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HE-800A
5. OPERATION
47
Symptom Cause Remedy
Parameter number 35
(Eyelet buttonhole
radius) does not
become larger or
smaller.
If the sewing area is 4.0 mm and parameter
number 06 (Knife X space) is set to 0.4 mm
and parameter number 05 (Zigzag width) is set
to 1.5 mm, the eyelet buttonhole radius that
can be entered will be a minimum of (1.5 + 1.5
+ 0.4) y 2 = 1.7 mm, and a maximum of 4.0 y 2
= 2.0 mm.
A
Parameter number 02
(Length of knife) does
not become larger.
If the sewing area is 32.0 mm and parameter
number 07 (Knife Y space) is set to 1.0 mm,
parameter number 21 (Front tack length) is set
to 1.0 mm and parameter number 31 (Rear
tack length) is set to 1.0 mm, the knife length
will be 32.0 - 1.0 - 1.0 - 1.0 - 1.0 = 28.0 mm.
(The default setting is 27.8 mm to match the
positions of the needle and cutter.)
Parameter number 07
(Knife Y space) does
not become larger.
See illustration.
Parameter number 21
(Front tack length) and
parameter number 31
(Rear tack length) do
not become larger.
See illustration.
A
Parameter number 13
(Straight bar tack
length) does not
become smaller.
The initial setting for parameter number 13
(Straight bar tack length) is 13.0 mm, and for
parameter number 17 (Running length) it is
11.0 mm. At this time, the straight bar tack
length cannot be set to less than 11.0 mm.
B
<Remedy>
A. Change the work clamp over to a larger work clamp. Alternatively, change the needle plate to one with a larger hole.
Note: Be sure to change the setting for panel DIP switch B also.
B. Set parameter number 17 (Running length) to a smaller value and then set the straight bar tack length.
3926Q
3925Q
4.0 mm
0.4 mm
1.5 mm 1.5 mm
32.0 mm
1.0 mm
1.0 mm
1.0 mm
1.0 mm
13.0 mm 11.0 mm
3927Q