Assistance Or Service; Replacement Parts - Whirlpool MT4078SP Use And Care Manual

Oven makes humming noise
This is normal and occurs when the power supply switches
the magnetron on and off.
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.
Is the turntable support operating properly?
Remove turntable. Remove and replace turntable support.
Replace turntable. Place 1 cup (250 mL) of water on the
turntable, then restart oven. If it still is not working, call for
service. See "Assistance or Service" section. Do not operate
the oven without turntable and turntable support working
properly.
Turntable rotates in both directions
This is normal and depends on motor rotation at the
beginning of the cycle.
Display shows messages
Is the display showing ":"?
There has been a power failure or the Clock time has been
turned off. See "Display" section to clear display. See "Clock"
section to reset or turn on Clock.
Fan running slower than usual
Has the oven been stored in a cold area?
The fan will run slower until the oven warms up to normal
room temperature.
Cooking times seem too long
Is the cooking power set properly?
See "Cooking Power" section.
Are large amounts of food being heated?
Larger amounts of food need longer cooking times.
Is the incoming voltage less than specified in "Microwave
Oven Safety?"
Have a qualified electrician check the electrical system in the
home.
Radio or TV Interference
Is the microwave oven plugged into the same outlet?
Try a different outlet.
Is the radio or TV receiver near the microwave oven?
Move the receiver away from the microwave oven, or adjust
the radio or TV antenna.
Are the microwave oven door and sealing surfaces clean?
Make sure these areas are clean.

ASSISTANCE OR SERVICE

Before calling for assistance or service, please check
"Troubleshooting." It may save you the cost of a service call. If
you still need help, follow the instructions below.
When calling, please know the purchase date and the complete
model and serial number of your appliance. This information will
help us to better respond to your request.
If you need replacement parts
If you need to order replacement parts, we recommend that you
®
only use FSP replacement parts. FSP
right and work right because they are made with the same
precision used to build every new WHIRLPOOL
®
To locate FSP replacement parts in your area, call our Customer
Interaction Center telephone number or your nearest Whirlpool
designated service center.
In the U.S.A.
Call the Whirlpool Customer Interaction Center
toll free: 1-800-253-1301.
Our consultants provide assistance with:
Features and specifications on our full line of appliances.
Installation information.
Use and maintenance procedures.
Accessory and repair parts sales.
Specialized customer assistance (Spanish speaking, hearing
impaired, limited vision, etc.).
Referrals to local dealers, repair parts distributors, and
service companies. Whirlpool designated service technicians
are trained to fulfill the product warranty and provide after-
warranty service, anywhere in the United States.
To locate the Whirlpool designated service company in your
area, you can also look in your telephone directory Yellow
Pages.
For further assistance
If you need further assistance, you can write to Whirlpool
Corporation with any questions or concerns at:
Whirlpool Brand Home Appliances
Customer Interaction Center
553 Benson Road
Benton Harbor, MI 49022-2692
Please include a daytime phone number in your correspondence.

Replacement Parts

Turntable Turntable Support/
Part No. 8205098 Roller Assembly
Part No. 8205099
®
replacement parts will fit
®
appliance.
Turntable Rollers
Part No. 8205100
11