Maytag Temperature Fluctuation / Control Instability

Freezer interior temperature fluctuates widely, causing partial thawing and refreezing.

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

Faulty thermostat or thermistor, Control board cycling incorrectly, Door frequently opened, Freezer installed in very cold garage (below design temp)

Safety first: Unplug before internal checks.

Check environment: Ensure the freezer is not in an area below the minimum ambient temperature specified by Maytag; very cold rooms can cause erratic operation.
Monitor with thermometer: Track temperature over 24–48 hours with a separate thermometer.
Inspect door usage: Reduce frequent or prolonged door openings.
Test and replace sensors: Check the thermostat or thermistor and replace if readings are unstable. If sensors are good, suspect the electronic control board.

Medium 3/5

Cold Control Thermostat

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