Instruction Manual

0458-814-8621-A
34
English 18 Troubleshooting Guide
18.1 Pressure Washer
18 Troubleshooting Guide
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
The pressure washer does
not start although the spray
gun trigger is pulled.
The power supply cord is not connected
to an electrical outlet.
► Connect the power supply cord to a properly
installed electrical outlet.
The GFCI has interrupted the electrical
circuit.
► Reset the GFCI, @ 10.2.
► Switch off other loads connected to the same
circuit.
► If the pressure washer still does not start,
disconnect the pressure washer from the power
supply and have it inspected by an authorized
STIHL servicing dealer before further use.
The electric motor is too warm. ► Allow the pressure washer to cool at ambient
temperatures for approximately 5 minutes.
► Clean the nozzle, @ 16.2.
The pressure washer does
not start when switched on.
The electric motor hums.
The mains voltage is too low. ► Pull and hold the spray gun trigger and switch on
the pressure washer.
► Switch off other loads connected to the same
electrical circuit.
The pressure washer
switches off while in
operation.
The power supply cord is not connected
to an electrical outlet.
► Connect the power supply cord to a properly
installed electrical outlet.
The GFCI has interrupted the electrical
circuit.
► Reset the GFCI, @ 10.2.
► Switch off other loads connected to the same
circuit.
► If the pressure washer still does not start,
disconnect the pressure washer from the power
supply and have it inspected by an authorized
STIHL servicing dealer before further use.
The electric motor is too warm. ► Allow the pressure washer to cool at ambient
temperatures for approximately 5 minutes.
► Clean the nozzle, @ 16.2.