Why is my embroidery machine making a bird's nest?

The most common reasons an embroidery machine makes a bird's nest are incorrect upper threading, improper bobbin installation, loose thread tension, a needle problem, or thread getting caught in the thread path.

Upper thread is not threaded correctly
This is one of the most common causes of a bird's nest. If the upper thread is not properly seated in the tension discs, it can become loose and create a large bundle of thread underneath the fabric. Remove the thread completely and rethread the machine carefully.

Bobbin is installed incorrectly
Check that the bobbin is facing the correct direction and that the thread is properly seated in the bobbin tension guide. An incorrectly installed bobbin can quickly cause thread to bunch underneath the fabric.

Thread tension is too loose
If the upper thread tension is too loose, excess thread can collect underneath the fabric and create a bird's nest. Check your machine's tension setting and make small adjustments while testing on scrap fabric.

Needle is damaged or installed incorrectly
A bent, dull, or incorrectly installed needle can prevent the upper thread from forming stitches correctly. Replace the needle with a new embroidery needle and make sure it is inserted properly.

Thread is catching
Check the entire thread path for anything that could snag the thread, including the spool, thread guides, tension area, and needle. The thread should feed smoothly without catching.

Fabric or stabilizer is moving
If the fabric shifts while the machine is stitching, the thread can become loose and tangle underneath. Make sure the fabric and stabilizer are securely hooped.

Bobbin area needs cleaning
Lint and broken thread around the bobbin case and hook area can interfere with proper stitching. Turn off the machine and clean the area according to the manufactu

Have another question? See all the answers in our machine embroidery designs FAQ.