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Page 15 — English
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Engine fails to start No fuel in tank Fill tank
Spark plug shorted or fouled Replace spark plug
Spark plug is broken (cracked Replace spark plug
porcelain or electrodes broken)
Ignition lead wire shorted, broken, Replace lead wire or attach to spark
or disconnected from spark plug plug
Ignition inoperative Contact authorized service center
Engine hard to start Water in gasoline Drain entire system and refill with
fresh fuel
Weak spark at spark plug Contact authorized service center
Engine lacks power Dirty air filter Clean or replace air filter
Detergent fails to mix with spray Detergent injection hose is not Insert injection hose into detergent
properly submerged container or detergent bottle
High pressure nozzle attached Use low pressure nozzle (black) to
apply detergent
Pump doesn’t produce pressure Low pressure nozzle installed Replace with high pressure nozzle
Inadequate water supply Provide adequate water flow
Trigger handle or spray wand leaks Check connections and / or replace
trigger handle or spray wand
Nozzle is clogged Clean nozzle
Pump is faulty Contact authorized service center
Air in line Pull trigger on trigger handle to
remove air from line
Machine doesn’t reach high Diameter of garden hose is too Replace with 3/4 in. garden hose
pressure small
Water supply is restricted Check garden hose for kinks, leaks,
and blockages
Not enough inlet water Open water source full force
Wrong nozzle is attached Attach the high pressure nozzle