Partner Academy · EcoBSS / FLEX
Warning
3P HV
W31
Battery_comm_warn
Energy storage communication warning
Academy field checklist (Battery_comm_warn) — no EcoBSS service-table row for this bit.
Register map
- Family
- Three-phase HV
- Register
- 554
- Bit
- 14
Field checks
- Check CAN/RS485 to the energy storage, DIP addresses, and that BMS is awake.
- Verify cable integrity and termination on long runs.
- Contact Inversol if the fault returns after a clean power cycle.
FAQ
What does EcoBSS W31 mean?
Energy storage communication warning
What should I check for EcoBSS W31?
- Check CAN/RS485 to the energy storage, DIP addresses, and that BMS is awake.
- Verify cable integrity and termination on long runs.
- 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).