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10
TROUBLESHOOTING
Disconnect the machine from the power source before making any repair.
Symptom Cause Solution
Motor will not start
Unit does not reach
high pressure.
Output pressure
varies high and
low.
Extension cord is too long.
Extension cord is not
proper gauge. Extension
cord is damaged.
Replace extension cord with either
a 25 ft. 12/2 gauge cord or a 50 ft.
10/2 gauge cord.
Electrical outlet does not
supply adequate power.
Try a different outlet.
Ground Fault Circuit
Interrupter (GFCI) tripped.
Reset breaker (power supply)
or GFCI.
Diameter of garden hose
is too small.
Replace with a 3/4 inch
garden hose.
Water supply is restricted.
Check garden hose for kinks,
leaks and blockage.
Not enough inlet water supply. Open water source full force.
Water inlet filter is
clogged.
Remove filter and rinse out
in warm water.
Not enough inlet water
supply.
Turn water on full force. Check garden
hose for kinks, leaks or blockage.
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 through the nozzle.
Water inlet filter is
clogged.
Remove filter and rinse out
in warm water.
Discharge nozzle
is obstructed.
Blow out or remove debris
with a fine needle.
Calcified gun, hose
or spray wand.
Run distilled vinegar through
detergent suction tube.
On/Off switch is in the
“OFF” (O) position.
Turn switch to the “ON” (I) position
Power cord is not plugged in.
Plug in power cord.
Spray wand is in low
pressure position.
Turn spray wand to high
pressure position.