SMA · SUNNY BOY SMART ENERGY Inverters
A temperature sensor for the boost converter within the inverter is faulty. This fault causes the inverter's cooling fan to run continuously, indicating an internal sensor issue.
Click steps to track your progress.
Note down the exact event code displayed.
Visually inspect the inverter's fan and ventilation openings to ensure they are free from obstructions.
Contact Service with the event code for further diagnosis and repair.