water rings, fat stains, shiny metallic dis-colorations. Use a special cleaner appli-cable for surface of hob.2. Clean the appliance with a damp cloth andsome detergent.3. At the end rub the appliance dry with aclean cloth.Cleaning of the spark plugThis feature is obtained through a ceramic igni-tion candle with a metal electrode. Keep thesecomponents well clean to prevent difficult light-ing and check that the burner crown holes arenot obstructed.Periodic maintenancePeriodically speak your local Service ForceCentre to check the conditions of the gas sup-ply pipe and the pressure adjuster, if fitted.What to do if…Problem Possible cause RemedyThere is no spark when lightingthe gas• There is no electrical supply • Make sure that the unit is con-nected and the electrical supplyis switched on.• Control the fuse. If the fuse isreleased more than one time,refer to a qualified electrician.• Burner cap and crown areplaced uneven• Make sure that the burner capand crown are in correct posi-tions.The flame is blow out immediatelyafter ignition• Thermocouple is not heatedsufficient• After lightning the flame, keepthe knob pushed for approxi-mately 5 seconds.The gas ring burns unevenly • Burner crown is blocked withfood residues• Make sure that the injector isnot blocked and the burnercrown is clear of food particles.11www.zanussi.com