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Growatt · PV inverters · Growatt MIN TL-XE / TL-X (single-phase grid inverter, 2.5–6 kW)

Error: 409Bus over voltage

Name in the manufacturer's documentation (user manual): Bus over voltage[1]

In plain words (editorial)

The voltage on the inverter's internal DC bus is too high. The manual says to restart the inverter.

When to call a service technician: If the problem still exists, contact Growatt through the 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] Installation & Operation Manual – MIN 2500–6000TL-XE/X (044.0098100, ed. 2022-05) (044.0098100) , p. 24 official manufacturer document quote verified Error: 409 Bus over voltage
  2. [2] Installation & Operation Manual – MIN 2500–6000TL-XE/X (044.0098100, ed. 2022-05) (044.0098100) , p. 24 official manufacturer document quote verified Error: 409 Bus over voltage
  3. [3] Installation & Operation Manual – MIN 2500–6000TL-XE/X (044.0098100, ed. 2022-05) (044.0098100) , p. 24 official manufacturer document quote verified 1.Restart inverter, if problem still