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18 Troubleshooting
The fuse rating of the socket is too low. ► Plug the connecting cord into a socket with
the correct fuse rating, @ 19.1.
The electric motor is too warm. ► Allow the pressure washer to cool for
5 minutes.
► Clean the nozzle.
The high-pressure pump
switches on and off
repeatedly, without the
trigger of the spray gun
being pressed.
The high-pressure pump, the high-pressure
hose or the spray attachment are leaking.
► Ask a STIHL servicing dealer to check the
pressure washer.
The working pressure
fluctuates or drops.
There is a water shortage. ► Open water tap completely.
► Ensure that a sufficient quantity of water is
available.
The nozzle is blocked. ► Clean the nozzle.
The water intake screen or water filter are
blocked.
► Clean water intake screen and water filter.
The high-pressure pump, the high-pressure
hose or the spray attachment are leaking or are
defective.
► Ask a STIHL servicing dealer to check the
pressure washer.
The water jet has changed
shape.
The nozzle is blocked. ► Clean the nozzle.
The nozzle is worn. ► Replace nozzle.
Additional detergent is not
drawn in.
The detergent container is empty. ► Fill the detergent container with detergent.
Fan jet nozzle is not turned in direction - up to
the stop.
► Turn fan jet nozzle in direction - up to the
stop.
Venturi nozzle is worn Have the tool repaired by a STIHL servicing
dealer.
Connections on pressure
washer, high-pressure
hose, spray gun or spray
lance are difficult to
connect to each other.
The connection seals are not lubricated. ► Lubricate the gaskets @ 18.2
Fault Cause Remedy
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