Bernina Sewing Machines - Recent Questions, Troubleshooting & Support

Sounds like you may need to have the tensions adjusted. If the bobbin thread is showing on top, the bobbin tension may be too loose. If the top thread shows underneath, the top tension is probably too loose. Since you are having both problems, perhaps a technician should take a look at it.

Bernina Sewing... | Answered on Jun 14, 2019

The "repair guy" is obligated to return your machine in no worse condition tht he received it. Definitely is his problem.

Bernina Sewing... | Answered on Jun 11, 2019

May be worn brushes or dirty commutator or a small value capacitor not doing its job ... etc

Bernina Sewing... | Answered on Jun 10, 2019

There is a small black plastic finger that engages the needle bar and if it gets stuck with old or sticky oil it will require some patience and dexterity to spray with oil degreaser and flexing that lever until the old oil desolves and that finger can move once again forward and back This can be accomplished through the takeup lever slot in the front of the machine The only other way is to have a technician remove the entire needle bar/takeup lever assembly and clean and oil it properly

Bernina Sewing... | Answered on Jun 10, 2019

Likely the threads are stripped on the screw of the hoop
you should replace the long screw, but temporarily you could use a few washers so that the threads will engage with the nut

Bernina Sewing... | Answered on Jun 10, 2019

Be sure you do not have a bent needle and or a damaged shuttle, if the latter, one should really polish the shuttle and oil it well as if the shuttle is dry at all you will experience similar problems
wayne Buss

Bernina Sewing... | Answered on Jun 10, 2019

Try using a Metallica or top stitching needle
also check that the needle is inserted all the way up

Bernina Sewing... | Answered on Jun 10, 2019

Sometimes the foot control switching unit is faulty. Is it an electronic foot control?
Wayne Buss

Bernina 1008 | Answered on Jun 10, 2019

Never been serviced? Whoops, as an old tech, I'm not surprised, how often do you oil your machine and is it with quality Bernina oil or a light synthetic oil?
Have you checked the bobbin case tension? As you are using two types of thread there will always be some imbalance of tensions best when you are turning corners to slow down your movement that will help a bit, but you may have to tighten bottom tension
also another hint would be to use a Metallica or topstitching needle with a larger eye, allowing the upper thread to move more freely as the thread forms the stitches.
if you need further help
wayne Buss

Bernina Virtuosa... | Answered on Jun 10, 2019

Can I assume you mean the foot control does not work or do you mean the machine will not run
I have seen the set screw on the motor pulley come loose, thus motor whirling, and nothing moves
the side cover must be removed, then belts removed and the set screws on the motor pulley tightened

Bernina Sewing... | Answered on Jun 10, 2019

Is the bobbin winder engaged? Likely this is the problem
if not contact me
wayne Buss

Bernina Sewing... | Answered on Jun 10, 2019

You can tell a Bernina bobbin by the number of holes "7"
9mm diameter and 6mm width
the holes will be superimposed on each other so that in the newer machines the light sensor will work properly
less expensive Taiwanese, Japanese etc bobbins will have more holes. Also the centre tube on a Bernina bobbin is slightly smaller and thus will wind more evenly than a the alternative

Bernina Sewing... | Answered on Jun 10, 2019

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