As a homeowner or business owner with a solar power system, you understand the importance of keeping your system running smoothly. A key component of your solar system is the inverter, which converts the direct current (DC) power generated by your solar panels into alternating current (AC) power that can be used in your home or fed back into the grid. ABB is a leading manufacturer of solar inverters, known for their reliability and efficiency. However, like any piece of technology, they can occasionally run into issues.

When your ABB solar inverter starts showing error codes or behaving unusually, it can be a cause for concern. But don’t worry, our team of Sydney solar repair experts are here to help you understand what these error codes mean and how to troubleshoot common issues with your ABB solar inverter.

Quick Summary

ABB solar inverters come with a comprehensive system of error codes that help identify issues. Understanding these codes and basic troubleshooting steps can help keep your solar system running efficiently.

Common ABB Solar Inverter Error Codes

ABB solar inverters are designed to communicate any issues through specific error codes displayed on the inverter’s screen. These codes are a handy tool for diagnosing problems and can save you time when seeking professional solar inverter repairs.

Here are some of the most common error codes you might encounter:

  • E001 – Insulation resistance too low
  • E002 – Grid voltage out of range
  • E003 – Grid frequency out of range
  • E004 – Grid impedance too high
  • E005 – DC/DC temperature too high
  • E006 – Inverter temperature too high

Troubleshooting ABB Solar Inverter Error Codes

Once you’ve identified the error code, the next step is troubleshooting. While some issues may require a professional solar electrician in Sydney, others can be resolved with simple steps.

For instance, if you see error E001, it might indicate a problem with the insulation of your solar panels. This could be due to weather damage or wear and tear. In this case, you might need to consider solar panel replacement.

When to Seek Professional Help

While understanding error codes and basic troubleshooting can help, some issues require professional attention. If the error persists after your initial troubleshooting attempts, it’s time to call in the experts. Remember, working with electrical systems can be dangerous if you’re not trained and equipped for the job.

Our team of solar inverter repairs in Sydney experts are always ready to help. We have extensive experience with ABB solar inverters and can quickly diagnose and fix any issues you may be facing.

Maintaining Your ABB Solar Inverter

Regular maintenance is key to keeping your ABB solar inverter running smoothly. This includes regular solar panel cleaning, checking for any physical damage, and ensuring the inverter’s software is up to date. Regular solar health checks in Sydney can also help identify potential issues before they become major problems.

For more information on maintaining your solar system, check out our blog post on solar inverter troubleshooting.


Understanding ABB solar inverter error codes and basic troubleshooting steps can help you keep your solar system running efficiently. However, when in doubt, it’s always best to seek professional help. Our team of solar repair specialists are always ready to assist you with any issues you may be facing with your ABB solar inverter.

Remember, regular maintenance and prompt attention to any issues can extend the lifespan of your solar system and ensure you’re getting the most out of your investment. So, if you’re facing issues with your ABB solar inverter, don’t hesitate to reach out to our team for expert assistance.


Save time and $$$ with a no obligation quote from solar specialists in Sydney. It takes just 30 seconds.
Call Now Button