• you use incorrect cookware. comes on in the display and after 2 minutes the cookingzone stops automatically.• you do not stop a cooking zone or change the heat setting. After some time comes onand the hob stops. See the table.Automatic Switch Off timesHeat setting - - -Stops after 6 hours 5 hours 4 hours 1.5 hoursHOB - HELPFUL HINTS AND TIPSWARNING!Refer to "Safety information" chapter.Cookware for induction cooking zonesIn induction cooking a powerful electromagnetic field generates an almost instant heat in-side the cookware.Cookware material• correct: cast iron, steel, enamelled steel, stainless steel, a multi-layer bottom (marked ascorrect by a manufacturer).• not correct: aluminium, copper, brass, glass, ceramic, porcelain.Cookware is correct for an induction hob if …• ... some water boils very quickly on a zone set to the highest heat setting• ... a magnet pulls on to the bottom of the cookware.The bottom of the cookware must be as thick and flat as possible.Put the cookware on the cross which is on the cooking surface. Cover the cross fully. Themagnetic part of the bottom of the cookware must be 120mm minimum. Induction cookingzones adapt to the dimension of the bottom of the cookware automatically. You can cookwith the large cookware on two cooking zones at the same time.Operating noisesIf you can hear• cracking noise: cookware is made of different materials (Sandwich construction).• whistling: you use one or more cooking zones with high power levels and the cookwareis made of different materials (Sandwich construction).• humming: you use high power levels.• clicking: electric switching occurs.• hissing, buzzing: the fan operates.The noises are normal and do not refer to any defects.14 Hob - Helpful hints and tips