E2
KitchenAid
Ice Level or Bin Thermistor Failure
Ice maker runs but does not produce ice; bin remains empty
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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 thermistor, open or shorted ice level sensor, loose thermistor harness at control board, out-of-range thermistor reading due to corrosion
How to Fix / Troubleshooting
Safety: Disconnect power before accessing internal components.
- Check bin temperature: Confirm the ice bin area is cold (below freezing). If the bin is warm, you may have a refrigeration issue instead.
- Locate bin thermistor: On KitchenAid undercounter ice makers, the bin thermistor is usually mounted on or near the ice bin wall or chute.
- Inspect wiring: Check the thermistor harness for pinched, broken, or corroded wires. Reseat the connector at both the thermistor and control board.
- Test thermistor resistance: With the thermistor at room temperature (~77°F/25°C), measure resistance with a multimeter. Compare to the service tech sheet for your model. An open (OL) or 0 ohm reading indicates a failed sensor.
- Replace thermistor: If readings are out of spec, replace the KitchenAid bin thermistor or ice level sensor with the correct OEM part.
- Reset power: Restore power and allow a full ice-making cycle (up to 24 hours) to verify operation.
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Repair Difficulty
Medium
3/5
Required Part
Bin Thermistor
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