Your solar inverter is the heart of your solar energy system. It converts the direct current (DC) electricity generated by your solar panels into alternating current (AC) power for use in your home. When the inverter is functioning correctly, you benefit from reduced electricity bills and consistent energy output.
But like any piece of equipment, inverters can fail and when they do, it affects your entire system. Spotting issues early helps avoid long term damage, expensive downtime and energy loss. Below are five clear signs your inverter may need professional servicing.
Warning Lights or Error Messages
A flashing red or orange light on your inverter is often the first indication that something is wrong. Most inverters feature an LED screen that displays status codes.
If you see unfamiliar error messages, such as grid faults, isolation issues or internal failures, it is important to contact a qualified technician.
Tip: Avoid resetting or tampering with the inverter yourself, as this may void your warranty or cause further damage.
Drop in Energy Output
If your solar system is generating less electricity than usual, the inverter could be underperforming or malfunctioning. A faulty inverter might still operate, but it may convert energy inefficiently or intermittently.
Compare your system’s current output to previous months using your monitoring app or online portal. A consistent dip in energy production especially on sunny days is a warning sign that servicing may be needed. In some cases, the issue may lie with the panels themselves. If you suspect physical damage or malfunctioning panels, explore our solar panel repairs in Perth to restore full system performance.
No Display or Total Power Loss
If the inverter screen is blank or shows no signs of power, there may be a supply issue or an internal failure.
Start by checking whether the inverter is receiving power from the main switchboard. If power is present but the display is unresponsive, the issue could involve internal circuits or the unit’s motherboard.
In this situation, professional assessment is recommended especially if your inverter is still within its warranty period.
Strange Noises or Overheating
Solar inverters are typically quiet. If you begin hearing buzzing, humming or clicking sounds, there may be an issue with the internal fan, transformer or another component.
Overheating is another common problem. If your inverter feels excessively hot—even on cooler days—it may be struggling to regulate its internal temperature.
Ensure the unit is installed in a shaded, ventilated space. If noises or heat persist, schedule a service immediately.
Inverter Age and Lack of Servicing
Solar inverters generally last between 8 and 12 years. As they approach the end of their life, efficiency can drop and hardware may begin to fail.
If your inverter is older and has not been inspected recently, you may experience performance issues even without visible warnings.
Annual servicing is recommended to ensure your system continues operating safely and efficiently. Regular solar panel maintenance also plays a key role in keeping your entire solar setup—including the inverter—running smoothly for years to come.
Keep Your Solar System Running with Electralink Solar
At Electralink Solar, we provide fast, reliable inverter inspections, servicing, and replacements across Australia. Whether you’re seeing fault lights, reduced output, or simply haven’t had your system checked in a while, our team is ready to help.
We work with all major inverter brands and offer expert diagnostics to get your system back on track—saving you time, money, and energy.
Think your inverter needs attention? Contact Electralink Solar today to book a service and keep your solar investment performing at its best.