Solar Lights Not Working? Steps for Troubleshooting

Troubleshooting of not working solar lights. Solar lights offer a cost-effective, low-maintenance solution for lighting outdoor spaces. Troubleshooting solar lights not working is a relatively simple process. However, some knowledge of solar lighting and the components that comprise a solar light system is necessary. Before attempting to troubleshoot a solar light, it is important to understand the basics of how a solar light system works.

Solar lights are an increasingly popular way to bring light to areas that are not typically connected to the power grid. Unfortunately, they can sometimes run into issues with their efficiency or performance. To help troubleshoot these issues, it is important to understand the basics of solar light and how its components are connected. It’s crucial to look at the environmental factors that can harm solar lights and how to fix them.

Troubleshooting methods for solar lights not working:

Troubleshooting solar lights is a key skill for anyone looking to work in the solar industry. This article will review various common problems encountered in the working of solar lights and guide how to resolve them.

1- No lighting at night, but there are indicators

1. The green light flashes.

When the green light of the solar is on, it means the battery is full. There is bright light around, which means a new day has started. And if the weather is clear, the sun will be good. So, it will get more energy and the temperature will be good. You should first check that the battery is fully charged and there is no need to replace the controller by looking at the ambient light.

2. The red light is flashing and the load is not on.

Even when there is no load, the red solar light is flashing. The batteries aren’t charging, and the sun has set. This is a difficult situation. Even when there is no load, the red solar light is flashing. This is an emergency and the situation must be corrected immediately.

Finding the problem’s origin is the first step. There are several potential causes for this issue. The most frequent problem is that the batteries aren’t giving the system adequate power. If there is a problem with the controller then just change it. And if there is still a problem with the load then change the solar LED lights.

3. The red light is always on and the battery is not powered.

If the weather is bad for a long time and the sun does not come out. The charging of the batteries will be low. And if the green light is on, it means that the charging is normal.

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2. No lighting at night, no indicator light on the microwave sensor

The lack of lighting at night combined with the absence of a traditional indicator light on the microwave sensor of solar energy means navigation will be difficult. Furthermore, issues arise when attempting to identify potential obstacles or dangers in the darkness.

To complicate matters further, the lack of light also made it difficult for people to identify specific areas that could be used as landmarks for navigation. The lack of light could also cause individuals to become lost or disoriented in unfamiliar environments, making their journey more difficult and dangerous.

During the night, when darkness is usually the norm, there is a special challenge to overcome: no lighting. This can be a problem for navigating around with no indicator light to help guide the way. Additionally, this darkness also affects the use of solar energy as it can’t be converted into electrical energy unless there is light.

To make sure that solar energy is still captured and used, a microwave sensor has been developed to help detect movement in the dark.

4. Short lighting time at night

You should also check that there are no big trees around the solar lights due to which the rays of the sun cannot reach the solar. If so, remove these trees.

Also, check that the solar plates are installed correctly in the direction of the sun. If not so adjust their angle correctly.

Then check that there is no dust etc. on the solar plates. If so, clean it well so that your solar panels can charge properly and have high performance.

Why do solar streetlights need to set battery protection voltage?

Solar streetlights are an important component of street lighting systems. They are powered by solar energy and are often used in remote locations where access to electricity is not available. For the efficient functioning of solar streetlights, it is necessary to set the battery protection voltage.

To ensure that the battery will not experience overcharging or over-discharging. Setting the battery protection voltage is important for increasing the life and performance of the battery. As well as preventing any fire hazards due to overcharging or over-discharging.

Solar streetlights are a practical and sustainable way to light up roads and streets. They use photovoltaic cells to capture energy from the sun and store it in a battery. This battery powers the streetlights at night. To keep the battery from being overcharged or over-discharged, which can reduce its lifespan and cause the lights to stop working, it’s important to set the battery protection voltage. This prevents the battery from being damaged and ensures that the streetlights will continue to function properly.

Solar streetlights play an important role in providing light for roads and paths, improving the safety and convenience of pedestrians and vehicles. As the world shifts towards sustainable and renewable energy, solar streetlights are becoming more and more popular. Solar streetlights are powered by solar panels and rechargeable batteries.

Why does the battery run out?

Without the correct setting for battery protection voltage, the solar street lights can be overcharged, and over-drained and their battery can run out of power quickly. This happens when the system draws too much current from the solar panel and the battery cannot keep up with the demand. The result is a shorter lifespan for the solar street lights as the battery must be replaced more frequently.

It is important to set the correct protection voltage to ensure that the solar streetlights can perform optimally and last as long as possible.

When the sun is out, solar energy is collected by the panels and stored in the battery. This energy is then used to power the streetlight. When the sun sets and the solar panels are no longer able to collect energy, the stored battery power is used to keep the light running. This stored energy will eventually run out, and that is why it is important to set the protection voltage correctly to maximize the amount of energy that can be stored and used by the streetlight.

The battery protection voltage is an important part of the solar streetlight system, as it prevents the battery from being overcharged or over-drained, both of which can damage the battery and reduce its lifespan. Without the proper battery protection voltage set, the battery will run out of solar energy faster, as it won’t be able to store any energy it is receiving.

As such, this voltage must be set correctly to ensure that the solar streetlight system is running as efficiently and safely as possible. In addition, regular maintenance and cleaning of the system components should also be undertaken to ensure that the solar streetlights are functioning optimally.

How to activate a protected battery?

Activating the protected battery of a solar streetlight is quite simple and only requires a few steps. First, the voltage must be set to the desired level, usually between 11.5 and 15 volts. Then, the battery must be connected to the solar panel and a controller. Which helps to regulate the battery protection voltage. Finally, the controller should be connected to a power source, such as an outlet or generator. To provide the necessary power to activate the protected battery.

To activate the protected battery of a solar streetlight, the battery must first be connected to a controller board. The controller board will then activate the battery protection circuit, which will regulate the voltage of the battery and ensure it stays within the desired range. This protection circuit will also prevent the battery from being overcharged or drained too quickly.

Once this protection is enabled, the solar streetlight will be able to supply enough energy to keep the lights running. While also protecting its battery from damage.


In this article, I have explained in great detail how you should troubleshoot your not working solar lights. This article is written for your convenience. After reading this, hopefully, you will have an idea of ​​what to do whenever there is a troubleshooting issue. Hope you like our effort,

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