There are usually four reasons why the solar street lampcan't light up at all. The common one is that the controller in the light pole is flooded and a short circuit occurs. Therefore, firstly check whether there are water marks and rust on the terminal of the controller. If this happens, it is most likely that the controller is damaged due to wate. After the solar street light has been used for a period of time, even if there is enough sun light at day, it may encounter that the lighting time of street light is short and the lighting cannot be provided normally on cloudy and rainy days. The cause of this situation is likely to be a problem with the battery and its power storage capacity is re. When installing solar street lamp, some customers may encounter such a problem. The LED light source turns on as soon as it is installed and cannot be turned off. When this happens, first check whether the positive and negative poles of the solar panel are connected correctly. If the connections are reversed, correct them in time. Then use a multim. There are two reasons for this problem. First, if the light source is made with false welding, it is easy to cause this. Therefore, it is necessary to replace the corresponding lamp beads and then weld firmly to solve the problem; Second, if the inspection finds that all the light sources are well welded, but some of the lamp beads are not bright,. There are many reasons for this phenomenon. First, you can replace a new lamp. If this problem persists after replacement, then there may be a problem with the cables or others, and you need to check whether the cable interface is in good contact. If there is no problem with the wiring and the light source is still flickering, you need to check the.
