST Specifications

General IconGeneral
TypeFreestanding
Fuel TypeElectric
Oven Capacity6.3 cu. ft.
Number of Burners5
Self-CleaningYes
Wi-Fi ConnectivityNo
ColorStainless Steel
ConvectionYes
Warming DrawerNo
Cooktop SurfaceSmooth Glass
Width29.875 inches

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