AEG BSE778380T Manual De Instrucciones página 83

5.5 Initial preheating
Preheat the empty oven before the first use.
Step 1 Remove all accessories and removable shelf supports from the oven.
Step 2
Set the maximum temperature for the function:
Let the oven operate for 1 h.
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.
5.6 How to set: Water hardness
When you connect the oven to the mains you
have to set the water hardness level.
Step 1
Put the test paper into
water for about 1 sec. Do
not put the test paper un‐
der running water.
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: Settings / Setup / 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
Level dH
1 0 - 7
2 8 - 14
3 15 - 21
4 ≥22
When the tap water hardness level is 4, fill
the water drawer with still bottled water.
Step 2
Shake the test paper to re‐
move the excess of water.
Test paper
.
.
Use the test paper or contact your water
supplier to check the water hardness level.
Step 3
After 1 min, check water
hardness with the table
below.
Calcium depos‐ Calcium de‐
it (mmol/l) posit (mg/l)
0 - 1.3
1.4 - 2.5
2.6 - 3.8
≥ 3.9
Step 4
Set the water hardness lev‐
el: Menu / Settings / Setup /
Water hardness.
Water classifi‐
cation
0 - 50 soft
51 - 100 moderately hard
101 - 150 hard
≥151 very hard
ENGLISH 83