Lavor TUCSON XL, Manual, Page: 23 / 120

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 applian-
ce’s technical data plate.
- Remove and clean the filter.
- Contact an authorised servi-
ce centre.
- Increase the pressure by
screwing in the pressure re-
gulator 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 ga-
skets worn.
- The filter is dirty.
Repair
- Dismantle the lance and clean
the nozzle with the pin pro-
vided.
- 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 pre-
sent).
- Leaks from pressure regula-
tor valve.
- Leaks from water unions.
Repair
- Contact an authorised servi-
ce centre.
- Tighten the unions; if the
problem persists, contact an
authorised service centre.
- Contact an authorised servi-
ce centre.
- Tighten the unions; if the
problem persists, 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 servi-
ce centre.
- Contact an authorised servi-
ce 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 servi-
ce centre.
Fault The machine does not suck
wax or detergent
Cause
- Tanks empty.
- Rod knob on high pressure
position.
- Disconnected pipe in deter-
gent suction system.
Repair
- Replace oil with double fre-
quency that is suggested.
- Fill the tanks.
- Turn it to the low pressure
position.
- Return it into position.
EN
23