: A rapid "hyper-flash" is your car's way of telling you a bulb is dead. If there is no blinking at all, check the fuse or the bulb sockets for corrosion.
If you are asking about your Amazon Blink home security setup, the "solid piece" of hardware that causes the most trouble is the . It relies on a specific sequence of solid and blinking LED lights to tell you what is wrong. Diagnosing Turn Signal Problems
If you are dealing with a car blinker that continuously flashes and won't turn off automatically, or conversely, a dashboard arrow that stays lit as a solid piece of light instead of blinking away, it is usually caused by a failure in a specific mechanical or electrical component.