Troubleshooting - Lavorwash MARSHALL 2300 Manual Del Usuario

FAULT
The pump doesn't reach
the necessary pressure
Fluctuating pressure
Water leaking from the
pump
Loss of pressure
Noise
Water is in the oil
Water leakage from the
head
Lance blocked
II. WATER SUCTION FILTER CHECKING
Check periodically in order to avoid deposits clogging
it (fi g. 17).
III. LONG STORAGE PERIOD
If you forsee/expect to keep the machine in environ-
ments where there is danger of ice/frost or if you don't
18
CAUSE
Water inlet filter is clogged
Suction/delivery valves are clogged or
worn out
Lance nozzle incorrect or worn out
Air intake
Valves dirty, worn out or stuck
Sealing worn out
Sealing worn out
The nozzle is worn out
The valves are dirty or blocked
Adjusting valve seal is worn out
Seals are worn out
The filter is dirty
Air intake
Valves are worn out dirty or blocked
Bearings are worn out
Extreme water temperature
The filter is dirty
O-rings (water and oil) are worn out.
High moisture in the air
Seals are worn out
O-rings seal system are worn out
Nozzle is dirty
fi g. 17
Clean the water inlet filter
Contact an authorised service centre
Check and/or replace
Check that connections and locking
ring are well tightened
Contact an authorised service centre
Contact an authorised service centre
Contact an authorised service centre
Replace the nozzle
Contact an authorised service centre
Contact an authorised service centre
Contact an authorised service centre
Check and/or clean
Check the intake pipes
Contact an authorised service centre
Contact an authorised service centre
Bring the temperature under 40° C
Check and clean
Contact an authorised service centre
Replace oil with double frequency that
is suggested
Contact an authorised service centre
Contact an authorised service centre
Clean nozzle with the pin included in
the unit
use it for more than 3 months, we suggest to get the
machine to intake an antifreeze before putting it away
(similar to that used for cars).
Furthermore, at start-up, small leaks may occur from
the pump; these will disappear after a few hours in op-
eration. Up to 10 drops a minute are acceptable; in case
of larger leaks contact an Authorised Service Centre.

TROUBLESHOOTING

Motor: see "owner's manual - general gasoline en-
gine".
High-pressure water pump: SEE THE TABLE
REPAIRS - SPARE PARTS
REPAIR