GE Washer Error Code F/05

F/05 means the washer's control board detected that the water temperature sensor (NTC thermistor) is reading a value outside the acceptable range during the water heating step of the wash cycle. The washer stops the cycle to prevent heating problems. This fault points to a failed sensor, a loose connector, or a wiring issue in the sensor circuit.

It is not recommended to continue running the washer while F/05 is active. The washer cannot verify that water heating is functioning correctly, which means your laundry may not be properly cleaned and the heating element could be operating in an uncontrolled state. Address the fault before resuming normal use.

Repair costs vary depending on the root cause. An NTC temperature sensor is generally an inexpensive part, and DIY repair costs are typically in the range of $15 to $40 for the part alone. If a professional technician is needed, total repair costs including labor can range from $100 to $250 depending on local labor rates. A control board replacement, if required, will push costs higher.

Yes, in many cases this is a DIY-friendly repair. Start by unplugging the washer and inspecting the temperature sensor connector for looseness or corrosion, since a simple reconnection sometimes resolves the fault. If the connector looks fine, testing the NTC sensor with a multimeter and replacing it if it reads open or shorted is a straightforward repair for someone comfortable working with appliance components.

Resetting the washer by unplugging it for a few minutes may temporarily clear the code, but the fault will return as soon as the washer reaches the water heating step if the underlying problem has not been corrected. A reset is useful for confirming whether the fault is intermittent, but it is not a fix for a failed sensor or damaged wiring.