E019
Ambrogio Wheel Encoder / Hall Sensor Fault

Robot shows E019 and stops, wheel encoder error or distance measurement fault

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Encoder magnet ring damaged, Hall sensor misaligned, Dirt blocking encoder, Broken encoder cable

How to Fix / Troubleshooting

Safety first: Turn OFF the robot and tip it on its side on a soft surface.

  • Inspect wheel hubs: On many Ambrogio models, the wheel encoder magnet ring is integrated into the wheel or motor. Check for cracks, missing magnets, or heavy dirt buildup.
  • Clean encoder area: Use a soft brush to remove dirt and grass from around the encoder and sensor.
  • Check sensor wiring: Trace the small encoder cable from the wheel motor to the main board. Ensure connectors are secure and wires are not cut.
  • Test movement: After cleaning, power ON and run a short test. If E019 reappears on the same side, the encoder sensor or motor assembly may need replacement.
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Repair Difficulty

Hard 4/5

Required Part

Wheel Motor with Encoder
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