Unic Rumba, Техническая документация

Страница: 20 / 125

- 20 -
10. OTHER FAILURES
10.1 HYDRAULIC PROBLEMS OF THE COFFEE UNIT
10.1a Doses lighter than initially set
The obtained doses are lighter than initially set
There is a leak located just after the dosing device
The decompression way of the unit
valve leaks during the infusion
process
Check flaps
One of the connections located
after the dosing device outlet leaks
Check waterproofness
Replace gaskets
Repeat dose programing
10.1b Dripping outside infusion periods
Water goes through the unit or the decompression pipe outside
infusion periods
The 3-way valve is opened as a result of the
too highly set expansion pressure
(>13 bar)
The valve flaps
are faulty
Set the high pressure valve opening
at 13 bar
The pump pressure must be set at 10 bar
Check the flaps
Replace the flap
core, as necessary.