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English
9
TROUBLESHOOTING
Problem
Pump does not reach working
pressure
Pressure drops during use
Motor "sounds" but fails to start
Motor fails to start
Water leakage
Appliance noisy
Oil leakage
AS versions only: motor starts
even with gun trigger is released
AS versions only: no water delivery
when gun trigger is depressed
(with supply hose connected)
If the motor starts and does not restart during operation, wait 2-3 minutes before repeating the start-up procedure (overload cutout has been tripped).
If the problem recurs more than once, contact your nearest Authorized Service Centre.
Possible causes
Nozzle worn
Water lter fouled
Water supply pressure low
Air being sucked into system
Air in pump
Adjustable nozzle not positioned correctly
Water intake from external tank
Intake water too hot
Nozzle clogged
Insu cient power supply
Voltage loss due to use of extension cable
Appliance not used for a long period of time
Problems with AS device
No electrical power
Problems with AS device
Appliance not used for a long period of time
Seals worn
Water too hot
Seals worn
Nozzle clogged
High pressure system or pump hydraulic circuit not
watertight
Nozzle clogged
Remedy
Replace nozzle
Clean lter ( g.5)
Turn on water supply tap fully
Check tightness of hose ttings
Switch o the appliance and keep depressing and releas-
ing the gun trigger until the water comes out in a steady
ow. Switch the appliance back on again.
Turn the adjustable nozzle (E) (+) ( g.3)
Connect appliance to the mains water supply
Reduce temperature
Clean nozzle ( g.5)
Check that the voltage of the mains power supply line is
the same as that on the plate ( g.2)
Check characteristics of extension cable
Contact your nearest Authorized Service Centre
Contact your nearest Authorized Service Centre
Check that the plug is rmly in the socket and that the
mains voltage supply is present (*)
Contact your nearest Authorized Service Centre
Using the tool (L) unjam the motor from the hole at the
rear of the appliance (in models with this feature) ( g.5)
Have the seals replaced at your nearest Authorized
Service Centre
Reduce temperature (see technical data
Contact your nearest Authorized Service Centre
Clean nozzle ( g.5)
Contact your nearest Authorized Service Centre
Clean nozzle ( g.5)