11
Symptom Possible Cause Solution
Engine will not start. No gasoline.
Engine throttle is not in
correct position.
Choke in wrong position.
Excess pressure built up
in the unit.
IMPORTANT: Always follow the Shutdown Instructions (see page 8) before working on
the unit or the accessories. Always discharge residual pressure and turn the engine OFF.
Fill gas tank.
Refer to the Engine Owner’s Manual
for details.
Refer to the Engine Owner’s Manual
for details.
Press gun trigger to discharge
residual pressure (see page 8).
Engine running, but Water supply is restricted.
pump is not delivering
maximum pressure.
Diameter of garden hose
is too small.
Water inlet screen clogged.
Nozzle obstructed.
Spray nozzle is in
low-pressure mode.
Unit has been stored in
freezing temperatures.
Open water faucet to full force.
Check garden hose for kinks,
leaks and blockage.
Use a minimum 5/8" diameter
garden hose
Remove screen and clean (see page 10).
Clean nozzle (see page 9).
Adjust the spray nozzle to the
high-pressure position (see page 6).
Thaw out unit completely including
hose, gun and wand.
Output pressure varies Water supply is restricted.
between high and low.
Pump is sucking air.
Water inlet screen clogged.
Nozzle obstructed.
Open water faucet to full force.
Check garden hose for kinks,
leaks and blockage.
Check that hoses and fittings are airtight.
Turn off machine and purge pump by
squeezing gun trigger until a steady flow
of water emerges through the nozzle.
Remove screen and clean (see Page 10).
Clean nozzle (see Page 9).
Troubleshooting
Garden hose Loose fittings.
connection leaks.
Missing or worn rubber washer.
Tighten or replace fittings.
Insert new washer.
Gun/lance assembly Spray lance not
or spray lance leaks. attached properly.
Broken O-ring.
Ensure the spray lance is connected
properly. Hand tighten the connection.
Call Customer Service hotline
to order a replacement O-ring.
continued ...
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