The reason why the Qily safety light has been red is always caused by this. There are many reasons for this. There are several reasons why the red light is always on:

1. The internal circuit of the safety grating is damaged, causing the light to be glazed, and the indicator light is always red;

2. The safety grating filter is too dirty;

3, the sensor is deflected, not glazing;

4. There is a problem with the connection cable of the safety grating, and a certain line is broken;

5. The distance of the safety light curtain exceeds the installation distance set by the light curtain itself.

Qily Sensor Technology (Dongguan) Co., Ltd. is a professional manufacturer of safety gratings and photoelectric protectors, providing you with professional, stable and safe infrared safety light curtain products.