Follow the instructions below:

• Check that the batteries are correctly inserted.
  
  The batteries are needed to be with the positive end of the bottom three batteries pointing toward the top end of the machine, and the positive end of the top three batteries pointing in the opposite direction.
  
  


• If the batteries are weak, replace them.
  Be sure to replace all of them with six AAA alkaline batteries at a time.


• Check that the AC adapter is correctly connected.
  1. Insert the plug on the adapter cord into the adapter socket on the bottom end of the machine.
  2. Insert the plug into the nearest standard electrical outlet.