Fault - Cause - Solution - Conti XEOS EVOLUTION 2 Notice Technique

36.

FAULT - CAUSE - SOLUTION

FAULT
1
Instead of steam, hot water is
coming out of the steam tap.
2
The espresso produced by
the machine are too long.
3
Water is dripping from the
group, regardless of whether
the filter holder is in place or
not.
4
Water escaping from the filter
holder despite a good service.
5
Continual dripping from the
steam wand and hot water
tap.
6
Neither the hot water nor the
steam function are working.
SACOME, Document CONFIDENTIEL,
SACOME, CONFIDENTIAL Document,
CAUSE
1. The water supply solenoid
valve.
2. Level sensor.
3. Heat exchanger.
Incorrect programming.
The group solenoid valve:
• plunger seals worn out
• scale or dirt deposits
Faulty or damaged filter
holder seals.
The waterproof washers on
the wand/taps have worn out.
Check in numerical order:
1. the pressure switch
2. the immersion heater
3. relays
Edition 07/2008 - XEOS EVOLUTION 2 - XEOS TALL CUP
NOTES TECHNIQUES - TECHNICAL DOCUMENTS - page 49
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1. Clean any deposits which have
built up around the plunger seal.
2. Check the connections; remove
any scale on the sensor.
3.Possible split, exchanger seal worn
out - repair or replace seal.
Re-program machine and check the
coffee grind.
Clean or replace the plunger.
Clean and change the seals (002710)
if necessary.
Replace the gasket (407502) and the
lip seal (407501)
1.Check if the pressure switch is
working: adjust/ replace
2.Replace the immersion heater.
3.Check the relays and change if
necessary
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SOLUTION