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5.4 Stains are hard to remove
There are various causes for stains. Food, which is burnt and stuck inside the
cooker, should be cleaned with dish detergent and then, by heating in water with a
scourer that is not made of metal. The cause of excessive brown, blue, yellowish or
greenish discoloration is heating of the stainless steel at a high degree. Discoloration
occurs when you use the pressure cooker at a high degree. Thus, such discolo-
ration is eliminated when the pressure cooker is used under normal condition. If
it is not eliminated, it can be removed with lemon juice. Based on the intensity of
discoloration, cleaning process with vinegar should be repeated. Round, brown and
transparent stains often result from utility and washing water. The pressure cooker
itself is stainless as it is made of 18/10 stainless steel. Salt or calcium carbonate
sediments (lime deposit) cause round and white stains. Do not use dishwasher or
specifically decrease the amount of cleaning materials and use of salt. For instance,
when water starts boiling, add only salt or water into food to prevent salt stains. You
might be living in a region where the water is of hard nature. Thus, discoloration can
be removed also with acidic acid (concentrated vinegar) or lemon juice. Based on
the intensity of discoloration, cleaning process with vinegar or citric acid should be
repeated.
5.5 The pressure cooker cannot be opened.
• If the pressure in the cooker is not fully released, the safety lock is active. Wait a
moment and try again
• If the cooling is slow, vacuum can occur inside the cooker. Turn the cooking valve
to release pressure position and try again. Never force the lid to open.
• Cooking valve may be clogged. Allow the cooker to cool completely.
6. Cooking time table
These instructions do not include detailed recipes for VIVALDI pressure cooker. You
may cook your meals and food according to your own recipes. Cooking time table
helps you to adjust your cooking time. The cooking time table was prepared only to
give an opinion on the listed products and materials. In order to decide the correct
cooking time, you may decrease the cooking time used in regular cooking methods
and use the materials that resemble the specified ones. You will find out the cooking
time with VIVALDI pressure cooker after a short time. We are confident that you will
experience enjoyable cooking.
Food Cooking Time (min.) Opening Method Waiting Time (min.)
Vegetables: Add 1.5 glasses of water into the pressure cooker.
Artichoke 6 Fast
Fresh beans 4 Fast
Broccoli 4 Fast
Cabbage (1/2) 10 Mixed 4
Carrot (whole) 5 Fast
Carrot (sliced) 3 Fast
Cauliflower 3 Fast
Sweet corn 6 Fast
Potato (cubed) 6 Mixed 4
Potato (1/2) 8 Mixed 5
Cooking Time for Reference
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