Partner Academy · EcoBSS / FLEX
Fault
3P LV
F58
BMS_Communication_Fault
BMS communication fault
EcoBSS service: BMS communication fault.
Register map
- Family
- Three-phase LV (FLEX 3L)
- Register
- 558
- Bit
- 9
Field checks
- Check energy-storage voltage.
- If it is too low, charge from PV or from the grid.
- Contact Inversol if the fault does not clear.
FAQ
What does EcoBSS F58 mean?
BMS communication fault
What should I check for EcoBSS F58?
- Check energy-storage voltage.
- If it is too low, charge from PV or from the grid.
- Contact Inversol if the fault does not clear.
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).