DèLonghi EN660, Руководство пользователя

Страница: 50 / 51

9.2 Procedure to check for water leakages and pump pressure
1 . Open the machine .
2 . Disconnect the heating elements and isolate them.
3 . Prepare an empty jug under the discharge tube.
4 . Press button to open fake capsule connector by opening the clamps ( fig 1 ).
5 . Insert the faked capsule inside the MBU, and block it by releasing the button ( fig. 2 ).
6 . Make sure the faked capsule is well placed and fixed ( fig. 3 ).
7 . Switch the machine on.
8 . Open the tap.
9 . Press the coffee button and let the water flow to the jug for about 10 seconds.
10 . Close the tap.
11 . The pressure will start to rise, getting stable between 16 and 19 bar.
Checkthe water pump pressure ( fig 4 ).
12 . Check all the hydraulic connections for water leakages.
13 . If , after having checked all parameters, the pressure of the pump is under 16 bars, change the pump.
Fig 1
Fig 2 Fig 3 Fig 4
50
The residual pressure must be released
after the test by opening the valve!
The pump is permitted to be in operation
for max. 50 sec. without an outlet.
!
Downloaded from www.Manualslib.com manuals search engine