Originally Posted by
Grace creates
The machine just keeps running even when you take your foot off the foot petal.
Before you run out and buy a new pedal...it is entirely possible that the pedal wires are on the wrong terminal.
Here's a QB thread about wiring diagrams
https://www.quiltingboard.com/blogs/jljack-1349.html
with a very nice pic of the where the wires are supposed to go on a 221.
If the pedals wires are on the wrong posts.... it won't stop running.