While you wait for answers, we may have found some information which could help you.
Click here for Change Light Bulbkitchenaid microwave?
How to replace bulb in KitchenAid Microwave oven?
How do I change a light bulb in the kitchenaid KEMC378KSS02 microwave/oven ?
Where can I find the model # on Kitchenaid slide-in range?
How to fix a light bulb in oven?
replacing light bulb in kitchenaid microwave 378KBL?