Partner Academy · EcoBSS / FLEX
Fault
3P LV
F39
DCLLC_Over_Current
DC-LLC hardware overcurrent
Academy field checklist (DCLLC_Over_Current) — no EcoBSS service-table row for this bit.
Register map
- Family
- Three-phase LV (FLEX 3L)
- Register
- 557
- Bit
- 6
Field checks
- Reduce DC-side stress (PV current / storage power); inspect LLC / DC hardware path for shorts.
- Do not keep hard-restarting into hardware overcurrent.
- Contact Inversol if the fault returns after a clean power cycle.
FAQ
What does EcoBSS F39 mean?
DC-LLC hardware overcurrent
What should I check for EcoBSS F39?
- Reduce DC-side stress (PV current / storage power); inspect LLC / DC hardware path for shorts.
- Do not keep hard-restarting into hardware overcurrent.
- 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).