24
EN
TROUBLESHOOTING
Motor:
see “owner’s manual - general gasoline engine”.
High-pressure water pump:
FAULT
CAUSE
REPAIR
The pump doesn’t
reach the necessary
pressure
Water inlet fi lter is clogged
Suction/delivery valves are
clogged or worn out
Lance nozzle incorrect or worn
out
Clean the water inlet fi lter
Contact an authorised service centre
Check and/or replace
Fluctuating pressure
Air intake
Valves dirty, worn out or stuck
Sealing worn out
Check that connections and
locking ring are well tightened
Contact an authorised service centre
Contact an authorised service centre
Water leaking from
the pump
Sealing worn out
Contact an authorised service centre
Loss of pressure
The nozzle is worn out
The valves are dirty or blocked
Adjusting valve seal is worn out
Seals are worn out
The fi lter is dirty
Replace the nozzle
Contact an authorised service centre
Contact an authorised service centre
Contact an authorised service centre
Check and/or clean
Noise
Air intake
Valves are worn out dirty or
blocked
Bearings are worn out
Extreme water temperature
The fi lter is dirty
Check the intake pipes
Contact an authorised service centre
Contact an authorised service centre
Bring the temperature under
40° C
Check and clean
Water is in the oil
O-rings (water and oil) are worn
out.
High moisture in the air
Contact an authorised service centre
Replace oil with double
frequency that is suggested
Water leakage from
the head
Seals are worn out
O-rings seal system are worn out
Contact an authorised service centre
Contact an authorised service centre
Lance blocked
Nozzle is dirty
Clean nozzle with the pin
included in the unit
REPAIRS - SPARE PARTS
For any further inconveniences, not mentioned in this booklet or any demages of the machine,
we suggest you to go to an Authorized Assistance center for the repair or possible replacement
of any original spare parts.
DISASSEMBLING OF THE MACHINE
When you decide not to use the machine, we recommend the following:
- Place it out of the reach of children;
- Do not use the disassembled parts of the machine as spare parts;
- Disassemble the machine for spare parts disposal according to the law in force.
