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18 Troubleshooting Guide
The water pressure
fluctuates or drops.
There is not enough water. ► Open the water tap fully.
► Make sure that a sufficient quantity of water is
available.
The nozzle is blocked. ► Clean the nozzle, @ 16.3.
The water intake screen is blocked. ► Clean water intake screen, @ 16.4.
The high-pressure pump, high-pressure
hose or spray attachment is leaking.
► 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, @ 16.3.
The nozzle is worn. ► Insert a new nozzle.
Detergent is not being drawn
in.
The detergent container is empty. ► Fill the container with detergent.
The nozzle of the detergent spray set is
blocked.
► Clean nozzle of the detergent spray set.
The connections of the
pressure washer, high-
pressure hose, spray gun or
spray lance are stiff.
The gaskets of the connections have not
been greased.
► Grease the gaskets. @ 17.3
The Battery Indicator LED
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 pressure washer.
► Reduce the distance between the spray gun and
the pressure washer.
► Switch on the pressure washer and the control
panel.
Before troubleshooting, switch off the pressure washer and disconnect the unit from the power supply. Relieve all system
pressure by pulling the trigger switch. Lock the spray gun trigger.
Condition Possible Cause Remedy
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