If the machine does not start when you press the Start/Stop button or press the Foot controller, check the following possible causes and solutions.

• There is no stitch selected.
  
  Select a stitch pattern.
  For details on selecting a stitch pattern, refer to "Basic procedure to sew stitches".
  
  
   
• Presser foot is not lowered.
  
  Lower the presser foot.
  
  Refer to "Basic procedure to sew stitches".
  
  
   
• Start/Stop button was pressed with the foot controller attached.
  
  When the foot controller is connected, you cannot use the Start/Stop button.
  Remove the foot controller to use the Start/Stop button, or use the foot controller to operate the machine.
  
  
   
• The Start/Stop button was pressed while the machine is set to the mode to adjust the zigzag stitch width with the speed control slide. ([Width Control] is set to [ON] in the machine's setting screen).
  
  When [Width Control] is set to [ON] in the setting screen, you cannot use the Start/Stop button.
  Set the [Width Control] to OFF in the settings screen to use the Start/Stop button, or use the foot controller to operate the machine.
  
  
  
  Refer to "When the speed controller is set to control the zigzag stitch width, the "Start/Stop" button does not operate." appears on the LCD".
  
  
   
• The operation buttons and keys are locked by being set to the presser foot/needle exchange mode.
  
  Touch the Presser foot/Needle exchange key  to unlock the keys and buttons.