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 al a high degree. Discoloration occurs when
you use the pressure cooker at a high degree. Thus, such discoloration is eliminated
When the pressure cooker is used under normal condition. If it is not eliminated, it can
be removed With 'ernon juice. Based on the intensity discoloration, cleaning process
With vinegar should be repeated, Round, brown end 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 01 cleaning
materials and use 01 salt. For instance, When water starts baiting, add only salt or water
into food to prevent salt stains. You might be living in a region where the water is 01
hard nature. Thus, discoloration can be removed also With acidic acid (concentrated
vinegar) or lemon juice. Based on the intensity 0' 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 tully 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 tho cooker to coo' completely.
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