E01
L’OR Water Tank Detection Failure

Machine does not start brewing, display shows E01 shortly after pressing the coffee button.

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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

Water tank not seated correctly, Water tank magnet or float stuck, Water level sensor failure on base, Connector or PCB sensor circuit fault

How to Fix / Troubleshooting

Safety first: Unplug the coffee maker before inspecting parts. Never work on the machine while it is connected to mains power.

  • Check water tank seating: Remove the water tank completely and reinsert it firmly until it clicks into place. Ensure it is fully down on the base contacts or alignment rails.
  • Inspect water level float: Look inside the L’OR water tank for the small plastic float (often with a magnet). Make sure it moves freely up and down. If stuck, rinse the tank with warm water and mild detergent, then move the float gently with a non‑metallic tool.
  • Clean tank sensor area: On the machine base where the tank sits, wipe the sensor area and any metal contacts with a soft, slightly damp cloth, then dry thoroughly.
  • Reset the machine: With the tank refilled and properly seated, plug the machine back in and power it on. Wait 30–60 seconds, then try a rinse or espresso cycle.
  • If E01 persists: The internal water level sensor or main control PCB may be faulty. Do not open the housing unless you are qualified; contact an authorized L’OR service center.
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Repair Difficulty

Medium 3/5

Required Part

Water Tank Assembly
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