User manual

16 | English
F 016 L81 121 | (18.2.15) Bosch Power Tools
Water Tanks with outlet connections
When connecting the pressure washer to a water tank with a
suitable tap outlet, first connect the supply hose (not provid-
ed) to the tank outlet, open the tap to allow the water to dis-
place all the air in the hose and then connect to the pressure
washer.
Troubleshooting
Problem Possible Cause Corrective Action
Motor refuses to start Plug not connected Connect plug
Mains socket faulty Use another socket
Fuse faulty/blown Replace fuse
Extension cable damaged Try without extension cable
Motor protector has activated Allow to cool for 15 minutes
Frozen Wait for pump/water supply hose/accessory
to thaw
Motor stops Fuse faulty/blown Replace fuse
Wrong mains voltage Check that mains voltage corresponds to
specifications on the model tag
Motor protector has activated Allow to cool for 15 minutes
Fuses blow Fuses incorrectly rated Change to a mains supply higher than the
pressure washer amp consumption
Motor starts but no pressure Nozzle partly blocked Clean nozzle
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 Bosch Service Centre
Problems with TSS (Total Stop System) de-
vice
Contact your Bosch Service Centre
Pressure pulsating Air in the inlet water supply hose/pump Allow pressure washer to run with open spray
handle and nozzle at low pressure until regu-
lar working pressure is obtained
Inadequate water supply Check that the water supply corresponds to
specifications. The minimum specification
for the water supply hose is 1/2" or 13 mm di-
ameter
Water filter blocked Clean water filter
Water supply hoses squeezed Straighten out kinked water supply hoses
High pressure hose too long Remove high pressure extension hose. Retry
(extension hose max. 7 m)
Pressure too low, but steady
Note: Several types of accessory
will normally deliver a lower pres-
sure
Nozzle worn Change the nozzle
Start/stop valve worn Activate trigger five times in quick succession
Motor starts up but with restricted
or no working pressure
No water supply Connect water supply
Water filter clogged up Clean the water filter
Nozzle clogged up Clean nozzle
The pressure washer starts irregu-
larly by itself
Pump/power gun leaky Contact your Bosch Service Centre
Water leaks from machine Leaking pump A slight water leak is permissible; in case of
excessive leak, contact Bosch Service Centre
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