Brother HE-800A manual 55

5. OPERATION￿

￿

Symptom				Cause			Remedy
Parameter	number		35	If the sewing area is 4.0 mm and parameter		4.0 mm	A
(Eyelet	buttonhole			number 06 (Knife X space) is set to 0.4 mm
radius)	does		not	and parameter number 05 (Zigzag width) is set
become	larger		or	to 1.5 mm, the eyelet buttonhole radius that
smaller.				can be entered will be a minimum of (1.5 + 1.5
				+ 0.4) ￿ 2 = 1.7 mm, and a maximum of 4.0 ￿ 2
				= 2.0 mm.
					1.5 mm	1.5 mm
						0.4 mm
						3925Q
Parameter	number		02	If the sewing area is 32.0 mm and parameter			A
(Length of	knife)	does		number 07 (Knife Y space) is set to 1.0 mm,
not become larger.				parameter number 21 (Front tack length) is set
				to 1.0 mm and parameter number 31 (Rear		1.0 mm
				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.	32.0 mm	1.0 mm
				(The default setting is 27.8 mm to match the
				positions of the needle and cutter.)
Parameter	number		07	See illustration.
(Knife Y space)		does
not become larger.
Parameter	number		21	See illustration.		1.0 mm
(Front tack length) and
parameter	number		31			1.0 mm
(Rear tack	length)		do
not become larger.						3926Q
Parameter	number		13	The initial setting for parameter number 13			B
(Straight	bar	tack		(Straight bar tack length) is 13.0 mm, and for
length)	does		not	parameter number 17 (Running length) it is
become smaller.				11.0 mm. At this time, the straight bar tack
				length cannot be set to less than 11.0 mm.
					11.0 mm	13.0 mm
						3927Q

<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.

47 HE-800A