1. Light Source Damage
Due to natural or man-made reasons, the light source is damaged, which results in the solar street lamp system can not work, does not turn on when it is on, flickers and so on.
Solution: Maintain or replace the light source.
2. Damage of solar panels
In the case of solar panels without any load connected to a multimeter to test its voltage, the general operating voltage of the system is 12v, normally higher than 12V voltage, only voltage higher than 12V can be charged to the battery, if less than 12V can not be charged to the battery. Solar street lamp system can not work or the working time is insufficient.
Solution: Replace solar panels.
3. Connection of positive and negative poles of solar panels
The solar yard lamp system will only turn on once after installation. When the battery is used up, the solar yard lamp will never turn on again.
Solution: Changing the positive and negative poles of solar panels.
Above is about the reasons and treatment of solar courtyard lamp not on. In order to ensure the normal work of solar courtyard lamp, regular maintenance and inspection is essential. Of course, once a fault occurs, as long as it is solved according to the method, it will be solved.