18
ST600 Multi-attachment
Troubleshooting
Troubleshooting
Use this table to see possible solutions for problems with the string trimmer. If these suggestions do not
solve the problem, see “Warranty and Service”.
SYMPTOM POSSIBLE CAUSE RECOMMENDED ACTIONS
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”.
Trimmer line wears
out quickly
Higher cutting speed than
necessary
Apply less pressure to the variable speed 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”.
Line cutting blade is dull See “Sharpening the Line Cutting Blade”.
End of trimmer line
is frayed, ragged, or
unevenly cut
Line cutting blade is dull See “Sharpening the Line Cutting Blade”.