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© ETNA Coffee Technologies b.v.
Instruction for use CALLISTO
C O F F E E T E C H N O L O G I E S
5.5
Draining the boiler
New machines must be completely filled and emptied once before use.
The machine will fill up with water again when it is switched on. The
engineer carries out this procedure.
Summarized, a machine stands ready when:
1. it is plugged in,
2. it is filled with water,
3. there are no fault codes showing on the display.