This is an indication of a bad charger. It is possible that yours simply malfunctioned, however it is also easy to accidentally try to plug in the charger upside-down which will result in the same effect. (See illustration below)
Please contact us for a replacement - Contact us (click on the icon in the lower right corner of this screen) & briefly explain your problem and include your mailing address so we can send you a replacement charger. Note: we are unable to ship outside the lower 48 United States.