Huawei · SUN2000 Solar Inverter
The actual power grid frequency is lower than the standard requirement for the local power grid. This condition indicates an unstable grid frequency, which can cause the inverter to disconnect for protection.
Click steps to track your progress.
Check whether the grid frequency is within the acceptable range.
Log in to the mobile phone app, SmartLogger, or NMS to modify the grid underfrequency protection threshold with the consent of the local power operator.