Connectivity & Network
How to Update the HF21 / HFA21 WiFi Dongle Chipset
This guide explains how to update the HF21 / HFA21 WiFi Dongle chipset used in some GivEnergy systems. Updating the chipset improves WiFi stability with newer routers. The update requires connecting to the dongle’s local hotspot and uploading two ...
How to secure your inverter’s Wi-Fi connection
Changing default passwords helps keep your system secure. Change the default admin password from admin to something unique. Set a password for the inverter’s hotspot if unsecured. Avoid sharing your inverter Wi-Fi credentials publicly. ...
How to check Wi-Fi signal strength for your inverter
Wi-Fi signal strength is measured in RSSI (Received Signal Strength Indicator). When reconnecting, check RSSI value shown in settings. 60% or higher is recommended for stability. If lower: Move your router closer. Use a Wi-Fi extender. Consider a LAN ...
Why can’t my inverter connect to Wi-Fi?
If your inverter won’t connect, check these common causes. Router is only broadcasting on 5GHz (needs 2.4GHz). Router security is set to WPA3 (needs WPA2). SSID or password entered incorrectly. Signal strength is too weak (RSSI < 60%). ...
Using powerline adaptors with your inverter
Powerline adaptors extend your internet via electrical wiring. They can be used with your inverter, but placement matters. Place adaptors at least 1 metre away from the inverter to avoid interference. Plug them directly into wall sockets (not ...
How to change your Wi-Fi settings after replacing your router
If you replace your router, your inverter may go offline. You have two options: Quick method – Set your new router’s SSID and password to exactly match your old router. Your inverter will reconnect automatically. Manual method – Follow the ...
Best Wi-Fi settings for your inverter and battery
Some Wi-Fi settings work better for smart devices like your inverter. Use WPA2 encryption (not WPA3). Split your Wi-Fi into 2.4GHz and 5GHz bands. Connect the inverter to 2.4GHz. Keep your SSID (Wi-Fi name) and password simple (letters/numbers only, ...
How to reconnect your GivEnergy system to Wi-Fi
If your inverter or battery has gone offline (for example after changing your router, SSID, or Wi-Fi password), you can reconnect it using your browser. Use a laptop, tablet, or phone that can connect to Wi-Fi. Disconnect from your home Wi-Fi. ...