2035
Unbalanced Grid Voltage
Huawei · SUN2000 Solar Inverter
What does 2035 mean?
The difference between grid phase voltages exceeds a specified upper threshold. This indicates an imbalance in the three-phase power supply, which can affect inverter operation and grid stability.
Common Causes
- The difference between grid phase voltages exceeds the upper threshold.
- The power grid may be abnormal temporarily.
- The connection between the AC switch and the output power cable is faulty.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check whether the grid voltage is within the acceptable range.
- 2
Check the connection between the AC switch and the output power cable.
Verified technical data. Last updated: March 2026
Related Faults
Source: Huawei SUN2000 Solar Inverter