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

Alarm 2006DC Short-Circuited or in Reverse Polarity

Name in the manufacturer's documentation (fault list): DC Short-Circuited or in Reverse Polarity[1]

This page only quotes the original English documentation. A plain-language explanation has not been written yet, so the page is not indexed by search engines.

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. 20 official manufacturer document quote verified 2006 DC Short-Circuited or in Reverse Polarity
  2. [2] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 20 official manufacturer document quote verified the dc bus of the device is short-circuited or connected in reverse polarity.
  3. [3] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 20 official manufacturer document quote verified power off the device (turn off the ac switch and dc switch, and wait for a period specified on the device safety warning label), and then perform the following operations: check whether the dc terminals are short-circuit…
  4. [4] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 19 official manufacturer document quote verified the device is shut down.