Troubleshooting - Ryobi RY80544 Series Operator's Manual

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
High pressure nozzle attached
Detergent tank is empty
Detergent injection hose is not properly
submerged
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 START (cold 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 17 — 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
Use blue soap nozzle to apply detergent
Add detergent to detergent tank
Insert detergent injection hose into 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 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