Baby Lock BLTA, Инструкция и справочник, Страница: 183 / 204

TROUBLESHOOTING
181
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7
A bobbin designed specifically for this machine is
not being used. 36
Fabric puckers.
There is a mistake in the upper or bobbin
threading. 40, 42
Spool cap is set incorrectly. 42
Using improper needle or thread for the selected
fabric. 49
Needle is turned, bent or the point is dull. 47
Stitches are too long when sewing thin fabrics. 62
Thread tension is set incorrectly. 62, 139
Wrong presser foot. 190
Fabric and stabilizer are not taut in the
embroidery frame. 123
Incorrect or insufficient stabilizer is being used. 122
The stitch is not sewn correctly.
The presser foot that is used is not appropriate
for the type of stitch that you wish to sew. 190
The thread tension is incorrect. 62
The thread is tangled, for example, in the bobbin
case. 172
Skipped stitches
Machine is threaded incorrectly. 42
Using improper needle or thread for the selected
fabric. 49
Needle is turned, bent or the point is dull. 47
Needle is installed incorrectly. 47
Needle is defective. 47
Dust or lint has collected under the needle plate. 172
Thin or stretch fabrics are being used. 70
No stitching
Needle is turned, bent or the point is dull. 47
Bobbin is set incorrectly. 40
Upper threading is incorrect. 42
High-pitched sound while sewing
Needle is turned, bent or the point is dull. 47
Dust or lint is caught in the feed dogs. 172
Pieces of thread are caught in the race. 172
Symptom, Cause/solution Reference
Upper threading is incorrect. 42
A bobbin designed specifically for this machine is
not being used. 36
There are needle holes or friction scratches in the
bobbin case. 172
Fabric does not feed through the machine.
Feed dogs are set in the down position.
• Press , and then turn the handwheel to
raise the feed dogs.
80
Stitches are too close together. 62
Wrong presser foot. 190
Needle is turned, bent or the point is dull. 47
Thread is entangled. 176
Zigzag foot “J” is slanted on a thick seam at the
beginning of stitching. 69
The fabric feeds in the opposite direction.
The feed mechanism is damaged.
*
The needle contacts the needle plate.
The needle clamp screw is loose. 47
Needle is turned, bent or the point is dull. 47
Fabric being sewn with the machine cannot be
removed.
Thread is tangled below the needle plate. 175
A broken needle has fallen into the machine.
• Turn off the machine, and then remove the
needle plate. If the needle that fell into the
machine can be seen, use tweezers to remove
it. After removing the needle, return the needle
plate to its original position.
Before turning on the machine, slowly turn the
handwheel toward you to check that it turns
smoothly. If the handwheel does not turn
smoothly or the needle that fell into the
machine cannot be removed, consult your
authorized Baby Lock retailer.
176
The handwheel feels sluggish when it is turned.
Thread is tangled in the bobbin case. 175
Symptom, Cause/solution Reference