Coffee Grinder 230V; Autodose System Description 230V - Saeco GAGGIA VELASCA CMF-OTC Service Manual

GAGGIA VELASCA

4.4. Coffee grinder 230V

The coffee grinder is driven by a direct current motor (1) using a worm screw helicoidal wheel
transmission (2).
The worm screw (2) drives a plastic gear wheel (3), which turns the lower grinder (4) and the
increment pin (5)

4.5. Autodose system description 230V

I = current when the BU is moving without load, i.e. without coffee. It occurs, for example, dur-
0
ing the rinsing phase of coffee spout.
Current targets:
If the BU current is ≤ the current target
If the BU current is ≥ the current target
1
mA
I + 200
0
I + 100
0
I + 55
0
I
0
Auto-Zero
100≤ I ≤300
0
Aroma 1
Aroma 2/3
Aroma 4/5
100 mA ≤ I
0
the grinding time
the grinding time
5
2
3
Aroma 4/5
Aroma 2/3
Aroma 1
55mA
100mA
200mA
≤ 300 mA
04 OPERATING LOGIC
4
4/7