Lavorwash Columbia LP Mode D'emploi page 21

Repair • Leave motor to cool for a few
minutes. If the problem persists,
contact an authorised service
centre..
Fault The pump doesn't reach
the necessary pressure
Cause • 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.
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 regula-
tor knob.
• Replace the nozzle.
Fluctuating pressure
Fault
Cause • The nozzle is either clogged or
deformed.
• Suction/delivery valves are
clogged or worn out.
• Worn gaskets.
• Pressure regulator valve gas-
kets 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 prob-
lem persists, contact an author-
ised service centre.
• Contact an authorised service
centre.
• Tighten the unions; if the prob-
lem persists, contact an author-
ised service centre.
Abnormal noise
Fault
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°.
Water is in the oil
Fault
Cause • O-rings (water and oil) are
worn out.
Repair • Contact an authorised service
centre.
The machine does not suck
Fault
wax or detergent
Cause • Tanks empty.
• Rod knob on high pressure po-
sition.
• Disconnected pipe in deter-
gent suction system.
EN
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