Kenmore Refrigerator Error Code Refrigerator Sensor (1)

This code means the main control board has detected an abnormal signal from the primary refrigerator compartment temperature sensor. The board has identified either an open circuit (cut or broken wire) or a short circuit in the sensor circuit connected at CON7 on the main PCB. Without a valid temperature reading, the refrigerator cannot properly regulate cooling. The issue may originate at the connector, the wiring harness, or the sensor itself.

It is not advisable to rely on the refrigerator for food storage while this error is active. Because the main board cannot accurately read compartment temperature, it may not cool sufficiently to keep food safe. Perishable items should be moved to another refrigerator until the fault is diagnosed and corrected.

A power reset may temporarily clear the error code from the display, but it will return as soon as the control board performs its next sensor check and detects the same abnormal condition. The underlying fault in the sensor circuit, whether a loose connector, damaged wiring, or failed thermistor, must be physically corrected before the code will clear permanently.

Start by locating connector CON7 on the main PCB and checking that it is firmly seated with no bent or corroded pins. If the connection looks good, trace the sensor wiring harness for any cuts, pinches, or chafed insulation. If the wiring is intact, test the thermistor resistance with a multimeter to determine whether the sensor itself has failed and needs replacement.

Repair costs vary depending on the root cause. If the fix is simply reseating a loose connector, there may be no parts cost at all. Replacing a thermistor sensor typically costs in the range of $15 to $50 for the part, while replacing a wiring harness can range from $30 to $100 or more depending on the harness assembly. Adding professional labor will increase the total, generally ranging from $100 to $250 for the complete repair visit.