4. FUNCTION/TIMING MAGIC
Page 12/12 REV.5 SEPT.2004 Saeco International Group
The doser is controlled by a microswitch. The ground coffee is transferred from the grinder and is pressed
into the dosing chamber; when the dosing chamber is full, the microswitch is activated and transmits the
signal to the CPU to turn the grinding motor OFF.
Grinding is stopped, the dosing magnet engages, opens the dosing flap and the coffee falls into the brewing
unit.
If the dosing microswitch is not activated within 20 seconds from start of the grinder motor, the coffee beans
low signal appears.
The dosing quantity is set automatically by shifting the doser housing wall together with its microswitch.
Depending on the machine type, the setting mechanism may be accessible to the customer or only to a
technician.
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