Cables cables cables! Events can be hectic with lots of movement. The most common occurrence of a malfunctioning POS system is a loose or dislodged cable. Quickly check the top right corner of the iPad's screen to see if it is charging. If it is not, refit all connection points between the stand and power outlet including accessory devices. Examine for wet equipment, especially at bars, if too much moisture accumulates on the hardware the equipment may be damaged and needs to be replaced. If this doesn't solve your problem - give our team a call here and we will be happy to help troubleshoot the cause.