Samsung Range Error Code E-22

The E-22 error code on a Samsung range indicates that the oven temperature sensor has shorted, meaning the sensor is reading an abnormally low resistance value. The oven temperature sensor is a resistive temperature device (RTD) that changes resistance in proportion to temperature. Under normal room temperature conditions, the sensor should read a specific resistance value within an expected range. When the resistance drops below the acceptable threshold due to a short circuit condition, the control board interprets this as a fault and triggers the E-22 code.

A shorted sensor typically means the internal resistive element has failed, the sensor wiring has developed a short to ground or to another conductor, or moisture and contamination have compromised the sensor circuit. The control board continuously monitors the resistance signal from the sensor during operation. When it detects resistance values that fall outside the expected range on the low end, it cannot accurately regulate oven temperature and shuts down the heating function to prevent unsafe operation.

Diagnosing this code begins with disconnecting electrical power to the range and removing the upper rear cover panel to access the sensor wiring and connector. Measuring resistance at the sensor terminals at room temperature will confirm whether the sensor itself is faulty. If the resistance reading is abnormally low or reads near zero ohms, the sensor has internally shorted and requires replacement. If resistance appears normal at the sensor, inspect the wiring harness for pinched, burned, or shorted conductors between the sensor and the control board.