9
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Checks & adjustments
Usually, the adjustments are made before leaving the
factory. Check that these adjustments are correct and, if
necessary, change them, proceed as follows for access:
It is necessary to remove the right side of the machine:
Loosen the 3 mm BTR screws a few rotations at the bottom
of the machine (1), between the two straight feet.
Use the suction pad (2) to remove the side by tipping it (3)
upwards.
(
Be careful to support the element which is heavy!
)
♦
Temperature setting
The temperature of each unit and the steam boiler are
adjusted independently from the control screen in the “Use”
menu. (See p:24)
♦
Adjusting the expansion valve
The valve is on the front right-hand side of the machine
It can be adjusted the control screen
The valve must open at about 13 bar during heating
Use a lug wrench (ref.: OU003).
- If it opens ABOVE 13 bar:
UNSCREW
- If it opens BELOW 13 bar:
SCREW IN
After this adjustment, do not forget to block the lock-nut.
- Check the machine’s water supply.
- Shut down and restart the machine by turning the switch to OFF then ON.
- The filling starts again for 3 minutes.
♦
Unit boilers
A small quantity of water needs to flow from each unit.
If not, the upper keys of the default unit flash:
Check the machine’s water supply.
- Shut down and restart the machine: turn the switch to OFF then ON.
Refilling starts again.
♦
Heating
Heating of all elements starts automatically if correctly filled. When the operating temperature of the machine
is reached, the machine is operational.
The steam pressure and temperature of the units are visible on the screen.
It is advisable to leave the machine heating permanently on and leave the filter holders engaged onto
the machine when not infusing.
The menu is not accessible as long as the machine is not hot. Once the machine is hot, just press the screen
to access the menu.
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