What does 'Timeout in communication for active power limitation' mean on SMA SUNNY BOY 3.0 Inverter?
This message indicates a communication timeout for active power limitation. Ensure that the connection to the system manager (e.g. Sunny Home Manager) is intact and that no cables are damaged or that no plugs have been pulled.
How to fix WLAN connection issues on SMA Inverter?
If you're experiencing issues with the WLAN connection on your SMA Inverter: * Make sure that the SSID, WLAN password, and encryption method have been entered correctly. * Verify that the WLAN router or WLAN Access Point is within range and functioning correctly. * If the issue persists, consider improving the WLAN connection by using a WLAN repeater.
What does 'Insulation failure > Check generator' mean on SMA SUNNY BOY 3.0?
This message indicates that the inverter has detected a ground fault in the PV array. Check the PV system for ground faults.
Why does my SMA SUNNY BOY 3.0 Inverter show 'DC overvoltage > Disconnect generator'?
This message indicates an overvoltage at the DC input. Immediately disconnect the inverter from all voltage sources. Check whether the DC voltage is below the maximum input voltage of the inverter. If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array. If this message is repeated frequently, contact the Service.
What does 'PE conn. missing > Check connection' mean on SMA SUNNY BOY 3.0 Inverter?
This message indicates that the grounding conductor is not correctly connected. Ensure that the grounding conductor is correctly connected.
What does 'Installation fault > Check connection' mean on SMA SUNNY BOY 3.0 Inverter?
This message indicates that a second line conductor is connected to N. Connect the neutral conductor to N.
What does 'Timeout in communication for cos-Phi spec.' mean on SMA Inverter?
This message indicates a timeout in communication for cos-Phi specification. Ensure that the connection to the system manager is intact.
What to do if my SMA Inverter displays 'SMA Grid Guard code invalid'?
If your SMA Inverter displays 'SMA Grid Guard code invalid,' enter the correct SMA Grid Guard code.
What does 'Bridged strings detected' mean on SMA Inverter?
This message indicates that the DC inputs A and B are connected in parallel.
What does 'DC overcurrent > Check generator' mean on SMA SUNNY BOY 3.0?
This message indicates overcurrent at the DC input. If this message is displayed frequently, ensure that the PV array has been correctly rated and wired.
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