PROBLEM
CAUSE
◾
◾
◾
Trimmer
head will not
advance line.
◾
◾
◾
◾
Grass is
wrapped
around trim-
mer head and
motor housing.
◾
The blade is
not cutting the
line.
◾
Cracks on the
trimmer head
56-VOLT LITHIUM-ION CORDLESS BRUSHLESS STRING TRIMMER — ST1620/ST1620-FC
The motor shaft or trimmer head
is bound with grass.
There is not enough line on the
spool or the line breaks from the
eyelet.
The line is tangled.
The line is too short.
Heavy cutting line is used.
Trimmer head malfunction.
Cutting tall grass at ground level
The line-cutting blade on the edge
of the guard has become dull.
The trimmer head is worn out.
SOLUTION
◾
Stop the trimmer, remove the
battery, and clean the motor shaft
and trimmer head.
◾
Remove the battery and replace
the cutting line follow "LINE
REPLACEMENT" section in this
manual.
◾
Remove the battery; remove the
line from the trimmer head and
rewind following "RELOAD THE
CUTTING LINE" section in this
manual.
◾
Remove the battery and pull the
lines manually while alternately
pressing down and releasing the
trimmer head.
◾
Use recommended nylon cutting
line with diameter 0.095 in.
(2.4 mm).
◾
Call EGO Customer Service for
help.
◾
Cut tall grass from the top down,
removing no more than 8 inches in
each pass to prevent wrapping.
◾
Follow instructions to sharpen the
line-cutting blade with a file or
replace it with a new blade.
◾
Replace the trimmer head
immediately; follow the section
"TRIMMER HEAD REPLACEMENT"
in this manual.
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