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TROUBLESHOOTING
Before doing any work on the machine, discon-
nect the electricity and water supplies and dis-
charge the pressure. Proceed systematically to
identify faults following the chart below; if you
are still unable to eliminate the problem, call in
the Authorized After-Sales Service.
Fault
When switch "ON" the ma-
chine will not start work-
ing
Cause
• Plug not properly inserted
• Electric socket is faulty.
• The main voltage is insuf-
• The pump is stuck.
• Gauge of extension lead
Repair
• Fit plug in power socket
• Have
• Have a check made on the
• Turn switch to ON while
• Refer to maintenance sec-
Fault
The motor stops suddenly
Cause
• Thermic safety switch has
• Cable extension seems to
Repair
• Leave motor to cool for a
• Refer to maintenance sec-
Fault
The pump doesn't reach
the necessary pressure
in socket.
ficient.
not sufficient.
correctly.
electrical
socket
checked.
suitability of the mains
system.
keeping nozzle trigger
pressed; if problem per-
sists, contact an author-
ised service centre.
tion.
tripped due to the over-
heating.
be inadequate.
few minutes. If the prob-
lem persists, contact an
authorised service centre.
tion.
Cause
Repair
Fault
Cause
Repair
Fault
Cause
19
• Insufficient flow.
• Water
inlet
filter
clogged.
• Suction/delivery
are clogged or worn out.
• Pressure regulator valve
set on minimum.
• The nozzle is worn out.
• Check that the delivery
rate is 30% higher than the
value stated on the appli-
ance's technical data plate.
• Remove and clean the fil-
ter.
• Contact an authorised
service centre.
• Increase the pressure by
screwing in the pressure
regulator knob.
• Replace the nozzle.
Fluctuating pressure
• The nozzle is either clogged
or deformed.
• Suction/delivery
are clogged or worn out.
• Worn gaskets.
• Pressure regulator valve
gaskets worn.
• The filter is dirty.
• Dismantle the lance and
clean the nozzle with
the pin provided.
Contact an authorised serv-
ice centre.
Contact an authorised serv-
ice centre.
Contact an authorised serv-
ice centre.
Remove and clean the filter.
Water leak from appliance
• Water leaking from the
pump.
• Leaks from hose reel (if
present).
• Leaks from pressure regu-
lator valve.
• Leaks from water unions.
EN
is
valves
valves