While you wait for answers, we may have found some information which could help you.
Click here for Combi Model Doorhow can i fix my microwave combi?
How can I fix my Hitachi mcb30 microwave?
Hitachi MCB30 won't turn off?
hitachi mcb30 not heating up?
How do I change the light bulb in my Hitachi MSE23 microwave?
I need light bulb for Hitachi microwave MCB30?