Ikea Intermittent Temperature Control

Freezer temperature fluctuates widely, sometimes freezing too hard and sometimes too warm.

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.

Possible Causes

Loose temperature sensor connection, Intermittent control board fault, Poor door seal causing variable load, Fan motor intermittently stopping

Safety: Unplug before accessing sensors or boards.

Steps:

1. Monitor pattern: Note if fluctuations coincide with door openings or defrost cycles.
2. Check sensor connections: Reseat the freezer NTC sensor connector at both the sensor and control board.
3. Inspect wiring: Look for intermittent breaks or corrosion in the sensor harness.
4. Fan operation: Ensure the evaporator fan runs consistently when the compressor is on.
5. Replace suspect parts: Replace the sensor or control board if intermittent faults are confirmed.

Medium 3/5

Freezer NTC Temperature Sensor

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