Skip to content
EN

Deye · PV inverters · Deye SUN-SG04LP3-EU (three-phase hybrid inverter, 5–12 kW)

F18HW_Ac_OverCurr_Fault

Name in the manufacturer's documentation (fault list): HW_Ac_OverCurr_Fault[1]

In plain words (editorial)

AC-side overcurrent detected by the hardware – the backup load and normal load are outside the allowed range. The manual says to restart and check whether it returns to normal.

When to call a service technician: If it 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] Deye Three Phase Hybrid Inverter SUN-5-12KWSG04LP3 Fault List , p. 2 manufacturer document – copy from a distributor quote verified F18 HW_Ac_OverCurr_Fault
  2. [2] Deye Three Phase Hybrid Inverter SUN-5-12KWSG04LP3 Fault List , p. 2 manufacturer document – copy from a distributor quote verified AC side over current fault
  3. [3] Hybrid Inverter User Manual – SUN-5K/6K/8K/10K/12K-SG04LP3-EU (ed. 2024-08) (V3.3.0 (instructions_sun-5-12k-sg04lp3-eu_240813_en)) , p. 47 official manufacturer document quote verified Please check whether the backup load power and
  4. [4] Hybrid Inverter User Manual – SUN-5K/6K/8K/10K/12K-SG04LP3-EU (ed. 2024-08) (V3.3.0 (instructions_sun-5-12k-sg04lp3-eu_240813_en)) , p. 47 official manufacturer document quote verified Restart and check whether it is in normal;
  5. [5] Hybrid Inverter User Manual – SUN-5K/6K/8K/10K/12K-SG04LP3-EU (ed. 2024-08) (V3.3.0 (instructions_sun-5-12k-sg04lp3-eu_240813_en)) , p. 47 official manufacturer document quote verified Seek help from us, if cannot go back to normal state.