Honda Miimo HRM40 LIVE: Boundary / loop signal fault

What this fault means

Miimo cannot detect or correctly interpret the boundary installation.

Safety: Stop the mower and follow the manufacturer safety instructions before physical inspection.

Step-by-step checks

1. Confirm docking station power.
2. Inspect boundary wire connections and known joints.
3. Check whether the fault is global or location-specific.
4. Test a short known-good loop if the manual/dealer process supports it.
5. Persistent known-good loop failure requires mower/station receiver diagnosis.

Evidence source: Manufacturer/support reference

Evidence checked 2026-08-25. Diagnostic procedures are labelled separately from manufacturer-exact error instructions.

Did one of these checks actually fix the mower?

Confirmed repair outcomes improve MowerFixAI for the next owner and help separate common symptoms from real component failures.