Comet K Steel S Notice Technique - Utilisation Et Entretien page 34

PROBLEMS
No water comes out of the
nozzle or flow rate is poor.
Water leaking from under the
high pressure cleaner (S, 1001-
1251-1501 without Total Stop,
Xtreme).
Water leaking from under the
high pressure cleaner (Xtreme).
The high pressure cleaner stops
during operation.
Having released the spray gun
lever (22) and after about 13
seconds, the Total Stop function
fails to activate (TS, Eco).
The high pressure cleaner starts
again spontaneously from the
Total Stop condition (TS, Eco,
1001-1251-1501 with Total
Stop).
When the master switch (1)
is turned notwithstanding the
push button (21) has been
pressed (1001-1251-1501 with
Total Stop, Xtreme), the motor
hums but does not start.
34
CAUSES
No water.
Priming too deep.
Water nozzle clogged.
Pump priming is incomplete.
Back-flow preventer fault.
Thermostatic valve triggered.
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.
W o r k p r e s s u r e b e l o w
30 bar/435 psi: the device
does not activate under such
conditions.
Remember not to leave
the high pressure cleaner
in by-pass for more than 3
minutes.
Leaking and/or dripping in the
delivery circuit.
E l e c t r i c a l s ys te m a n d / o r
extension and/or power cable
(Xtreme) are inadequate.
REMEDIES
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.
Reduce the time the high pressure cleaner
stays in the by-pass operating mode (see
also the "Stopping operation" paragraph).
IF THIS HAPPENS PERSISTENTLY DO
NOT USE THE HIGH PRESSURE CLEANER
A N D C O N TA C T A S P E C I A L I Z E D
TECHNICIAN.
Reset the cutout device.
IN CASE THIS TRIPS AGAIN, DO NOT USE
THE HIGH PRESSURE CLEANER AND
CONTACT A SPECIALIZED TECHNICIAN.
Follow the instructions of the "Safety
devices" paragraph.
None.
Check soundness of the delivery circuit.
Make sure the power line connection
instructions have been followed (see
the Instruc tion manual – S afety
precautions), and check the instructions
in the "Installation" paragraph.