LG Range Error Code F17

The F17 code on an LG range indicates that the lower oven convection fan motor has an open circuit condition and failed to run for a cumulative one minute during a convection operation cycle. The control board monitors fan activity and triggers this code when the fan is not responding as expected. It points to a problem with the fan motor itself, the wiring leading to it, or a connector in the circuit.

Using standard bake or broil functions may still be possible since those do not rely on the convection fan, but convection cooking modes will not perform correctly without a working fan. Continuing to attempt convection cooking with a failed motor is not advisable, as it can lead to uneven cooking and may stress other components. Addressing the fault before regular heavy use is recommended.

Resetting the range by cutting power at the breaker or unplugging it may temporarily clear the F17 code, but the error will return as soon as the oven attempts to run the convection fan again and detects the same open circuit condition. A reset does not fix the underlying problem. The motor, wiring, and connectors need to be inspected and tested to resolve the fault permanently.

A knowledgeable DIYer can handle some of the diagnostic steps, such as inspecting the wiring harness, reseating connectors, and using a multimeter to check motor resistance. If the motor tests open, replacing the convection fan motor is a moderately involved repair that requires pulling the oven and accessing the rear or bottom panel. If you are not comfortable working around appliance wiring, a qualified technician is the safer choice.

If the repair requires a new convection fan motor, parts typically run in the range of $40 to $120 depending on the specific model. Adding professional labor, the total repair cost often falls between $150 and $350. If only a wiring repair or connector replacement is needed, costs can be considerably lower.