Partner Academy · EcoBSS / FLEX
Fault
3P LV
F15
SW_AC_OverCurr_Fault
AC software overcurrent fault
EcoBSS service: AC overcurrent (software).
Register map
- Family
- Three-phase LV (FLEX 3L)
- Register
- 555
- Bit
- 14
Field checks
- Check that emergency (UPS) and common loads are within the allowed power range.
- Restart and verify correct operation.
- Contact Inversol if the fault does not clear.
FAQ
What does EcoBSS F15 mean?
AC software overcurrent fault
What should I check for EcoBSS F15?
- Check that emergency (UPS) and common loads are within the allowed power range.
- Restart and verify correct operation.
- 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).