15
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 leaka e
TSS versions only: motor starts
even with gun trigger is re eased
TSS versions only: no water deliv-
ery when gun trigger is depressed
(with supp hose connected)
NO detergent taken in
Possible causes
English
Remedy
Replace nozzle
Clean filter (fig.5)
Turn on water supply tap fully
Check tightness of hose fitt•ngs
Nozzle worn
Water fi ter fouled
Water supply pressure low
Air being sucked into system
Air in pump
Adjustable nozzle not positioned correctl
Thermostatic valve tripped
Water intake from external tank
Intake water too hot
Nozzle clogged
Intake filter (L) dirty
Insufficient power supply
vo tage oss 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 oftime
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
Hi h pressure hose extension bein used
Deposits or restriction in detergent circuit
Switch off the appliance and keep depressing and releas-
ing the gun trigger until the water comes out in a steady
flow. Switch the appliance back on a ain.
Turn the adjustable nozzle (E) (+) (fig.3)
Wait for correct water temperature to be restored
Connect appliance to the mains water supp y
Reduce temperature
Clean nozzle (fig.5)
Clean filter (L) (fig.5)
Check that the voltage of the mains power supply line is
the same as that on the plate (fig.2)
Check characteristics Of extension cable
Contact your nearest Authorized Service Centre
Contact your nearest Authorized 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 (M) unjam the motor from the hole at the
rear of the appliance (in models with this feature) (fig.5)
Have the seals replaced at your nearest Authorized
Service Centre
Contact an Authorized Service Centre
Reduce temperature (see technical data
Contact our nearest Authorized Service Centre
Contact your nearest Authorized Service Centre
Clean nozzle (fig.5)
" setting (fig.5)
Set nozzle on "
Dilute with water
Fit ori inal hose
Flush with clean water and erminate any restrictions. If the
prob em persists, contact an Authorized Service Centre
(f) 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.