While you wait for answers, we may have found some information which could help you.
Success
Message
Delta NM 902?
Bernina Update 1630 work light not working?
Singer sewing machine 626 kno?
How can I mend my Frister & Rossmann sewing machine?
The thread loops under the fa?
Stuck Feed dog?
Sewing machine starts on its own?
Toyota SL3404D Overlocker leaving big loops?
Singer 188K1 presser bar stuck?
Frister & Rossman Cub7 Sewing Machine?
Parts spares?
Frister & Rossmann cub 7?