Pressure Test; Preparation - Nespresso ZENIUS ZN 100 PRO Service Manual

74
F U N C T I O N T E S T S

8.6 Pressure test

Danger of electrocution!
Mains voltage inside the coffee machine.
Danger of electrical shock.
- ASC Maintenance pressure mode must
be entered (button board).
- Static pressure can be measured.
- Fluid system tightness can be measured.

8.6.1 Preparation

OFF
1. Switch off the coffee machine.
4. Pull the tube clip out of the
venting E-valve exit and
remove the connection hose.
7. Fill the water tank with fresh,
potable water and place it on
the coffee machine.
2. Remove the plug and the water
tank.
5. Put the pressure hose into the
venting E-valve exit and fix it
with the tube clip.
8. Remove the drip unit and the
capsule container.
3. Remove the right side panel
(see chapter 7.3.2).
6. Snap off the connection hose
and fix it with a clamp.
9. Insert a dummy capsule in the
brewing unit to block it.