Partner Academy · EcoBSS / FLEX
Fault
3P LV
F22
Tz_EmergStop_Fault
Emergency stop / grid disconnect fault
EcoBSS service: emergency stop / remote shutdown indication.
Register map
- Family
- Three-phase LV (FLEX 3L)
- Register
- 556
- Bit
- 5
Field checks
- Confirms the inverter was shut down remotely (or via emergency-stop path).
- Clear the remote/EMS stop command, then restart if required.
- Contact Inversol if shutdown was not commanded and the fault returns.
FAQ
What does EcoBSS F22 mean?
Emergency stop / grid disconnect fault
What should I check for EcoBSS F22?
- Confirms the inverter was shut down remotely (or via emergency-stop path).
- Clear the remote/EMS stop command, then restart if required.
- Contact Inversol if shutdown was not commanded and the fault returns.
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).