Issue link: https://docs.hic.us/i/445631
70 Check items before embroidering Chapter 4 SQ01 6-2. Embroidery head Check the position of the following tension base switch, needle bar suspension lever, middle thread guide adjusting lever before embroidery. Regarding the tension base switch and the needle bar suspension lever, embroidery is possible only when both of them are set to "ON". (1) Tension base switch This switch will suspend the head electrically. The switch manipulation during operation of the machine is invalid. Even if the switch manipulation is performed, it will become effective after the machine stops. Tension base switch Green Red Unlit Lit OFF Thread breakage indicator lamp Lit in green Embroidery is possible. Unlit Embroidery is suspended. (Needle bar will not move down.) Blinking in green Frame back section at the head without thread breakage. The lamp at the head without thread breakage blinks in green during frame back. Regarding frame back, refer to the detail page (p.74). Lit in red Upper thread breakage Blinking in red Under thread breakage