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Huawei · PV inverters · Huawei SUN2000-KTL-M1 (three-phase inverter, 3–10 kW, battery-ready)

Alarm 2061Abnormal Grounding

Name in the manufacturer's documentation (fault list): Abnormal Grounding[1]

In plain words (editorial)

Grounding problem: the neutral wire or PE cable is not connected, or the output mode set on the inverter does not match the actual cable connection. The inverter shuts down.

When to call a service technician: Have an electrician check the PE and neutral connections and the output mode setting.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →

Sources

Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.

  1. [1] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 51 official manufacturer document quote verified 2061 Abnormal Grounding
  2. [2] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 51 official manufacturer document quote verified the neutral wire or pe cable of the device is not connected.
  3. [3] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 51 official manufacturer document quote verified the output mode of the device does not match the actual cable connection.
  4. [4] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 51 official manufacturer document quote verified check that the pe cable of the device is connected properly.
  5. [5] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 51 official manufacturer document quote verified if the device is connected to a tn power grid, check whether the neutral wire is properly connected and whether the voltage to ground is normal.
  6. [6] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 51 official manufacturer document quote verified after powering on the device, check whether the output mode set on the device matches the actual cable connection.
  7. [7] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 50 official manufacturer document quote verified the device is shut down.