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3) Open a steam drawing valve to facilitate the draining of the water until the end of the operation.
4) When water no longer comes out of the boiler, close the boiler drain and the steam drawing tap.
5) Fill the coffee machine with water as instructed in the paragraph entitled “Filling the boiler with water”.
9. idle periods
If the machine is to remain idle for long periods (weekly closing days, holidays, etc.), take the following pre-
cautions:
1) Turn the main switch to
0
(zero) and if necessary unplug the power cable or disconnect the main switch
from the electrical mains.
2) Close the cut-off valve of the water mains.
3) if you think the temperature might drop below 5 °C, completely drain the water system of the coffee ma-
chine.
4) Wash the components of the coffee machine as described in the paragraph entitled "routine mainte-
nance".
5) Cover the machine if necessary.
10. Display of alarms
10.1 Volumetric meters alarm
The button relating to the volumetric meters of all the units lights up. When coffee is dispensed, the lED inside
it must flash. If the volumetric meter shuts down for more than two minutes during dispensing, the electronic
control unit stops dispensing coffee and signals the alarm by the flashing of button
A
(short coffee first unit).
Note:
Make sure that the coffee has been dispensed into the cup correctly; if not, see the chapter entitled “TROU
-
BLESHOOTING”.
10.2 Automatic level alarm
If the water level in the boiler is below normal and the pump is not able to restore that level within 150 sec-
onds, the electronic control unit of the appliance will stop the automatic filling and signal the problem via the
simultaneous flashing of the double short coffee button of all units plus the large tea key and the first of the
three lEDs of the electronic level control.
Note:
If the boiler was not filled correctly, see the chapter entitled “TROUBLESHOOTING”.
10.3 Maximum water level in boiler alarm
If the level of water in the boiler is over the safe level, the electronic control unit will stop automatic filling and
signal the problem through simultaneous flashing of the serving buttons plus the three lED's of the electronic
level control.
Note:
If the maximum boiler level alarm trips, see the chapter entitled “TROUBLESHOOTING”.