Whirlpool 721.663398 manual

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CAUTION

WARNING TO SERVICE TECHNICIANS

PRECAUTIONS TO BE OBSERVED BEFORE

AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY

a. Do not operate or allow the oven to be operated with the door open.

b. Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as necessary; (1) Interlock operation, (2) proper door closing, (3) seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and latches, (5) evidence of dropping or abuse.

c. Before turning on microwave for any service test or inspection within the microwave generating compartments, check the magnetron, wave guide or transmission line, and cavity for proper alignment, integrity, and connections.

d. Any defective or misadjusted components in the interlock, monitor, door seal, and microwave generation and transmission systems shall be repaired adjusted by procedures described in this manual before the oven is released to the owner.

e. A Microwave leakage check to verify compliance with the Federal performance standard should be performed on each oven prior to release to the owner.

•Proper operation of the microwave ovens requires that the magnetron be assembled to the wave guide and cavity. Never operate the magnetron unless it is properly installed.

•Be sure that the magnetron gasket is properly installed around the dome of the tube whenever installing the magnetron.

•Routine service safety procedures should be exercised at all times.

•Untrained personnel should not attempt service without a thorough review of the test procedures and safety information contained in this manual.

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Contents Division Basic Field Manual For Microwave Oven Page Foreword Adjust the Latch and Switch Closing Adjustment ProceduresCheck the Door Latch and Switch Closing Test the Latch and Switch SequenceLatch Latch Board General Precautions in USE Precautions on InstallationFeatures and Specifications Trial OperationSpecifications Switch TableSchematic Diagram Overall Circuit Diagram Matrix Circuit for Touch KEY Board Operating Procedures A. Oven Control Panel Easy USE Table Measurement with the Outer Case Removed Procedure for Measuring Microwave Energy LeakageMeasuring Microwave Energy Leakage EquipmentRecord Keeping and Notification After Measurement Power Output MeasurementMeasurement with a Fully Assembled Oven Disassembly Instructions Important NotesDoor Assembly / Removal Magnetron Removal High Voltage Capacitor and Diode Removal FAN Motor Assembly / RemovalHigh Voltage Transformer Removal Removing Sensor Interlock System Interlock MechanismMonitor Switch Test Primary Interlock Switch TestSecondary Interlock Switch Test Components Test Procedure ResultsFilament Winding Primary Terminal Test and Checkout PROCEDURES, and TroubleshootingTest Procedures Components MagnetronDiode High VoltageCapacitor Level PowerRelay FAN MotorProblems Causes Checkout ProceduresCheckout Procedures for Fuse Blowing Problem B Checkout Procedures for RelayProblem a YES GoodPage Trouble Shooting Condition Cause RemedyResult ConditionCheck Fuse blows Condition Check Result Cause Remedy Condition Check ResultCause Remedy Check Result Exploded View Door Parts Controller Parts Oven Cavity Parts Latch Board Parts Interior Parts Base Plate Parts Sensor Parts No MFL30502909

721.663398 specifications

The Whirlpool 721.663398 is a versatile refrigerator designed to meet the demands of modern households while providing exceptional performance and energy efficiency. With its sleek design and innovative features, this model stands out in the realm of home appliances, offering both style and functionality.

One of the standout features of the Whirlpool 721.663398 is its spacious interior, which provides ample room for storing groceries and other food items. The refrigerator is designed with adjustable shelves that can be easily configured to accommodate various types of food and beverages, making it a practical choice for families of all sizes. Additionally, the inclusion of door bins adds to the organization, allowing for easy access to smaller items like condiments and snacks.

The refrigerator utilizes advanced cooling technology to maintain optimal temperature levels, ensuring that food remains fresh for longer periods. The adaptive cooling system responds dynamically to fluctuations in temperature, providing consistent cooling performance. This technology not only preserves food quality but also enhances energy efficiency, helping homeowners save on utility bills.

Another impressive characteristic of the Whirlpool 721.663398 is its energy-efficient design. This model is ENERGY STAR certified, meaning it meets strict energy efficiency guidelines set by the U.S. Environmental Protection Agency. Homeowners can enjoy peace of mind knowing that they are reducing their environmental footprint while benefiting from lower energy costs.

In terms of convenience, the Whirlpool 721.663398 features a modern ice maker that provides on-demand ice production, perfect for hosting gatherings or simply keeping drinks cool during hot summer days. The exterior water dispenser offers easy access to clean and filtered water, promoting hydration without the need for bottled alternatives.

The refrigerator is also designed with a user-friendly digital control panel that allows for easy temperature adjustments and settings. This intuitive interface makes managing the appliance straightforward, even for those who might not be tech-savvy.

Overall, the Whirlpool 721.663398 combines style, functionality, and energy efficiency into one cohesive appliance. Its spacious interior, advanced cooling technology, and convenient features make it an excellent choice for those seeking a reliable refrigerator that caters to the needs of modern living. Whether you're stocking up for a large family or hosting social gatherings, this refrigerator is well-equipped to handle it all.
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