Your inverter turns the DC power from your panels into AC power your home can use. When it faults, overheats or goes dark, your whole system stops paying you back. SolarFIX diagnoses the fault and lays out repair or replacement options with pricing.
See how it works, step by step ↓The process
Start with the simple checks. If they don't clear it, that's when a technician should take over.
01 · Step 1 · You
A few safe checks you can do without opening anything.
Write down or photograph what the inverter display shows.
Make sure nothing is blocking the vents around the enclosure.
If your system has solar batteries, check their status too.
Loose DC or AC connections and tripped breakers are common causes of on-and-off output.
02 · Step 2 · You
Many warnings are informational and can be cleared with a controlled restart. The manual tells you which are which.
Some clear on their own or after a restart.
These point to a real problem that needs a technician.
Workmanship issues go to your original installer first. Parts may be covered by the manufacturer.
If the company that installed it is out of business, SolarFIX can diagnose from scratch.
03 · Step 3 · SolarFIX
Inverter internals aren't a DIY job. Your tech tracks down what actually failed.
Read off the display or the monitoring portal.
Confirms whether the panel side feeding the inverter is healthy.
DC and AC connections checked and tightened.
Fans, filters and airflow checked for heat problems.
04 · Step 4 · SolarFIX
You get a clear recommendation with pricing before any further work.
Filters, loose connections and firmware are worth repairing.
If the inverter is past 10 years or the failure is internal, replacement is usually the better long-term call.
Inside the warranty window? We handle the claim and the physical swap.
We test the system and confirm it's producing again.
Want numbers first? See inverter replacement pricing on our repair cost page.
Inverter basics
Click through the short version of what every solar owner should know about their inverter.
It converts DC electricity from your panels into AC your home can use. If it stops, your panels stop paying you back.
Warning signs
Choosing a tech
“The price was in budget and they were able to accommodate our roofer's schedule.”
Suzette L. · Google Review
“I highly recommend Solar Fix for their caring approach and top-notch service!”
Melissa D. · Google Review
“Very refined process in place here with lots of communication.”
Brian G. · Google Review
What we can help with
These are the faults we see most on inverters in the Phoenix area.
Usually inadequate cooling: blocked airflow or a clogged intake filter. Both are very common in Arizona summers.
An improper install can cause activation and deactivation failures and on-and-off behavior that shortens the inverter's life.
When tracking between the panels and the inverter is inefficient, the total power output drops.
A breakdown in the insulation of the DC cables between panels and inverter. It needs attention right away to prevent more damage.
Usually a fault in monitoring or the internal control board. It takes a professional diagnosis to restore it.
Repairs range from a service call for simple fixes up to a full replacement.
Repair cost guideQuestions
Solar inverters have an expected lifespan of 10 to 12 years, but proper maintenance can extend the life of both the inverter and the rest of your solar system.
Warning lights or error codes, a drop in energy production, restart loops, unusual sounds, or an inverter that's noticeably hot to the touch.
A faulty inverter usually won't damage the panels themselves, but it will stop or reduce the electricity your system produces. That costs you money every day it's offline.
Minor issues like filters, loose connections and firmware are worth repairing. If the inverter is past 10 years or the failure is internal, replacement is usually the better long-term call.
Repairs range from a service-call fee for simple fixes up to full replacement. See our full breakdown on the solar panel repair cost page.
For issues covered by a workmanship warranty, contact your original installer first. If they're out of business, SolarFIX can step in. Inside the manufacturer's warranty window, we handle the paperwork and the swap.
See inverter replacement pricing →Call SolarFIX or send a request. We'll diagnose the fault and lay out repair or replace options with pricing. Licensed, bonded and insured, AZ ROC #323541.
