De Dietrich Control or Sensor Instability

Refrigerator cycles on and off very frequently (short cycling).

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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

Temperature sensor located too close to cold air outlet, Oversensitive thermostat settings, Main PCB hysteresis parameters incorrect, Poor door sealing causing rapid temperature swings

How to Fix / Troubleshooting

Safety first: Unplug the refrigerator before moving sensors or accessing the control board.

Steps:

  • 1. Check door seals: Ensure gaskets seal properly and doors are not frequently opened unnecessarily.
  • 2. Verify sensor placement: Make sure the refrigerator NTC is not directly in the cold air stream; reposition if necessary according to service instructions.
  • 3. Reset controls: Return temperature settings to factory defaults and disable any special modes.
  • 4. If short cycling persists: The control board may require reprogramming or replacement by a technician.
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Repair Difficulty

Medium 3/5

Required Part

Refrigerator Compartment NTC Temperature Sensor
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