Miele Oven Error Code F 23

F 23 is a pre-heat self-clean fault indicating the oven did not reach 460°F within the required time during the startup phase of a self-cleaning cycle. The oven's control board monitors cavity temperature during this phase and aborts the cycle if the threshold is not met. This fault points to a problem in the heating circuit, temperature sensing, or door locking system. The oven will not complete a self-clean cycle until the underlying issue is resolved.

The F 23 fault specifically prevents the self-clean cycle from running, but normal baking and broiling functions may still operate depending on the nature of the fault. If a heating element or temperature sensor is failing, normal cooking performance may also be compromised or unreliable. It is best to avoid using the oven for any function until the fault has been diagnosed and repaired.

Repair costs vary depending on which component has failed. A replacement temperature sensor typically runs in the range of $30 to $80 for the part, while a heating element can range from $50 to $150 or more. Door latch assemblies and control boards are generally more expensive components. Adding professional labor, total repair costs commonly fall between $150 and $500 depending on the diagnosis.

Some causes, such as a loose wiring connector or a visibly burned heating element, can be identified by a knowledgeable DIYer. However, testing components like the temperature sensor with a multimeter and safely accessing internal oven components requires comfort with appliance repair. Given the high-voltage circuits and precise calibration involved, many technicians recommend professional diagnosis for this fault.

Resetting the oven by cutting power at the circuit breaker may temporarily clear the displayed error, but the fault will return when the self-clean cycle is attempted again if the underlying component problem has not been fixed. A reset does not repair failed elements, sensors, or latch motors. Clearing the code without addressing the root cause does not restore safe self-clean operation.