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English | 19
ProblemPossible CauseCorrective Action
Fuses blowFuses incorrectly ratedChange to a mains supply higher than the pres-
sure washer amp consumption
Motor starts but no
pressure
Nozzle partly blockedClean nozzle
Motor “sounds” but
fails to start
Insufficient power supplyCheck that the voltage of the mains power supply
line is the same as that on the plate.
Voltage loss due to use of extension cableCheck characteristics of extension cable
Appliance not used for a long period of timeContact your Bosch Service Centre
Problems with TSS (Total Stop System) deviceContact your Bosch Service Centre
Pressure pulsatingAir in the inlet water supply hose/pumpAllow pressure washer to run with open spray
handle and nozzle at low pressure until regular
working pressure is obtained
Inadequate water supplyCheck that the water supply corresponds to spe-
cifications. The minimum specification for the wa-
ter supply hose is 1/2" or 13mm diameter
Water filter blockedClean water filter
Water supply hoses squeezedStraighten out kinked water supply hoses
High pressure hose too longRemove high pressure extension hose. Retry (ex-
tension hose max. 7m)
Pressure too low, but
steady
Note: Several types of
accessory will normally
deliver a lower pres-
sure
Nozzle wornChange the nozzle
Start/stop valve wornActivate trigger five times in quick succession
Motor starts up but
with restricted or no
working pressure
No water supplyConnect water supply
Water filter clogged upClean the water filter
Nozzle clogged upClean nozzle
The pressure washer
starts irregularly by it-
self
Pump/ power gun leakyContact your Bosch Service Centre
Water leaks from ma-
chine
Leaking pumpA slight water leak is permissible; in case of ex-
cessive leak, contact Bosch Service Centre.
Maintenance and Service
Maintenance
u Stop, remove plug from the power supply and discon-
nect from water supply.
Note: To ensure long and reliable service, carry out the fol-
lowing maintenance regularly.
Regularly check for obvious defects such as loose fixings,
and worn or damaged components.
Check that covers and guards are undamaged and correctly
fitted. Carry out necessary maintenance or repairs before
using.
In order to avoid safety hazards, if the power supply cord
needs to be replaced, this must be done by Bosch or by an
after-sales service centre that is authorised to repair Bosch
power tools.
After use/Storage
Turn the main switch off and operate the trigger to drain the
water from the high pressure hose.
Clean the exterior of the machine thoroughly using a soft
brush or cloth. Do not use water, solvents or polishes. Re-
move all debris, especially from the ventilation slots.
End of season storage: Drain water out of pump running mo-
tor for a few seconds. Pull trigger to release all water.
Do not place other objects on top of the machine.
Store in a frost-free area.
Ensure cables are not trapped when storing. Do not kink high
pressure hose.
After-sales Service and Application Service
www.bosch-do-it.com
Bosch Power ToolsF 016 L81 693 | (30.04.2019)
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