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

Alarm 2091Abnormal reactive power scheduling instruction

Name in the manufacturer's documentation (fault list): Abnormal reactive power scheduling instruction[1]

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

Sources

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  1. [1] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 84 official manufacturer document quote verified 2091 Abnormal reactive power scheduling instruction
  2. [2] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 84 official manufacturer document quote verified the di input is abnormal.
  3. [3] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 84 official manufacturer document quote verified the di input is inconsistent with the configuration.
  4. [4] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 84 official manufacturer document quote verified check that the cables are connected correctly to the di ports.
  5. [5] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 84 official manufacturer document quote verified check that the configuration combinations in the di signal configuration table for reactive power scheduling are complete and meet the requirements of the local power operator.