Comet ETM series Bedienungs- Und Wartungseinleitung Seite 21

PROBLEMS
The high-pressure cleaner
vibrates a lot and is noisy.
The high-pressure cleaner
fails to reach maximum
pressure.
Low detergent suction
No water comes out of the
nozzle.
The high-pressure cleaner
stops during operation.
T h e h i g h - p r e s s u r e
cleaner star ts again
spontaneously.
When the master switch (1)
is turned, the motor hums
but does not start.
CAUSES
Water inlet filter (21) dirty.
Suction of air.
Not enough water supply or too
much priming depth.
Unloader/regulation valve set at
a lower value than the maximum
one.
[ETM 100, ETM 130, ETM 150]
Nozzle holder head (11) in low-
pressure mode (fig. 3 - Position A).
Worn nozzle.
Not enough water supply or too
much priming depth.
Faulty operation of the BA type
water mains disconnector
[ETM 100, ETM 130, ETM 150]
Nozzle holder head (11) not in low-
pressure mode (fig. 3 - Position B).
[ETM 100, ETM 130, ETM 150]
Detergent suction filter (16)
clogged.
[ETM 100, ETM 130, ETM 150]
Detergent too viscous.
No water.
Faulty operation of the
water mains disconnector.
Too much suctioning depth.
Water nozzle clogged.
Tripping of system cutout device to
which the high-pressure cleaner is
connected (fuse, RCCB, etc.).
Tripping of the ampere cut-out
protection device.
Leaking and/or dripping in the
delivery circuit.
Electrical system and/or extension
inadequate.
Follow the indications of the
MAINTENANCE"
Check the integrity of the suction circuit.
Make sure the tap is completely open and that the
water mains flow or priming depth are in conformity
with the indications of the paragraph
PRELIMINARY ACTIVITIES"
Turn the knob (6) clockwise.
Refer to fig. 3 - Position B.
Replace the nozzle as indicated in the
MAINTENANCE"
Make sure the tap is completely open and that the
water mains flow or priming depth are in conformity
with the indications of the paragraph
PRELIMINARY ACTIVITIES"
See table in relative instruction manual.
Refer to fig. 3 - Position A.
Follow the indications of the
MAINTENANCE
Use a detergent recommended by the Manufacturer,
and dilute in accordance with plate instructions.
Make sure the water mains tap is completely open
or the suction hose can prime.
type See table in relative instruction manual.
BA
Make sure the priming depth is in conformity with
the indications of the paragraph
PRELIMINARY ACTIVITIES"
Clean and/or replace the nozzle as indicated in the
"ROUTINE MAINTENANCE"
Reset the cutout device.
IN CASE THIS TRIPS AGAIN, DO NOT USE THE
HIGH-PRESSURE CLEANER AND CONTACT A
SKILLED TECHNICIAN.
Follow the indications of the
paragraph.
Check the integrity of the delivery circuit.
Make sure the power line connection instructions
have been followed (see the
MANUAL - SAFETY PRECAUTIONS
reference to the extension used.
REMEDIES
"R O U T I N E
paragraph.
"OPERATION -
fig. 5 - Operation G.
"ROUTINE
paragraph.
"OPERATION -
fig. 5 - Operation G.
"R O U T I N E
" paragraph.
"OPERATION -
fig. 5 - Operation G.
paragraph.
"SAFETY DEVICES"
INSTRUCTION
), with special
EN
21