KitchenAid Nuisance Alarm / Sensor Calibration Issue

Freezer beeps intermittently and shows a door or temperature alarm, but temperatures seem normal.

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Possible Causes

Door switch intermittent, Thermistor slightly out of calibration, Control board firmware glitch, Electrical noise on sensor lines

How to Fix / Troubleshooting

Safety first: Most checks can be done with power on; unplug before removing panels.

  • Step 1 – Verify actual temperature: Use an appliance thermometer to confirm the freezer is near 0°F.
  • Step 2 – Check door switch and gasket: Ensure the door closes firmly and the switch is actuated every time.
  • Step 3 – Power reset: Unplug the freezer for 5–10 minutes to reset the control, then monitor for recurring alarms.

If nuisance alarms continue, a slightly out-of-range thermistor or control board may be the cause and should be evaluated by a technician.

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Repair Difficulty

Easy 2/5

Required Part

Freezer Thermistor
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