Huawei · SUN2000 Solar Inverter
The internal fan is experiencing an abnormality, such as a short circuit, insufficient power supply, or physical damage. This Major alarm indicates a critical cooling issue within the inverter, which could lead to overheating and damage.
Click steps to track your progress.
Turn off the AC output switch.
Turn off the DC input switch.
Turn on the AC output switch and DC input switch after 5 minutes.