Comet KP classic, Instruction Manual

Page: 26 / 172

26
PROBLEM CAUSE SOLUTION
No water comes out of the
nozzle or flow 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 complies
with the data given in the paragraph
“TECHNICAL CHARACTERISTICS AND
SPECIFICATIONS”.
Clogged water nozzle. Clean and/or replace the nozzle as
instructed in “ROUTINE MAINTENANCE”.
Backflow hydraulic device
fault.
Refer to the relative manual.
Water leaking from under the
high pressure cleaner.
Safety valve triggered. IF THIS HAPPENS PERSISTENTLY DO NOT
USE THE HIGH PRESSURE CLEANER BUT
CONTACT A QUALIFIED TECHNICIAN.
The high pressure water
cleaner stops dur ing
operation
A safety device has been
tripped in the system where
the cleaner is connected (a
fuse, differential switch, etc.).
Reset the safety device. SHOULD IT TRIP
AGAIN, DO NOT USE THE CLEANER AND
CONTACT A QUALIFIED TECHNICIAN.
The thermal or amperometric
protector has tripped.
Follow the instructions given in the
“SAFETY DEVICES” paragraph.
Th e c l e a n e r re s u m e s
operation spontaneously
when it is in Total Stop
mode.
Leaks and/or drips in the
delivery circuit.
Inspect the delivery circuit for leaks.
When the master switch (1) is
turned on, the engine hums
but does not start up.
Unsuitable electrical system
and/or extension lead
Check the instructions for connecting
up to the mains power supply have
been followed correctly (refer to the
INSTRUCTIONS MANUAL – SAFETY
INSTRUCTIONS), especially as regards the
use of an extension lead.
The cleaner does not deliver
hot water
There is not enough fuel in the
tank (warning light 38 is lit).
Top up with fuel.
The fuel filter is dirty. F o l l o w t h e i n s t r u c t i o n s i n
“SUPPLEMENTARY MAINTENANCE”.
The boiler’s safety thermostat
has tripped.
Leave the cleaner to cool down for a few
minutes so the safety device can reset.
SHOULD IT TRIP AGAIN, DO NOT USE THE
CLEANER AND CONTACT A QUALIFIED
TECHNICIAN.
Warning light (36) flashing
(three-phase models only).
Phase reversal in the plug or
socket of the high pressure
cleaner.
Follow the instructions given in the
“PRELIMINARY OPERATIONS” paragraph.