Fronius · Primo Solar Inverter
This indicates that the USB stick or device connected to the inverter's USB port is drawing too much current. The inverter detects an overcurrent condition to protect itself.
Click steps to track your progress.
Remove the USB stick from the inverter's USB port immediately.
Check the USB stick for any physical damage or defects.
Insert a different, known-good USB stick. If the code persists even without a USB stick, contact a Fronius-trained service technician.