As a homeowner, you’ve made the wise decision to harness the power of the sun with a Growatt solar inverter. This reliable piece of technology is crucial in converting the DC power generated by your solar panels into usable AC power for your home. However, like any piece of technology, it can sometimes encounter issues that need troubleshooting.

Understanding these issues and their corresponding error codes can help you identify the problem and take the necessary steps to resolve it. Whether you’re a seasoned solar energy user or new to the game, this guide will provide you with comprehensive information on Growatt Solar Inverter troubleshooting and error codes.

Quick Summary

Growatt Solar Inverters are reliable devices, but they can sometimes display error codes indicating issues that need attention. Understanding these codes and how to troubleshoot them can help ensure your solar system continues to function optimally.

Common Growatt Solar Inverter Error Codes

Growatt inverters come with a digital display that shows various error codes when there’s a problem. These codes are designed to help you identify the issue quickly and take appropriate action.

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

  • E001: Grid Fault
  • E002: Grid Over Voltage
  • E003: Grid Under Voltage
  • E004: Grid Over Frequency
  • E005: Grid Under Frequency
  • E008: PV Over Voltage
  • E011: Inverter Over Temperature
  • E012: Bus Over Voltage
  • E013: Bus Under Voltage

Troubleshooting Growatt Solar Inverter Error Codes

When an error code appears on your Growatt inverter, it’s important to know how to troubleshoot the issue. Some problems can be resolved by resetting the inverter or checking the connections, while others may require professional solar inverter repairs.

For instance, if you see an E001 (Grid Fault) error, it could mean that there’s a problem with the grid connection. Check the grid connection and if the problem persists, contact a solar electrician in Sydney for assistance.

Maintaining Your Growatt Solar Inverter

Regular maintenance is key to ensuring your Growatt solar inverter continues to function optimally. This includes regular solar panel servicing, cleaning, and checking for any visible damage or wear and tear.

It’s also important to monitor the performance of your solar system regularly. If you notice a significant drop in power output or frequent error codes, it may be time for solar panel repairs or even replacement.

When to Seek Professional Help

While understanding your Growatt solar inverter error codes is useful, some issues require professional attention. If you’re unable to resolve the issue yourself or if the error code persists after troubleshooting, it’s best to seek help from Sydney solar repair specialists.

Professional solar technicians have the knowledge and tools to diagnose and resolve complex issues, ensuring your solar system continues to provide reliable, clean energy for your home.


Understanding Growatt Solar Inverter error codes and troubleshooting methods can help you maintain the efficiency of your solar system. However, when in doubt, always seek professional assistance to avoid causing further damage to your system.

At Solar Repair Sydney, we’re here to help with all your solar needs. Whether it’s regular maintenance, troubleshooting error codes, or carrying out necessary repairs, our team of experienced technicians is just a call away. Harness the power of the sun with confidence, knowing that we’ve got your back.


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