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LG LUDP8997SN - User Manual

LG LUDP8997SN
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DISHWASHER
SERVICE MANUAL
NOTE
For Authorized Service Technicians
CONFIDENTIAL
MODEL : LUDP8997SN / LDT7797ST / LDP6797ST /
LDP5676BD / LDT5665ST / LDF5545ST / LSDF9897**
LDT7808** / LSDT9908**


Any reproduction or duplication (including by way of email, facsimile or other electronic means),
publication, modification, copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you
have obtained the prior written consent of the LG Electronics entity from which you received this Service
Manual. The material covered by prohibition includes, without limitation, any text, graphics or logos in this
Service Manual.
Copyright ⓒ 2017 LG Electronics Inc. All rights
reserved. Only for training and service purposes.

Table of Contents

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Do you have a question about the LG LUDP8997SN and is the answer not in the manual?

Summary

Important Safety Notice

General Safety Precautions

Provides crucial safety information for service technicians before working on the appliance.

Appliance Specifications

Product Features and Operation

Control Panel Overview

Explains the operation of the power, display, cancel, and start buttons on the control panel.

Wash Cycles and Options

Wash Cycle Descriptions

Details available wash cycles like Auto, Heavy, Delicate, Normal, Turbo, Rinse, and Express.

Wash Cycle Options

Explains various options like Dual Zone, Half Load, Energy Saver, High Temp, Extra Dry, and Delay Start.

Test Mode Procedures

Component Identification

Program Charts and Schematics

Disassembly Procedures

Exterior Component Disassembly

Steps for removing lower cover, front cover, control panel, and door liner assemblies.

Internal Component Disassembly

Instructions for removing tub racks, sump, air guide, main PCB, pump, and other internal parts.

Troubleshooting by Error Message

Common Error Code Troubleshooting

Lists common error messages, their causes, and remedies for Inlet, Drain, Thermal, Motor, and other errors.

Troubleshooting Flowcharts

Water Supply, Drain, and Error Code Flowcharts

Diagnostic flowcharts for water supply, drain issues, and common error codes like AE, FE, HE, LE, NE.

Symptom-Based Troubleshooting

Power, Button, and Result Troubleshooting

Diagnoses and solutions for symptoms like no power, button malfunctions, poor washing/drying, and motor issues.

Installation Instructions

Cabinet Prep, Wiring, Water Supply, and Leveling

Guides for cabinet prep, electrical wiring, water supply, leveling, and securing the dishwasher.

Final Installation Checks

Steps for performing final checks after installation, including power, water, and leak testing.

Exploded Views

Wiring Diagrams

PCB Wiring Diagrams

Wiring diagrams detailing connections for main, display, and MCU PCB boards.

Appendix

Sound Insulation Installation Guide

Guide for installing sound insulation sheets to reduce dishwasher noise.

Summary

Important Safety Notice

General Safety Precautions

Provides crucial safety information for service technicians before working on the appliance.

Appliance Specifications

Product Features and Operation

Control Panel Overview

Explains the operation of the power, display, cancel, and start buttons on the control panel.

Wash Cycles and Options

Wash Cycle Descriptions

Details available wash cycles like Auto, Heavy, Delicate, Normal, Turbo, Rinse, and Express.

Wash Cycle Options

Explains various options like Dual Zone, Half Load, Energy Saver, High Temp, Extra Dry, and Delay Start.

Test Mode Procedures

Component Identification

Program Charts and Schematics

Disassembly Procedures

Exterior Component Disassembly

Steps for removing lower cover, front cover, control panel, and door liner assemblies.

Internal Component Disassembly

Instructions for removing tub racks, sump, air guide, main PCB, pump, and other internal parts.

Troubleshooting by Error Message

Common Error Code Troubleshooting

Lists common error messages, their causes, and remedies for Inlet, Drain, Thermal, Motor, and other errors.

Troubleshooting Flowcharts

Water Supply, Drain, and Error Code Flowcharts

Diagnostic flowcharts for water supply, drain issues, and common error codes like AE, FE, HE, LE, NE.

Symptom-Based Troubleshooting

Power, Button, and Result Troubleshooting

Diagnoses and solutions for symptoms like no power, button malfunctions, poor washing/drying, and motor issues.

Installation Instructions

Cabinet Prep, Wiring, Water Supply, and Leveling

Guides for cabinet prep, electrical wiring, water supply, leveling, and securing the dishwasher.

Final Installation Checks

Steps for performing final checks after installation, including power, water, and leak testing.

Exploded Views

Wiring Diagrams

PCB Wiring Diagrams

Wiring diagrams detailing connections for main, display, and MCU PCB boards.

Appendix

Sound Insulation Installation Guide

Guide for installing sound insulation sheets to reduce dishwasher noise.

LG LUDP8997SN Specifications

General IconGeneral
Stylebuilt-in dishwashers
Colortextured steel, stainless steel
Load Capacity15
Number of Cycles9
Cycle Selectionsauto, heavy, delicate, normal, turbo, download cycle, machine clean, rinse, express
Options/Settingsenergy save, half load, delicate wash, normal, auto, rinse, heavy wash, high temperature wash, express cycle, turbo, extra dry, machine cleaning
Drying Typecondenser drying
Noise level40 decibels adjusted
Control Typetouchpad
Delay Startyes
Child Lockyes
Load Sensoryes
Number of Racks3
Cycle Signalyes
Food Disposerno
Sanitize Settingsyes
Wi-Fiwi-fi
Smart Hometrue, amazon alexa, google assistant
Annual Energy Consumption269 kilowatt hours
Water Consumption Per Cycle2.8 gallons
Voltage120 volts
Current15 amperes
Weight and Dimensions IconWeight and Dimensions
Depth24 5/8 inches
Height33 5/8 inches
Width23 3/4 inches
Net Weight83.8 pounds

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