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TROUBLESHOOTING
OREGON® Cordless Tool System
TRIMMER/EDGER MODEL ST250
AE 1212 - F/N 558937
TROUBLESHOOTING
Use this table to see possible solutions for possible problems with the trimmer/
edger. If these suggestions do not solve the problem, see “Service and support
information”.
SYMPTOM POSSIBLE CAUSE RECOMMENDED ACTIONS
Motor does
not run or runs
intermittently
Battery discharged Recharge. See “Charging the battery pack”.
Trigger lock-out not
pressed
Press the trigger lock-out before squeezing the
throttle trigger. See “Starting the trimmer/edger”.
Battery pack not fully
inserted
Press the battery pack into the battery port until it
clicks into place.
Battery contacts dirty
Remove the battery pack, remove debris from the
battery port, and then clean the contacts with a
clean, dry cloth.
Battery pack cold
Allow the battery pack to warm to the minimum
operating temperature of 32°F (0°C).
Trimmer/Edger
overheated
The trimmer/edger will automatically reset once
it cools below 104°F (40°C). Allow the tool to
cool before continued operation. If the thermal
protection occurs repeatedly, clean all dirt or grass
debris from the motor housing vents and clean
grass from the spindle, see “correcting grass bind.”
Motor runs, but
trimmer head
does not move
Grass wound between
shaft and trimmer head
See “Correcting grass bind”.
Trimmer/Edger
does not cut
properly
Grass wound between
shaft and trimmer head
See “Correcting grass bind”.
Spool empty See “Replacing trimmer line”.
Trimmer line does
not feed
Spool empty See “Replacing trimmer line”.
Trimmer line tangled
Remove the trimmer line from the spool, untangle,
and rewind. See “Replacing trimmer line”.
To minimize tangled line, use only .080 in (2 mm)
Platinum Gatorline™.
Trimmer line wears
out quickly
Higher cutting speed
than necessary
Apply less pressure to the throttle trigger.
Improper cutting
technique
Avoid forcing the trimmer head against hard
surfaces. Slowly move the trimmer head in until the
edge of the trimmer line strikes the grass or weeds.
Trimmer/
Edger vibrates
excessively
during use
Trimmer head damaged See “Removing and replacing the trimmer head”.
Trimmer head cover not
seated properly
Remove the trimmer head cover and reinstall
making sure that the tabs on the cover line up with
the slots on the trimmer head. See “Reassembling
the trimmer head”.