1. Interrupt the power supply by removing the batteries.
2. Let the unit stand for 10 seconds, then replace the batteries.
3. The unit will now be ready to play again.
4. If the unit still does not work, replace with an entire set of new batteries.  

NOTE:  To preserve battery life, the Wireless Controller will automatically go into sleep mode after approximately 1 minute without input. The unit can be turned on again by pressing the D-Pad, Home Button, A Button or B Button.