G-Power America GNW2820A, Manual

Page: 27 / 33

GNW2820A GAS PRESSURE WASHER
27
PROBLEM POSSIBLE CAUSE SOLUTION
Pu
m
p
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 toll-free
Damaged pump Call customer service toll-free
Pressure too high Clogged nozzle Clean nozzle with tip cleaner
Water or oil leaks out of
pump
Damaged seal ring Call customer service toll-free
Cold water keeps
draining out of thermal
relief valve
Defective thermal relief
valve
Call customer service toll-free
Ac
c
e
s
s
o
ri
e
s
&
Co
n
n
e
c
ti
o
n
s
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
Only applies to
GPW2600 2600 psi
pressure washer
Clean detergent filter
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 h
ose can’t
be connected to pump or
gun
The O rings are not
lubricated Put lubricating oil or water on the O
rings