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Whirlpool 1997 "E" User Manual

Whirlpool 1997 "E"
80 pages
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March, 1997
SERVICE MANUAL
for the
1997 ā€œEā€ Models
OVER-THE-RANGE
MICROWAVE OVEN HOOD
COMBINATION
Printed in U.S.A. LIT4322167

Table of Contents

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Whirlpool 1997 "E" Specifications

General IconGeneral
BrandWhirlpool
Model1997 "E"
CategoryMicrowave Oven
LanguageEnglish

Summary

Important Safety Information

Note

Helpful information that explains a more complicated step, prior to carrying it out.

Caution

Information that will help you avoid actions that could cause product damage (scratches, dents, etc.) and damage to personal property.

Warning

Information that alerts you to potentially dangerous conditions causing serious personal injury (burns, fire and electrical shock, etc.) if procedures are not observed.

Service Technician Safety Precautions

Microwave Energy Exposure Prevention

Steps to prevent exposure to excessive microwave energy during servicing.

RF Leakage Test

Equipment

Lists necessary tools and devices for RF leakage testing.

Test Procedure

Step-by-step instructions for performing the RF leakage test.

Theory of Operation

Control Board and Relay Functions

Explanation of the control board, microcomputer, and relays in oven operation.

Component Access

Component Sections Overview

Lists and categorizes the various components for service and their locations.

General Procedures

Removing the Microwave Oven and Cabinet

Step-by-step guide to safely remove the oven unit and its outer cabinet.

Protection Control System

Removing the Oven Door

Procedure to remove the oven door for servicing.

Oven Door Components Removal

Control Panel Removal

Line Fuse Removal

Interlock Switches: Removal and Adjustment

Base Thermal Fuse Removal

Magnetron Thermal Fuse Removal

Convection Thermistor Removal

Cavity Thermal Fuse Removal

Oven Light Socket Removal

Control Circuit Boards Removal

Fan Motor Removal

Power Cord Removal

Blower Motor Capacitor Removal

Convection Heating Element Removal

Gas Sensor Removal

Stirrer Motor Removal

Turntable Motor Removal

Cooktop Light Sockets Removal

High Voltage Components

Accessing Components

Information on how to access high voltage components like magnetron, transformer, etc.

Magnetron Removal

High Voltage Rectifier and Capacitor Removal

High Voltage Transformer Removal

Component Description and Testing

Important Safety Instructions

Crucial safety advice for servicing components, including precautions for microwave energy.

Additional Safety Precautions

Specific Hazards and Precautions

General cautions regarding high voltages, cleaning, grounding, and specific installation hazards.

Thermal Fuses

Blower Motor Capacitor Testing

Testing

Procedure for testing the blower motor capacitor.

Gas Sensor Testing

Testing

Explanation of the gas sensor's role and its testing procedure.

Convection Thermistor Testing

Testing

Explanation of the convection thermistor and its testing procedure.

Convection Heating Element Testing

Testing

Description of the convection heating element and its testing procedure.

Motor Identification

Programming Checks

Touch Panel Continuity Test

Test for continuity of the touch panel keypad to verify programming functions.

Checking Microwave Power Output

Checking Microwave Energy Leakage

Measurement Procedures

Oven Measurements (Cabinet Installed/Removed)

Notes and steps for taking microwave leakage measurements with and without the cabinet.

IEC-705 Microwave Power Output Measurement

Component Testing

Test Charts

Tables detailing testing procedures and expected results for various components.

Component Testing: Touch Keyboard

Component Testing: Relays and Control Board

Control Circuit Board Checklist

Indicators of a defective control circuit board and testing for Relay 2.

Switch Checkout Procedure

Tech Tips and Wiring Diagrams

Strip Circuits

Specifications

Specification Charts

Model and Serial Number Explanation

Whirlpool Microwave Hood Warranty

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