Well, the microwave oven has made life much simpler in the modern kitchen! You can heat up food, bake cakes, cook a healthy dish, melt frozen stuff and so total comfort. So, if you find a problem and the oven stops working, it can indeed cause serious displeasure and discomfort. You can find genuine spare parts for all major brands repair in Sydney online.

You may encounter this problem in the oven as follows:

The machine is not heating: Often, the oven will turn on and the display lights will work fine as well. However, even after it is turned for a while, the heating will not occur. This could be a sign of a major problem that needs replacement heating coil.

Sparks visible in the Oven: If you see the sparks within the boundaries of the oven, it's time to call a specialist to repair the microwave oven. 

In some cases, however, inspecting the internal cavity of the microwave can help. Possibly resulting in food that has been spilled and into the cavity. 

Turntable not Turn: If the turntable does not change correctly, there may be some problems with the alignment of the table. Also, consider cleaning the rails and a turntable. If problems still persist, consulting a professional will be most suitable.