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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 Diameter of garden hose is too small
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
Water supply is restricted
Not enough inlet water
Wrong nozzle is attached
Page 14 — 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
Squeeze 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
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