Handling IE28 Inverter Error and Firmware Issues: Troubleshooting and RMA Process

Introduction

This article provides guidance on what to do if your SolaX Power inverter displays an IE28 error and fails to operate after a firmware upgrade. Following the correct procedures will help ensure timely resolution through our RMA support process.

Issue Description

The IE28 error indicates a critical inverter fault typically appearing after a firmware upgrade or an unsuccessful update attempt. When this error occurs, the inverter will not function normally, affecting your solar energy system's performance.

Troubleshooting Checklist

Before proceeding with an RMA request, please perform the following checks to rule out simple causes:

• Confirm that the firmware update process was completed without interruption, and the installed version corresponds to the latest official release.
• Restart the inverter by powering it off, waiting for 1-2 minutes, and powering it back on to see if the error clears.
• Check all electrical connections, including DC input and AC output terminals, for proper torque and secure contacts.
• Verify that environmental conditions meet the inverter’s operating requirements (e.g., temperature and ventilation).

RMA Request Process

If the IE28 error persists after performing the above troubleshooting steps, please submit a Return Merchandise Authorization (RMA) request to initiate the replacement process.

1. Visit the SolaX Power support portal at [support.solaxpower.com] to access the RMA request form.
2. Fill in the required details, including inverter model, serial number, firmware version, and a detailed description of the issue including the appearance of the IE28 error.
3. Attach any supporting documentation such as photos or screenshots of the error message.
4. Submit the form and await approval from our technical support team.
5. Once approved, follow the instructions provided for packaging and shipping the defective inverter to the designated warehouse.

Replacement and Follow-up

Upon receipt and inspection of the returned inverter, SolaX Power will process the replacement unit and arrange shipment to your location. Please keep your RMA reference number for tracking and communicate any queries to our support team via [support.solaxpower.com/contact].

Additional Support and Resources

For further assistance with inverter errors, firmware updates, or system configuration, you can refer to the SolaX Power Knowledge Base or contact our Global Technical Support Center, available worldwide to support your solar energy solutions.

Remember, maintaining up-to-date firmware and following installation best practices helps prevent errors and ensures optimal system performance.