TROUBLESHOOTING170Needle breaks The needle is installed incorrectly. Reinstall the needle correctly. 34The needle clamp screw is not tightened. Tighten the needle clamp screw. 35The needle is bent or blunt. Replace the needle with a new one. 34The thread or needle is not suitable for the typeof fabric being sewn.Check the table of fabric, thread and needlecombinations, and select the appropriatecombination.36The wrong presser foot was used. Attach the correct presser foot. 179The upper thread tension is too strong. Adjust the thread tension. 43The fabric is pulled during sewing. Do not pull the fabric during sewing. −The spool is installed incorrectly. Reinstall the spool correctly. 29There are scratches around the hole in theneedle plate.Replace the needle plate, or consult yourauthorized retailer.−There are scratches around the hole(s) in thepresser foot.Replace the presser foot, or consult yourauthorized retailer.−There are scratches on the race. Replace the race, or consult your authorizedretailer.−The needle is defective. Replace the needle. 34Fabric does not feedthrough the machineThe feed dogs are lowered. Use the feed dog position switch to raise the feeddogs.81The stitches are too close together. Lengthen the stitch length. 42The wrong presser foot was used. Attach the correct presser foot. 179The needle is bent or blunt. Replace the needle with a new one. 34The thread is tangled. Use scissors, etc., to cut the tangled thread andremove it from the race, etc.−Machine does not operate There is no pattern selected. Select a pattern. 48, 88, 114, 151The “Start/Stop” button was not pressed. Press the “Start/Stop” button. 38The main power switch is not turned on. Turn the main power to on. 16The presser foot is not lowered. Lower the presser foot. 38The “Start/Stop” button was pressed while thefoot controller is connected.Remove the foot controller, or use the footcontroller to operate the machine.11, 39The foot controller was pressed to beginembroidering.Remove the foot controller and use the “Start/Stop” button to operate the machine.11Embroidery unit does notoperateThere is no pattern selected. Select a pattern. 48, 88, 114, 151The main power switch is not turned on. Turn the main power to on. 16The embroidery unit is not attached correctly. Reattach the embroidery unit correctly. 112The embroidery frame was attached before theunit was initialized.Perform the initialization process correctly. 113LCD cannot be read The LCD contrast is not properly adjusted. Adjust the LCD contrast. 21, 166Problem Cause Solution PageCAUTION• This machine is equipped with a thread detection device. If the “Start/Stop” button is pushed before the upperthreading is done, the machine will not operate properly. Also, depending on the pattern selected, the machine mayfeed the fabric even if the needle is raised. This is due to the needle bar release mechanism. At these times, themachine will make a sound different from that made during normal sewing. This is not the sign of a malfunction.• If the power is disconnected during sewing:Turn the main power to OFF and unplug the machine.If you restart the machine, follow the instructions for operating the machine correctly.
