Issue link: https://docs.hic.us/i/852277
40 Chapter 3 How to Perform Embroidery 3 When thread breakage is detected, the machine stops automatically and an error is displayed. You should deal with this in the following methods, depending on the content of the error. When "Upper Thread Break" (291) is displayed. Re-thread the upper thread through the needle. When "Bobbin Thread Break" (293) is displayed. Take the bobbin case out of the rotary hook, and check the condition of the under thread. If the under thread is not threaded properly in the bobbin case, correct this by re-threading it. Also, if there is no longer any bobbin thread, or if there isn't much thread left, replace the bobbin. "2.3 Setting the under thread" Once the thread breakage issue has been dealt with, press the [START] button on the operation panel. Embroidery will resume. 3.2.9 When thread breaks during embroidery Repair stitching can be carried out at the place where the thread broke by reversing/advancing the frame using and at the bottom of the Paused screen. "4.9 Returning frame/advancing frame according to design"