U service manual
Version 1.2 en
48
F U N C T I O N T E S T S
8.4 Tightness and leakage checks
This test must be performed:
- each time a part of the water circuit has been removed or replaced
- to confirm the tightness of the water circuit under pressure.
8.4.1 Preparations
Dangerous mains voltage inside the coffee machine!
Do not touch any parts under voltage while checking for leakages!
Dangerous hot parts under pressure inside the coffee machine!
Do not touch any hot/pressurized parts while checking for leakages!
Always wear protective goggles.
The prepared capsule
will not be perforated
by the blades and
blocks the water flow
through the capsule cage.
1) Prepare a capsule for the tightness
and leakage checks: squash capsule
by pressing the top with the thumb.
2) Remove top cover according to
"General disassembly" on page 27.
3) Fill water tank and place it on its arm.
4) Connect machine to mains.
5) Turn machine ON by either pushing
the slider or touching the controls.
The machine heats up.
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