The memory card may not be ATA compatible or CompactFlash certified. Memory cards must be ATA compatible and CompactFlash certified to work with the camera. Ready light does not turn on and the camera does not work. Batteries are low or empty. Replace the batteries or use the AC adapter.
Pictures remain in the memory when the batteries are removed.
Camera is not on. Turn on the camera and verify that the green Ready light is on. Ready light is red. No memory card in camera or the memory card is full. Insert a new memory card.