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ENGLISH
10
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. Check the breaker in your household electrical pannel.
If the breaker is tripped, reset breaker.
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. Replace with new nozzle.
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. Not using the soap nozzle. Detergent only comes out when using the soap nozzle. Detergent will not flow out when using a
high pressure nozzle.
Soap tank is empty. Add more detergent.
Soap tank not properly connected. Check connections. Ensure that the soap tank is fully secured into the pressure washer unit.
Detergent is too thick. Use detergent recommended for use in pressure washers only.
Damaged or clogged detergent suction ports. Remove obstruction or debris and run warm water over the detergent suction ports.
Discharge nozzle is obstructed. Blow out or remove debris. Run warm water through nozzle to 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. Please refer to Assembling Spray Wand under Assembly and Adjustments.
Broken O‑ring. Contact
DeWALT customer service representative at 1‑800‑4‑DeWALT (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
DeWALT customer service representative at 1‑800‑4‑DeWALT (1-800-433-9258).
Oil leaks. Oil seals are damaged or worn. Contact
DeWALT customer service representative at 1‑800‑4‑DeWALT (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. Plug directly into outlet.
Cleaner not used for long periods. Contact
DeWALT customer service representative at 1‑800‑4‑DeWALT (1-800-433-9258).
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