12
TROUBLESHOOTING
IMPORTANT: Always follow the Shutdown Instructions (see page 9) before working on the unit or the accessories.
Always discharge residual pressure and turn the motor OFF.
SYMPTOM
POSSIBLE CAUSE
SOLUTION
Motor will not
start
On/Off switch is in the “OFF”
position
Turn switch to the “ON” (I) position.
Power cord is not plugged in.
Plug in the power cord.
Extension cord is too long.
Extension cord is damaged.
Extension cord is not proper
gauge.
Replace extension cord with either
a 25 ft. 14-gauge cord or
a 50 ft. 12-guage cord.
See Extension Cord section on page 4.
Electrical outlet does not
supply adequate power.
Check that the circuit is rated for 15 amps.
Overload Cutout tripped.
Wait 2-3 minutes before restarting.
Trigger not operating
Call Customer Service hotline.
Circuit breaker
trips or fuse
blown in fuse
box.
Circuit overload.
Check that the circuit is rated for 15 amps.
Disconnect all other loads on the circuit.
Motor is
running, but
pump is not
delivering
maximum
pressure.
Water supply is restricted.
Open water faucet fully. Check the garden hose for kinks,
leaks and blockages.
Worn or broken motor key.
See dealer.
Diameter of garden hose is
too small.
Use a minimum 5/8” diameter garden hose.
Water inlet screen clogged.
Remove screen and clean (see page 10).
Nozzle obstructed.
Clean nozzle (see page 10).
Incorrect cleaning nozzle is
installed.
Install the correct nozzle for the cleaning application. (see
page 7).
Unit has been stored in
freezing temperatures.
Thaw out unit completely, including hose, gun and wand.
Output
pressure
varies
between high
and low.
Water supply is restricted.
Open water faucet fully. Check garden hose for kinks,
leaks and blockages.
Pump is sucking air.
Check that hoses and fittings are airtight. Turn off machine
and purge the pump by squeezing the gun trigger until a
steady flow of water emerges through the nozzle.
Water inlet screen clogged.
Remove screen and clean (see page 10).
Nozzle obstructed.
Clean nozzle (see page 10).
Calcified gun, hose or spray
lance.
Run distilled vinegar through machine.
Leaks downstream of
unloader
Check for leaks downstream of the unloader valve. If no
leaks, unloader may have to be serviced.
