Wega Mininova Use And Maintenance Manual For The Technician page 18

To restore the level of liquid is sufficient to remove
the tank cover and add water.
It is recommended to clean the tank periodically as
follow:
1.
Extract the tank from its housing;
2.
carefully wash the tank with lukewarm water;
3.
fill the tank with potable water;
4.
place the tank correctly in place.
!
Fill the tank only with cold potable water. Do not
use other types of liquids or carbonated beverages.
Operating without water may damage the machine.
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