String reverse connection

What does 2011 mean?

The polarity of the PV string is reversed (PV1 for Cause ID 1, PV2 for Cause ID 2). This prevents proper power generation and can potentially damage the inverter.

• The PV string polarity is reversed (PV1).
• The PV string polarity is reversed (PV2).

Click steps to track your progress.

1. 1

   Check whether the PV string is reversely connected to the SUN2000. If so, wait until the PV string current decreases to below 0.5 A, then turn off the DC switch and correct the PV string polarity.