Manitowoc Bin Overfill / Bin Control Failure

Ice maker produces ice but bin overflows or does not stop making ice.

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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

Failed bin level probe, Misaligned or bypassed bin switch, Control board not responding to bin full signal, Ice bridging over sensor

How to Fix / Troubleshooting

Safety first: Disconnect power before working near the bin sensor. Remove excess ice to prevent falling chunks.

Steps:

  • Inspect bin level sensor: Clean the bin level probe or switch area. Ensure it is not buried in ice or blocked.
  • Check alignment: For IR or ultrasonic sensors, verify emitter and receiver alignment. For mechanical switches, ensure the actuator moves freely.
  • Test function: With power on, manually actuate the bin switch (if accessible) and confirm the unit responds by stopping ice production.
  • Replace faulty parts: If the sensor does not change state or the control ignores it, replace the bin level probe/switch or main control board as needed.
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Repair Difficulty

Medium 3/5

Required Part

Bin Level Probe
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