Gaggia Anima Service Manual

Also see for Anima: Operating instructions Operating instructions Operating instructions

Gaggia Anima Service Manual Manual pdf 24 page image

GAGGIA ANIMA 04 OPERATING LOGICPag. 4/104.5. Coffee grinder only for 120v2345614.6. Detection of coffee bean absence, dose adjustment,blocked coffee grindert1Vt2t3t4tWithout beans n=100%With beans n=100%Without beans n=50%With beans n=50%The coffee grinder is activated by a direct current motor (1) via helicoidal wheel transmission anda worm screw (2).The worm screw (2) activates a plastic toothed wheel (3), which turns the lower grinder blade (4)and the increment pin (5).There are two magnets (6) in the toothed wheel and with every rotation they transmit two pulsesto a Hall sensor, which in turn transmits them to the electronic system.No coffeeWhen no coffee beans are present, this is detected by the Hallsensor due to variations in the pulse frequency (with or withoutcoffee).If there are no coffee beans (operation while empty), the numberof rotations and therefore the number of pulses, will be greatert1 = no coffee signalIf there are coffee beans, the number of rotations will belower due to the force created during the grinding processt2 = no signalt3 and t4 = this reading is takenat the end of each grinding processDose quantity adjustmentThe dose quantity is adjusted in accordance with the pulsesdetected(number of rotations proportional to the weak, medium andstrong flavour selection)Blocked grinder bladesIf the coffee grinder is blocked for any reason, pulses will nolonger be transmitted to the electronic system and the grinderstops