Freezer temperature display shows SH; freezer may run too cold or control may be erratic.

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

Shorted freezer thermistor, Moisture in thermistor connector, Pinched thermistor wiring, Main control sensor input fault

Safety First: Disconnect power before working in the freezer compartment.

1. Inspect thermistor: Access the freezer thermistor and check for moisture, corrosion, or crushed wiring.
2. Dry and clean: Dry any moisture and clean connectors. Reseat the thermistor plug.
3. Replace thermistor: If SH remains, replace the freezer thermistor.
4. Control board: If a new thermistor does not resolve the error, the main control board may be defective.

Medium 3/5

Freezer Thermistor

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