14Hob burnersTo light a burner:z turn the relevant control knob anticlockwise to themaximum position, then push it down to ignite theburner;z then, check the flame is regular and adjust it asrequired.If you cannot light the flame even after several attempts,check the "cap" and “crown” (see Fig. 1 - letter A andB) are in the correct position.To put the flame out, turn the knob to the symbol z.When switching on the mains, after installationor a power cut, it is quite normal for the sparkgenerator to be activated automatically.To ensure maximum burner efficiency, you should onlyuse pots and pans with a flat bottom fitting the size ofthe burner used (see table).Operation)Burner minimum maximumdiameter diameterUltra-rapid(Triple-crown) 180 mm 260 mmMedium (semi-rapid) 120 mm 220 mmSmall (Auxiliary) 80 mm 160 mmIf you use a saucepan which is smaller thanthe recommended size, the flame will spreadbeyond the bottom of the vessel, causing thehandle to overheat.Take care when frying food in hot oil or fat,as the overheated splashes could easilyignite.As soon as a liquid starts boiling, turn down theflame so that it will barely keep the liquidsimmering.If the control knobs become difficult to turn, pleasecontact your local Service Force Centre.A - Burner capB - Burner crownC - Ignition electrodeABCTriple-crown BurnerFig. 1