Solar panels are a reliable way to cut energy bills and reduce reliance on the grid, but like any system, they are not free from problems. Over time, panels and their components can develop faults that limit performance. By knowing what to look out for, you can deal with problems early and keep your system producing power throughout the year.

Common Challenges with Solar Panels

Dirt and Debris Build-Up

Dust, bird droppings, and fallen leaves can block sunlight from reaching the panels. Even a small layer of dirt can reduce power output noticeably. Cleaning the panels at least once or twice a year helps maintain consistent performance, especially after autumn and spring when debris is at its peak.

Shading Problems

Shadows from trees, chimneys, or neighbouring buildings can have a bigger impact than many people realise. Because most panels are linked in a chain, even one shaded panel can reduce the overall output. Local heating engineers can advise on options such as trimming back branches, repositioning panels, or using devices like optimisers or microinverters to limit the effect of shading.

Inverter Faults

The inverter is the component that turns the electricity generated by the panels into a form your home can use. While panels are built to last, inverters often need replacing after 10 to 15 years. Warning signs of a faulty inverter include strange noises, warning lights, or a sudden drop in system output.

Weather Damage

Storms, hail, and heavy snow can occasionally damage panels. Cracks on the glass surface or water ingress can reduce power generation and may even make the system unsafe. Regular checks after bad weather are a good way to spot problems before they get worse.

Wiring and Connection Issues

Cables and connectors can wear out or become loose over time. If wiring is damaged or corroded, the panels may stop generating altogether. Because electrical faults are a safety risk, it is always best to call a qualified heating engineer in Coventry or Birmingham to carry out repairs.

Monitoring System Failures

Many solar panel systems are linked to apps or online platforms that track how much energy is being generated. If the monitoring stops working or shows unusual readings, it can be hard to know whether the panels are producing as they should. Checking your monitoring regularly helps you spot changes quickly.

When to Call a Specialist

If you see visible cracks, hear noises from the inverter, or notice that your electricity production has dropped suddenly, it is time to get help from a professional. Heating engineers in Coventry and Birmingham who are experienced with solar and renewable systems can carry out inspections, repairs, and replacements as needed.

Need Help with Solar Panels in Coventry or Birmingham?

JLN Plumbing & Heating provides expert services for solar panels and air source heat pumps across Coventry and Birmingham. From installation to repairs and regular servicing, our heating engineers can keep your renewable systems working reliably. Call us today or use the contact form and we’ll be happy to help.