Kenmore Dryer Error Code E72

E72 indicates a short circuit in the Outlet Control Thermistor circuit. The control board has detected a resistance reading from the exhaust thermistor that falls below the acceptable range of 4.9K to 6.2K Ohm at room temperature. This points to either a defective thermistor or a fault in the wiring connecting it to the board. The dryer uses this sensor to regulate heat, so it will not operate normally until the fault is resolved.

A power reset may temporarily clear the E72 code, but it will return if the underlying fault in the thermistor or wiring is not corrected. The control board continuously monitors thermistor resistance during operation, so any persistent short circuit condition will trigger the error again. Clearing the code without repairing the defective component is not a lasting solution.

Repair costs depend on whether the thermistor, the wiring harness, or both need to be replaced. A replacement thermistor typically falls in the range of $15 to $50 for the part alone. If you hire a technician, total costs including labor generally range from $75 to $200 depending on your location and the extent of the repair needed.

A knowledgeable DIYer with a multimeter can diagnose this code by testing the Outlet Control Thermistor resistance at room temperature and inspecting the wiring harness for visible damage. If the thermistor reads outside the 4.9K to 6.2K Ohm range, it needs to be replaced. Wiring repairs or replacements are also manageable for someone comfortable working on appliances, but the dryer must be unplugged before any disassembly.

Running the dryer with an active E72 error is not recommended. The Outlet Control Thermistor is part of the heat regulation system, and a short circuit in that circuit means the control board cannot accurately monitor exhaust temperatures. Operating the dryer without reliable temperature sensing increases the risk of overheating, which could damage the appliance or create a fire hazard.