Solar String Lights Not Working-7 Troubleshooting Tips

Last updated on October 13th, 2023 at 07:40 pm

If your solar string lights are not working, do not worry. Because I would solve your problem in minutes.

It is not necessary that your lights have failed. Instead, they have some temporary issues. Hence, it can be fixed at home. Here are the solutions you should try.

1. Remove the Pull Tab

If your solar string lights are brand new, let them charge before using them. Because they are not fully charged. Another thing is to remove the battery tab or strip.

The strip or pull tab is present between the battery and terminal. It is used to preserve the batteries from draining out during shipping. So, you have to remove the pull tab or strip before using it.

2. Deep Charge Your Lights

A common reason behind solar lights not working is an insufficient charge. The sunlight is not available in plenty or the batteries are not fully charged. You should apply the deep charge technique.

  1. Switch OFF your solar string lights.
  2. Charge them fully for 72 hours.
  3. Do not use lights while they are on a deep charge.
  4. After 72 hours, turn the lights ON and check.

3. Check the Cable and Connection

Solar string lights are connected to the panel via cable. This connection wire may be damaged or faulty. Therefore, your lights cannot get power. So, examine the entire cable. Look for any exposed or damaged areas.

Solar String Lights Not Working-7 Troubleshooting Tips

Tape the defective parts. Sometimes, animals chew the cable. If it is too damaged, replace the connection cable. Moreover, plug the cable firmly into the panel. Make sure the connection is not loose.

4. Clean the Solar Panel

As you know, sunlight is very essential for running solar lights. So, if the panels are dirty, the quality of light can be compromised. Since they are installed outdoors, solar panels are vulnerable to dirt and moisture.

All you have to do is clean your panels fully to remove any dust or debris.

  1. First, remove the dirt with a dry cloth.
  2. Scrub a soft cloth to remove sticky marks or debris from the surface.
  3. You can wash it off with clean water.
  4. Let the panels dry in the air.
  5. Once they are completely clean and dry, check the lights again.

5. Check the Sensor

Solar lights are equipped with a light-sensitive sensor. It shuts them off during the day and turns them on during the night. However, a faulty sensor leads to a problem.

The string cannot differentiate between day and night. Hence, the power is drained out during the day. The solution is to manually switch off the lights during the daytime. Fix the sensor to solve the issue permanently.

6. Replace the Batteries

One of the main reasons is that the batteries of your solar string are expired. Most solar lights come with rechargeable batteries that store power.

However, these batteries can die after living their lifespan. So, check and replace the dead batteries. Purchase a high-quality product for replacement.

7. Check for Water Damage

Almost all solar lights come with Ingress Protection. This feature protects them from harsh weather and water damage. However, still they can suffer water intrusion.

If water enters the panels, it damages the circuit board and wiring. Thus, your strings stop working at all.

Tips to Increase Lifespan of Your Solar Lights

If you maintain the lights properly, they can last longer. Here are a few tips to increase the lifespan of your solar strings;

  • Clean the solar panels regularly.
  • Recharge the batteries fully before using them.
  • Install the panels according to the recommended guidelines.
  • Check and replace the batteries if they are dead or expired.
  • Install solar panels where they can get maximum sunlight.
  • Protect your decorative lights from extreme weather conditions such as heavy rain or storms.
  • When not in use, store the lights in a safe and dry place.
  • Do not place panels or lights near street lights.
  • Make sure there is no obstruction between the panels and the sunlight.

FAQs Regarding Solar String Lights

Here are some common questions users ask. The same questions are likely to come to your mind regarding solar string lights.

How long solar string can light last?

Solar string lights can last up to 10 years or more. However, their batteries need replacement every 3-4 years. The lights fail to maintain charge if they are dying.

What types of batteries are used in solar lights?

Solar lights do not use regular alkaline batteries. Because they are disposable, not rechargeable. While all solar lights use rechargeable batteries. They have to store power and then supply it to the lights.

Can I repair broken solar string lights?

Minor faults can be repaired by wrapping electrical tapes. However, a faulty wire can be replaced. Use the new wire of the same gauge. Cut the damaged part. Now, join the fresh wire with tape or a solder.

Where is the sensor located on solar lights?

You can find the sensor under the solar panel. It is like a small eye or cover. Move your finger around the solar panel to locate the sensor. If the sensor goes faulty, your lights cannot work properly.

Can solar lights work in cloudy weather?

Yes, solar lights can still charge on cloudy days. The lights can work with the stored energy. They can also charge in partially cloudy weather. You can also install mirrors to capture sunlight.

Also Read: How To Charge Solar Lights First Time Ultimate Guide

Final Thoughts

If your solar string lights are not working, you should check some basic things. Moreover, applying some simple troubleshooting tips can also help. Tell us in the comment section which of my tips fixed your problem.