SYNTIA 04 OPERATING LOGICSaeco International Group Page / 06Notes: * Only with Pre-brewing4.3. Coffee cycle operating diagramMS status OFFSingle microswitch gear motorONSwitching onWhen the machine is switched on, the gear motor repositions itself as follows:- It acts on microswitch 1 (see following. section)- The gear motor changes its rotation direction and moves upwards again by approx. 1-2 mm- The boiler begins to heat water for approx. 45 seconds. It absorbs all the available heatingpower in order to reach the optimal temperature. The temperature will then remain at a constantlevel.Coffee cycle1. The coffee grinder starts the grinding process (controlled by pulses generated by a sensor)2. The gear motor (brewing unit) moves to the dispensing position3. Preliminary dispensing phase (short pump activity, short pause)4. Product dispensing (the pump operation period is defined by the amount of product dispensed)5. The gear motor moves to its home position (the dregs are expelled automatically)Main switch ON START STOPTimeCoffee grinderHeatingPumpBrewing unit gearmotorStatus Heating Ready Coffee cyclePulses(Dosage)Pump activity(turbine pulses)depending on theproduct quantityselectedapprox.45 secs.*03