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Problems
Boiler shuts off
Water in pump oil
EN
Noise/vibrations
Water seeping from drains
between casing and pump head
Oil seeping from drains between
casing and pump head
Excessive vibration on delivery side
The machine shuts off and will
not restart
Water temperature too low
No detergent sucked in
(*) If the motor stops and does not restart during operation, wait 2-3 minutes before repeating the start-up procedure (Overload cutout/ Magneto-
thermic switch has been tripped).
If the problem recurs more than once, contact the Authorised Service Centre.
Probable causes
The filter on the diesel intake pipe is fouled
Water in diesel tank
Pressure switch not working
Ignition transformer has failed
Ignition electrodes not correctly positioned
Diesel nozzle fouled
Diesel nozzle worn
Diesel pump damaged
Diesel solenoid valve not working
Casing end O-rings worn
High air humidity level
Worn gaskets
Air being sucked into system
Water filter fouled
Water supply insufficient
Worn intake and/or delivery valve springs
Dirt in intake and/or delivery valves
Worn bearings
Pumped liquid too hot
Worn gaskets
Worn pistons
Piston cap O-rings worn
Casing end O-rings worn
Valves worn or dirty
No power being received
Motor thermal protector tripped
Magneto-thermic switch tripped
Thermostat not set on the temperature required
Thermostat has failed
Calcium deposits in water circuit
Boiler partially fouled with soot
Water nozzle worn
Adjustable spray nozzle on high pressure setting
Detergent too dense
High pressure hose extension being used
Deposits or restriction in detergent circuit
Remedies
Clean the diesel filter
Drain the tank and replace the diesel
Replace the pressure switch
Contact an Authorised Service Centre
Replace the ignition transformer
Contact an Authorised Service Centre
Contact an Authorised Service Centre
Clean the diesel nozzle
Contact an Authorised Service Centre
Replace the diesel nozzle
Contact an Authorised Service Centre
Replace the diesel pump
Contact an Authorised Service Centre
Replace the diesel solenoid valve
Contact an Authorised Service Centre
Replace O-rings
Contact an Authorised Service Centre
Change the oil twice as often as recommended
Replace the gaskets
Contact an Authorised Service Centre
Check the tightness of the intake pipelines
Clean the water filter
Make sure that water is available to the machine at a
flow rate higher than that of the pump
Replace the valves
Contact an Authorised Service Centre
Check and clean the valves
Contact an Authorised Service Centre
Replace the bearings
Contact an Authorised Service Centre
Reduce pumped liquid temperature
Replace the gaskets
Contact an Authorised Service Centre
Replace the pistons
Contact an Authorised Service Centre
Replace the piston cap O-ring
Contact an Authorised Service Centre
Replace O-rings
Contact an Authorised Service Centre
Replace the valves.
Contact an Authorised Service Centre
Check that the plug is firmly connected to the socket
and the line is receiving power
Wait for the thermal protector to reset
Reset the magneto-thermic switch
Set the thermostat on the temperature required
Replace the thermostat
Contact an Authorised Service Centre
Clean the water circuit
Contact an Authorised Service Centre
Clean the boiler
Contact an Authorised Service Centre
Replace water nozzle
Set nozzle (E) to "
" (fig.3)
Dilute with water
Fit original hose
Flush with clean water and eliminate any restrictions. If the
problem persists, contact an Authorised Service Centre.
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