Troubleshooting
40
ENGINE WILL NOT START
Causes
Solutions
Low Oil Shutdown
Fill engine with the adequate amount of oil
Cold Engine
Choke engine to start
No Fuel
Add gas to fuel tank - Make sure fuel shutoff valve is
open
Pressure build-up from initial use
Trigger spray gun to relieve pressure
Spark plug wire not attached
Attach spark plug wire to spark plug
LOW/SURGING PRESSURE
Causes
Solutions
Insufficient water supply
Increase water flow - Check for kinked or pinched hose
Plugged inlet screen
Pull out and clean screen carefully
Need to use high pressure nozzle
Change to the green, yellow, white, or red nozzle
Plugged nozzle
Remove nozzle, check for blockage
Worn nozzle
Replace nozzle
Leak in high pressure line
Fix leaks
NO CHEMICAL INJECTION
Causes
Solutions
Adjustment knob turned OFF
Rotate adjustment knob counter-clockwise
Need to use different nozzle
Change to the black nozzle
Back pressure from extra-long hose
Try shorter high pressure hose
Leak in clear chemical hose
Replace hose. Use hose clamps if necessary
Chemical strainer not submerged
Make sure strainer is completely submerged in solution
