Partner Academy · EcoBSS / FLEX
Fault
3P LV
F50
AC_V_GridCurr_DcHigh_Fault
Phase V grid current DC component high
Academy field checklist (AC_V_GridCurr_DcHigh_Fault) — no EcoBSS service-table row for this bit.
Register map
- Family
- Three-phase LV (FLEX 3L)
- Register
- 558
- Bit
- 1
Field checks
- Same DC-component check as F49 on phase V.
- Compare U/V/W sensor readings for one bad channel.
- Contact Inversol if the fault returns after a clean power cycle.
FAQ
What does EcoBSS F50 mean?
Phase V grid current DC component high
What should I check for EcoBSS F50?
- Same DC-component check as F49 on phase V.
- Compare U/V/W sensor readings for one bad channel.
- 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).