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

Alarm 2094The remaining dischargeable capacity of the battery is low

Name in the manufacturer's documentation (fault list): The remaining dischargeable capacity of the battery is low[1]

In plain words (editorial)

In off-grid (backup) mode, the remaining dischargeable battery capacity is below 10% of the total. The manual says to remove unnecessary loads to extend the backup time.

When to call a service technician: If it appears although the battery should be charged, contact your installer.

✎ 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. 88 official manufacturer document quote verified 2094 The remaining dischargeable capacity of the battery is low
  2. [2] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 88 official manufacturer document quote verified the remaining dischargeable capacity of the battery is lower than 10% of the total capacity in off-grid scenario.
  3. [3] Inverter Alarm Reference (Issue 14, 2026-06-15) (EDOC1100345192 Issue 14) , p. 88 official manufacturer document quote verified the remaining power of the battery is low. please remove unnecessary loads to increase power backup duration.