12English

7TROUBLESHOOTING

EN

ProblemPossible causesRemedy

 

 

 

 

 

 

Nozzle worn

Replace nozzle

 

 

Water filter fouled

Clean filter (fig.5)

 

 

Water supply pressure low

Turn on water supply tap fully

 

Pump does not reach working

Air being sucked into system

Check tightness of hose fittings

 

pressure

 

Switch off the appliance and keep depressing and releas-

 

 

Air in pump

ing the gun trigger until the water comes out in a steady

 

 

 

flow. Switch the appliance back on again.

 

 

Adjustable nozzle not positioned correctly

Turn the adjustable nozzle (E) (+) (fig.3)

 

 

Water intake from external tank

Connect appliance to the mains water supply

 

Pressure drops during use

Intake water too hot

Reduce temperature

 

 

Nozzle clogged

Clean nozzle (fig.5)

 

 

Insufficient power supply

Check that the voltage of the mains power supply line is

 

 

the same as that on the plate (fig.2)

 

 

 

 

Motor “sounds” but fails to start

Voltage loss due to use of extension cable

Check characteristics of extension cable

 

 

Appliance not used for a long period of time

Contact your nearest Authorized Service Centre

 

 

Problems with TSS device

Contact your nearest Authorized Service Centre

 

 

No electrical power

Check that the plug is firmly in the socket and that the

 

 

mains voltage supply is present (*)

 

 

 

 

Motor fails to start

Problems with TSS device

Contact your nearest Authorized Service Centre

 

 

 

 

 

 

Appliance not used for a long period of time

Using the tool (L) unjam the motor from the hole at the

 

 

rear of the appliance (in models with this feature) (fig.5)

 

 

 

 

Water leakage

Seals worn

Have the seals replaced at your nearest Authorized

 

Service Centre

 

 

 

 

Appliance noisy

Water too hot

Reduce temperature (see technical data

 

Oil leakage

Seals worn

Contact your nearest Authorized Service Centre

 

TSS versions only: motor starts

Nozzle clogged

Clean nozzle (fig.5)

 

 

 

 

even with gun trigger is released

High pressure system or pump hydraulic circuit not

Contact your nearest Authorized Service Centre

 

 

watertight

 

 

 

 

TSS versions only: no water deliv-

 

 

 

ery when gun trigger is depressed

Nozzle clogged

Clean nozzle (fig.5)

 

(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.