La Marzocco GS/3 Owner's Manual page 24

Steam Boiler
Pressure Gauge
24
You may also monitor the steam
11
boiler heating progress by watching
the Steam Boiler Pressure Gauge. The
steam boiler is set at approximately
2.0 Bar of pressure at the factory.
Once the pressure gage reaches
this point the heating will stop.
When the coffee boiler reaches
operating temperature all lights on
the keypad will light. Should you wish
to adjust the pressure of the steam
boiler please refer to the Software
Programming Guide
section "Steam Boiler temperature".
Coffee Boiler
Pressure Gauge
under the