Fault
Cause
Remedy
The pressure washer
switches off while in
operation.
The plug of the connecting cord or
extension cord has been pulled out of
the socket.
► Plug in mains plug of connecting
cord or extension cord.
The circuit-breaker (fuse) or the resi‐
dual current circuit breaker has trip‐
ped. There is an electrical overload or
a fault in the circuit.
► Look for cause of tripping and
remedy it. Engage circuit-breaker
(fuse) or the residual current circuit
breaker.
► Switch off other loads connected to
the same circuit.
The fuse rating of the socket is too
low.
► Plug the connecting cable into a
socket with the correct fuse rating,
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-press‐
ure hose or spray attachment is lea‐
king or faulty.
► Ask a STIHL servicing dealer to
inspect the pressure washer.
The shape of the
water jet has chan‐
ged.
The nozzle is blocked.
► Clean the nozzle.
The nozzle is worn.
► Fit a new nozzle.
Detergent is no lon‐
ger sucked in.
The detergent container is empty.
► Fill the detergent bottle with cleaning
agent.
The filter in the detergent bottle is dirty. ► Rinse out the filter under running
water.
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. 17.2
The LED "BATTERY
INDICATION" flashes
red.
The batteries in the control panel are
empty.
► Install new batteries in the control
panel.
The activation key
flashes green.
The connection between the pressure
washer and the control panel no longer
exists.
► Switch off the high-pressure washer.
► Reduce the distance between the
spray gun and the pressure washer.
► Switch on the pressure washer and
the control panel.
17 Troubleshooting
English
0458-004-9621-B
43
