2040

Output DC component overhigh

Huawei · SUN2000-(3KTL-10KTL)-M1 Solar Inverter

What does 2040 mean?

The DC component in the power grid current exceeds the upper threshold. This indicates an issue with the quality of the current being fed into the grid.

Common Causes

  • The DC component in the power grid current exceeds the upper threshold.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Observe if the SUN2000 automatically recovers after the fault is rectified, as it monitors external operating conditions in real time.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Huawei SUN2000-(3KTL-10KTL)-M1 Solar Inverter