Question about Brother PE770 PE 770 Embroidery Machine
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Posted on Jan 02, 2017
SOURCE: brother 270D
This has to have thread sensors, other wise it would run through the entire embroidery process even if there were no thread at all. Check the thread sensor or sensors, they may have malfunctioned, be misaligned, need cleaning, or be blocked by something.
Posted on Jul 25, 2008
hello, I had the exact same problem and could not find the solution until i took my machine to my sewing sensei and i solved my tedious problem. It was actually not a tension problem at all but a threading problem. Make sure you have threaded your bobbin correctly and that when you pull on the bobbin thread that the bobbin turns the right way. (mine must spin anti clockwise to work) Make sure that when you pull up the bobbin thread using the needle that it is not over the feed dogs connective bar but under it. A big problem when the thread gets caught around the bobbin case wheel is that the thread is looped around the feed dogs once and that causes the thread to get caught around the bobbin wheel. In conclusion, thread the bobbin correctly and read over your instruction book before spending the money to get it fixe in s shop.
Posted on Mar 31, 2009
SOURCE: BOBBIN PROBLEM
Firstly check that you have the correct bobbin for your machine, there are many bobbins that will fit in the bobbin case and sew ok, but the hole in the centre is what matters. If you do not have an original try putting the bobbin on the winder spindle with a small piece of paper inside the centre of the bobbin so it is tight on the shaft.
If that does not work it usually means the winder rubber on the bottom of the cover is worn or stuck, this part often looks like a large O Ring.
Posted on Jul 02, 2009
Check to see if the thread coming off the spool is tangling on the spool pin or getting caught in the crack on the spool top where the thread originally comes off spool. Make sure the spool pin is pushed all the way to the right to secure your thread and then back it off slightly so the thread pulls evenly off the spool. Whenever your bobbin thread gets bunched it is usually something is wrong with the threading of the UPPER thread and vice versa. Let me know if this solves your problem.
Posted on Aug 23, 2010
try a tension a 3 to 5 on the top tension
try changing to a needle or if it's a new needle make sure the flat side of the needle faces the back of the machine and pushed all the way up into the needle holder
make sure the needle & thread are correct for each other, if the needle is to thin or to heavy for the fabric it will not work
Posted on Aug 27, 2011
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