Comet XTREME - Page 27

27
PROBLEMS CAUSES REMEDIES
The high pressure cleaner fails
to reach maximum pressure.
The regulation valve is set
for a pressure lower than the
maximum one.
Turn the pressure adjustment knob (8)
clockwise.
The nozzle is worn. Replace the nozzle as explained in the
“Routine Maintenance”
paragraph.
Not enough water is being
supplied or priming depth is
excessive.
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.
Back-ow preventer fault. Refer to the relative manual.
No water comes out of the
nozzle or ow rate is poor.
No water. Check that the mains water tap is fully
open or the suction pipe can prime.
Priming too deep. Check that the priming depth conforms
to what is specied in the “Specications
and technical data” paragraph.
Water nozzle clogged. Clean and/or replace the nozzle as
explained in the “Routine Maintenance”
paragraph.
Pump priming is incomplete. Follow the instructions given in the
“Operation – Preliminary activities”
paragraph.
Back-ow preventer fault. Refer to the relative manual.
Water leaking from under
the high pressure cleaner
(XTREME).
Thermostatic valve triggered. Reduce the time the high pressure cleaner
stays in the by-pass operating mode
(see also the “Stopping operation”
paragraph).
Water leaking from under
the high pressure cleaner
(XTREME).
Relief valve triggered. IF THIS HAPPENS PERSISTENTLY
DO NOT USE THE HIGH PRESSURE
CLEANER AND CONTACT A
SPECIALIZED TECHNICIAN.
The high pressure cleaner
stops during operation.
Tripping of system cutout
device to which the high
pressure cleaner is connected
(fuse, RCCB, etc.).
Reset the cutout device.
IN CASE THIS TRIPS AGAIN, DO NOT
USE THE HIGH PRESSURE CLEANER
AND CONTACT A SPECIALIZED
TECHNICIAN.
Tripping of thermal protection
or ampere cut-out protection.
Follow the instructions of the “Safety
devices” paragraph.
The high pressure cleaner
starts again spontaneously
from the Total Stop condition
(1001-1251-1501).
Leaking and/or dripping in the
delivery circuit.
Check soundness of the delivery circuit.
When the master switch (1)
is turned notwithstanding the
push button (21) has been
pressed (XTREME), the motor
hums but does not start.
Electrical system and/or
extension are inadequate.
Make sure the power line connection
instructions have been followed (see
the Instruction manual – Safety
precautions), and check the instructions
in the “Installation” paragraph.
EN