19
TROUBLE SHOOTING
Disconnect the machine from the power source before making any repairs.
Symptom
Cause
Solution
Motor does not run when
“ON” ( I ), fully connected
and trigger depressed.
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.
Electrical outlet does not
supply adequate power.
Try a different outlet.
Tripped pressure washer
thermal protector.
Allow to cool, and restart
unit.
Unit does not reach high
pressure.
Diameter of garden hose
is too small.
Replace with a 1” (25 mm)
or 5/8” (16 mm) garden
hose.
Water supply is restricted.
Check garden hose for
kinks, leaks and blockage.
Not enough water supply.
Open water source fully.
warm water.
Power nozzle is in
lowpressure position.
Replace with desired
highpressure tip.
Pump is sucking air.
tings are airtight. Turn OFF
machine, and purge
pump by squeezing trigger
water emerges through the
nozzle.
Sumec Owner Manual.pdf 1 4/29/19 11:42 AM