LAVOR Pro MCHPX series Handbuch Seite 24

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