Troubleshooting - Comet K Steel S Bedienungs- Und Wartungsanleitung

CAUTION
• The data given in the table are approximate. It might be necessary to carry out maintenance more
frequently in the case of particularly heavy work.
PROBLEMS
When the switch (1) is
moved to "1" position,
LED (31) does not turn on
The high pressure cleaner
is vibrating a lot and is
noisy.
The high pressure cleaner
fails to reach maximum
pressure.
Poor detergent suction.

TROUBLESHOOTING

CAUSES
The switch to which the power
cable plug is connected is in "0"
position.
Tripping of system cutout device
to which the high pressure cleaner
is connected (fuse, RCCB, etc.).
The plug is not properly fitted.
Water inlet filter (18) dirty.
Air suction.
Pump priming is incomplete.
Not enough water is being
supplied or priming depth is
excessive.
Throttling in the suction circuit
(bends, elbows, etc.).
The pressure regulator (28) of the
cleaner gun (17) is set for a lower
pressure value.
The regulation valve is set for a
pressure lower than the maximum
one.
Nozzle holder head (23) in low-
pressure mode ( . 4 -
FIg
a ") .
"
The nozzle is worn.
Not enough water is being
supplied or priming depth is
excessive.
Back-flow preventer fault.
Nozzle holder head (23) not in low-
pressure mode ( . 4 -
FIg rEFErEncE
The pressure regulator (28) is set
for a pressure value below the
maximum one.
Detergent suction filter (21)
clogged.
The detergent being used is too
viscous.
Move the master switch to "1" position.
Reset the cutout device.
IN CASE THIS TRIPS AGAIN, DO NOT USE
THE HIGH PRESSURE CLEANER AND
CONTACT A SPECIALIZED TECHNICIAN.
Disconnect the plug and fit it back correctly.
Follow the instructions given in the "Routine
Maintenance" paragraph.
Check soundness of the suction circuit.
Follow the instructions given in the
"Operation – Preliminary activities"
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.
Use an suction hose free from throttling.
Turn the regulator completely as in
. 4.
In FIg
Turn the pressure adjustment knob (8)
clockwise.
Proceed as explained in Fig. 4-b.
rEFErEncE
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.
Proceed as explained in Fig. 4-a.
"b" .
Restore the maximum pressure value.
. 4.
In FIg
Follow the instructions given in the "Routine
Maintenance" paragraph.
Use a detergent recommended by the
manufacturer and follow the diluting
instructions on the label.
REMEDIES
stEp
stEp
(continues on the next page)
EN
h
h
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