Troubleshooting - La San Marco 20/20 CLASSIC Serie Emploi Et Entretien

11. La San Marco S.p.A declines every responsibility for eventual damage caused, directly or indirectly, from
the improper use of the machine, incorrect installation or poor maintenance, excluding that explicitly
provided for by the law.
12. La San Marco S.p.A doesn't answer to warranty conditions, beyond those listed, conceded by the im-
porters/dealers to their clients. Also the obligations of labour are excluded from the warranty of La San
Marco , travel and added costs relative to the reparation or substitution of the defective components of
the machine.
13. If, after an examination of La San Marco the returned component proves not to be defective, the client shall
be charged any costs for management, technical inspections and possible tests. Also the charges for the
shipping and the restitution of the material will be charged.

13. Troubleshooting

DEFECT
1. The boiler is full of water
and the water flows out
of the safety valve.
2. The safety valve trips,
venting the steam. The
pressure gauge indicates
a boiler pressure higher
than 1.8 bar.
3. The machine was started
properly but the water in
the boiler does not warm
up.
46
CAUSE
remains open.
faulty.
control system (the heating
element is always powered).
bar safety valve tripped).
defective or not connected.
1.
SOLUTION
and contact an authorized qualified
technician.
must check the correct operation of
the filling solenoid, the electronics
controlling the automatic level and
any faults in the manual filling valve.
power switch to position 0 and
contact an authorized qualified
technician.
must check the electrical wires
powering the heating element, the
temperature control system switch
and the safety thermostat.
position 2.
must check the electrical wires
powering the heating element.
Moreover, it is important to check
whether the thermostat tripped the
heating element safety and to check
its correct operation.