Bosch AQT 45-14 X [18/273] Troubleshooting

Bosch AQT 45-14 X [18/273] Troubleshooting
18 | English
F 016 L81 056 | (11.4.14) Bosch Power Tools
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 specifica-
tions 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 Sys-
tem) device
Contact your Bosch Service Centre
Pressure pulsating Air in the inlet water supply
hose/pump
Allow pressure washer to run with open spray han-
dle and nozzle at low pressure until regular working
pressure is obtained
Inadequate water supply Check that the water supply corresponds to specifi-
cations. The minimum specification for the water
supply hose is 1/2" or 13 mm diameter
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 (ex-
tension 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 exces-
sive leak, contact Service centre.
OBJ_BUCH-2164-001.book Page 18 Friday, April 11, 2014 12:41 PM

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