
19
CARE AND MAINTENANCE
4. Inspect bump knob and line to ensure that there is an
adequate amount of line and that no damage is present
on the bump knob.
If you still have questions or an unresolved issue after going through this troubleshooting guide, or
just want to speak to a Kobalt product expert, please call our customer service department at
1-888-3KOBALT (1-888-356-2258), 8 a.m. - 8 p.m., EST, Monday – Friday.
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Motor fails to start
when switch trigger
is depressed.
1. Battery is not secure.
2. Battery is not charged.
3. Possible wiring or electrical
contact problem.
1. To secure the battery, make sure
the latches on the battery compartment
snap into place.
2. Charge the battery according to
the instructions included with your
model.
3. Call 1-888-3KOBALT (1-888-356-2258)
for technical service.
Trimmer smokes
during operation.
1. Trimmer damaged.
1. Do not use the string trimmer.
Trimmer head will
not advance line.
1. The motor shaft or trimmer
head is bound with grass.
2. Not enough line in the spool.
3. Trimmer head is dirty.
4. Line is tangled on the spool.
1. Stop the trimmer, remove the
battery, and remove any grass.
2. Remove the battery and replace
the trimmer line. Reference section
"Cutting Line" in this manual.
3. Remove the battery and clean the
spool.
4. Remove the battery, remove the
line from the spool and rewind.
Line is not cutting
well.
1. The cutting blade on the guard
has become dull.
1. Sharpen the cutting blade with a
file or replace it with a new blade.