with the removal of the tank contents (referto "Emptying the water tank").4. Rinse the water tank and clean the remain-ing lime residue in the oven with a cloth.5. Clean the drain pipe by hand in warm wa-ter with soap. To prevent damage, do notuse acids, sprays or similar cleaningagents.Types of water• Soft water with low lime content - themanufacturer recommends this because itdecreases the quantity of cleaning proce-dures.• Tap water - you can use it if your domesticwater supply has purifier or water sweetener.• Hard water with high lime content - itdoes not have an effect on the performanceof the appliance but it increases the quantityof cleaning procedures.CALCIUM QUANTITY TABLE INDICATED FROM W.H.O.(World Health Organization)Calcium deposit Water hardness(French degrees)Water hardness(German de-grees)Water classifica-tionRun decalcifica-tion every0 - 60 mg / l 0 - 6 0 - 3 Sweet of soft 75 cycles - 2.5months60 - 120 mg / l 6 - 12 3 - 7 Medium hardness 50 cycles - 2months120 - 180 mg / l 12 - 18 8 - 10 Hard or calcareous 40 cycles - 1.5monthsover 180 mg / l over 18 over 10 Very hard 30 cycles - 1monthCleaning the oven doorThe oven door has two glass panels. You canremove the oven door and the internal glasspanel to clean it.The oven door can close if you try to re-move the internal glass panel before youremove the oven door.Caution! Do not use the appliancewithout the glass panels. 1 Open the doorfully and hold the twodoor hinges.2 Lift and turn thelevers on the twohinges.21www.zanussi.com