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Troubleshooting
* If the troubleshooting above does not eliminate the problem, please consult an authorized Janome Quilt Maker
Pro 18 representative.
Moving the machine too fast
for needle speed selected
(Manual mode)
• Synchronize machine movement and needle speed to get roughly 8 to
10 stitches per inch. Elongated stitches are an indication of moving the
machine too fast for the current speed.
Tension is Poor Corrective Measure(s)
Lint caught under the tension
spring in the bobbin
• If using short staple threads, inexpensive, or industrial threads, or
coated threads, lint and other material will build up under the tension
spring and begin to lift the spring, reducing the spring’s ability to
compress against the thread. Insert a needle or business card under the
spring and clear out the lint. The bobbin tension will return fairly close
to its preset tension. Test the tension before quilting.
Hand Wheel Won’t Rotate Corrective Measure(s)
Thread is entangled and caught in
the hook
• Turn off the machine and unplug the machine from the electrical outlet.
Lubricate the hook, strongly turn the hand wheel clockwise and if
necessary counterclockwise several times, and then remove the thread
caught in the hook.
Thread Nests Under Quilt Corrective Measure(s)
Not enough tension on
top thread
• Check that the machine is threaded correctly. Make certain that the
thread is flossed snugly in place between the two tension discs. If
the machine is threaded correctly, tighten top tension by rotating the
tension knob clockwise. (For more information about adjusting tension,
see Bobbin and Bobbin Tension and Top Thread Tension in the Using
Your Machine section of this manual.)
Improper threading
• Refer to threading diagram and threading instructions.
Hard to Guide Machine Corrective Measure(s)
Carriage wheels not centered
on track
• Center the carriage wheels on top of the continuous track. Check that
the machine carriage has not jumped the track.
Thread caught in wheels • Remove all thread or debris in wheels. Check that the tracks are free of
lint and threads.
Motor Fails to Run Corrective Measure(s)
On/Off switch turned off
• Turn the machine on by using the switch on the back power pod.
Machine not receiving power • 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.
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