20 — English
PROBLEM POSSIBLE CAUSE SOLUTION
Engine hard to start. Water in gasoline.
Weak spark at spark plug.
Drain entire system and refill with fresh
fuel.
Contact a qualified service center.
Engine lacks power. Engine stored without treating or
draining gasoline, or refueled with bad
gasoline.
Dirty air filter.
Drain fuel and carburetor. Refuel with
fresh gasoline.
Clean or replace as needed.
AC receptacle does not work. Item plugged in is defective.
Generator is overloaded.
Circuit breaker is tripped.
Try a different item.
Remove loads and press the reset
button.
Reset the AC circuit breaker.
Generator makes a “spark knock” or
“pinging” noise.
An occasional light “knocking” or “ping-
ing” under heavy load is not a cause
for concern. However, if the knocking
or pinging occurs under normal load
at a steady engine speed, the problem
may be with the brand of gasoline being
used.
Switch to a different brand of gasoline,
making sure that the octane rating is 86
or higher. If problem continues, contact
a qualified service center.
If problem persists after trying the above solutions, contact customer service or a qualified service center for assistance.
NOTICE:
As the equipment owner, you are responsible for the performance of the required maintenance listed in the Maintenance
section. It is recommended that you retain all receipts covering maintenance on your equipment. Neglecting or failing
to perform the required maintenance may increase emissions, decrease fuel efficiency, degrade performance, cause
irreversible engine damage and/or void your warranty.
TROUBLESHOOTING
This product has a Three-year Limited Warranty for personal, family,
or household use (90 days for business or commercial use).
For warranty details, visit www.ryobitools.com
or call (toll free) 1-800-860-4050.
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