As a proud owner of a Growatt solar inverter, you’ve made a smart choice for energy efficiency. However, like any piece of technology, it’s not immune to occasional hiccups. When your Growatt solar inverter starts displaying error codes or behaving unusually, it can be a cause for concern. But don’t worry, as your Brisbane solar repair experts, we’re here to help you understand and troubleshoot these issues.

Understanding the error codes and knowing how to troubleshoot common problems can save you time and potentially costly service calls. This guide will walk you through the process of diagnosing and resolving common issues with your Growatt solar inverter.

Quick Summary

This article provides a comprehensive guide to troubleshooting common issues with Growatt solar inverters, including understanding error codes and their solutions.

Understanding Growatt Solar Inverter Error Codes

The first step in troubleshooting your Growatt solar inverter is understanding the error codes. These codes are displayed on the inverter’s screen and provide valuable information about the nature of the problem.

For instance, an E001 error code indicates an overvoltage fault, while an E008 code signifies an isolation fault. Each error code corresponds to a specific issue, making it easier for you or your solar electrician in Brisbane to pinpoint the problem and resolve it quickly.

Common Growatt Solar Inverter Problems and Solutions

  • E001 – Overvoltage Fault: This error occurs when the DC input voltage exceeds the inverter’s maximum limit. The solution is to check the solar panel configuration and ensure it matches the inverter’s specifications.
  • E008 – Isolation Fault: This error indicates a problem with the insulation of the PV array. The solution is to inspect the PV array for damage or moisture.
  • E011 – Over Temperature: This error occurs when the inverter’s internal temperature is too high. The solution is to ensure adequate ventilation around the inverter and avoid direct sunlight.

These are just a few examples of common error codes. If you’re experiencing a different error code or need assistance with solar inverter repairs, don’t hesitate to contact a professional.

Preventive Measures to Avoid Common Errors

While understanding error codes and troubleshooting problems is important, prevention is always better than cure. Regular solar panel servicing can help identify potential issues before they become serious problems.

Ensure your solar inverter is installed in a well-ventilated area away from direct sunlight to prevent overheating. Regularly check your solar panels and wiring for signs of damage or wear and tear. Also, consider investing in a surge protector to protect your inverter from power surges.

When to Seek Professional Help

If you’ve tried troubleshooting your Growatt solar inverter and the problem persists, it may be time to seek professional help. Some issues, such as isolation faults or grid faults, require the expertise of a trained solar electrician.

Remember, attempting to fix complex issues yourself can pose safety risks and potentially void your warranty. When in doubt, always consult a professional. For more information on solar inverter problems, check out our detailed blog post.


Growatt solar inverters are reliable and efficient, but like any piece of technology, they can encounter problems. Understanding error codes and knowing how to troubleshoot common issues can save you time and stress. However, if you’re unable to resolve the issue yourself, don’t hesitate to seek professional help.

As your trusted solar repair specialists in Brisbane, we’re here to assist with all your solar needs, from routine maintenance to complex repairs. Don’t let solar inverter issues cast a shadow over your energy savings. Contact us today for expert assistance.


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