Homelite UT80993 - Manual (Page 18)

Page 14 — 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 porcelain or
electrodes broken)
Replace spark plug
Ignition lead wire shorted, broken, or
disconnected from spark plug Replace lead wire or attach to spark 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 properly
submerged
Insert injection hose into detergent 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 Squeeze trigger on trigger handle to remove
air from line
Machine doesn’t reach high pressure Diameter of garden hose is too small Replace with 3/4 in. garden hose
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