24
PROBLEM
POSSIBLE CAUSE
SOLUTION
Pump
No pressure, low
pressure
Nozzle tip not attached
Attach required nozzle tip
Water supply faucet closed
Turn on faucet. Ensure there are no
kinks or blockage in hose
Water supply pressure is
low
Ensure faucet is fully opened. Check
to make sure water supply is a
minimum 30 psi, 4 GPM
Inlet water filter is clogged
Clean the water filter. Refer to the
instruction manual
Air in pump
Squeeze trigger to release the air in
pump when the machine is running
The loaded RPM is not set
to
FAST
Set RPM (throttle lever) to
FAST
position
Clogged check valve
Call customer service
Damaged pump
Call customer service
Pressure too high
Clogged nozzle
Clean nozzle with tip cleaner
Water or oil leaks out of
pump
Damaged seal ring
Call customer service
Cold water keeps draining
out of thermal relief valve
Defective thermal relief
valve
Call customer service
Acces
sories
&
Conne
ctions
No intake of detergent
The detergent siphon tube
is not connected
Connect detergent siphon tube
properly. Refer to the instruction
manual
Damaged detergent siphon
tube
Replace the detergent siphon tube
Wrong nozzle
Use black nozzle when applying
detergent. Refer to the instruction
manual
Detergent adjustment knob
set to wrong position
Check adjustment knob. Refer to the
instruction manual
Clogged nozzle
Clean nozzle
Clogged pump detergent
siphon fitting
Detach the detergent siphon tube
and clean the fitting with tip cleaner
Detergent is too thick.
Clogged detergent filter
Use only detergent approved for use
with pressure washer
The trigger can’t be
squeezed
Safety lock is not open
Open the safety lock. Refer to the
instruction manual
There is water leakage at
joints/connections on gun,
hose and/or pump
Damaged seal ring
Change with back-up O-ring or
purchase accessory kit
High pressure hose can’t
be connected to pump or
gun
The O rings are not
lubricated
Put lubricating oil or water on the O
rings