The stepper driver alarm is reflected by the product status indicator light. Generally, the stepper driver has two red and green status indicators, of which each manufacturer has a different definition of traffic light flashing, the following three-step driver as an example, the green light is the power indicator, when the driver is powered on, the green light flashes; The red light is a fault light. When an overvoltage or overcurrent fault occurs, the fault indicator blinks. After the fault is rectified, the red light turns off. Technicians can determine the fault type by the number of blinking red and green lights.
