Brother BM-3500, 885-S27 operation manual Lower, Or breaks, Thread ten, Fabric is, Wrinkled

XL2600_US-Sp.book Page 73 Thursday, November 4, 2004 11:41 AM

Symptom	Possible cause	How to put it right	Reference
	The area around the hole in the nee-	Replace the needle plate.	–
		Contact your retailer or the nearest
	dle plate is scratched.	authorized service center.
	The area around the hole in the	Replace the presser foot.	–
		Contact your retailer or the nearest
	presser foot is scratched.
The upper		authorized service center.
thread breaks.	The bobbin case is scratched, or has	Replace the bobbin case.	–
		Contact your retailer or the nearest
	a burr on it.
		authorized service center.
	You have not used a bobbin that has	Incorrect bobbins will not work
		properly. Only use a bobbin that has	page 26
	been designed for this machine.
		been designed for this machine.
	You have not wound the bobbin	Wind the bobbin properly.	page 26
	thread properly.
	The bobbin is scratched or does not	Replace the bobbin.	–
	turn smoothly.
The lower	The thread is tangled.	Remove the tangled thread and	page 70
thread is tangled		clean the bobbin case.
or breaks.
	You have not used a bobbin that has	Incorrect bobbins will not work
		properly. Only use a bobbin that has	page 26
	been designed for this machine.
		been designed for this machine.
	Bobbin is set incorrectly.	Reset the bobbin thread correctly.	page 28, 30,
			31
	You have not threaded the upper	Correct the upper threading.	page 32
	thread properly.
	You have not wound the bobbin	Wind the bobbin thread properly.	page 26
	thread properly.
	You have not threaded the right	Choose a thread and needle that are
	combination of thread and needle		page 39
		appropriate for the type of fabric.
	for the fabric you are using.
The thread ten-
	You have not attached the presser	Attach the presser foot holder prop-	–
sion is incorrect.				6
	foot holder properly.	erly.
	The thread tension is incorrect.	Adjust the tension of the upper thread.	page 38
	You have not used a bobbin that has	Incorrect bobbins will not work
		properly. Only use a bobbin that has	page 26
	been designed for this machine.
		been designed for this machine.
	Bobbin is set incorrectly.	Reset the bobbin thread correctly.	page 28, 30,
			31
	You have not threaded the upper	Thread the upper thread and wind	page 28, 30,
	thread properly or fitted the bobbin
		the bobbin thread properly.	32
	properly.
	You have not fitted the spool prop-	Fit the spool properly.	page 32, 37
	erly.
The fabric is	You have not used the right	Choose a thread and needle that are
	combination of fabric, thread and		page 39
		appropriate for the type of fabric.
wrinkled.	needle.
	The needle is bent or blunt.	Replace the needle.	page 16
	If you are sewing thin fabric, the	Sew with stabiliser material under	–
	stitch is too thick.	the fabric.
	The thread tension is incorrect.	Adjust the tension of the upper	page 38
		thread.

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