Lavor 8.613.0001, Manual, Page: 21 / 96

Cause • Insufficient flow.
• Water inlet filter is clogged.
• Suction/delivery valves are clogged or
worn out.
• Pressure regulator valve set on mini-
mum.
• The nozzle is worn out.
Repair • 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.
Fault Fluctuating pressure
Cause • The nozzle is either clogged or deformed.
• Suction/delivery valves are clogged or
worn out.
• Worn gaskets.
• Pressure regulator valve gaskets worn.
• The filter is dirty.
Repair • Dismantle the lance and clean the nozzle
with
the pin provided.
Contact an authorised service centre.
Contact an authorised service centre.
Contact an authorised service centre.
Remove and clean the filter.
Fault Water leak from appliance
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 per-
sists, contact an authorised service centre.
• Contact an authorised service centre.
• Tighten the unions; if the problem per-
sists, contact an authorised service centre.
Fault Abnormal noise
Cause • Suction/delivery valves are clogged or
worn out.
• Worn bearings.
• The filter is dirty.
• Extreme water temperature.
Repair • Contact an authorised service centre.
• Contact an authorised service centre.
• Remove and clean the filter.
• Bring the temperature under 50°.
Fault Water is in the oil
Cause • O-rings (water and oil) are worn out.
Repair • Contact an authorised service centre.
Fault The machine does not suck wax or
detergent
Cause • Tanks empty.
• Rod knob on high pressure position.
• Disconnected pipe in detergent suction
system.
Repair • Replace oil with double frequency that is
suggested.
• Fill the tanks.
• Turn it to the low pressure position.
• Return it into position.
> REPAIRS - SPARE PARTS
For any problems not mentioned in this manual, or if
the machine breaks down, you are urged to contact
an
Authorized After-Sales Service
for the relative
repair or for any replacement of components with
original spare parts. Use exclusively original replace-
ment parts.
> WARRANTY CONDITIONS
All our machines are subjected to strict tests
and are covered against manufacturing de-
fects in accordance with applicable regula-
tions. The warranty is effective from the date
of purchase.
The following are not included in the war-
ranty:
- Parts subject to normal wear. - Rub-
ber parts, charcoal, filters and the accessories
and optional accessories. - Accidental damage,
EN
21