Where do I put the oil in my machine?

When I press the Start-Stop Button or Foot Controller, my machine makes a whirring noise, but the Needle bar does not move.

Why does the needle keep breaking?

When thread got tangled.

Incorrect thread tension

How to use the Multi-purpose Screwdriver. [ Position “1” ]

Thread tension [Video instructions]

How to use the Concealed Zipper Foot. (Optional accessory : SA128 / F004N) [Video instructions]

How to use the 1/4 inch Piecing Foot. (Optional accessory : SA125 / F001N, SA185 / F057) [Video instructions]