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9. OTHER FAILURES
9.1 HYDRAULIC PROBLEMS OF THE COFFEE UNIT
9.1a 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
9.1b Dripping outside infusion periods
Water goes through the unit or the decompression pipe outside
The 3-way valve is opened as a result of the
too highly set expansion pressure
Set the high pressure valve opening
The pump pressure must be set at 10 bar
All manuals and user guides at all-guides.com
Repeat dose programing
infusion periods
(>13 bar)
at 13 bar
- 17 -
One of the connections located
after the dosing device outlet leaks
Check waterproofness
Replace gaskets
The valve flaps
are faulty
Check the flaps
Replace the flap
core, as necessary.
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