Solar & Energy Efficiency · Property Services

Solar Panel Repair & Inverter Replacement

A solar system should produce quietly for decades, but inverters, connectors and individual panels can fail. A drop in production or an error code means money is being lost every sunny day. NorTech connects you with vetted licensed solar contractors who set their own price and find the real cause.

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Reading the symptoms

Monitoring apps and inverter lights tell you a lot. A sudden drop to zero suggests a shutdown, a tripped breaker or an inverter fault, while lower production on one string points to shading, a failed optimizer or a damaged panel. Error codes in the inverter manual guide the diagnosis. Take screenshots of the production data and note when the change began. This helps the technician narrow down the cause quickly. Share your monitoring screenshots, the age of the system and the original installer’s name, since this history helps the technician and may affect warranty coverage.

Inverter lifespan and replacement options

String inverters usually last ten to fifteen years, and microinverters last longer. When an inverter fails, you can replace it with an identical model or upgrade to a newer one. Compatibility with panels and monitoring should be checked. If the equipment is under warranty, the manufacturer may supply the replacement and the contractor performs the installation. Ask who pays for labor and shipping, and how long you will be without power production. Ask for the failed part to be labeled and kept for the manufacturer, in case a warranty claim needs proof of the defect.

Testing, safety and preventing repeat failures

Technicians use meters and thermal cameras to find bad connections and hot spots. Rodent damage, loose connectors and water intrusion are common culprits. Repairs are done with the system shut down and safely isolated. After repair, confirm production returns to expected levels and keep a record of the work. Regular cleaning and annual inspection improve reliability. Ask the technician to explain what failed and why, and whether other components of the same age are likely to follow, so you can budget for the future.

When to book solar panel repair & inverter replacement

Your solar production dropped suddenly.
The inverter shows an error or has stopped.
A panel is cracked or discolored.
Monitoring shows one string performing poorly.
Rodents or storms damaged wiring.
Your inverter is out of warranty and failing.
90-Day Warranty
Backed by your provider’s warranty. If covered work fails, your provider makes it right — free.

Frequently asked

Solar Panel Repair & Inverter Replacement — common questions

Warning lights, error codes, zero production or a silent unit are signs. A technician can confirm with testing. It helps to share photos of the area when you request a quote.

Often equipment is covered for years, but labor may not be. Ask your installer or manufacturer. Raise any questions at the estimate stage so there are no surprises later.

A diagnostic visit takes a few hours, and replacements may take a day plus parts lead time. Mention any special conditions at your property so the plan fits them. Your provider can explain how this applies to your property before you book.

Often yes, if compatible with your panels and monitoring. The contractor will advise. Keep copies of invoices and reports with your home records for future reference.

Dust, bird droppings and pollen can reduce output. Cleaning can recover some production. Your provider can explain how this applies to your property before you book.

The solar contractor backs its repair labor for 90 days, and the part it installed carries the maker’s own warranty. A new fault elsewhere in the system, or damage from storms or animals after the visit, is treated as a separate issue.

Didn’t find your answer? Nova, our AI assistant, is in the chat bubble in the bottom-right corner and can help anytime.

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