Partner Academy · EcoBSS / FLEX
Fault
3P LV
F34
AC_Overlooad_Fault
AC overload fault
EcoBSS service: AC overload / overcurrent.
Register map
- Family
- Three-phase LV (FLEX 3L)
- Register
- 557
- Bit
- 1
Field checks
- Check connected emergency loads and ensure they are within the power range.
- Contact Inversol if the problem does not clear.
FAQ
What does EcoBSS F34 mean?
AC overload fault
What should I check for EcoBSS F34?
- Check connected emergency loads and ensure they are within the power range.
- Contact Inversol if the problem 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).