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Deye · PV inverters · Deye SUN-SG05LP1-EU (single-phase hybrid inverter, 3.6–8 kW)

F41Parallel system stop

Name in the manufacturer's documentation (user manual): Parallel system stop[1]

In plain words (editorial)

In a parallel system one inverter has stopped. The manual explains that if one hybrid inverter is OFF, the others may report F41 – check the status of all inverters.

When to call a service technician: If all inverters are on and the fault stays, contact 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] Hybrid Inverter User Manual – SUN-3.6K/5K/6K/7K/7.6K/8K-SG05LP1-EU (ed. 2024-08) (instructions_sun-3.6-8k-sg05lp1-eu_240813_en) , p. 47 official manufacturer document quote verified F41 Parallel system stop
  2. [2] Hybrid Inverter User Manual – SUN-3.6K/5K/6K/7K/7.6K/8K-SG05LP1-EU (ed. 2024-08) (instructions_sun-3.6-8k-sg05lp1-eu_240813_en) , p. 47 official manufacturer document quote verified Check the hybrid inverter working status. If there's 1 pcs hybrid inverter is in OFF status, the other hybrid inverters may report F41 fault in parallel system
  3. [3] Hybrid Inverter User Manual – SUN-3.6K/5K/6K/7K/7.6K/8K-SG05LP1-EU (ed. 2024-08) (instructions_sun-3.6-8k-sg05lp1-eu_240813_en) , p. 47 official manufacturer document quote verified If the fault still exists, please contact us for help