PRESSURE CLEANER
OPERATOR’S MANUAL
TROUBLESHOOTING
38
TROUBLESHOOTING
The table below should be used to identify and correct any issues experienced with your HPWC.
If you are experiencing an issue that is not listed here or you have exhausted possible solutions in this table and are
still experiencing the issue, visit the nearest authorised dealer or contact us on (02) 4577 2144.
Issue observed
Possible Cause
Solution
Failure to produce pressure,
Erratic pressure,
Chattering,
Loss of pressure,
Low water volume.
Low pressure spray tip installed.
Replace with high pressure spray tip.
Water inlet is blocked.
Clear inlet.
Inadequate water supply.
Provide adequate water flow.
Inlet hose is kinked or leaking.
Straighten inlet hose. Replace if leaking.
Clogged inlet hose screen.
Check and clean inlet hose screen.
Water supply is over 100°F (38°C).
Provide cooler water supply.
High pressure hose is blocked or
leaking.
Clear blocks in outlet hose. Replace if
leaking.
Spray gun leaks.
Replace spray gun.
Spray tip is obstructed.
Clean spray tip.
Pump is faulty.
Contact the nearest authorised dealer.
No low pressure detergent
delivery
Detergent siphoning tube is not
submerged.
Fully submerge detergent siphoning tube
into detergent.
Detergent siphoning tube/filter is
clogged or cracked.
Clean or replace filter/siphoning tube.
High pressure spray nozzle installed.
Replace with low pressure spray tip.
Engine will not start
***
Also see engine manual
provided or your authorised
service agent
***
Throttle lever or on/off switch in
OFF position.
Turn throttle lever to ON position.
No fuel in engine.
Fill fuel tank or turn on fuel supply.
Worn, fouled, or dirty spark plug.
Replace with factory recommended
spark plug.
Pressure build up in pump.
Squeeze trigger or open ball valve (refer
to ‘Start
-
up procedure’).
Spark plug cable not connected.
Connect cable to the spark plug.
Over choked or flooded
Open choke fully, turn engine switch off,
crank engine to clear excess fuel.
Engine lacks power
Dirty air filter.
Replace air filter.
Engine runs well at no load
but bogs down under load
Engine speed is too slow.
Adjust throttle lever to full throttle.
Engine runs poorly
Low oil level.
Fill oil in crankcase to proper level.
Stale fuel.
Drain fuel tank and fill with fresh fuel
(consider using fuel system cleaner).
Old, worn or incorrect spark plug.
Replace with recommended spark plug.
Water contaminated fuel.
Drain fuel tank and fill with fresh fuel.
Engine spitts or flutters
Choke is opened too early.
After starting, move choke to halfway
position until engine runs smoothly.
Engine shuts down during
operation
Out of fuel.
Fill fuel tank.
Low oil level.
Low water in water tank.
Fill oil in crankcase to proper level.
Ensure water supply is enough to keep
water tank full.