While you wait for answers, we may have found some information which could help you.
Click here for Remove Ge ModelMicrowave zapped worth repairing?
GE Cafe Microwave f3 signal?
How can I fix the microwave error code 'F3' for GE DE68-40938A?
Replace Microwave I have built in Microwave GE DE68-40938A W?
Watts in my microwave?
Why is my GE microwave heating and heating sound does not come on? ?