Foster S4000 user manual Keypad Lock Details, Buzzer, Lighting, Water Hardness, WATER HARDNESS fH

Models: S4000

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KEYPAD LOCK DETAILS

The key KEYPAD LOCK DETAILS allows to turn on / off the light in the cooking chamber regardless of the oven state. The key BUZZER allows to turn the oven off.

BUZZER

Allows to select one of the 3 levels (low, medium, high) for the intensity of the buzzer that sounds during a warning. Default setting: MEDIUM

LIGHTING

Allows to select the criteria for turning off the light once it has been turned on.

Select NO for the item: LIGHT OFF AUTOMATICALLY to use the manual mode. Once the light

has been turned on, it must always be turned off by pressing the appropriate key LIGHTING again.

The automatic function (YES) allows the electronics to turn the light off automatically 5 minutes after it was turned on.

WATER HARDNESS

The water hardness basically expresses the quantity of magnesium and calcium salts present in the water. The hardness is generally expressed in French degrees (°fH).

The oven is equipped with an automatic system that determines the appropriate moment to perform a boiler descaling cycle.

Remember that it is advisable to use distilled water in order to reduce the formation of scale. There are three adjustment ranges for the water hardness.

French degrees ( °fH) / German degrees (°dH) equivalence table

WATER HARDNESS °fH

WATER HARDNESS °dH

16-35° fH

AVERAGE WATER

0-8°

dH

AVERAGE WATER

0-15° fH

VERY SOFT WATER

9-20°

dH

VERY SOFT WATER

36-50° fH

VERY HARD WATER

21-28° dH

VERY HARD WATER

The default system is positioned on the average value (line1 in the table).

To change the setting, select water hardness and press the confirmation key WATER HARDNESS(8).

To enter into the option and then use one of the two keys WATER HARDNESS °fH (4). Once the selection has been made, confirm with key WATER HARDNESS °dH(8).

See also the section: BOILER DESCALING

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Foster S4000 user manual Keypad Lock Details, Buzzer, Lighting, Water Hardness, WATER HARDNESS fH, WATER HARDNESS dH