While you wait for answers, we may have found some information which could help you.
Click here for Change Light BulbHow to replace shelf (floor) of cooking cavity--what material?
how can I stop the fan from running constantly on a kitchenaid microwave?
replacing light bulb in kitchenaid microwave 378KBL?
kitchenaid microwave?
How can I replace the light in my microwave?
Where can I find the model # on Kitchenaid slide-in range?