Stihl RE 90 Gebrauchsanleitung Seite 66

English
Fault
The high-pressure pump
repeatedly switches on
and off without squeezing
the spray gun trigger.
The working pressure
fluctuates or drops.
The shape of the water jet
has changed.
Detergent additive is not
being drawn in.
Connections with pressure
washer, high-pressure
hose, spray gun or spray
lance are stiff.
64
Cause
The fuse rating of the socket is too low.
The electric motor is too warm.
There is a leak in the high-pressure pump, high-
pressure hose or spray attachment.
There is not enough water.
The nozzle is blocked.
The water intake screen or water filter is
blocked.
The high-pressure pump, high-pressure hose
or spray attachment is leaking or faulty.
The nozzle is blocked.
The nozzle is worn.
The container is empty.
The nozzle of the spraying set is blocked.
The gaskets of the connections have not been
greased.
Remedy
► Plug the connecting cable into a socket with
the correct fuse rating, @ 19.1.
► Allow the pressure washer to cool for
5 minutes.
► Clean the nozzle.
► Ask a STIHL servicing dealer to inspect the
pressure washer.
► Open water tap fully.
► Make sure that a sufficient quantity of water
is available.
► Clean the nozzle.
► Clean water intake screen and water filter.
► Ask a STIHL servicing dealer to inspect the
pressure washer.
► Clean the nozzle.
► Fit a new nozzle.
► Fill container with detergent.
► Clean nozzle of spraying set.
► Lubricate the gaskets. @ 18.2
18 Troubleshooting
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