Janome MEMORYCRAFT 300E, Instruction Book

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47
Troubleshooting
Problem: Cause: Reference:
The machine is noisy 1 Threads have been caught in the hook mechanism. See page 45.
The needle thread breaks. 1 The needle thread is not threaded properly. See pages 9, 10.
2 The needle thread tension is too tight. See page 13.
3 The needle is bent or blunt. See page 14.
4 The needle is inserted incorrectly. See page 14.
5 The needle thread is not set in the thread holder See page 12.
when starting the machine.
The bobbin thread breaks. 1 The bobbin thread is not threaded properly in the bobbin See page 8.
holder.
2 Lint has collected in the bobbin holder. See page 45.
3 The bobbin is damaged and does not turn smoothly. Replace the bobbin.
The needle breaks. 1 The needle is inserted incorrectly See page 14
2 The needle is bent or blunt. See page 14.
3 The needle clamp screw is loose. See page 14.
4 The needle thread tension is too tight. See page 13.
Visual Touch Screen is 1 The screen contrast of the visual touch screen is not See page 21.
not clear. adjusted correctly.
2 The screen contrast has been faded due to a See page 21.
continuous use of the machine.
Skipped stitches. 1 The needle is inserted incorrectly. See page 14.
2 The needle is bent or blunt. See page 14.
3 The needle thread is not threaded properly. See pages 9, 10
4 The defective needle (rusted, burred needle eye) is used. Replace the needle.
5 The embroidery hoop is not set properly. See page 18.
6 The fabric is not tightly pulled on the embroidery hoop. See page 17.
7 A stabilizer is not being used. See page 16.
The machine does not run. 1 A thread is caught in the hook race. See page 45.
2 The control circuit is not working correctly. Turn the switch off and
turn it on again.
Abnormal noise occurs 1 Something is caught between the carriage and the arm. Remove the object.
when the machine is 2 The carriage is touching something around the machine. See page 18.
switched on.
Patterns are distorted. 1 The fabric is not pulled tightly on the embroidery hoop. See page 17.
2 The embroider hoop is not fixed securely. See page 18.
3 The carriage is bumping into something around the See page 18.
machine.
4 The fabric is caught or pulled for some reason when Stop the machine and
sewing embroidery. free the fabric.
5 The needle thread tension is too tight. See page 13.
6 A stabilizer is not used. See page 16.
7 The needle thread on the wrong side of fabric is not cut Cut extra needle thread
correctly. on wrong side.
Pattern selection keys 1 Key position is not adjusted properly. See page 23.
don’t work. 2 The control circuit is not working correctly. Turn the switch off and
turn it on again.