Miele Freezer Error Code F144

F144 indicates that the freezer door was detected as open or ajar for a continuous period of 15 minutes. This fault is stored internally in the control board's memory and is not shown on the customer-facing display. It is typically retrieved by a technician during a diagnostic read of the appliance fault log. The first corrective step is to ensure the door is fully closed and that the gasket and hinges are in good condition.

If the door is currently closed and sealing correctly, the freezer can continue to operate normally. However, if the underlying cause has not been corrected, repeated open-door events will force the compressor to run harder and may lead to excessive ice buildup on the evaporator over time. It is advisable to identify and fix the root cause promptly to protect both food safety and the longevity of the appliance.

If the fix is simply closing the door or rearranging contents, there is no cost involved. Replacing a worn door gasket typically runs in the range of $50 to $150 for parts, plus labor if a technician is involved. A door switch replacement is generally similar in parts cost. Hinge repair or door realignment costs vary depending on the severity of the misalignment and local labor rates.

Start by closing the door completely and removing any items that may be blocking it. Inspect the door gasket for damage or deformation and check that the door is properly aligned on its hinges. If the gasket is worn, replacing it should resolve recurring faults. If the door appears properly closed and sealed but the fault continues to be logged, the door switch may need to be tested and replaced.

A reset may clear the logged fault from the active error memory, but it will not resolve the underlying issue that caused the door to remain open. If the gasket, door alignment, or door switch is at fault, the code will return the next time the door fails to close properly for 15 minutes. Addressing the physical cause of the open-door condition is necessary for a lasting fix.