Samsung Refrigerator Error Code Freezer LOW

Freezer LOW indicates that the freezer's outer air sensor is sending a temperature reading above +50°C or below -50°C, values that are outside any physically possible normal operating range. The control board treats these impossible readings as a sensor fault rather than an actual temperature condition. The error is triggered by a disconnected sensor housing, a loose or damaged wiring connector, an open or shorted wire, or a sensor that has failed internally.

A power reset may temporarily clear the code from the display, but the error will return if the underlying fault, such as a loose connection or faulty sensor, has not been corrected. Resetting without fixing the root cause means the sensor is still providing unreliable data, which can affect how the refrigerator manages freezer temperature. Always diagnose and repair the fault before relying on a reset to confirm the problem is resolved.

If the fix is simply reseating the sensor housing or securing a loose connector, there may be no parts cost at all, though a service call from a technician typically runs in the range of $75 to $150 for labor. If the outer sensor needs replacement, the part itself generally costs in the range of $20 to $60, with total repair costs including labor falling roughly between $100 and $200 depending on your location and service provider. Wiring harness repairs can vary more widely depending on the extent of the damage.

Many cases of this error are caused by a loose connector or a sensor housing that has simply come unseated, both of which a careful DIYer can inspect and correct without special tools. If the wiring appears intact and properly connected, testing the sensor with a multimeter requires basic electrical knowledge but is manageable for someone comfortable with appliance repair. If the sensor itself has failed, replacing it is a straightforward part swap once the correct component is sourced.

Because the faulty sensor can prevent the control board from accurately monitoring freezer temperature, the refrigerator may not maintain proper cooling or may run its compressor incorrectly while this error is active. Food safety can be at risk if the freezer temperature is not being regulated correctly. It is best to address the fault promptly and verify the freezer is holding its target temperature before trusting it with perishable items.