Solar street light troubleshooting
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When a solar street light fails, you can troubleshoot it by following the steps below:

1.Check the controller:

Check whether there is water stains and rust on the wiring terminals of the controller. If so, it indicates that the controller may have been damaged by water.
Use the resistance range of the multimeter to measure the resistance at both ends of the loop. If the resistance is too small, it indicates that there is a short circuit and the controller needs to be replaced.

2.Check the battery:

Use the battery voltage measurement tool to check the battery voltage. If the voltage is lower than 11V, it indicates that the controller may be in a protection state and the light should be fully charged before use.
If the voltage is higher than 11V, it indicates that the controller is faulty and needs to be replaced.

3.Check the solar panel:

Under normal working conditions, check whether the solar panel has voltage and current output. If there is no output, it indicates that the panel may be damaged and needs to be replaced.
Check the light source:

Connect the LED light source to the battery or DC12V power supply to check whether it can light up normally. If the light does not light up, it indicates that the LED light is faulty and needs to be replaced.

4.Check the circuit:

Check whether the circuit is aging, broken, short-circuited or the terminal is in poor contact, which may cause the solar street light to not work properly.

5.Clean and maintenance:

If there is dust on the solar panel, it should be cleaned to improve the power generation efficiency.

Through the above steps, common faults of solar street lights can be effectively diagnosed and solved. If the problem still exists, it is recommended to contact a professional solar street light installation and maintenance service for processing.

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