Trouble shooting

Faults 49

In most cases you will be able to identify and remedy faults by checking the following.

Check whether:

•the upper and lower threads are threaded correctly

•the needle is inserted correctly

•the needle size is correct – check the needle/thread table p. 42

•the sewing computer is clean – brush out any thread fluff

•the hook race is clean

•any threads are trapped between the tension discs or under the bobbin case spring

•the bobbin runs smoothly in the case or if remnants or lint need removing

Skipped stitches

• Wrong needles used. Use only

130/705H system.

• The needle is blunt, bent or

incorrectly inserted.

• Push right to the top when

inserting.

• Needle inserted all the way to

the top.

• The needle point does not suit

the fabric being sewn. If

Faulty stitching

• Remnants of thread between
	the tension discs.
• Remnants of thread under the
	bobbin case spring.
• Lower thread still threaded in
	the bobbin case finger.
•	Sewing computer threaded
	with foot down.
•	Incorrect threading. Check
	upper and lower threads.

Upper thread breaks

•The upper thread tension is too tight.

•The needles are of a poor quality. Ideally needles should be purchased from your BERNINA dealer.

•The needle is bent or blunt.

•Poor quality, knotted or dried out thread has been used.

•Use the correct spool disc.

•Stitch plate or hook tip damaged. Take your sewing computer to your BERNINA dealer.

Lower thread breaks

•The lower thread tension is too tight.

•The bobbin is jamming in the bobbin case. Remove and replace the bobbin.

•The hole in the stitch plate has been damaged by the needle. This must be repolished by an expert.

•The needle is blunt or bent.

necessary use a ball point for

knitted fabrics and cutting

point for hard leather.

Needle breaks

•Needle clamp screw loose.

•Fabric taken out in front instead of behind presser foot.

•When sewing over thick area, the fabric was pushed with the needle still in the fabric.

•Poor quality thread, unevenly wound or knotted.

•See pages 42–44 for infor- mation about needles

• Use the correct spool disc.

Sewing computer fails to run or runs slowly

•Plug not properly inserted.

•Power switch in off position.

•Sewing computer has been standing in a cold room.

•Bobbin winder still switched on.

030595.50.04_0201_a125_EN

Sewing Machine specifications

The Bernina sewing machine is a renowned brand in the world of sewing, celebrated for its precision, quality, and innovative technologies. Established in Switzerland in 1893, Bernina has continued to evolve, meeting the diverse needs of sewists across the globe. The machines are known for their durability and exceptional craftsmanship, making them a favorite among professional tailors, quilters, and hobbyists alike.

One of the standout features of Bernina sewing machines is their stitch quality. The machines are equipped with an advanced stitch mechanism that ensures even tension and flawless stitch formation. This is crucial for achieving intricate designs and professional finishes. With a wide range of stitch options, including utility, decorative, and quilt stitches, sewists can explore their creativity with ease.

Bernina machines also come with innovative technologies such as the Bernina Dual Feed. This feature allows for perfect alignment of fabric layers, making it easier to sew tricky materials like silks or multiple layers of fabric. This system is particularly beneficial for quilters, as it helps to prevent fabric shifting, ensuring accuracy in piecing and quilting.

Another significant technological advancement is the BERNINA Stitch Regulator (BSR), which is designed for free-motion quilting enthusiasts. This feature automatically regulates the stitch length while quilting, allowing for perfectly even stitches regardless of the quilter's speed. It significantly reduces the learning curve for beginners while providing seasoned quilters with enhanced control.

The user interface on Bernina machines is intuitive and user-friendly. Many models come with a large touchscreen display that provides access to a variety of settings and stitch options. This modern interface ensures that adjustments can be made quickly and easily, allowing for a seamless sewing experience. Additionally, some Bernina models boast the ability to save custom stitches and settings, providing sewists with a personal touch.

Complementing its robust features, Bernina also offers an extensive range of accessories and attachments that enhance sewing capabilities. From different presser feet to specialty needles, these accessories provide more options for creativity and customization.

In summary, the Bernina sewing machine stands out due to its quality craftsmanship, advanced technologies, and user-friendly features. Whether you are a beginner or an experienced sewist, Bernina provides the tools necessary to bring your creative visions to life, making sewing a truly enjoyable experience. With a rich heritage and a commitment to innovation, Bernina remains a leader in the sewing machine industry.

Bernina Sewing Machine manual Trouble shooting

Models: Sewing Machine