This happens when the magnetron has overheated,this is normally due the air filters sited at the bottom corners being blocked and causing a a lack of air flow
Depending on the model you have, I would check your wave guide assembly is rotating and there is no visible holes appeared in your mica guide cover as this will cause the head of your magnetrons to burnout.Depending on the model you have, I would check your wave guide assembly is rotating and there is no visible holes appeared in your mica guide cover as this will cause the head of your magnetrons to burnout.
I would also check your wave guide cover for damage as this will result in your wave guide assembly seizing and the head of your magnetrons to burn out.
Answers & Comments
This happens when the magnetron has overheated,this is normally due the air filters sited at the bottom corners being blocked and causing a a lack of air flow
Depending on the model you have, I would check your wave guide assembly is rotating and there is no visible holes appeared in your mica guide cover as this will cause the head of your magnetrons to burnout.
I would also check your wave guide cover for damage as this will result in your wave guide assembly seizing and the head of your magnetrons to burn out.