English
9
TROUBLESHOOTING
WARNING:
Risk of Unsafe Operation. Before servicing unit unplug or disconnect electrical supply, turn water
supply off, discharge residual pressure, and engage spray handle lock-off.
PROBlEM
CAUsE
CORRECTiOn
Motor does not start.
Unit not plugged in.
Plug in power cord.
ON/OFF switch is in the OFF position. Turn switch to the ON position.
Wand trigger not being squeezed.
Squeeze trigger with switch in ON position.
GFCI tripped.
Press reset button at GFCI on plug end of cord.
Unit does not reach high
pressure.
Water faucet not fully turned on.
Open water valve fully.
Water inlet filter clogged.
Remove filter and rinse to clean.
Nozzle worn.
Contact
D
e
WALT
customer service representative at 1-800-433-9258.
Pump is sucking air.
Check that hoses and fittings are air tight. Turn OFF machine and
purge pump by squeezing trigger gun until a steady flow of water
emerges from the nozzle.
Water supply restricted.
Check water hose for kinks, leaks and blockage.
Output pressure varies high/low. Not enough inlet water supply.
Turn water on full force - check hose for leaks and kinks.
Pump is sucking air.
Check that hoses and fittings are air tight. Turn OFF machine and
purge pump by squeezing trigger gun until a steady flow of water
emerges from the nozzle.
Water inlet screen clogged.
To unclog, rinse OFF with water.
Discharge nozzle is obstructed.
Blow out or remove debris.
No detergent.
Detergent container is empty.
Add more detergent.
Detergent bottle or suction tube not
properly connected.
Check connections.
Detergent is too thick.
Use detergent recommended for use in pressure washers only.
Filter on detergent suction tube is
clogged.
Run warm water through filter to remove debris.
Damaged or clogged detergent
suction tube.
Remove obstruction or replace detergent suction tube.
Discharge nozzle is obstructed.
Blow out or remove debris.
Garden hose connection leaks.
Loose fittings.
Tighten fittings.
Missing/worn rubber washer.
Replace washer in hose adapter.
Spray wand or extension leaks.
Spray wand not properly attached.
Insert the spray wand into the wand extension. Push in and turn to
lock spray wand into place.
Broken O-ring.
Contact
D
e
WALT
customer service representative at 1-800-433-9258.
Pump is excessively noisy.
Pump is sucking air.
Check that hoses and fittings are air tight. Turn OFF machine and
purge pump by squeezing trigger gun until a steady flow of water
emerges from the nozzle.
Water leaks from pump.
Loose fittings.
Check that all fittings are tight.
Water seals are damaged or worn.
Contact
D
e
WALT
customer service representative at 1-800-433-9258.
Oil leaks.
Oil seals are damaged or worn.
Contact
D
e
WALT
customer service representative at 1-800-433-9258.
Motor buzzes but fails to run.
Supply voltage below minimum.
Verify that only the pressure washer is running on this circuit.
System has residual pressure.
Turn unit OFF, squeeze trigger on spray wand to release pressure,
then turn unit ON.
Voltage loss due to extension cord.
Do not use extension cord with this unit - plug directly into outlet.
Cleaner not used for long periods.
Contact
D
e
WALT
customer service representative at 1-800-433-9258.
