Solar Panel Troubleshooting

Shedding Light on Solar Panel Troubleshooting

The sun shines brightly in the land down under, making it an ideal place for solar energy solutions! However, as with any technology, solar panels can experience problems. When that happens, don’t fret – this guide will help you troubleshoot your solar panels like a true blue Aussie expert.

Common solar panel problems and their symptoms

Solar panels in Melbourne are generally low maintenance, but occasionally issues arise. Here are some common problems you might encounter:

  • Reduced efficiency: Over time, dirt, dust and bird droppings can accumulate on your panels, decreasing their efficiency.
  • Micro-cracks: Extreme temperature changes, hail or other physical factors can cause tiny cracks in the panel cells, impacting performance.
  • Loose connections: Weather, wear and tear or pesky critters might cause connectors to loosen, leading to reduced energy production.
  • Inverter issues: The inverter is the heart of your solar system. If it malfunctions, your solar panels will not produce usable electricity.
  • Shading: Nearby trees, buildings or other obstructions can cast shadows on your panels, significantly reducing their output.

How to perform a visual inspection of your solar panels

A visual inspection is the first step in troubleshooting solar panels. Here’s how to conduct one:

  • Turn off the system: Safety first! Switch off your solar system at the inverter and the main switchboard.
  • Check for visible damage: Inspect your solar panels for cracks, discolouration or other signs of physical damage.
  • Examine connections: Ensure all wires and connections are secure and intact.
  • Look for shading: Assess if nearby objects are casting shadows on your panels, especially during peak sunlight hours.
  • Clean your panels: Gently clean your solar panels with a soft brush and water, removing any dirt or debris.

Delving deeper: Testing your solar panels and components

If the visual inspection didn’t reveal any issues, further testing might be required:

  • Test the inverter: Check the inverter display for error messages or abnormal readings, and consult your manual for troubleshooting tips.
  • Test the panels: Use a multimeter to measure the voltage and current output of each panel, comparing it to the manufacturer’s specifications.
  • Test connections: Inspect and test all connectors, junction boxes, and cables for signs of wear, damage, or corrosion.
  • Seek professional help: If you’re unable to identify the issue, it’s time to call in the experts.

Preventative maintenance to keep your solar system in tip-top shape

Prevention is better than cure! Here are some tips to keep your solar system running smoothly:

  • Regular cleaning: Keep your panels clean by removing dirt and debris every few months.
  • Annual inspections: Schedule a professional inspection at least once a year to ensure your system is operating optimally.
  • Monitor performance: Regularly check your inverter display or solar monitoring app to track your system’s performance and identify any potential issues early.
  • Trim trees and shrubs: Keep vegetation trimmed to prevent shading and reduce the risk of damage from falling branches.


Troubleshooting solar panels need not be a daunting task. With a bit of know-how and regular maintenance, your solar system will continue to harness the Aussie sun for years to come. If you’ve tried these troubleshooting tips and still require assistance, the skilled team at Solar Repair Melbourne is here to help! Our experienced technicians are well-versed in diagnosing and repairing a wide range of solar panel issues. We’ve also worked on top solar panel brands including SunPower, REC, QCells, Trina Solar, Jinko Solar and more. Don’t let a hiccup in your solar system dampen your spirits – contact Solar Repair Melbourne today, and we’ll ensure your panels are back to producing clean, green energy in no time. So, give us a bell, and let’s get your solar system back on track, mate!


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