Fix Fault Frister & Rossmann

My Frister & Rossmann cub sewing machine has worked well for years. It has now suddenly gone berserk working at high speed even without depressing pedal. Can you help?

how do I get a zig zag stitch on my Frister & Rossmann cub 7?

Frister & Rossmann Electronic Cub 8. The repair guy said the electronic card had died, what can I do?

HI I recently oiled my Frister & Rossmann sewing machine cub 4. I've never oiled it before! Today I sewed with it for 30 minutes and it suddenly went very slow. I'm worried I put oil on the wrong part ... more

The top thread on my Frister and Rossmann Fantasy 972 loops no matter what I do. Adjusted the top and bottom threads makes no difference. I noticed the top thread catches between the bobbin case and a ... more

Frister Rossmann Quilter 681C needle hits retainer under bobbin case holder. (breaking needles) Is it the timing? how do I adjust it? No repair manuals available despite internet search. Instruction b ... more