VpvMax - PV Overvoltage, DC input voltage too high

What does VpvMax mean?

The DC input voltage from the PV array has exceeded the maximum tolerable value for the SMA Sunny Boy inverter. This is a critical disturbance message, and immediate action is required.

• PV array voltage too high for the inverter (e.g., too many modules in series)
• Possible misconfiguration of the PV array
• Extreme cold weather conditions (can increase PV voltage).

Click steps to track your progress.

1. 1

   Immediately disconnect the DC power to the Sunny Boy using the external DC disconnect.

2. 2

   Verify that the PV array configuration (number of modules in series) matches the inverter's specifications for maximum DC input voltage.

3. 3

   If the array configuration is correct and the issue persists, contact SMA America for assistance.