Frequently asked questions about breakdowns of microwave oven

Question

Answer

There are no lights on the display, the oven control not responding.

Possible control board failure or safety fuse is tripped cutting power to board. Proper diagnostic should be provided.

Low heat or insufficient temperature in bake cycle.

It could be one of two heaters – bake or broil - malfunction or control board issue. Also it is possible insufficient power supply to unit. Only the qualified technician can find the malfunction reason.

Unusual noise coming out from oven cavity.

If the convection oven equipped by inner fan it could be the fan motor issue. In this case motor must be replaced.