Brother PR-620 operation manual 206, Fabrics. Use stabilizer on top, Is incorrect, Be read

APPENDIX —————————————————————————————————————————————————————

Symptom	Probable Cause	Remedy	Reference Page
	If the thread breakage sensor in
	the thread tension disc of the
	thread tension knobs cannot	Correctly pass the thread
Although the	detect that the thread is being
		through the thread tension disc.
thread is not	fed, even if the machine is
		If the broken thread error occurs
broken, a broken	running, a broken thread error
		after the machine is rethreaded,	p.37
thread error	occurs and the machine is
		the sensor may be damaged.
occurs and the	stopped. If the thread came out
		Consult your nearest authorized
machine stops.	of the thread tension disc, even
		dealer.
	though the thread is not broken,
	the machine detects that the
	thread is not being fed and stops.
		Replace the needle. Dull
	The needle is dull.	needles have a difficult time	p.15, 63
		passing through the garment,
There are needle
		causing fabrics to tear.
cuts or holes in
		The simple penetration of the
the garment.
	The fabric is too delicate.	needle could damage delicate	p.167
		fabrics. Use stabilizer on top of
		fabric.
		Adjust the tension according to
		the type of fabric and thread
		being used. Polyester thread will
		stretch during sewing especially
	The thread tension is too tight.	if the tensions are set too high.	p.86
		After the stitching is complete,
		the thread returns to its original
		strength, causing puckers in the
		fabric.
		Tightly frame non-stretchable,
		woven fabrics. Loose framing
		will cause the fabric to bunch
	The framing tension of the fabric	up under the stitching.
There is		Tautly frame soft knits using a	p.166
	is incorrect.
puckering in the		stable backing. Overstretching
fabric.		the garment will cause it to look
		puckered when the frame is
		removed.
	The column stitches are too	Re-digitize the design with fill
		stitching or with multiple rows
	long.
		of column stitching.
		Dull needles push fabric down
	The needle is dull.	and damage material. Replace	p.15, 63
		the needle.
		Too many stitches in an area
	The design density is too heavy.	pull fabric, causing it to pucker.
		Slightly decrease the design
		density by 5% to 10%.
The LCD cannot	The LCD contrast is incorrect.	Adjust the contrast on the LCD.	p.142
be read.

CAUTION

●This machine is equipped with a thread detecting mechanism. If the machine is not threaded with the upper thread, the machine will not operate correctly, even if the start/stop button is pressed after unlocking the machine.

●If the machine suddenly stops:

-Turn off the machine, and unplug the power cord.

-Restart the machine with the correct operating procedure. Refer to page 20.

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