Disclaimer

SewingFixer provides guided troubleshooting based on the symptoms you describe and general sewing machine mechanics. It's not a substitute for a qualified technician, especially where internal mechanical or electrical repair, disassembly, or timing adjustment is involved — when that's the likely cause, we'll tell you plainly rather than walking you through it.

Always unplug your machine before any physical check unless a step explicitly says otherwise, and don't open internal electrical components unless you're qualified to do so.