Miele Oven Error Code F265

F265 indicates a PEC fault, which is an internal fault within the oven's Power Electronics Control module. This module manages power distribution and temperature regulation across the oven's systems. The fault is most commonly linked to a problem with the cavity temperature sensor or the cooling fan. The oven stops operating to prevent further damage when this error is detected.

You should not attempt to use the oven while F265 is active. The error indicates the internal control electronics have detected a fault condition, and continued operation could result in uncontrolled temperatures or further component damage. Stop using the oven and arrange for a diagnostic inspection before operating it again.

Repair costs vary depending on the root cause. Replacing a cavity temperature sensor or cooling fan motor is typically a lower-cost repair, often in the range of $100 to $300 including parts and labor. If the PEC control board itself needs replacement, costs can range from $300 to $600 or more depending on parts availability and service rates in your area.

Some causes of F265 are accessible to a knowledgeable DIYer, such as inspecting the cooling fan for obstructions or checking wiring connections for looseness or corrosion. Testing the cavity temperature sensor for correct resistance values is also possible with a multimeter. However, if the PEC control board itself has failed, replacement involves working with high-voltage components and is best handled by a qualified technician.

A power reset by turning off the oven at the circuit breaker for a few minutes may temporarily clear the fault display, but the error will return if the underlying cause has not been resolved. The fault points to a real hardware issue with the temperature sensor, cooling fan, or control electronics. A reset alone is not a repair.