Whirlpool 1997 "E service manual Checking for Microwave Energy Leakage, Equipment

Page 55

Cooking Products Service Manual

Original March, 1997

4322167

© 1997 Whirlpool Corporation

Page 3-15

CHECKING FOR MICROWAVE ENERGY LEAKAGE

CAUTION

On every service call, checks for microwave energy emission must be made according to the following manner.

1.Remove the cooking rack from the oven cavity, if the microwave oven is so equipped.

2.Place a 275 ML (9. oz.) glass of water in the center of the oven bottom.

3.Select “HlGH” cook power, turn the mi- crowave oven on, and test for R.F. Ieakage using the following pattern:

a)Check around the cabinet at the front.

b)Check around the door.

c)Check across the console panel.

d)Check horizontally across the door

e)Check vertically across the door.

f)Check diagonally across the door.

g)Check across the air vents.

h)Check across the rear air vent.

NOTE: The scan speed is one-inch-per-sec- ond.

EQUIPMENT

•Electromagnetic energy leakage monitor (NARDA 8100B, HOLADAY H1501).

•6100 cc glass beaker.

•Glass thermometer 100˚C or 212˚F.

When checking for R.F. Ieakage, use an ap- proved R.F. measuring device to assure less than 4 mw/cm2 emission at 5 cm distance with a maximum scan rate of 2.5 cm/second, in compliance with U.S. Government Department of Health, Education and Welfare 21 CFR1030, performance Standard for Microwave Ovens.

A properly operating door and seal assembly will normally register small emissions, but they must be no greater than 4 mw/cm2 to allow for measurement uncertainty.

NOTE: Enter leakage readings in the space BEFORE and AFTER on the service docu- ment.

All microwave ovens exceeding the emission level of 4 mw/cm2 must be reported to Dept. of Service for microwave ovens immediately and the owner should be told not to use the micro- wave oven until it has been repaired com- pletely.

If a microwave oven is found to operate with the door open, report to Dept. of Service, the manufacturer, and CDRH* immediately. Also tell the owner not to use the oven.

The interlock monitor switch acts as the final safety switch protecting the customer from microwave radiation. If the interlock monitor switch operates and opens the line fuse, the interlock switches have failed, and you must replace all of them (primary and secondary interlock switches, and the monitor switch), because their contacts may be melted and welded together.

All repairs must be performed so that micro- wave energy emissions are minimal.

*CDRH: Center for Device and Radiological health, food, and drug administration.

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Contents OVER-THE-RANGE Microwave Oven Hood Combination MH7130XE MH7135XE MH9115XE Table of Contents Primary, Monitor, & Secondary Switch Checkout Procedure Electrical Shock Hazard Important Safety InformationPage Vii Equipment Leakage TestTest Theory of Operation PK/WBL Component Sections Component AccessRemoving the Microwave Oven & Cabinet GeneralRemoving The Cabinet Removing the Oven Door Protection Control SystemRemoving the Oven Door Components Removing the Control Panel Removing the Line Fuse Removing a Switch REMOVING/ADJUSTING the Interlock SwitchesMaking Adjustments Inset ALL Other SwitchesControl Panel Opening Removing the Base Thermal FuseRemoving the Magnetron Thermal Fuse Remove Five AIR Duct Screws Unplug Power Cord & FAN MotorRemoving the Convection Thermistor Remove Five Removing the Cavity Thermal Fuse Removing the Oven Light Socket Operating Control SystemControl Board 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 Stirrer Motor Removing the Turntable Motor Removing the Cooktop Light Sockets High Voltage Components Accessing the ComponentsRemoving the Magnetron Removing the High Voltage Rectifier High Voltage Capacitor Removing the High Voltage Transformer Page Important Safety Instructions Component Description & TestingPage Original March 4322167 Possible Customer Complaint Thermal FusesBlower Motor Capacitor GAS Sensor Convection Thermistor Viewed from Under TOP Plate Convection Heating ElementMotors Touch Panel Continuity Test Programming ChecksProblem 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 InstalledOriginal March 4322167 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 OpenTech Tips Wiring DiagramsModel MH9115XE Blower Motor is on LOW Strip CircuitsUnit is Plugged in Clock is Working Door is Open Oven Light is onCooktop Lights are on High or LOW Blower Motor is on HighConvection Cooking is on Microwave Cooking is onSpecifications MH7130XEQ MH7130XEZ MH7135XEB Specification ChartsTemperature Sensor Probe Whirlpool Corporation MH7130XEQ MH7130XEZ MH7135XEB Beverage Frozen Entree MH7135XEQ MH9115XEB MH9115XEQ 120 Vertical CFM Hi/Low MH7135XEQ MH9115XEB MH9115XEQ Product Identification Model & Serial Number ExplanationLength of Warranty Whirlpool Will PAY for Will not PAY for Whirlpool Microwave Hood Warranty

1997 "E specifications

The Whirlpool 1997 "E" is a notable refrigerator model that reflects the company's commitment to innovation and consumer convenience during the late 1990s. This model encapsulated both style and functionality, aiming to meet the evolving needs of households.

One of the standout features of the Whirlpool 1997 "E" is its Energy Saver technology. As energy efficiency became a paramount concern for consumers, this refrigerator was designed to minimize electricity consumption while maintaining optimal cooling performance. The appliance featured enhanced insulation and a high-efficiency compressor, allowing it to use less energy than many of its predecessors.

The design of the Whirlpool 1997 "E" was another highlight. It featured a sleek and modern aesthetic, available in several finishes including classic white, elegant black, and stainless steel. The exterior was complemented by smooth curves and a user-friendly interface, offering an appealing look that fit seamlessly into various kitchen decors.

Inside, the refrigerator came equipped with adjustable shelving and a spacious interior layout, allowing users to customize storage according to their needs. The easy-to-clean surfaces and removable shelves made maintenance simple, further enhancing the user experience. The model also included dedicated compartments for fruits and vegetables, with humidity controls to prolong freshness.

Another key technological advancement in the Whirlpool 1997 "E" was its advanced cooling system. Featuring MultiFlow technology, this model ensured a consistent temperature throughout the refrigerator and freezer compartments. This technology worked by circulating cold air across different shelves, minimizing temperature fluctuations that could affect food preservation.

The refrigerator also boasted features like a water filtration system, which improved the taste and quality of water dispensed through its integrated dispenser, providing convenience for families on the go.

Overall, the Whirlpool 1997 "E" set a benchmark for kitchen appliances in its era, combining energy efficiency, user-friendly design, and innovative technology. This model showcased Whirlpool's dedication to providing practical solutions that catered to the needs of contemporary households, making it a popular choice for many consumers. Its legacy continues to influence refrigerator designs in the years that followed, marking it as a significant player in the realm of home appliances.
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