Foydalanish vaqtida toroidal transformatorni o'rash mashinasining paydo bo'lishining sabablari.
1. O'rash mashinasining sifati yaxshi emas;
2. Aylanadigan ilgakning burmalari bor;
3. Igna plastinkasini o'rash mashinasining tish teshiklarida burmalar mavjud;
4. Ipda burmalar bor (ayniqsa, ipni olish dastagi);
5. O'rash mashinasining sim tutqichi juda qattiq yoki tirnalgan;
6. Ip olish prujinasining tarangligi juda katta;
7. Mis simning sifati juda yomon.
