48
49
9 PROBLEMS, CAUSES AND SOLUTIONS
fi«
CAUTION
•
Before undertaking any action, follow the instructions in the
“Switching off”
section. If it is
not possible to restore correct operation of the high pressure cleaner using the information in
the table below, contact a
Skilled Technician
.
FAILURES
CAUSES
SOLUTIONS
By setting the switch
(1)
to
«1»,
the water cleaner does
not start.
Remember also what
mentioned in the note of
section «Interrupting the use
(Total Stop)».
A safety device of the system to which
the water cleaner is connected (fuse,
differential switch, etc.) has triggered.
The plug of the power supply cable is
not inserted correctly.
Reset the protection device.
In case of a new triggering, do not use
the water cleaner and apply to a
Skilled
Technician
.
Disconnect the plug from the socket and
reconnect it correctly.
The water cleaner vibrates a
lot and is noisy.
The water inlet filter
(15)
is dirty.
The water supply is not enough.
Observe what mentioned in the section
«Routine maintenance».
Check that the tap is completely opened and
that the capacity of the hydraulic network
conforms with what mentioned in the section
«Features and technical specifications».
The water cleaner does
not reach the maximum
pressure.
The nozzle-holding multi-adjusting
head
(12)
is in low pressure position
(Fig.
H-1
).
The nozzle is worn.
Operate according to what shown in Fig.
H-2
.
Replace the nozzle according to what
mentioned in the section «Features and
technical specifications».
Poor detergent suction.
The nozzle-holding multi-adjusting
head
(12)
is not in low pressure
position (Fig.
H-1
)
Product missing in the tank.
The used detergent is too viscous.
Operate according to what shown in Fig.
H-1
.
Add product to the tank.
Use a detergent that is recommended by the
producer, by observing the thinning indicated
on the label.
No water comes out from
the nozzle.
Water missing.
Water nozzle clogged.
Check that the tap of the water network is
completely opened.
Clean and/or replace the nozzle according to
what mentioned in the section «Features and
technical specifications».
The water cleaner stops
during the operation.
A safety device of the system to which
the water cleaner is connected (fuse,
differential switch, etc.) has triggered.
The amperometric protection device
has cut in.
Reset the protection device.
In case of a new triggering, do not use
the water cleaner and apply to a
Skilled
Technician
.
Observe what mentioned in the section
«Safety devices».
Rotating the main switch
(1)
,
the motor hums but does
not start.
The electrical system and/or the
extension are not suitable.
Observe what mentioned in the section
«Checks and connection to mains electricity
supply».
