56 VOLT LITHIUM-ION CORDLESS LINE TRIMMER — STX4500 15
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Fail to start
◾ The battery pack is not attached
to the line trimmer.
◾ Attach the battery pack to the line trimmer.
◾ No electrical contact between
the machine and battery.
◾ Reinsert the battery pack.
◾ The battery pack is depleted. ◾ Charge the battery pack.
◾ The lock-off lever and trigger
switch are not depressed
simultaneously.
◾ Move the lock-off lever forward, then depress the
trigger to turn on the machine.
The machine stops
working while
cutting
◾ Heavy cutting line is used.
◾ Use recommended nylon cutting line with diameter
no greater than 2.7 mm.
◾ The motor is overloaded.
◾ The machine will recover when the load is
removed. For continuous working, reduce the load
of the machine.
◾ The battery pack or machine is
too hot.
◾ Allow the battery pack or machine to cool until the
temperature drops below 67°C.
◾ The battery pack is
disconnected from the machine.
◾ Re-install the battery to the machine.
◾ The battery pack is depleted. ◾ Charge the battery pack.
The cutting line
can’t be released
(only using with
trimmer head)
◾ The motor shaft or trimmer head
is wound with grass.
◾ Stop the trimmer, remove the battery and remove
the grass from the motor shaft and trimmer head.
◾ There is no enough line in the
trimmer head.
◾ Remove the battery and replace the cutting line;
follow the section “LINE REPLACEMENT” in this
manual.
◾ The trimmer head is dirty.
◾ Remove the battery and clean the lower cover
assembly, spool and upper cover.
◾ Line is tangled in the trimmer
head.
◾ Remove the battery, remove the line from the
spool and rewind; follow the section “LINE
REPLACEMENT” in this manual.
◾ The line is too short.
◾ Remove the battery and pull the line while
alternately pressing down on and releasing the
trimmer head.
Grass wraps around
trimmer head and
motor housing
◾ Cutting tall grass at ground
level.
◾ Cut out the weeds into several sections from top to
ground level.
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