TROUBLESHOOTING
18
PROBLEM
CAUSE
SOLUTION
Motor fails to start when
switch trigger is depressed
LED indicator of tool flash
for 1-19 times
Motor controller fault, or
over temperature, or low
battery, or battery over
temperature, etc.
1.Release the trigger and
restart the machine after 3-5s;
or
2.stop the operation and cool
the tool, or charge the battery
Battery is not secure.
To secure the battery, make
sure the latches on the battery
compartment snap into place.
String trimmer stops while
cutting
The trimmer head is bound.
Stop the trimmer
，
remove the
battery, and remove the grass
from the trimmer head.
The battery pack is too hot.
Remove the battery and allow
it to cool in a cool; dry area.
The battery pack is fully
discharged.
Recharge the battery per the
instructions in the battery
manual
Line will not advance
There is not enough line in
the spool.
Remove the battery and
replace the trimmer line.
String trimmer is always at
low speed
The trimmer line is too short,
or the load is small
Knock the trimmer head to
release the line, and the speed
will be increasing according to
the load
LED indicator of tool flash for
1-19 times, motor fails to start
Motor controller fault, or over
temperature, or low battery, or
over load, etc.
1.Release the trigger and restart
the machine after 3-5s; or
2.stop the operation and cool the
tool and battery; or
3.Charge the battery
