Brother International Innov-ís 4000D Users Manual - English - Page 227

TROUBLESHOOTING Problem Cause Solution Page Needle breaks Needle is installed incorrectly. Reinstall the needle correctly. 34 Needle clamp screw is not tightened. Tighten the needle clamp screw. 35 Needle is turned or bent. Replace the needle. 34 Using improper needle or thread for the Check the "Fabric/Thread/Needle 36 selected fabric. Combination" chart. Wrong presser foot was used. Use the recommended presser foot. "STITCH SETTING CHART" Upper thread tension is too strong. Adjust the thread tension setting. 43, 154 Fabric is pulled during sewing. Do not pull the fabric during sewing. - Spool cap is set incorrectly. Check the method for attaching the spool cap, 25 then reattach the spool cap. There are scratches around the holes in the Replace the needle plate, or consult your 55 needle plate. authorized dealer. There are scratches around the hole(s) in the Replace the presser foot, or consult your 32 presser foot. authorized dealer. There are scratches on the race. Replace the race, or consult your authorized 210 dealer. Needle is defective. Replace the needle. 34 Fabric does not feed Feed dogs are set in the down position. Use the feed dog position lever to raise the 71 through the machine feed dogs. Stitches are too close together. Lengthen the stitch length setting. 42 Wrong presser foot was used. Use the correct presser foot. "STITCH SETTING CHART" Needle is turned, bent or the point is dull. Replace the needle. 34 Thread is entangled. Cut the entangled thread and remove it from - the race. Machine does not operate There is no pattern selected. "Start/Stop" button was not pushed. Select a pattern. Press the "Start/Stop" button. 48, 98, 130, 177 3 Main power switch is not turned on. Turn the main power to ON. 8 Presser foot is not lowered. Lower the presser foot. 3 "Start/Stop" button was pushed with the foot Remove the foot controller, or use the foot 39 controller attached. controller to operate the machine. Speed control lever is set to control the zigzag Use the foot controller instead of the "Start/ 39 stitch width. Stop" button to operate the machine. All keys and buttons have been locked by . Press buttons. to unlock all keys and 32, 34 Embroidery unit does There is no pattern selected. not operate Main power switch is not turned on. Select a pattern. Turn the main power to ON. 130, 177 8 Embroidery unit is not attached correctly. Reattach the embroidery unit correctly. 128 Embroidery frame was attached before the unit Perform the initialization process correctly. 128 was initialized. LCD display is difficult LCD contrast is not properly adjusted. to see Adjust the LCD contrast. 15, 212 Nothing happens, even if the LCD display is pressed The screen has been locked. Press either of the following keys to unlock the - screen. CAUTION • This machine is equipped with a thread detection device. If the "Start/Stop" button is pushed before the upper threading is done, the machine will not operate properly. Also, depending on the pattern selected, the machine may feed the fabric even if the needle is raised. This is due to the needle bar release mechanism. At these times, the machine 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. 216