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17
Fault Cause AnalysisCorrective Action
When switch "I" the machine
will not sart working
Pressure washer not plugged in.
Circuit breaker has tripped or
fuse is blown.
"RESET" button on FGCI not
pushed.
The pump is stuck.
Plug in pressure washer.
Reset breaker or replace fuse.
Push "RESET" button.
Turn the motor manually.
Low water pressure or no
water pressure
Insufficient water supply.
Adjusting valve seal is worn out.
Water inlet is clogged.
Pump sucking air from
connections or hoses.
Leakage on water outlet.
High pressure hose too long.
Valve o-ring worn out.
The valves are dirty or blocked.
Seal worn out.
Turn the motor manually.
Min inlet water pressure 20L/min.
Check and /or replace new valve seal.
Clean the water inlet filter.
Check that connections and locking ring
are well tightened.
wrench the water connector again. If
necessary, change a new outlet hose.
Use pressure hose less than 30 meters.
change new o-ring.
check, clean or replace new valve.
Change water seal.
Chemical injection system
not working
chemical filter is placed properly
in chemical.
chemical filter is clogged.
chemical too thick.
chemical stocked in nozzle head.
make sure the chemical filter is placed
lower than chemical.
clean fliter.
delute chemical with water.
clean the nozzle or replace new parts.
water leakage in pressure
pump
connect not connected well.
water seal worn out.
pump housing and/or other parts
broken.
wrench the connector & make it connected
tightly.
Change water seal.
change parts.
unstable pressure
Nozzle being clogged.
Pump sucking air.
Valves dirty, worn out or stuck.
Sealing worn out.
check the nozzles.
Check that connections are airtight.
Clean or replace.
Check and replace.
When you turn the switch
ON, the engine buzzes, but
it does not start.
Using an extension cord over 40
feet.
Pump is stuck due to dirt, mineral
build up, or ice.
Net voltage is lower than the
minimum suggested voltage.
Do NOT use extension cords over 40 feet.
Unplug unit. If temperature is below
freezing do not use. Thaw in a warm area.
Check the electric installation is suitable.
TROUBLE SHOOTING