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3.4 Extraordinary steam generator cleaning (descaling)
The innovative steam generator construction (heating element placed outside and not immersed in water),
the washing and rinsing it undergoes systematically every time the oven is switched on, and the fact that it
is fed with softened water (hardness between 0.5°F and 3°F), all evidently result in slowing down the
formation of limescale inside it.
THE FORMATION OF LIMESCALE CAUSES MALFUNCTIONING AND POSSIBLE FAULTS OF THE
In any case
STEAM GENERATOR WHICH THE OVEN MANUFACTURER CANNOT BE HELD LIABLE FOR.
it is in the user's interest to descale (decalcification) the steam generator periodically, at least once a month.
For practical reasons, this operation may be carried out at the end of the oven's working day (Fig. 48):
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Switch off the oven, disconnect it from the mains power supply and let it cool down completely;
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After filling bottle "B" (supplied) with descaling liquid, insert the cannula (without the "spraying"
end) into the provided hole "A" on the air cover;
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Press the bottle repeatedly with one hand to insert the descaling liquid into the hole: the amount
(500 ml = 0.5 litres) in a full bottle is sufficient;
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Let the descaling liquid act for at least 8-9 hours (possibly overnight);
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After the time required, reconnect the oven to the power supply.
An automatic procedure will empty the steam generator from the descaling liquid and will start a washing
cycle lasting about 5 minutes.
After this procedure, the oven is ready to be used again.
Important Food-grade vinegar is the ideal descaling liquid: it has no corrosive properties for stainless steel,
has a powerful descaling action and is compatible with food.
3.5 Cleaning fans
The fans must be regularly cleaned with appropriate descaling products. All their parts must be thoroughly
cleaned, eliminating any limescale. The fan cover must be removed to access fans. When cleaning is
completed fit the cover back on operating in reverse order.
A
B
Fig. 48
For this reason,
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