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WARNING: Risk of unsafe operation. Remove the battery before servicing and discharge any residual fluid.
PROBlEM
Motor does not start.
Battery pack not installed properly.
Battery pack not charged.
On/off switch is in the OFF position.
Pump does not reach high pressure. Impeller cover is not sealed/tight.
Water inlet line is clogged.
Impeller is worn out.
Pump is sucking air.
Water supply restricted.
Pump turns off.
Not enough inlet water supply.
Pump is sucking air.
Water inlet clogged.
Impeller is locked in place.
Battery pack not charged.
Hose connection leaks.
Loose fittings.
Missing/worn rubber washer.
Pump does not self prime.
Loose fittings.
Line intake is not fully submerged.
Pump is excessively noisy.
Pump is sucking air.
Water leaks from pump.
Loose fittings.
Water seals are damaged or worn.
Motor buzzes but fails to run.
Impeller is locked in place.
Pump was not used for long periods.
TROUBLESHOOTING
CAUsE
Check battery pack installation.
Check battery pack charging requirements.
Press the on/off switch to the ON position.
Ensure impeller glass is seated correctly.
Ensure impeller gasket is seated correctly.
Hand-tighten the four impeller cover screws.
Check inlet line for blockages or excessive bends. Clear blockages and undo any kinks.
Replace with new impeller. See Impeller section.
Check that hoses and fittings are air tight. Check inlet and outlet lines for kinks, blockages or excessive bends. Clear
blockages and undo any kinks.
Check water hose for kinks, leaks and blockage.
Adjust the intake line stays fully covered with liquid. Check hose for leaks and kinks.
Check that hoses and fittings are air tight. Turn the pump OFF and then back on.
To unclog, rinse off with clean water.
Blow out or remove debris.
Check battery pack charging requirements.
Tighten fittings.
Replace washer in hose adapter.
Tighten fittings.
Adjust the line intake so that it stays fully covered with liquid.
Allow more time for pump to prime.
Check that hoses and fittings are air tight.
Check that all fittings are tight.
Contact D
Inspect/replace with a new impeller. See Impeller section.
Inspect/replace impeller or contact D
CORRECTiOn
WALT customer service representative at 1-800-4-D
e
WALT customer service representative at 1-800-4-D
e
WALT (1‑800‑433‑9258).
e
WALT (1‑800‑433‑9258).
e
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