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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
Insucient power supply
Voltage loss due to use of extension cable
Appliance not used for a long period
of time
Problems with Auto Stop device
No electrical power
Problems with Auto Stop 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
Solution
Replace nozzle
Clean filter (Fig. H)
Turn on water supply tap fully
Check the adjustment of the hose coupling
Switch o the appliance and keep
depressing and releasing the gun trigger
until the water comes out in a steady flow.
Switch the appliance back on again.
Turn the adjustable nozzle (Fig. D)
Connect appliance to the mains water
supply
Reduce temperature
Clean nozzle (Fig. F)
Check that the voltage of the mains power
supply line is the same as that on the plate
(Fig. B)
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 (16) unjam the motor from
the hole at the rear of the appliance (In
models with this feature) (Fig. H)
Have the seals replaced at your nearest
Authorized Service Centre
Reduce temperature (See technical data)
Contact your nearest Authorized Service
Centre
Clean nozzle (Fig. F)
Contact your nearest Authorized Service
Centre
Clean nozzle (Fig. F)
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