E1
Fellow Sensor Communication Error

Display shows “E1” and the coffee maker or kettle will not start.

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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

Loose sensor connector on control board, Damaged sensor harness, Oxidized connector pins

How to Fix / Troubleshooting

Safety first: Unplug the unit.

  • Power cycle: Unplug for 2–3 minutes, then plug back in and test.
  • Check for impact or drop history: If the unit was dropped, internal connectors may have loosened.
  • Advanced (for technicians): Remove the bottom cover, locate the sensor harness connector on the PCB, and reseat it. Inspect for corrosion or broken wires.
  • If E1 persists: Replace the sensor harness or the entire sensor assembly as specified for your Fellow model.
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Repair Difficulty

Professional Required 5/5

Required Part

Temperature Sensor Harness
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