KitchenAid KHMS105E service manual Component Access, Component Sections

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Microwave Oven Hood Combo Service Manual — LIT 4317216

COMPONENT ACCESS

COMPONENT SECTIONS

Original 03/97

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This section instructs you on how to service the individual components in the Microwave Oven Hood Combination. These components (shown below) and their sections are as fol- lows:

•General Cabinet

•The Protection Control System Oven Door

Door Choke Control Panel Line Fuse Interlock Switches Base Thermal Fuse Magnetron Thermal Fuse Cavity Thermal Fuse Convection Thermistor

CAVITY THERMAL FUSE

GAS SENSOR

(NOT ON ALL MODELS)

CONVECTION THERMISTOR

(NOT ON ALL MODELS)

SYNCHRONOUS

MOTOR

COOKTOP LIGHTS

SECONDARY INTERLOCK SWITCH

OVEN LAMP SWITCH

MONITOR SWITCH

PRIMARY INTERLOCK SWITCH

CONTROL CIRCUIT BOARD

LINE FUSE

BASE THERMAL FUSE

•The Operating Control System Oven Light Socket Control Circuit Board Temperature Probe Socket Fan Motor

Power Cord

Blower Motor Capacitor Convection Heating Element Gas Sensor Synchronous Motor Cooktop Light Socket

•The High Voltage Components Magnetron

Rectifier Capacitor Transformer

Refer to the section on the following pages for the component you wish to service.

CONVECTION HEATING ELEMENT (NOT ON ALL MODELS)

BLOWER MOTOR

OVEN LIGHT

BLOWER MOTOR

CAPACITOR

HV TRANSFORMER

FAN MOTOR HV CAPACITOR

HV RECTIFIER

MAGNETRON

MAGNETRON THERMAL FUSE

Magnetron Thermal Fuse	.......................................... Opens @ 302˚F/150˚C, resets @ 140˚F/60˚C.
Cavity Thermal Fuse	Opens @ 230˚F/110˚C, resets @ 140˚F/60˚C.
Base Thermal Fuse	Closes @ 133˚F/56˚C, resets @ 104˚F/40˚C.

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Contents Microwave Oven Hood Combination KHMS105E KHMC107E Table of Contents Convection Thermistor Convection Heating Element Electrical Shock Hazard Important Safety InformationPage Vii Test Leakage Test Equipment Theory of Operation Relay #4 Capacitor Bkbl Blower Motor High Component Sections Component AccessRemoving the Microwave Oven & Cabinet GeneralBase Plate Screws Cooktop Light Assembly Wiring Removing the Oven Door Protection Control SystemRemoving the Door Choke Removing the Control Panel Removing the Line Fuse Removing a Switch REMOVING/ADJUSTING the Interlock SwitchesSecondary InsetMaking Adjustments Removing the Base Thermal Fuse Removing the Magnetron Thermal Fuse Removing the Cavity Thermal Fuse Removing the Convection Thermistor White Wires Removing the Oven Light Socket Operating Control SystemTurn Board Over Removing the Control Circuit BoardRemoving the Temperature Probe Socket Removing the FAN Motor Removing the Power Cord Removing the Blower Motor Capacitor Removing the Convection Heating Element Viewed from Under TOP Plate Removing the GAS Sensor Removing the Synchronous Motor Removing a Cooktop Light Socket High Voltage Components Accessing the High Voltage Components Removing the Magnetron Replacing The High Voltage Rectifier Removing the High Voltage Rectifier High Voltage CapacitorHigh Voltage Rectifier Mounting Flange Removing the High Voltage Transformer Important Safety Instructions Component Description & TestingPage Original 03/97 Possible Customer Complaint Thermal FusesBlower Motor Capacitor GAS Sensor Convection Thermistor Viewed from Under TOP Plate Convection Heating ElementMotors Touch Panel Continuity Test Programming ChecksCombination Roast Temperature ProbeThings to Know Combination BakeProblem Possible Cause Test Procedure Or Correction ChartsProblem Possible Cause Test Procedure Or Correction Problem Possible Cause Test Procedure Or Correction Checking the Microwave Power Output Checking for Microwave Energy Leakage Making the Measurements Measuring The Oven With The Cabinet InstalledPage Test Charts Component TestingTerminal-To-Terminal Contacts Component Test Procedure Result Keyboard Matrix Voltage circuits Control Circuit Board Check ListDoor Closed PRIMARY, MONITOR, & Secondary Switch Checkout ProcedureContinuity Test Chart Door Open

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