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Solar panel repair

The three symptoms people call broken, the checks you can make from the ground, the warranty routes, and what to ask a repair company.

Updated September 3, 2026

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Written by HyreSolar Research Desk Primary-source research and fact checking

The short answer

A solar system that looks broken may not be. A reading of zero online can be a dead internet link while the array produces normally, and inverters carry shorter warranties than panels, so check them first. Work from the cheapest explanation outward, and leave the roof and every enclosure to a licensed professional.

12 yrs standard SolarEdge inverter warranty, against 25 years for its optimizers SolarEdge Limited Product Warranty
10 yrs Enphase warranty on gateways, against 25 years on its microinverters Enphase Limited Warranty, USPRCA-Micro-2025

What should you know first about solar Panel Repair?

Photograph the fault code

The inverter display is the fastest clue you can hand a technician.

Suspect the panels last

Breakers, communications and inverters are cheaper explanations to rule out first.

Three warranties may apply

Panel, inverter and workmanship, held by up to three different companies.

Ask who pays the labor

A free replacement part can still come with a paid service call.

Get solar options for a system that needs repair

Free, with no obligation. A person at HyreSolar reads it and gets back to you. Matching with solar professionals is not live yet.

What does “my solar is broken” actually mean?

Three different complaints get described the same way, and they have different causes.

Production is zero

A tripped breaker, an inverter fault or a monitoring outage can each cause it, and none of them means the panels are dead.

Production is lower than it was

Soiling, new shade from grown trees, a failed optimizer on one string, or normal seasonal change misread as a fault.

Production is fine but the bill went up

A tariff or billing change, not a system fault.

What can you safely check yourself?

Five checks, all from the ground and none needing tools.

Is the inverter display showing a fault code? Photograph it.
Has the solar breaker in your service panel tripped?
Is the monitoring gateway still connected to your home network? A replaced router can cause “zero production”.
Does your utility meter or in-home display show the system exporting? That separates a production fault from a reporting fault.
Has anything changed outside, such as new construction, a grown tree or a new dish casting shade?

What needs a professional?

Anything on the roof, anything inside an enclosure, and anything on the DC side of the array needs a licensed professional.

A solar array makes dangerous DC voltage whenever light falls on it. It does not switch off because the grid is down or a breaker is off. There is no homeowner-safe version of working on it.

Who repairs a system when the installer is gone?

An installer closing is a real risk to plan for, because a workmanship warranty is only as good as the company behind it. When your installer goes under sets out the steps.

Product warranties on panels and inverters are held by the manufacturer and can outlast the installer. Labor is another matter: the Q CELLS, Enphase and SolarEdge warranties we read exclude or shift labor costs, so you may pay to fit a free part.

Independent solar service companies work on systems they did not install. That is the route when the original company cannot be reached.

Is it a repair, or something else?

Three jobs start from the same question about an existing system.

How solar Panel Repair runs, step by step

01
Describe the symptom precisely

Zero, low or intermittent, and since when. A date narrows the cause faster than anything else.

02
Ground-level checks

Inverter fault code, breaker position, monitoring connection, visible shade changes.

03
Remote diagnosis

Some faults can be identified from the monitoring data alone, if the monitoring is reporting.

04
On-site diagnosis

String voltage and current testing, and sometimes thermal imaging to find a failed module or connection.

05
Identify the warranty route

Product, workmanship or inverter warranty, and which company holds it.

06
Repair or replace

Inverter swap, optimizer or microinverter replacement, connector repair, or module replacement.

07
Verify

Compare output against expected production for that array on that day. Do not accept “it is working now” without numbers.

What moves the price of solar Panel Repair?

No single national figure describes solar Panel Repair. These are the variables that separate two quotes for it.

FactorEffect on a solar Panel Repair quote
What failedA communications gateway is a small part. A central inverter is a major component.
Warranty statusAn in-warranty part may be free while the labor to fit it is not.
Roof accessSteep, tall or tile roofs need more equipment and more people.
Diagnosis timeIntermittent faults take longer to find than hard failures.
Age of the systemAn obsolete inverter may have no direct replacement, turning a repair into a partial redesign.

Sourced figures sit in the solar repair costs; check a quote line by line with the proposal analyzer.

What to ask before you sign for solar Panel Repair

What specifically failed, and what is the evidence?
Is this covered by a product warranty, a workmanship warranty, or neither?
If the part is under warranty, who pays the labor?
Will you show me expected against actual production after the repair?
Will you service a system you did not install, and are you licensed for this work in my state?

Your inquiry

Tell us about your home

Nothing goes to a solar professional unless you agree.

Free, with no obligation: a person reads it and gets back to you. Matching is not live yet, so this is not a quote.

Get Solar Options

If you have done your research and want to speak with a solar professional, HyreSolar can help you explore available options.

Your details

Questions

My monitoring shows zero. Is my system dead?
Not necessarily. A monitoring gateway that has lost its network connection reports zero while the system produces normally. Check whether your utility meter shows export before assuming a production fault.
How long do solar panels last?
Panels carry long performance warranties: REC’s Alpha warranty, for example, guarantees at least 92% of rated output at year 25. Inverters carry shorter terms, such as SolarEdge’s 12 years, and are the part more likely to need replacing.
Can I clean or fix panels myself?
Rinsing from the ground with a hose is fine. Going on the roof or opening any electrical enclosure is not: a solar array carries dangerous DC voltage in daylight whatever the breaker position.
My installer went out of business. Who fixes it?
An independent solar service company. Manufacturer warranties on panels and inverters can outlast the installer, though you may pay the labor to fit a replacement part.

Written and audited by

HyreSolar Research

Primary-source research, data analysis and fact checking

We are a research desk, not a sales floor. We read the statute, the tariff, the code section, the federal filing or the manufacturer data sheet ourselves, and we publish the figure with the document it came from and the date we retrieved it.

Where a number cannot be traced to a primary source, we publish the shorter page and say what we could not verify. That rule has cost us whole sections, and it is why the rest can be checked.

160
primary sources read and cited
228
figures with a retrieval date
115
federal and state government sources
66
researched pages published

Authorship on this site is organizational: the analysis belongs to the desk rather than to a named individual, and we do not publish credentials we do not hold. Our editorial policy sets out how we source, date and correct what we publish.

Sources & retrieval dates

SolarEdge Limited Product Warranty, Source for the 25-year term on power optimizers, the 12-year term on inverters, and labor being borne by the buyer. Retrieved 3 September 2026.
Enphase Energy Limited Warranty: IQ Microinverters and Balance of System Products, Doc # USPRCA-Micro-2025. Source for the 25-year microinverter term, the 10-year term on gateway and supporting hardware, and the labor exclusion. Retrieved 2 September 2026.
Hanwha Q CELLS Limited Warranty for Crystalline PV Modules (Q.PEAK DUO BLK-G10+/AC), Valid from 1 March 2022. Source for the labor exclusion and the exclusion for service by a party the manufacturer has not authorized. Retrieved 2 September 2026.
REC Alpha Series Limited Warranty, Rev 8 (Americas), February 2026. Source for the 25-year performance warranty with a 92% output floor at year 25. Retrieved 3 September 2026.

This page on solar Panel Repair is general and varies by location, utility tariff, building code, roof and your own circumstances. It is not tax, legal or engineering advice. HyreSolar is an independent information site: we do not install, finance, service or inspect solar systems, and we do not supervise or warrant anyone who does.