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

F23AC leakage current is transient over current

Name in the manufacturer's documentation (user manual): AC leakage current is transient over current[1]

In plain words (editorial)

The inverter detected a short burst of leakage current. The manual says to check the ground connection of the PV side cables and restart the system 2–3 times.

When to call a service technician: Checking the PV wiring and earthing is a job for the installer – DC voltage is present whenever the panels are lit.

✎ 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. 46 official manufacturer document quote verified
  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. 46 official manufacturer document quote verified Check PV side cable ground connection
  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. 46 official manufacturer document quote verified Restart the system 2~3 times
  4. [4] 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. 46 official manufacturer document quote verified If the fault still exists, please contact us for help