Step by Step Guide: Connecting Fronius Inverter to Wifi

Step by Step Guide: Connecting Fronius Inverter to Wifi

Step 1: Activate the Inverter's Wi-Fi Access Point

  1. On the inverter's screen, press the Enter key (middle button).
  2. Navigate to:

Setup > Wi-Fi Access Point > Enable

  1. The inverter will start broadcasting a network like:

FRONIUS_240.xxxxxx

🔹 Step 2: Connect to the Fronius Wi-Fi

  • On your phone or laptop, connect to the Wi-Fi network:

FRONIUS_240.xxxxxx

  • Password: 12345678 (default)

🔹 Step 3: Open Fronius Web Interface

  1. Open a web browser.
  2. Enter the following into the address bar:

http://192.168.250.181

🔹 Step 4: Login and Connect to Your Home Wi-Fi

  1. Login as:
    • User: installer
    • Password: solar (unless changed)
  2. Go to:

Settings > Wi-Fi Settings

  1. Select your home Wi-Fi network.
  2. Enter your Wi-Fi password.
  3. Click Connect.
  4. Wait for confirmation — the inverter should now be connected to your home network.

Step 5: Verify Connection

  • On the inverter screen, go to:

Setup > Network > Status

  • You should see an IP address assigned (not 0.0.0.0).
  • Also check if the inverter is online at solarweb.com

Troubleshooting Tips

  • Use a Wi-Fi extender if the signal is weak.
  • If it doesn’t connect, restart the inverter and try again.
  • You can also use the Fronius Solar.start app for a simpler setup if you prefer mobile.

 


    • Related Articles

    • Step by Step Guide: Connecting a Sungrow Inverter to Wifi

      Step 1: Download the iSolarCloud App Download the iSolarCloud app from the App Store (iPhone) or Google Play Store (Android). Step 2: Connect to the Inverter’s Wi-Fi On your phone, go to Wi-Fi settings. Look for a network that starts with "SG-" ...

    • Step-by-Step Guide: Connecting GoodWe Inverter to Wi-Fi

      Step-by-Step Guide: Connecting GoodWe Inverter to Wi-Fi Download and Open PV Master Install it from the App Store or Google Play Store. Open the app and select “Local Mode.” Connect to the Inverter's Wi-Fi On your phone, go to Wi-Fi settings. Look ...

    • Step By Step Guide: Connecting Solar Edge Inverter to Wifi

      Steps to Connect Your SolarEdge System to Wi-Fi: Turn on the Inverter: Ensure your SolarEdge inverter is powered on and functioning properly. Access the Inverter's Wi-Fi Settings: On the inverter, locate the "Communication" or "Wi-Fi" button (this ...

    • Step By Step Guide: Connecting SMA Inverter to Wifi

      ? Steps to Connect Your SMA Inverter to Wi-Fi: 1. Power On the Inverter Ensure your SMA inverter is powered on and the display (if applicable) is active. 2. Activate the Inverter’s Wi-Fi SMA inverters typically broadcast their own Wi-Fi network upon ...

    • Step-by-Step Guide: Connecting Victron Devices to Wi-Fi

      Step 1: Prepare Your Victron Device Ensure that your Venus GX or Cerbo GX is powered on and fully initialized. The device should have its display or LEDs active. Step 2: Access Wi-Fi Settings on Your Victron Device Option 1: Using the Display (for ...