Lavor BOLT Mode D'emploi page 24

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Repair
Fault
Cause
Repair
Fault
Cause
Repair
Fault
24
• Fit plug in power socket
correctly.
• Have electrical socket checked.
• Have a check made on the
suitability of the mains system.
• Turn switch to ON while
keeping nozzle trigger pressed;
if problem persists, contact an
authorised service centre.
The motor stops suddenly
• Thermic safety switch has
tripped due to the overheating.
• Cable extension seems to be
inadequate.
• Leave motor to cool for a
few minutes. If the problem
persists, contact an authorised
service centre..
The pump doesn't reach
the necessary pressure
• Insufficient flow.
• Water inlet filter is clogged.
• Suction/delivery valves 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 appliance's
technical data plate.
• Remove and clean the filter.
• Contact an authorised service
centre.
• Increase the pressure by
screwing in the pressure
regulator knob.
• Replace the nozzle.
Fluctuating pressure
Cause • The nozzle is either clogged or
deformed.
• Suction/delivery valves are
clogged or worn out.
• Worn gaskets.
• Pressure
gaskets worn.
• The filter is dirty.
Repair • 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
Fault
Cause • Water leaking from the pump.
• Leaks from hose reel (if
present).
• Leaks from pressure regulator
valve.
• Leaks from water unions.
Repair • Contact an authorised service
centre.
• Tighten the unions; if the
problem persists, contact an
authorised service centre.
• Contact an authorised service
centre.
• Tighten the unions; if the
problem persists, contact an
authorised service centre.
Abnormal noise
Fault
Cause • Suction/delivery valves are
clogged or worn out.
• Worn bearings.
• The filter is dirty.
• Extreme water temperature.
regulator valve