Adjusting the pump pressure
The pump is on the right side and is adjusted from the same side. During infusion the pressure should be
between 8 and 9 bars (displayed on the control / adjustment screen).
Turn the adjustment SCREW IN to increase the pressure
Turn the adjustment SCREW OUT to reduce the pressure
Adjusting the water inlet solenoid valve
The water inlet solenoid valve is situated on the front right of the machine. It is accessible from the side.
Method:
With the machine at its working temperature run a cycle (with coffee) continuously on all the groups
simultaneously.
Trigger the filling of the steam boiler (by running off hot water)
Adjust the maximum flow of the solenoid valve so that the pressure does not fall below 7 bars.
Then check that the boiler filling time is not excessively long.
Tools required:
- Flat screwdriver
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