Deye · PV inverters · Deye SUN-SG04LP3-EU (three-phase hybrid inverter, 5–12 kW)
F4GFDI_Ground_Failure
Name in the manufacturer's documentation (fault list): GFDI_Ground_Failure
[1]
In plain words (editorial)
GFDI ground failure – the manual says to check whether the PV is grounded.
When to call a service technician: Have an installer check the PV grounding. If it does not return to normal, contact your installer or Deye support.
✎ 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] Deye Three Phase Hybrid Inverter SUN-5-12KWSG04LP3 Fault List , p. 1 manufacturer document – copy from a distributor quote verified
F4 GFDI_Ground_Failure
- [2] Deye Three Phase Hybrid Inverter SUN-5-12KWSG04LP3 Fault List , p. 1 manufacturer document – copy from a distributor quote verified
check whether the PV is grounded
- [3] Deye Three Phase Hybrid Inverter SUN-5-12KWSG04LP3 Fault List , p. 1 manufacturer document – copy from a distributor quote verified
Seek help from us, if can not go back to normal state