How to Repair Solar Street Light – AUTIGO Guide

Updated on July 9, 2025 | By AUTIGO Solar Street Light Manufacturer

Solar Street Light Repair Guide

Common Issues in Solar Street Lights

Before jumping into repairs, you need to identify the problem. Here are the most common issues:

ProblemPossible Cause
Light not turning ONBattery dead, controller fault, or damaged LED
Dim lightLow battery, dirty panel, or degraded LED
Light turns ON/OFF irregularlyFaulty sensor or controller
Charging issueDusty or broken solar panel, loose connections

Step-by-Step Repair Process for Solar Street Light

1. Check the Solar Panel

  • Clean the panel with a soft cloth.
  • Use a multimeter to check output voltage in sunlight (17V–22V for 12V systems).
  • Replace the panel if output is consistently low.

Buy panels from AUTIGO Solar Panel Range

2. Test the Battery

  • Check for corrosion on terminals.
  • Use multimeter (12V battery should show 11.5V–13V).
  • Replace if below 10.5V.

Visit AUTIGO Battery Section for replacements.

3. Inspect the LED Light

  • Test LED with external power.
  • If flickering or dead, replace the LED chip or driver.

4. Check the Charge Controller

  • Inspect for rust, burn marks, or loose wires.
  • Replace if system doesn’t function even with healthy panel and battery.

Read: How to Choose Solar Charge Controller

5. Sensor Troubleshooting

  • Cover the panel during the day to test dusk sensor.
  • Replace sensor or reset controller if light doesn’t respond.

Tools You Need

  • Multimeter
  • Screwdriver set
  • Wire stripper/crimper
  • Electrical tape
  • Replacement parts (battery, controller, LED, panel)

Safety Tips

  • Switch OFF power before repairs.
  • Wear insulated gloves.
  • Avoid working during rain or wet conditions.

Where to Buy Spare Parts?

AUTIGO provides OEM-quality replacement parts including:

  • Solar panels
  • Lithium batteries
  • LED modules
  • Smart controllers
  • Complete pole systems

Visit Our Shop

Maintenance Tips

  • Clean panels every 2 to 4 weeks.
  • Check battery health every 6 months.
  • Inspect joints and wires annually.
  • Use weatherproof connectors.

Frequently Asked Questions (FAQs)

Q1. Why is my solar street light not working at night?
Battery may be dead or solar panel not charging. Check controller too.

Q2. How long do solar street lights last?
10 to 12 years with regular maintenance. Battery replacement every 3 to 5 years is common.

Q3. Can I upgrade old solar street lights with LiFePO4?
Yes, AUTIGO offers retrofit kits.