0458-001-9621-A
67
English
18 Troubleshooting
The fuse rating of the socket is too low. ► Plug the connecting cable into a socket with
the correct fuse rating, @ 19.2.
The electric motor is too warm. ► Allow the pressure washer to cool for
5 minutes.
► Clean the nozzle.
The high-pressure pump
repeatedly switches on
and off without squeezing
the spray gun trigger.
There is a leak in the high-pressure pump, high-
pressure hose or spray attachment.
► Ask a STIHL servicing dealer to inspect the
pressure washer.
The working pressure
fluctuates or drops.
There is not enough water. ► Open water tap fully.
► Make sure that a sufficient quantity of water
is available.
The nozzle is blocked. ► Clean the nozzle.
The water intake screen or water filter is
blocked.
► Clean water intake screen and water filter.
The high-pressure pump, high-pressure hose
or spray attachment is leaking or faulty.
► Ask a STIHL servicing dealer to inspect the
pressure washer.
The shape of the water jet
has changed.
The nozzle is blocked. ► Clean the nozzle.
The nozzle is worn. ► Fit a new nozzle.
Detergent additive is not
being drawn in.
The container is empty. ► Fill container with detergent.
The nozzle of the spraying set is blocked. ► Clean nozzle of spraying set.
Connections with pressure
washer, high-pressure
hose, spray gun or spray
lance are stiff.
The gaskets of the connections have not been
greased.
► Lubricate the gaskets. @ 18.2
Fault Cause Remedy
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