PROBLEM
Engine fails to start
Engine hard to start
Engine lacks power
Detergent fails to mix with spray
Pump doesn't produce pressure
Machine doesn't reach high
pressure
TROUBLESHOOTING
CAUSE
No fuel in tank
Water pressure in hose
Spark plug shorted or fouled
Spark plug is broken (cracked porcelain
or electrodes broken)
Ignition lead wire shorted, broken, or
disconnected from spark plug
Ignition inoperative
Weak spark at spark plug
Dirty air filter
High pressure nozzle attached
Detergent tank is empty
Low pressure nozzle installed
Inadequate water supply
Trigger handle or spray wand leaks
Nozzle is clogged
Air in line
Hose is leaking
Kink in hose
Choke in ON (START) position
Pump is faulty
Diameter of garden hose is too small
Water supply is restricted
Not enough inlet water
Wrong nozzle is attached
Page 16 — English
SOLUTION
Fill tank
Squeeze trigger to relieve water pressure
Replace spark plug
Replace spark plug
Replace lead wire or attach to spark plug
Contact authorized service center
Contact authorized service center
Clean or replace air filter
Use blue soap nozzle to apply detergent
Add detergent to detergent tank
Replace with high pressure nozzle
Provide adequate water flow
Check connections and / or replace trigger
handle or spray wand
Clean nozzle
Squeeze trigger on trigger handle to remove
air from line
Replace hose
Eliminate kinks in hose
Move choke to OFF (RUN) position
Contact authorized service center
Replace with 3/4 in. garden hose
Check garden hose for kinks, leaks, and
blockages
Open water source full force
Attach the high pressure nozzle