Partner Academy · EcoBSS / FLEX
Fault
3P HV
F17
Tz_PV_OverCurr_Fault
PV overcurrent fault
Academy field checklist (Tz_PV_OverCurr_Fault) — no EcoBSS service-table row for this bit.
Register map
- Family
- Three-phase HV
- Register
- 556
- Bit
- 0
Field checks
- Check PV string current vs MPPT rating; look for reverse current or damaged modules.
- Verify polarity and string configuration before restart.
- Contact Inversol if the fault returns after a clean power cycle.
FAQ
What does EcoBSS F17 mean?
PV overcurrent fault
What should I check for EcoBSS F17?
- Check PV string current vs MPPT rating; look for reverse current or damaged modules.
- Verify polarity and string configuration before restart.
- 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).