Does the light come on when you turn the unit on?
Yes - Your battery is in good working condition
No - Has the unit been plugged in and turned off for at least 12 hours between uses?
Yes - Test the charger
No - Plug the unit in and charge it for at least 24 hours. If this does not work test the charger.
Testing the charger
If you have a voltmeter you should be able to measure 14V between the pin to the ring. If you do not have a voltmeter, touch the end of the charger to your tongue. You should feel a small sting.
Yes - Contact BrainMaster, 440-232-600, for an RGA # to retrurn the unit for repairs
No - Contact BrainMaster, 440-232-6000, for a new charger. When you receive the charger charge your unit.