Coffee Cycle - Saeco Aulika Sup 040R Service Manual

AULIKA
4.5.

Coffee Cycle

Main switch
ON
Time
Coffee grinder
Heating
Pump
Gearbox
Brewing unit
Status
Notes: * Only with pre-infusion
Microswitch
status
When the machine starts, the gearbox gets back in place as follows:
- Microswitch 1 is activated (See following chapter)
- The gearbox changes the direction of rotation and goes back up for about 1-2 mm
- The boiler starts heating the water for ca. 45 sec, absorbing the whole of the heating power to
attain the optimal temperature. After that, the temperature shall remain constant.
1. The coffee grinder starts grinding the beans (managed by the doser microswitch)
2. The doser opens
3. The gearbox (brewing unit) goes into dispensing mode
4. Preliminary dispensing phase (brief activity of the pump, then a brief pause)
5. Product delivery (the pump activation time depends on the quantity of product delivered)
6. The gearbox goes back to the idle position (grounds are automatically expelled)
START
ca.45 sec.
Heating Ready
OFF
Single micro gearbox
Start
Ciclo caffè
Rev. 00 / July 2012
04 OPERATING LOGIC
Pulses
(Dosing)
(turbine pulses) based
on the programmed
*
Coffee cycle
ON
END
Pump activity
product quantity
Page
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