30
PROBLEM CAUSE SOLUTION
The cleaner fails to reach
maximum pressure
The adjustment valve is set for a
pressure below the maximum.
Turn the knob clockwise (8).
The nozzle support head (30) is set
at low pressure (Fig.9- Position a)
(only models without box).
Follow the indications in Fig. 9 -
Positionb.
The nozzle is worn. Replace the nozzle as instructed in
“ROUTINE MAINTENANCE”.
Not enough water supply or
priming too deep
Check the tap is fully open and that
the mains water pressure or the
priming depth comply with the data
in
“TECHNICAL CHARACTERISTICS AND
SPECIFICATIONS”
.
Backow hydraulic device fault. Refer to the relative manual.
Poor intake of detergent. Nozzle-holder head (30) in high
pressure (Fig.9- Position b) (only
models without box).
Follow the indications in Fig. 9 -
Positiona.
The detergent adjustment
knob(34) is not open enough.
Turn the knob clockwise.
After use with an external tank
the cap (55) was not put back
properly.
Put the cap back on properly.
Detergent suction filter(58)
clogged.
Follow the instructions given in the
“ROUTINE MAINTENANCE”
paragraph.
The detergent is too viscose. Use one of the detergents
recommended by the Manufacturer
and dilute it as instructed on the label.
No water comes out of the
nozzle or ow rate is poor.,
No water. Check that the mains water tap is fully
open or the suction pipe can prime.
Priming too deep. Check that the priming depth complies
with the data given in the paragraph
“TECHNICAL CHARACTERISTICS AND
SPECIFICATIONS”.
Clogged water nozzle. Clean and/or replace the nozzle
as instructed in
“ROUTINE
MAINTENANCE”
.
Backow hydraulic device fault. Refer to the relative manual.
Water leaking from under the
high pressure cleaner.
Safety valve triggered.
IF THIS HAPPENS PERSISTENTLY DO NOT
USE THE HIGH PRESSURE CLEANER BUT
CONTACT A QUALIFIED TECHNICIAN.
The cleaner stops working
and the warning light (42)
is o.
A safety device has been tripped
in the system where the cleaner
is connected (a fuse, dierential
switch, etc.).
Reset the safety device.
SHOULD IT TRIP
AGAIN, DO NOT USE THE CLEANER AND
CONTACT A QUALIFIED TECHNICIAN.
The high pressure water
cleaner stops while it is being
used (with warning light (46)
on, only on EXTRA).
The amperometric protector has
tripped.
Follow the instructions in
“SAFETY
FEATURES”.
(continues on the next page)