Whirlpool MT4078 manual Microwave Oven Care, Troubleshooting, GeneralCleaning

Models: MT4078

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MICROWAVE OVEN CARE

MICROWAVE OVEN CARE

GeneralCleaning

IMPORTANT: Before cleaning, make sure all controls are off and the microwave oven is cool. Always follow label instructions on cleaning products.

Soap, water and a soft cloth or sponge are suggested unless otherwise noted.

MICROWAVE OVEN CAVITY

To avoid damage to the microwave oven cavity, do not use soap- filled scouring pads, abrasive cleaners, steel-wool pads, gritty washcloths or some recycled paper towels.

The area where the microwave oven door and frame touch when closed should be kept clean.

Average soil

Mild, nonabrasive soaps and detergents:

Rinse with clean water and dry with soft, lint-free cloth.

Heavy soil

Mild, nonabrasive soaps and detergents:

Heat 1 cup (250 mL) of water for 2 to 5 minutes in microwave oven. Steam will soften soil. Rinse with clean water and dry with soft, lint-free cloth.

Odors

Lemon juice or vinegar:

Heat 1 cup (250 mL) of water with 1 tbs (15 mL) of either lemon juice or vinegar for 2 to 5 minutes in microwave oven.

Microwave Inlet Cover

To avoid arcing and microwave oven damage, the microwave inlet cover (see “Parts and Features”) should be kept clean.

Wipe with wet cloth.

MICROWAVE OVEN DOOR AND EXTERIOR

The area where the microwave oven door and frame touch when closed should be kept clean.

Mild, nonabrasive soaps and detergents:

Rinse with clean water and dry with soft, lint-free cloth.

Glass cleaner and paper towels or nonabrasive plastic scrubbing pad:

Apply glass cleaner to towel, not directly to surface.

CONTROL PANEL

Sponge or soft cloth and water:

Dampen sponge with water and wipe panel. Dry with soft cloth.

To avoid damage to the control panel, do not use chemical or abrasive cleansers.

TURNTABLE

Replace turntable immediately after cleaning. Do not operate the microwave oven without the turntable in place.

Mild cleanser and scouring pad

Dishwasher

TROUBLESHOOTING

Try the solutions suggested here first in order to avoid the cost of an unnecessary service call.

Nothing will operate

Has a household fuse blown, or has a circuit breaker tripped?

Replace the fuse or reset the circuit breaker. If the problem continues, call an electrician.

On some models, is the Control Lock set? See “Control Lock” section.

Microwave oven makes humming noise

This is normal and occurs when the power supply in the magnetron cycles on.

Microwave oven will not operate

Is the magnetron working properly?

Try to heat 1 cup (250 mL) of cold water for 2 minutes at 100% cooking power. If water does not heat, try the steps below. If microwave oven still does not operate, call for service. See “Assistance or Service” section.

Is the door completely closed? Firmly close door.

Is a packaging spacer (on some models) attached to the inside of the door?

Remove packaging spacer, then firmly close door.

Is the electronic microwave oven control set correctly? See “Microwave Oven Control” section.

Microwave oven door looks wavy

This is normal and will not affect performance.

Turntable will not operate

Is the turntable properly in place?

Make sure turntable is correct side up and is sitting securely on the turntable support. See “Turntable” section.

Is the turntable support operating properly?

Remove turntable. Remove and clean turntable support and rollers. Replace turntable. Place 1 cup (250 mL) of water on the turntable, then restart microwave oven. If it still is not working, call for service. See “Assistance or Service” section. Do not operate the microwave oven without turntable and turntable support working properly.

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Whirlpool MT4078 manual Microwave Oven Care, Troubleshooting, GeneralCleaning