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Husqvarna Automower 405XE NERA: No correction data / Searching for satellites

EPOS / positioning · Evidence: manufacturer-backed

What this fault means

Wire-free positioning has insufficient satellite view, correction data or connectivity.

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

Step-by-step checks

  1. Move the mower to open sky and check whether satellite/EPOS status recovers.
  2. Confirm the docking point/reference setup has a good sky view; this is more important than repeatedly remapping.
  3. Check internet/cellular connectivity where cloud correction data is used.
  4. Inspect whether the fault is local to trees/buildings; use supported wire assistance where available rather than deleting a good map.
  5. Record exact EPOS status and firmware if the failure began after an update.

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.

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