5
Troubleshooting Chart
Pressure washer does
not start up
Pump does not reach
necessary pressure
Fluctuating pressure
Excessive water leak-
ing from pump
Motor stops suddenly
1.
Plug is not well connected or electric
socket is faulty
2.
The main voltage supply is too low
3.
Thermal safety switch has tripped
4.
GFCI has tripped
1.
Water inlet filter is clogged
2.
Pump sucking air from connection or
hoses
3.
Suction delivery valves are clogged
or worn out
4.
Lance nozzle not correct or worn out
1.
Pump sucking in air
2.
Valves dirty, worn out or stuck
3.
Water seals worn out
Water seals worn out
Thermal safety switch has tripped due to
overheating
1.
Check plug, socket and fuses
2.
Check that the main supply voltage is
adequate
3.
Switch off the unit and allow the
motor to cool down. Leave the lance
open.
4.
Push reset button
1.
Clean water inlet filter
2.
Check that connections and locking
ring are properly tightened
3.
Call 1-800-330-0712
4.
Call 1-800-330-0712
1.
Check that hoses and connections are
tight
2.
Call 1-800-330-0712
3.
Call 1-800-330-0712
Call 1-800-330-0712
1.
Check that the main supply voltage
corresponds to the specifications
2.
Switch the unit off and let it cool
down
Symptom
Possible Cause(s)
Corrective Action(s)
PW167600AV
