Comet KE Classic Betriebs- Und Wartungsanleitung Seite 40

Refer to the table below.
PROBLEMS
By setting the switch (1) in position
"1", the water cleaner does not start
and the pilot light (8)
(or the display (7) for KE Xtra)
is not turned on.
The water cleaner vibrates a lot
and is noisy.
The high-pressure cleaner will not
reach maximum pressure
Poor detergent suction.
No water comes out from
the nozzle (34)
The water cleaner stops during the
operation and the pilot light (8)
(or the display (7) for KE Xtra) is not
turned on.
The water cleaner stops during the
operation and the pilot light (8) (or the
display (7) for KE Xtra) is turned on.
By rotating the main switch (1),
the motor sounds but does not start.
The water cleaner does not deliver
hot water.
The display (7) visualises "FL00"
(only KE Xtra).
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A safety device of the system to which
the water cleaner is connected has
triggered (fuse, differential switch, etc.)
The plug of the power supply cable
is nor inserted correctly
The water filter is dirty.
The tap (1) of the detergent is open and
the detergent tank is empty
(for KE Super and KE Xtra).
The water supply is poor.
The adjusting valve is set for a pressure
value which is lower than the maximum one.
The nozzle holding head (33) is in low
pressure position (only KE Classic).
The water nozzle (34) is worn.
The adjusting knob (11) is not completely
opened.
The nozzle holding head (33) is
in low pressure position (only KE Classic).
The used detergent is too viscous.
No water
Nozzle clogged
A safety device of the system to which
the water cleaner is connected has
triggered (fuse, differential switch, etc.).
The thermal or amperometric protection
has triggered (pilot light (14) switched on
for KE Xtra).
The electrical system and/or the extension
are not suitable.
The gas oil level in the tank is lower than
the minimum (pilot light (9) ON).
The gas oil filter is clogged.
The flame absence device has triggered,
the pilot light (15) is ON
(the display visualises "FL00" for KE Xtra).
The boiler safety thermostat has triggered.
The temperature has reached the
maximum value allowed by the adjusting
system that stopped the burner.
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CAUSES
Reset the protection device. In case of
new triggering, do not use the water
cleaner and apply to a Skilled Engineer.
Disconnect the plug from the socket and
reconnect it correctly.
Follow what described in the paragraphs
"Ordinary maintenance" (for KE Classic)
and "Extraordinary Maintenance" (for KE
Super and KE Xtra).
Close the tap by rotating the knob in
clockwise direction.
Check that the tap is completely opened
and that the capacity of the water
network conforms to what reported on
the technical data table.
Rotate the knob in clockwise direction (10).
Rotate the nozzle holding head according
to what reported in Fig. 1 - position b).
Replace the nozzle.
Further rotate the knob in clockwise
direction (10).
Rotate the nozzle holding head according
Use a detergent recommended by the Producer
(see the table of detergents) by observing the
instructions reported on the plate.
Check that the cock is completely open.
Clean or replace the nozzle.
Reset the protection device. In case of
new triggering, do not use the water
cleaner and apply to a Skilled Engineer.
Observe what described in the paragraph
Observe what described in the paragraph
"Checking and connecting the electrical line".
Add gas oil.
Observe what described in the paragraph
"Extraordinary maintenance".
Press the button "OFF" (4) and then "ON"
(3). If the problem persists, do not use the
water cleaner and apply to a Skilled Engineer.
Let the water cleaner cool down for some
minutes, in order to allow the reset of the
device.
In case it triggers again, do not use the
water cleaner and apply to a Skilled Engineer.
None.
It is part of the normal operation of the
temperature adjusting system.
40
SOLUTIONS
to what reported in Fig. 1 - position a).
"Safety devices".