LAVOR Pro HHPV Bedienungsanleitung Seite 28

Cause • No fuel.
• Fuel fi lter is clogged.
• Fuel
blocked or burnt out.
• Damaged thermostat.
• Ignition spark insuffi cient
or totally lacking.
• The space among the
electrodes is not correct.
• Burn out fuse.
Repair • Check the level in the tank
and check whether the
rigid suction pipe is clean.
• Replace the line fi lter.
• Replace it.
• Replace it.
• Contact an authorised
service centre.
• Check the positioning.
• Replace it.
Fault Water is not hot enough
Cause • Poor boiler performance.
• Boiler coil clogged with
limestone.
Repair • Clean burner nozzle fi lter.
• Clean fuel fi lter.
• Check diesel pump pressure
• Descaling.
Fault Too much smoke from the
chimney
Cause • Combustion is not correct.
• Impurities or water in the
fuel.
Repair • Clean fuel fi lter.
• Clean the boiler.
• Empty the tank and clean
it carefully.
• Clean fuel fi lter as well.
Fault Insuffi cient detergent suc-
tion
28
pump is either
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For any problems not mentioned in this manu-
al, or if the machine breaks down, you are urged
to contact an Authorized After-Sales Service
for the relative repair or for any replacement of
components with original spare parts. Use ex-
clusively original replacement parts.
>
The boiler cleaning must be periodically ex-
ecuted every 180 ÷ 200 hours of working pro-
ceeding as follows:
Carefully remove the nozzle holder fl ange and
the electrodes holder (boiler head, ref. 8).
Clean with compressed air the nozzle fi lter and
check the electrodes position. (ref. 9).
Remove the boiler cap unscrewing the 3 nuts,
clean the defl ector (ref. 10).
Manually take away the interior cap (ref. 11).
Unscrewing the locking nuts (ref. 12) and take
the boiler coil out.
Clean the coil by an iron brush (ref. 13).
Suck the residuums from the boiler (ref. 14).
Replace every parts doing the operations in the
inverse way.
Please note. The general checking and com-
bustion regulation must be periodically
Cause • No detergent in the tank.
• Incrusted injector.
• Either coil or tube or lance
are clogged.
Repair • Fill the detergent tank.
• Clean it.
• Either cleaning or descaling.
REPAIRS - SPARE PARTS
BOILER CLEANING
ATTENTION: For all maintenance of the
boiler, of the high pressure pump and of
the machine, it is necessary to address
to qualifi ed personnel or to an author-
ized assistance center.
EN