Preheat the empty oven before the first use.
Step 3
Set the maximum temperature for the function: .
Let the oven operate for 15 min.
The oven can emit an odour and smoke during preheating. Make sure that the room is
ventilated.
5.4 How to set: Water
hardness
When you connect the oven to the mains
you have to set the water hardness level.
Use the test paper or contact your water
supplier to check the water hardness
level.
Step 1 Step 2 Step 3 Step 4
Put the test paper
into water for about
1 sec. Do not put
the test paper under
running water.
Shake the test paper
to remove the excess
of water.
After 1 min, check
water hardness with
the table below.
Set the water hard‐
ness level in the
menu: Basic settings.
The colours of the test paper continue to change. Do not check water hardness later
than 1 min after test.
You can change the water hardness level in the menu: Basic settings / Water hardness.
The table shows water hardness range (dH) with the corresponding level of Calcium
deposit and the water classification. Adjust the water hardness level according to the
table.
Water hardness Test paper Calcium de‐
posit (mmol/l)
Calcium de‐
posit (mg/l)
Water classi‐
fication
Level dH
1 0 - 7 0 - 1.3 0 - 50 soft
2 8 - 14 1.4 - 2.5 51 - 100 moderately
hard
3 15 - 21 2.6 - 3.8 101 - 150 hard
4 ≥22 ≥ 3.9 ≥151 very hard
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