Miele Washer Error Code F4145

F4145 means the washer made five unsuccessful attempts to unlock the door and then stopped trying. The control board logs this code when it cannot confirm that the door lock has released after repeated unlock commands. The root cause is typically a faulty door lock assembly, a wiring fault, or a failed lock position sensor.

You should not attempt to run another wash cycle while F4145 is active. The washer has halted operation because it cannot reliably control the door lock, and running a cycle with a compromised lock system could result in the door opening during operation or water leakage. Address the fault before resuming use.

If only the door lock assembly needs replacement, parts and labor typically range from around $150 to $350 depending on your region and the specific model. If the control board is the cause, repair costs can range from $300 to $600 or more. Getting a diagnostic visit from a Miele-authorized technician is recommended to confirm the failed component before committing to parts costs.

A knowledgeable DIYer can inspect the wiring harness and door latch area for obvious damage or obstructions without specialized tools. However, replacing the door lock assembly or diagnosing a control board fault requires disassembly of the front panel and access to internal components, which most homeowners should leave to a qualified technician. If the door is stuck closed, do not force it open as this can damage the latch strike or door seal.

A power cycle reset may temporarily clear the error code display, but it will not repair the underlying fault. If the door lock assembly or wiring is defective, the error will return as soon as the machine attempts to unlock the door again. A reset is useful for ruling out a one-time software glitch, but repeated recurrence confirms a hardware problem that needs to be repaired.