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Machine not receiving power
Uneven Quilt Design
Poles may be bowed or bent
Thread Breaks
Thread is poor quality or
may have severe twisting or
thread rot
Top and bobbin tensions
not balanced
The machine head has been
threaded incorrectly or thread
spools are not positioned
correctly
Debris in tension discs
Bobbin rotation is not smooth
Needle is burred, bent or dull, or
installed incorrectly
Needle not suitable for thread
Hesitating too long at one point
in quilting motif
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• Check that the power connector is securely plugged into the
back of the machine and the three-prong end is plugged into the
power source.
Corrective Measure(s)
• Make certain the fabric is not too tight on the frame, causing the
poles to bow.
Corrective Measure(s)
• Look for severe twisting of threads when approximately 12 to
15 inches has been pulled off, with the ends pinched together.
Cotton threads are particularly susceptible to dry rot or wet rot
which makes thread brittle. Do not use poor quality thread, or
thread that is rotted or brittle.
• Balance the tension of the needle thread after ensuring the
bobbin tension is adjusted correctly. (For more information about
adjusting tension, see Bobbin and Bobbin Tension and Top Thread
Tension in the Using Your Machine section of this manual.)
• Check that the machine is threaded correctly.
• Inspect for accidental double wrapping of thread on
thread guides.
• Inspect the thread antennae, making sure the eyelets of the
antennae are directly over the spools.
• Inspect the vertical positioning of the thread cones. Tipped cones
can dramatically affect thread tension and can cause breakage.
• Inspect for particles and remove any fuzz or debris.
• Change the bobbin. The slightest hesitation of the bobbin rotation
can be the cause of dramatic tension change and
thread breakage.
• Change the needle at least once per quilt. Make sure the needle
is installed to the top of the stop hole in the needle bar.
• Replace the needle to one better suited for the thread. Use the
proper size needle.
• Move more quickly so stitches don't overlap or build up. When
starting the machine, begin moving immediately. Sewing in one
place too long will cause the thread to break.
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