Frigidaire Dryer Error Code F 02

F 02 means the electronic control board has detected that the control temperature sensor circuit is either open or shorted. The sensor is a thermistor that should measure approximately 50,000 ohms at room temperature. When the resistance falls outside the acceptable range, the dryer stops operating and displays this code. The fault can originate from the sensor itself, the wiring harness, or in rare cases the control board.

You should not continue using the dryer while F 02 is active. The control temperature sensor plays a direct role in monitoring heat levels inside the dryer. Without accurate sensor data, the control board cannot properly regulate the heating system, which creates a potential overheating risk. Discontinue use until the fault has been diagnosed and corrected.

Resetting the dryer by unplugging it for a few minutes may temporarily clear the F 02 code, but it will return if the underlying fault in the sensor, wiring, or control board has not been corrected. The code is triggered by a real electrical condition that the control board detects each time it powers on and reads the sensor circuit. A permanent fix requires identifying and replacing or repairing the faulty component.

Many DIYers can resolve F 02 by testing and replacing the control temperature sensor. You will need a multimeter to measure the sensor resistance after disconnecting the wires: a reading outside 45,000 to 55,000 ohms means the sensor should be replaced. If the sensor tests good, inspecting and reseating the wiring connectors is also within reach for most technically inclined homeowners. Replacing the electronic control board is more advanced and may be better suited to a professional technician.

If only the control temperature sensor needs replacement, parts typically cost in the range of $15 to $50 depending on the specific model. A wiring harness repair or connector replacement is usually low cost. If the electronic control board is the root cause, board replacement parts generally range from $80 to $200 or more, and professional labor will add to that total. Diagnosing the fault with a multimeter before ordering parts helps avoid unnecessary expenses.