What should I do if my SMA SUNNY BOY 6000TL?US indicates overvoltage at DC input?
- Ggail58Aug 26, 2025
If your SMA Inverter indicates an overvoltage at the DC input, contact the installer.

What should I do if my SMA SUNNY BOY 6000TL?US indicates overvoltage at DC input?
If your SMA Inverter indicates an overvoltage at the DC input, contact the installer.
What to do if SMA SUNNY BOY 6000TL?US Inverter shows grid failure?
If your SMA Inverter indicates a grid failure, first ensure that there is no failure in the power distribution grid or that the AC miniature circuit-breaker has tripped. If the problem persists, contact the installer.
Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE symbols used in the manual.
Describes symbols used on the product, indicating dangerous voltage and hot surfaces.
Details general warnings for electrical installations and emphasizes compliance with local codes and qualified personnel.
Specifies the device types covered and identifies the intended audience for the user manual.
Explains the usage of 'light' and 'bold' typography in the document for clarity.
Explains the function of the Sunny Boy inverter in a PV plant and its suitability for indoor/outdoor use.
Details critical safety precautions, including risks of electric shock and burns, and actions for overvoltage.
Describes the Sunny Boy as a PV inverter, its main components, and their functions.
Explains the meaning of symbols on the inverter and the status indicated by Green, Red, and Yellow LEDs.
Details the type labels for the Sunny Boy inverter and the DC Disconnect for identification and support.
Explains the DC Disconnect's role and discusses communication options for the inverter.
Details the AFCI system for arc detection and interruption, its compliance with NEC, and deactivation options.
Explains the operating state indicated by the Green, Red, and Yellow LEDs on the inverter.
Lists and explains measurement channels and status messages displayed by the inverter.
Lists common error messages, their causes, and the recommended corrective measures for resolution.
Provides step-by-step instructions on how to reset the 'Error AFCI' message after an arc fault has been detected.
Recommends checking the inverter and DC Disconnect for damage and cleaning them periodically.
Provides instructions for cleaning fan guards and ventilation grids to ensure optimal heat dissipation.











