Manual Husqvarna SAPPHIRE 850 (page 42 of 48) (English)

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Taking care of the machine

Trouble shooting

Any time you experience a problem when

sewing:

• Select correct type and weight of fabric in the Sewing

Advisor.

• Insert needle size and type as recommended on the

GraphicDisplay.

• Rethread the top and bobbin threads.

• Use different spool pin positions (vertical or horizontal).

• Use thread nets and quality thread. We recommend the same

sewing thread on top and bobbin for general sewing. For

decorative sewing we recommend embroidery thread on top

and bobbin thread on bobbin.

If you experience problems when sewing the

Sensor Buttonhole:

• Make sure the white area on the side of the wheel is lined up

with the white marking line on the foot.

• Check to insure that the cord to the Sensor Buttonhole Foot

is properly plugged into the socket above the needle area

behind the light bulb.

Fabric Puckers?

• Select correct type and weight of fabric in the Sewing

Advisor.

• Check needle, it could be damaged.

• Insert needle size and type as recommended on the

GraphicDisplay.

• Rethread top and bobbin threads.

• Change thread type to match fabric and sewing technique.

• Use quality thread.

• Shorten stitch length.

• Use stabilizer.

• Check your thread tension.

Skipped Stitches?

• Check needle - it could be damaged.

• Change needle to recommended size and type.

• Be sure the needle is inserted correctly all the way into the

clamp.

• Rethread top and bobbin threads.

• Use recommended presser foot.

• Turn machine off and on to reset.

• Consult your Authorized Husqvarna Viking dealer for service.

Needle Breaks?

• Use care not to pull fabric when sewing.

• Insert needle size and type as recommended on the

GraphicDisplay.

• Insert needle correctly as described in the User’s Guide.

Poor Tension?

• Enter fabric weight and type in the Sewing Advisor.

• Rethread top and bobbin - use quality thread.

• Insert needle size and type as recommended on the

GraphicDisplay.

• Follow recommendations for thread tension.

• Follow recommendations for stabilizer.

Upper Thread Breaks?

• Does thread feed smoothly/not catching?

• Use thread nets and quality thread. For special threads such

as metallic etc. please consult your Accessory User’s Guide for

special needle recommendations.

• Rethread top and bobbin threads - check for correct

threading. When using embroidery thread on top, you should

use bobbin thread in the bobbin, not regular sewing thread.

• Try different spool pin positions (horizontal or vertical).

• If stitch plate hole is damaged, replace stitch plate.

• Is the correct spool cap used in front of the thread?

Fabric Does Not Move?

• Check to make sure feed teeth are up.

• Increase stitch length.

Bobbin Thread Breaks?

• Wind a new bobbin.

• Replace the bobbin in the machine, check correct threading.

• If stitch plate hole is damaged - replace stitch plate.

• Clean bobbin area.

Bobbin Winds Irregularly?

• Check threading for bobbin winding.

Wrong Stitch, Irregular or Narrow Stitches?

• Turn machine off and on to reset.

• Change needle, rethread top and bobbin threads.

• Use stabilizer.

what is causing my stitches to gather when sewing two pieces of fabric together? Submitted on 14-10-2021 at 19:12
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Husqvarna SAPPHIRE 850 Manual

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