A:AnswerThe microwave should come with the 1 year warranty parts service. If anything reach out to the manufacturer and ask them if they can send you the new parts
A:AnswerI only have it for a couple of months, but previously owned microwaves for well known brands have that problem, so I guess is something common to microwaves.
A:AnswerPlace the oven on a level surface (strong enough to hold this unit) that provides enough open space for the intake and outlet vents. Leave a minimum clearance of 12 in. (30 cm) above the oven.