KitchenAid Refrigerator Error Code SH + FC compartment sensor shorted or open

This code means the control board has detected an electrical fault with the freezer compartment temperature sensor. The sensor is either shorted, producing abnormally low resistance, or has an open circuit, producing no readable resistance at all. In either condition, the refrigerator cannot accurately monitor freezer temperatures. The sensor, its wiring harness, and connector should all be inspected and tested.

It is not recommended to rely on the refrigerator for food storage while this fault is active. Without a functioning FC sensor, the control board cannot properly regulate freezer temperatures, which means the freezer may run too warm or too cold without any indication. Perishable foods could be at risk, and continued operation with an unmonitored system could mask a more serious cooling problem.

A power reset by unplugging the unit for a few minutes may temporarily clear the error from the display, but the code will return if the underlying fault with the FC sensor or its wiring has not been corrected. Resetting without repairing is not a solution and can delay diagnosis while the freezer operates without accurate temperature monitoring. The root cause must be identified and repaired to permanently clear the fault.

A knowledgeable DIYer can diagnose this fault by using a multimeter to check the resistance of the FC thermistor and continuity through its wiring harness. If the sensor is faulty, replacing the thermistor is a straightforward repair on most KitchenAid models. However, if the wiring harness or control board is involved, the repair may be more involved and could warrant professional service.

If only the thermistor needs replacement, parts typically cost in the range of $15 to $50, and the repair is relatively inexpensive if done without a service call. If a wiring harness repair or main control board replacement is required, total costs including labor can range from $150 to $400 or more. Getting a diagnostic service call first is a good way to identify exactly which component needs replacement before committing to parts.