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
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 ser-
vice centre.
- Contact an authorised ser-
vice centre.
- Contact an authorised ser-
vice centre.
- Remove and clean the filter.
Fault
Water leak from appliance
Cause
- Water leaking from the
pump.
- Leaks from hose reel (if
present).
- Leaks
regulator valve.
- Leaks from water unions.
an
authorised
from
pressure
23
Repair
- Contact
service centre.
- Tighten the unions; if the
problem persists, contact
an
centre.
- Contact
service centre.
- Tighten the unions; if the
problem persists, contact
an
centre.
Fault
Abnormal noise
Cause
- Suction/delivery valves are
clogged or worn out.
- Worn bearings.
- The filter is dirty.
- Extreme
temperature.
Repair
- Contact
service centre.
- Contact
service centre.
- Remove and clean the
filter.
- Bring
under 50°.
Fault
Water is in the oil
Cause
- O-rings (water and oil) are
worn out.
Repair
- Contact
service centre.
Fault
The machine does not suck
wax or detergent
Cause
- Tanks empty.
- Rod knob on high pressure
position.
- Disconnected
detergent suction system.
Repair
- Replace oil with double
frequency
suggested.
- Fill the tanks.
- Turn it to the low pressure
position.
- Return it into position.
EN
an
authorised
authorised
service
an
authorised
authorised
service
water
an
authorised
an
authorised
the
temperature
an
authorised
pipe
in
that
is