Voltage UDC fixed on MPP2 string out of limits

What does 483 mean?

The DC input voltage on the second Maximum Power Point (MPP) tracker string is outside the acceptable operating limits for the configured fixed voltage mode. This prevents the inverter from feeding energy into the grid.

• Incorrect MPP settings for the MPPT2 string
• Mismatched PV array voltage for the fixed voltage setting on MPPT2

Click steps to track your progress.

1. 1

   Check the MPP settings for MPPT2.

2. 2

   If this status code is displayed all the time, notify a Fronius-trained service engineer.