Is the microwave making a humming noise during operation?
It is normal for the unit to produce a humming noise during operation. The humming is the result of the power supply switching the magnetron on and off.
If you believe your product is in warranty, please contact us at 1-800-422-1230.
If you believe your product is out of warranty, service is not available for your countertop microwave. The cost of replacement parts and labor for a repair are often more than the cost of a new microwave. Use the menu above to shop for a new countertop microwave oven.