1700
15
Problem Possible causes Remedy
Pump does not reach working
pressure
Nozzle worn Replace nozzle
Water filter fouled Clean filter
Water supply pressure low Turn on water supply tap fully
Air being sucked into system Check tightness of hose fittings
Air in pump
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 again.
Pressure drops during use
Water intake from external tank Connect appliance to the mains water supply
Intake water too hot Reduce temperature
Nozzle clogged Clean nozzle
Filter clogged Clean filter
Motor “sounds” but fails to start
Insufficient power supply
Check that the voltage of the mains power supply line is
the same as that on the plate
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
Motor fails to start
No electrical power
Check that the plug is firmly in the socket and that the
mains voltage supply is present (*)
Problems with TSS device Contact your nearest Authorized Service Centre
Appliance not used for a long period of time Contact your nearest Authorized Service Centre
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
Motor starts even with gun trigger
is released
Nozzle clogged Clean nozzle
High pressure system or pump hydraulic circuit not
watertight
Contact your nearest Authorized Service Centre
No water delivery when gun trig-
ger is depressed (with supply hose
connected)
Nozzle clogged Clean nozzle
* 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.
mpx1700_en.indd 15 22/02/10 09:06
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