Before you call for service...
Things That Are Normal With Your Microwave Oven
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s Steam or vapor escaping from around the door.
s Light reflection around door or outer case.
s Dimming oven light and change in the blower sound at power
levels other than high.
s Dull thumping sound while oven is operating.
s TV/radio interference might be noticed while using the microwave.
Similar to the interference caused by other small appliances, it
does not indicate a problem with the microwave. Plug the microwave
into a different electrical circuit, move the radio or TV as far away
from the microwave as possible or check the position and signal of
the TV/radio antenna.