Husqvarna Viking Designer Sapphire 85 User Manual page 44

Is the correct presser foot used?
Is the needle too small for the thread?
Is the fabric moving up and down with the needle when free
motion sewing or embroidering?
Needle Thread Breaks
Did you insert the needle properly?
Did you insert a wrong needle?
Is the needle bent or blunt?
Did you thread the machine properly?
Is the needle too small for the thread?
Are you using poor thread with slubs or thread which has
become dry?
Is the best spool pin position used?
Is the needle plate hole damaged?
Is the thread tension too high for selected thread?
Bobbin Thread Breaks
Is the correct bobbin used?
Did you insert the bobbin properly?
Is the needle plate hole damaged?
Is the bobbin area full of lint?
Is the bobbin wound correctly?
The Seam Has Uneven Stitches
Is the thread tension correct?
Is the thread you are using thick or slubbed?
Is the bobbin thread evenly wound?
Is a correct needle used?
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Attach correct presser foot.
Change the needle.
Attach Sensor Q-Foot.
Insert needle correctly, see Changing the Needle, page 29.
Use needle system 130/705 H.
Use a needle suitable for selected fabric and thread. See
Selecting Correct Thread/Needle Combination, page 31.
Insert a new needle.
Remove the thread completely and rethread the machine, see
Horizontal Spool Pin, page 29.
Change the needle to the proper size for the thread.
Change to a new high quality thread purchased from an
authorized HUSQVARNA® VIKING® retailer.
Try a different spool pin position (vertical or horizontal).
Change the needle plate.
Lower the thread tension in small increments until problem is
solved.
Use only the original bobbins approved for this model.
Check the bobbin thread.
Change the needle plate.
Clean lint from bobbin area and use only the original bobbins
approved for this model.
Wind a new bobbin.
Check needle thread tension.
Remove the thread completely and rethread the machine, see
Horizontal Spool Pin, page 29.
Change the thread.
Check bobbin winding.
Insert a proper needle correctly as described, see Changing
the Needle, page 29.
Use a needle suitable for selected fabric. See Selecting Correct
Thread/Needle Combination, page 31.
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