Comet KM Serie Notice Technique page 30

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