operating instructions
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
Motor starts even with gun trigger
is released
No water delivery when gun trig-
ger 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.
mpx1450_en.indd 15
troubleshooting
Possible causes
Nozzle worn
Water filter fouled
Water supply pressure low
Air being sucked into system
Air in pump
Water intake from external tank
Intake water too hot
Nozzle clogged
Filter clogged
Insufficient power supply
Voltage loss 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
Water too hot
Seals worn
Nozzle clogged
High pressure system or pump hydraulic circuit not
watertight
Nozzle clogged
Remedy
Replace nozzle
Clean filter
Turn on water supply tap fully
Check tightness of hose fittings
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.
Connect appliance to the mains water supply
Reduce temperature
Clean nozzle
Clean filter
Check that the voltage of the mains power supply line is
the same as that on the plate
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
Contact your nearest Authorized Service Centre
Have the seals replaced at your nearest Authorized
Service Centre
Reduce temperature (see technical data)
Contact your nearest Authorized Service Centre
Clean nozzle
Contact your nearest Authorized Service Centre
Clean nozzle
mpx 1450
15
22/02/10 09:29