Troubleshooting - Makita HW 131 Manual De Instrucciones

12
English


TROUBLESHOOTING

EN
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
TSS versions only: motor starts
even with gun trigger is released
TSS versions only: no water deliv-
ery when gun trigger 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.
Possible causes
Nozzle worn
Water filter fouled
Water supply pressure low
Air being sucked into system
Air in pump
Adjustable nozzle not positioned correctly
Water intake from external tank
Intake water too hot
Nozzle 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 (fig.5)
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.
Turn the adjustable nozzle (E) (+) (fig.3)
Connect appliance to the mains water supply
Reduce temperature
Clean nozzle (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 (L) 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
Reduce temperature (see technical data
Contact your nearest Authorized Service Centre
Clean nozzle (fig.5)
Contact your nearest Authorized Service Centre
Clean nozzle (fig.5)