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Jack c4 sewing machine automatically cuts the thread after getting on the bus. What happened?
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Jack c4 sewing machine is not tangent.
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Jack c4 sewing machine doesn't cut thread. Hello, dear, it doesn't cut thread. Treatment method 1. Check whether the connecting wire between the electronic control and the machine head is plugged in properly; 2. Whether the pruning method is correct; Inspection method: Check whether the F-clipper and B-clipper lights on the display screen are turned on. For the opening mode, press the clip mode key, adjust it to "3", and then press the "OK" key to save. ? 3. Pull the wire cutting electromagnet up and down to check whether it is flexible; (Not flexible, it is suggested to check whether there are foreign objects in the cutter set or replace the wire cutting electromagnet)? 4. Check whether the indicator lights of the three sensors are always on; The machine is normal. The sensor light is not on. (Note: the sensor is not shielded). ? Check whether the induction beads in the red circle of the machine are blocked by garbage and dust. If there is no cloth blockage, the post-induction and anti-cutting induction lights are always on; If it is cleaned immediately, please check whether the lights of the rear sensor and the anti-cutting sensor are always on after cleaning. ? Debugging operation steps: 1, press the P key +OK key for about 1.5 seconds at the same time, and the screen will display P-26; 2. After induction lamp lights up for a long time: right click to adjust to the P-38 parameter; Key display100; Press the key to increase the value 100 (100-255), then press the "OK" key to save, and adjust it until the rear sensor light goes out (the sensor bead is not covered) for normal thread cutting. (1.9 version can only adjust the P-38 parameter; P-67 parameter can be adjusted above version 2.0, and 1 can be changed to 0). 3. The anti-cutting cloth induction lamp is always on: press the right button to adjust to the P-33 parameter; Key display100; Press the upper key to increase the value of 100 (100-255), and then press the "OK" key to save it, and adjust it to normal thread cutting when the anti-cloth sensor light is off (the sensor bead is not blocked). (1.9 version can only adjust P-33 parameters; P-68 parameter can be adjusted after version 2.0, and 1 can be changed to 0). I hope I can help you.