[. . . ] Start the child safety device to prevent small children and pets from an accidental activation of the appliance. safety during operation · Remove all packaging, stickers and layers from the appliance before the first use. Do not put cutlery or saucepan lids on the cooking surface, as they can become hot. correct operation · Always monitor the appliance during operation. [. . . ] correct operation · Always monitor the appliance during operation. Do not put or keep very flammable liquids and materials, or fusible objects (made of plastic or aluminium) on or near the appliance. Cookware made of cast iron, cast aluminium or with damaged bottoms can scratch the glass ceramic if you move them on the surface. Do not let cookware boil dry to prevent the damage to cookware and glass ceramics. Do not use the cooking zones with empty cookware or without cookware. If there is a crack on the surface, disconnect power supply to prevent the electric shock. If not, hot cookware can be hit off the hob when you open doors or windows. Loose and incorrect plug and socket connections can make the terminal become too hot. Use the correct mains cable of type H05BB-F Tmax 90°C (or higher) for a single-phase or two-phase connection. Replace the damaged mains cable with a special cable (type H05BB-F Tmax 90°C; or higher). Thus, we recommend that you cook at the lowest temperatures and do not brown food too much. For your safety, do not clean the appliance with steam blasters or high-pressure cleaners. Scratches or dark stains on the glass ceramic have no effect on how the appliance operates. Put the scraper on the glass surface at an acute angle and move the blade on the surface . ­ Remove after the appliance is sufficiently cool: limescale rings , water rings, fat stains, shiny metallic discolorations. The cooking zone is not hot because it operated only for a short time. Disconnect the fuse from the electrical system of the comes on again, speak to the After house. If you tried the above solutions and cannot repair the problem, speak to your dealer or the Customer Care Department. Give the data from the rating plate, three-digit-letter code for the glass ceramic (it is in the corner of the cooking surface) and an error message that comes on. If you operated the appliance incorrectly, the servicing by a customer service technician or dealer will not be free of charge, even during the warranty period. [. . . ] Give the data from the rating plate, three-digit-letter code for the glass ceramic (it is in the corner of the cooking surface) and an error message that comes on. If you operated the appliance incorrectly, the servicing by a customer service technician or dealer will not be free of charge, even during the warranty period. The instructions about the customer service and conditions of guarantee are in the guarantee booklet. The symbol on the product or on its packaging indicates that this product may not be treated as household waste. [. . . ]