Partner Academy · EcoBSS / FLEX
Warning
3P HV
W1
reserve
Reserved / unused warning bit
Academy field checklist (reserve) — no EcoBSS service-table row for this bit.
Register map
- Family
- Three-phase HV
- Register
- 553
- Bit
- 0
Field checks
- Reserved bit — usually ignore unless the logger shows it stuck with a real fault.
- Capture model, SN, family, and a screenshot before escalating.
- Contact Inversol if the fault returns after a clean power cycle.
FAQ
What does EcoBSS W1 mean?
Reserved / unused warning bit
What should I check for EcoBSS W1?
- Reserved bit — usually ignore unless the logger shows it stuck with a real fault.
- Capture model, SN, family, and a screenshot before escalating.
- 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).