Partner Academy · EcoBSS / FLEX
Fault
3P LV
F3
GFDI_Failure
DC leakage / GFDI fault
Academy field checklist (GFDI_Failure) — no EcoBSS service-table row for this bit.
Register map
- Family
- Three-phase LV (FLEX 3L)
- Register
- 555
- Bit
- 2
Field checks
- Disconnect PV, verify PE earth continuity, then restart.
- If it returns, check the leakage/GFDI sensor path and cable sheath damage.
- Contact Inversol if the fault returns after a clean power cycle.
FAQ
What does EcoBSS F3 mean?
DC leakage / GFDI fault
What should I check for EcoBSS F3?
- Disconnect PV, verify PE earth continuity, then restart.
- If it returns, check the leakage/GFDI sensor path and cable sheath damage.
- Contact Inversol if the fault returns after a clean power cycle.
When should I contact Inversol?
Confirm LV vs HV family on the nameplate, complete the field checks, then contact Inversol with model, SN, family, and a photo if the code returns after a clean power cycle.
Partner lookup from EcoBSS Flex register map V1.2 — not a substitute for the official service manual or live measurements. Always match the inverter family (3P LV / FLEX 3L vs 3P HV).