Brother International BE-1201B-AC Instruction Manual - English - Page 235
Are the needle bar clamp and the top dead center stopper, positioned correctly?
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Chapter 12 Troubleshooting Problem ! Machine operation abnormal ! Upper shaft locks at a certain point in one cycle Check point • Is any set screw of the rotary encoder loosened? • Is any set screw of the machine pulley loosened? • Is any set screw of the machine motor pulley loosened? • Is embroidery data normal? • Is the XY carriage belt damaged? • Are any set screws for the XY pulley loosened? • Are any set screws for the coupling of the XY pulse motor loosened? • Is the thread take-up stopped due to interference with the upper case cover? [Adjustment]] Thread take-up Upper case cover Bolt Needle case Thread take-up operating lever ! Upper shaft pulley does not turn. ! Stitches cannot be made.. W1635 Loosen the hexagon socket head cap screw of the thread takeup operating lever and adjust the take-up movable range. Tighten it securely afterwards. • Are the needle bar clamp and the top dead center stopper positioned correctly? • Is the presser foot lifted at a retract position when the power is turned on? Lower the presser foot using the lever. • Is the needle attached properly? • Is the timing of the needle and rotary hook correct? Check these points once again BE-0901E-AC-PC• BE-1201B-AC-PC 12-3