Brother N5V, NX-450 Appendix, skipped, The thread tension, is incorrect, The fabric is, wrinkled

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

Symptom	Probable Cause	Remedy	Reference
	The upper thread was not threaded	Correct the upper threading.	page 28
	correctly.
	The bobbin thread is incorrectly	Correctly install the bobbin	page 26
	installed.	thread.
	The combination of fabric, thread	Select a thread and needle that
		are appropriate for the type of	page 38
	and needle is not correct.
		fabric being sewn.
The thread tension
	The presser foot holder is incorrectly	Correctly install the presser foot
is incorrect.			page 43
	installed.	holder.
	The thread tension is incorrect.	Adjust the tension of the upper	page 57
		thread.
		Incorrect bobbins will not work
	A bobbin designed specifically for	properly. Only use a bobbin	page 22
	this machine is not used.	designed specifically for this
		machine.
	The upper thread was not threaded	Correctly thread the upper thread	page 26,
	correctly, or the bobbin is incorrectly	and correctly install the bobbin
			page 28
	installed.	thread.
	The spool is incorrectly installed.	Correctly install the spool.	page 28
	The combination of fabric, thread	Select a thread and needle that
		are appropriate for the type of	page 38
The fabric is	and needle is not correct.
		fabric being sewn.
wrinkled.
	The needle is bent or blunt.	Replace the needle.	page 39
	If thin fabrics are being sewn, the	Shorten the stitch length or sew
		with stabilizer material under the	page 59
	stitch is too long.
		fabric.
	The thread tension is incorrect.	Adjust the tension of the upper	page 57
		thread.
	The upper thread was not threaded	Correct the upper threading.	page 28
	correctly.
	The combination of fabric, thread	Select a thread and needle that
		are appropriate for the type of	page 38
	and needle is not correct.
Stitches are		fabric being sewn.
skipped.	The needle is bent or blunt.	Replace the needle.	page 39
	The needle is incorrectly installed.	Correctly install the needle.	page 39
	Dust has accumulated under the	Remove the needle plate cover	page 142
	needle plate or in the bobbin case.	and clean the race.

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