Depending on what you have neglected the warnings of the glass ceramic surface for may appear scratches, stains and even change color. Look at such injuries is very sad and unfortunate, but functionality they do not affect the panel. That's when the working surface of a crack (of a stroke or heat) or you notice a problem with the control panel should immediately contact the service. Use such a surface is dangerous. To shine and shine in order to effectively use the thermal energy and prevent damage to the stove it is important to choose the right dishes. Requirements to it the same for all electrical panels (except for induction hobs). The diameters of the heating zone and the bottom of the dish must be the same.
The bottom must be flat and have a thickness of at least 2-3 mm enameled steel cookware and 4-6 mm for the multilayer of stainless steel kitchenware. On European standards DIN 44 904 the maximum concavity of the bottom in the cold should not exceed 0.6% of the diameter of the bottom. That is, the pan diameter of 220 mm allowed the concavity may be 1.3 mm. If you are going to buy a set of ware for the new panel, note the manufacturer's label, which explains for what type of heating is suitable, this tableware. The bottom of the dish, mounted on the plate should be clean and dry to the rest of it remains food is not burnt to the surface.
This will prevent scratches, spots and defects (such as lime). Fallen to the plate the food should be removed from the hot zone as quickly as possible, but it remains removed with a scraper, which is attached to the cooking surface. Once you have removed the remnants of food scraper for cleaning surfaces, use a special tool (mentioned in the instructions).