Fix Fault Dimension

have lost power to the display panel on front, internal special fuse looks ok

I have the dimension 3 and when you turn it on it smokes and make a roaring sound

the convection and grill elements are not working but the microwave function only is ok. whats wrong here

i have a panasonic dimension 4 combination oven, when i use the microwave setting the timer goes down to 37 s then stops, it doesnt heat anything up, all works fine on convection and all other setting ... more

my panasonic dimension 4, turbo oven bake, does not heat food up like a microwave. The food still remains cold but the oven and grill work??