PROBLEM
Pump does not reach working pressure
Pump pressure drops during
suddenly use
Motor "buzzes" but fails to start
Motor fails to start
Water leakage
Appliance noisy
Oil leakage
TSS versions only: Motor starts even
with gun trigger is released
TSS versions only: No water delivery
when gun trigger is depressed
(With supply hose connected)
No detergent sucked in
Water escapes from thermo- stat valve
* 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.
TROUBLE SHOOTING
POSSIBLE CAUSES
Nozzle worn
Water lter fouled
Insufficient water supply
Air being sucked into system
Air in pump
Adjustable nozzle not positioned correctly
Thermostatic valve tripped
Water being sucked from an open container
from a height of more than 0.5 m.
Water being sucked from an external tank
Inlet water too hot
Nozzle clogged
Inlet filter (8) fouled
Power supply voltage too low
Voltage drop due to use of extension cable
Appliance not used for a long period of time
Problems with TSS device
No electrical power
Problems with TSS device
Appliance not used for a long period of time
Seals worn
Safety valve tripped and discharging
Water too hot
Seals worn
High pressure system or pump hydraulic
circuit not watertight
Nozzle clogged
Adjustable nozzle on high pressure setting
Detergent too dense
High pressure hose extension being used
Deposits or restriction in detergent circuit
Water temperature inside pump head has
exceeded max. rated value stated on nameplate
(Original instructions)
SOLUTION
Replace nozzle
Clean filter (8) (Fig. E)
Turn on water supply tap fully
Check tightness of hose fittings
Switch off 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.
Set nozzle (6) on (+) setting (Fig. C)
Wait for correct water temperature to be restored
Reduce the suction height.
Connect appliance to the mains water supply
Reduce temperature
Clean nozzle (Fig. E)
Clean filter (8) (Fig. E)
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 Authorised Service Centre
Contact your nearest Authorised Service Centre
Check that the plug is firmly in the socket
and that the mains voltage supply is present (*)
Contact your nearest Authorized Service Centre
Using the tool unjam the motor through the
hole at the rear of the appliance (in models
with this feature) (Fig. E)
Have the seals replaced at your nearest
Authorized Service Centre
Contact an Authorized service Centre
Reduce temperature (See technical data)
Contact your nearest Authorized Service Centre
Contact your nearest Authorized Service Centre
Clean nozzle (Fig. E)
set nozzle (6) on "
" setting (Fig.C)
Dilute with water
Fit original hose
Flush with clean water and eliminate
any restrictions. If the problem persists,
contact an Authorized service Centre
With appliance in operation, do not stop the
water jet for more than 5 minutes at a time
ENGLISH
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