Lavor INDO Serie Manual De Instrucciones página 26

PROBLEMS
The high pressure cleaner fails
to reach maximum pressure.
No water comes out of the
nozzle or flow rate is poor.
Water leaking from under the
high pressure cleaner (LENA).
Water leaking from under the
high pressure cleaner (LENA).
The high pressure cleaner
stops during operation.
The high pressure cleaner
starts again spontaneously
from the Total Stop condition
(INDO).
When the master switch (1)
is turned notwithstanding the
push button (21) has been
pressed (LENA), the motor
hums but does not start.
26
CAUSES
The regulation valve is set
for a pressure lower than the
maximum one.
The nozzle is worn.
Not enough water is being
supplied or priming depth is
excessive.
Back-flow preventer fault.
No water.
Priming too deep.
Water nozzle clogged.
Pump priming is incomplete.
Back-flow preventer fault.
Thermostatic valve triggered. Reduce the time the high pressure cleaner
Relief valve triggered.
Tripping of system cutout
device to which the high
pressure cleaner is connected
(fuse, RCCB, etc.).
Tripping of thermal protection
or ampere cut-out protection.
Leaking and/or dripping in the
delivery circuit.
Electrical system and/or
extension are inadequate.
REMEDIES
Turn the pressure adjustment knob (8)
clockwise.
Replace the nozzle as explained in the
"Routine Maintenance" paragraph.
Make sure the tap is fully open and that
the mains flow rate or priming depth
conform to what is specified in the
"Specifications and technical data"
paragraph.
Refer to the relative manual.
Check that the mains water tap is fully
open or the suction pipe can prime.
Check that the priming depth conforms
to what is specified in the "Specifications
and technical data" paragraph.
Clean and/or replace the nozzle as
explained in the "Routine Maintenance"
paragraph.
Follow the instructions given in the
"Operation – Preliminary activities"
paragraph.
Refer to the relative manual.
stays in the by-pass operating mode
(see also the "Stopping operation"
paragraph).
IF THIS HAPPENS PERSISTENTLY
DO NOT USE THE HIGH PRESSURE
C L E A N E R A N D C O N T A C T A
SPECIALIZED TECHNICIAN.
Reset the cutout device.
IN CASE THIS TRIPS AGAIN, DO NOT
USE THE HIGH PRESSURE CLEANER
A N D CO N TAC T A S P E C I A L I Z E D
TECHNICIAN.
Follow the instructions of the "Safety
devices" paragraph.
Check soundness of the delivery circuit.
Make sure the power line connection
instructions have been followed (see
the Instruction manual – Safety
precautions), and check the instructions
in the "Installation" paragraph.