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Recognize and Repair Solar Panel Issues: A Guide to Solar Panel Troubleshooting

Jan 26

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Solar panels are a fantastic investment for clean energy and reducing electricity bills. However, like any technology, they can experience issues that affect their performance. Recognizing these problems early and knowing how to address them can save you money and extend the life of your solar system. This guide will walk you through common solar panel issues, how to troubleshoot them, and practical steps for repair.


Understanding Common Solar Panel Issues


Solar panels are designed to be durable, but they are exposed to the elements and can develop problems over time. Some of the most frequent issues include:


  • Physical damage: Cracks, chips, or broken glass caused by hail, falling branches, or accidents.

  • Dirt and debris buildup: Dust, leaves, bird droppings, and other debris can block sunlight.

  • Wiring problems: Loose connections, corrosion, or rodent damage can interrupt power flow.

  • Inverter malfunctions: The inverter converts solar energy into usable electricity and can fail or underperform.

  • Shading issues: New obstacles like growing trees or construction can cast shadows on panels.


Each of these problems can reduce the efficiency of your solar system. Regular inspection and maintenance are key to keeping your panels working optimally.


Close-up view of cracked solar panel glass
Cracked solar panel glass from hail damage

Solar Panel Troubleshooting: Step-by-Step Guide


When you notice a drop in energy production or suspect an issue, follow these steps to troubleshoot your solar panels:


  1. Visual Inspection

    Start by examining the panels for visible damage such as cracks, discoloration, or dirt accumulation. Use binoculars if the panels are on a roof to get a closer look without climbing.


  2. Check for Shading

    Observe the panels at different times of the day to see if shadows are falling on them. Even partial shading can significantly reduce output.


  3. Monitor Energy Output

    Compare your current energy production with past data. Most solar systems have monitoring apps or displays that show real-time and historical performance.


  4. Inspect Wiring and Connections

    Look for loose wires, corrosion, or signs of animal damage near the panels and inverter. Turn off the system before touching any electrical components.


  5. Test the Inverter

    The inverter usually has indicator lights or a display panel. Refer to the user manual to interpret error codes or warning signals.


  6. Clean the Panels

    If dirt or debris is present, clean the panels with water and a soft brush or sponge. Avoid harsh chemicals or abrasive materials.


If you identify a problem beyond simple cleaning or tightening connections, it may be time to consult a professional for solar panel repair.


High angle view of solar panels being cleaned with water
Cleaning solar panels to remove dirt and debris

Does Homeowners Insurance Cover Solar Panel Damage?


Many homeowners wonder if their insurance policy covers damage to solar panels. The answer depends on your specific policy and provider. Generally:


  • Covered perils: Damage from fire, lightning, windstorms, hail, and vandalism is often included.

  • Excluded perils: Wear and tear, gradual deterioration, and damage from poor maintenance usually are not covered.

  • Additional coverage: Some insurers offer endorsements or riders to specifically cover solar panels.


It is important to review your policy carefully and speak with your insurance agent to understand your coverage. Documenting your solar panel system with photos and receipts can help in case you need to file a claim.


Preventative Maintenance Tips for Solar Panels


Preventing issues before they arise is the best way to ensure your solar panels perform well for years. Here are some practical maintenance tips:


  • Regular cleaning: Clean panels at least twice a year or more often if you live in a dusty area.

  • Trim nearby trees: Keep branches trimmed to avoid shading and physical damage.

  • Inspect after storms: Check for damage after severe weather events.

  • Schedule professional inspections: Have a certified technician inspect your system every 1-2 years.

  • Monitor system performance: Use monitoring tools to catch drops in output early.


By following these steps, you can minimize the risk of costly repairs and maximize your solar investment.


When to Call a Professional for Solar Panel Repair


While some troubleshooting and maintenance can be done by homeowners, certain issues require professional expertise. Contact a solar technician if you experience:


  • Persistent drops in energy output without visible cause.

  • Electrical issues such as tripped breakers or burning smells.

  • Damage to the inverter or wiring that you cannot safely access.

  • Physical damage to panels that affects their structure or mounting.


Professional solar panel repair services have the tools and knowledge to safely diagnose and fix complex problems. Prompt repairs can prevent further damage and restore your system’s efficiency.



Solar panels are a reliable source of renewable energy, but like any system, they need care and attention. By learning to recognize common issues and performing regular maintenance, you can keep your solar panels running smoothly and enjoy the benefits of clean energy for many years.

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