On the Perfect Stitch system because the pulley on your system has most likely changed, you will need to set the ratio of the pulley. This is easily done, follow the attached document to set the proper pulley ratio on your machine.
The way to know if this needs to be done is:
- Your needle is not stopping in the proper up position, when it previously was.
- You have confirmed the diagnostics of your system and all are reading properly.
Download Doc here: reset motor ratio