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Troubleshooting
Motor Fails to Run
On/Off switch turned off
Machine not receiving power
Uneven Quilt Design
Take-up rollers may be bowed
or bent
Leaders are stretched or worn
Thread Breaks
Poor quality thread, may have
severe twisting or thread rot
Top and bobbin tensions not
balanced
The machine 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
Page 52
(Continued)
Corrective Measure(s)
•
Make sure that the power switch is in the on position.
•
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. Unplug and re-plug.
Corrective Measure(s)
•
Make certain the fabric is not rolled too tight, causing the poles
to bow. Check that poles are inserted completely together with
the push buttons engaged so bowing won't occur.
•
If fabric is beginning to stretch or fray, contact Janome to
purchase replacement leaders.
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 thread,which is of poor quality, 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 in
the Using Your Machine section of this manual.)
•
Check that the machine is threaded correctly. Refer to
diagram on Quick Reference Card.
•
Check for accidental double wrapping of thread on thread
guides.
•
Check the thread mast, making sure the eyelet of the mast
is directly over the cone.
•
Check the position of the thread cone. 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 sight hole in the
needle bar.
Quilt Maker 15 User Manual
2022.02
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