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
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
Water in gasoline
Weak spark at spark plug
Dirty air filter
Detergent injection hose is not
properly submerged
High pressure nozzle attached
Low pressure nozzle installed
Inadequate water supply
Trigger handle or spray wand leaks
Nozzle is clogged
Pump is faulty
Air in line
Diameter of garden hose is too
small
Water supply is restricted
Not enough inlet water
Wrong nozzle is attached
Page 15 — English
SOLUTION
Fill tank
Replace spark plug
Replace spark plug
Replace lead wire or attach to spark
plug
Contact authorized service center
Drain entire system and refill with
fresh fuel
Contact authorized service center
Clean or replace air filter
Insert injection hose into detergent
container or detergent bottle
Use low pressure nozzle (black) to
apply detergent
Replace with high pressure nozzle
Provide adequate water flow
Check connections and / or replace
trigger handle or spray wand
Clean nozzle
Contact authorized service center
Pull trigger on trigger handle to
remove air from line
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