Coffee Cycle - Philips 4000 Service Manual

PHILIPS 4000

3.7. Coffee cycle

Main switch ON
Time
Coffee grinder
Heating
Pump
Brewing unit gear
motor
Status
Notes: * Only with Pre-brewing
Status
Microswitch
(gear motor)
1. The coffee grinder starts the grinding process (controlled by Time);
2. The gear motor (brewing unit) moves to the brewing position;
3. Preliminary dispensing phase (short pump activity, short pause);
3.1. Solenoid valve opening (For products: Cappuccino and Frothed Milk);
3.2. Dispensing Milk (For products: Cappuccino and Frothed Milk);
3.3. Solenoid valve closing (For products: Cappuccino and Frothed Milk);
4. Coffee 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);
Note: For the product cafè au lait, the dispensing of the milk takes place after that of coffee.
START
approx.
45 sec.
Heating Ready
OFF
Coffee cycle
Time
(Dosage)
Pump operation (flow
accordance with the
amount of product
*
Coffee cycle
ON
03 OPERATING LOGIC
STOP
meter pulses) in
selected.
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