While you wait for answers, we may have found some information which could help you.
Click here for Microwave Model TurnHow to replace shelf (floor) of cooking cavity--what material?
kitchenaid microwave?
How to fix a light bulb in oven?
Light replacement for the microwave?
Kitchenaid KEMS377 Oven Probe Problem?
how can I stop the fan from running constantly on a kitchenaid microwave?