LAVOR Pro MCHPV Manual Del Usuario página 24

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Fault
The pump doesn't reach
the necessary pressure
Cause
• Insuffi cient fl ow.
• Water
clogged.
• Suction/delivery
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 appli-
ance's technical data plate.
• Remove and clean the fi l-
ter.
• 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
are clogged or worn out.
• Worn gaskets.
• Pressure regulator valve
gaskets worn.
• The fi lter 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 fi lter.
Fault
Water leak from appliance
24
inlet
fi lter
is
valves
valves
Cause
• Water leaking from the
pump.
• Leaks from hose reel (if
present).
• Leaks from pressure regu-
lator valve.
• Leaks from water unions.
Repair
• Contact an authorised
service centre.
• Tighten the unions; if the
problem persists, contact
an authorised service cen-
tre.
• Contact an authorised
service centre.
• Tighten the unions; if the
problem persists, contact
an authorised service cen-
tre.
Fault
Abnormal noise
Cause
• Suction/delivery
are clogged or worn out.
• Worn bearings.
• The fi lter is dirty.
• Extreme water tempera-
ture.
Repair
• Contact an authorised
service centre.
• Contact an authorised
service centre.
• Remove and clean the fi l-
ter.
• Bring the temperature un-
der 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
EN
valves

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