Error 9
Gardena Docking Alignment Failure

Display shows “Error 9 – Stuck in charging station, Mower limited” or similar, mower repeatedly tries and fails to dock correctly.

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Possible Causes

Guide wire not centered under charging station, Station installed on uneven or sloping ground, Worn or damaged front caster/guide wheel, Loose charging station base plate

How to Fix / Troubleshooting

Safety first: Switch OFF the mower before adjusting the station.

  • Check guide wire alignment: The guide wire must run straight under the center of the charging station for at least 1–2 m before the base. Re-lay the wire if it curves or deviates.
  • Level the base: Use a spirit level to ensure the station is flat. Add soil or a firm base plate under the station if necessary.
  • Inspect front wheel: Check the front caster or nose wheel on the mower for free rotation and damage. Replace if seized or broken.
  • Secure station: Tighten the ground screws or stakes holding the station so it cannot move when the mower docks.
  • Test docking: Start a “Return to station” command and observe the final approach. Fine-tune the station angle so the mower enters straight.

Continued docking errors may indicate a bent chassis or misaligned charging contacts that require professional adjustment.

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Repair Difficulty

Easy 2/5

Required Part

Gardena Guide Wire
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