Partner Academy · EcoBSS / FLEX
Fault
3P HV
F16
GFCI_Failure
GFCI (RCD) AC leakage fault
EcoBSS service: AC leakage / GFCI fault.
Register map
- Family
- Three-phase HV
- Register
- 555
- Bit
- 15
Field checks
- Check PV-side cable earthing / insulation to earth.
- Restart the system 2–3 times.
- If the fault remains, contact Inversol.
FAQ
What does EcoBSS F16 mean?
GFCI (RCD) AC leakage fault
What should I check for EcoBSS F16?
- Check PV-side cable earthing / insulation to earth.
- Restart the system 2–3 times.
- If the fault remains, contact Inversol.
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).