CV3550
 |
FAQs & Troubleshooting |
Stitches on top side are not made.
Check for the following matters.
-
Probable cause
The threading on the machine is improper.
Remedy
Make sure that the threads are passed into the machine properly.
Rethread the threads to the machine in an appropriate procedure.Refer to the detailed instructions to learn the threading procedure.
Instructions for threading the machine.
You can also see the instructions for threading on movie.
-
Probable cause
The top cover spreader and top cover thread guide are attached incorrectly.
Remedy
Make sure that the top cover spreader and top cover thread guide are attached properly.
Reattach the top cover spreader and top cover thread guide to the machine in an appropriate procedure.Refer to the instructions to learn the installation procedure of the top cover spreader and top cover thread guide in the threading procedure.
You can also see the instructions for attaching the top cover spreader and top cover thread guide on movie.
Refer to the operation in the first half of the movie "How to thread the top cover stitch" to learn attaching the top cover spreader and top cover thread guide.
-
Probable cause
Adjustment of thread tension is not performed properly.
Remedy
Position "4" on the tension dial is the standard of thread tension.
Start the adjustment with "4" when adjusting thread tension.
When adjusting the thread tension, change the tension dial position little by little and then check the sewing result with trial sewing.Refer to the instructions to learn the adjustment of thread tension.
-
Probable cause
The top cover thread is not passed under the presser foot when you start sewing.
Remedy
If the thread for top cover is not underneath the pressor foot, the spreader sometimes does not catch the thread.
Pass the top cover thread under the presser foot from left to right as shown in the illustration.
