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Error code reference

Miele Refrigerator Error Code F144

Freezer door open for 15 minutes (not visible to customer).

Miele codesMiele refrigerator codes

Freezer door open for 15 minutes (not visible to customer).

First step from the service manual

Close the door.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F144 means on a Miele refrigerator

F144 is an internal alert on Miele refrigerators that triggers when the freezer compartment door has remained open for a continuous period of 15 minutes. This code is classified as not visible to the customer, meaning it is logged internally by the appliance control board but does not necessarily display as a prominent warning on the user interface. The system monitors door status through a door switch or sensor that feeds a continuous signal to the main control board. When that signal indicates an open state for the defined time threshold, the F144 event is recorded.

The primary purpose of this monitoring function is to protect the freezer compartment from temperature rise and excess frost accumulation. An open door allows warm, humid ambient air to enter the freezer, forcing the compressor to work harder and potentially compromising stored food. The 15-minute window is intentional, designed to distinguish a genuinely open or ajar door from brief access during normal use.

Common root causes include a door that was not fully closed after loading groceries, a door gasket that is worn or deformed and prevents a proper seal, or a physical obstruction such as a food package or ice buildup blocking the door from closing completely. In some cases, a faulty door switch that incorrectly reports an open state can also trigger this code even when the door appears physically closed.

Source: manufacturer service documentation.

Common causes of F144

  1. 01

    Door left open or ajar

    Wiring / connection

    The most frequent cause is simply that the freezer door was not pushed fully closed after accessing the compartment. Check for a visible gap around the door perimeter.

  2. 02

    Food or container obstructing the door

    Wiring / connection

    An oversized package, misplaced container, or drawer not fully seated can prevent the door from latching completely. Inspect the interior for items protruding past the door plane.

  3. 03

    Worn or damaged door gasket

    Part replacement

    A gasket that is cracked, compressed, or deformed will not create an airtight seal, allowing the door switch to register an open state. Run your hand around the gasket perimeter to feel for air leaks, or use a flashlight to check for visible gaps.

  4. 04

    Ice or frost buildup blocking door closure

    Wiring / connection

    Accumulated frost around the door frame or seal area can physically prevent the door from closing fully. Inspect the freezer threshold and gasket channel for ice buildup.

  5. 05

    Faulty door switch or sensor

    Part replacement

    If the door closes properly and the gasket is intact but the code continues to be logged, the door switch may be malfunctioning and reporting an open state incorrectly. This requires testing the switch for proper operation and continuity.

See the test procedure for each cause

Frequently asked questions about F144

What does F144 mean on a Miele refrigerator?
F144 indicates that the freezer door was detected as open or not fully closed for a continuous period of 15 minutes. The code is logged internally by the appliance and is not necessarily shown as a visible alert on the display. It is a protective monitoring function designed to flag situations where the freezer compartment may have been exposed to warm air for an extended time.
How do I fix F144 on my Miele refrigerator?
Start by firmly closing the freezer door and confirming there are no obstructions such as food packages or improperly seated drawers blocking it. Check the door gasket for damage or deformation that could prevent a proper seal. If frost has built up around the door frame, allow it to defrost or carefully remove the ice. If the door closes properly but the code keeps appearing, the door switch may need to be tested and potentially replaced.
Is F144 a safety concern for my food?
Yes, a freezer door left open for 15 or more minutes allows warm air to enter the compartment, which can raise internal temperatures and compromise frozen food safety. Once the door is properly closed, the freezer will work to recover its set temperature. If the door was open for an extended period, check that food remains solidly frozen before assuming it is still safe to consume.
Will resetting my Miele refrigerator clear the F144 code?
Since F144 is an internal log entry rather than a displayed fault, simply closing the door and allowing the appliance to return to normal operating temperature is typically the appropriate resolution. A power reset may clear any associated alert state, but the underlying cause must be addressed first. If the door switch is faulty, the code will continue to be logged regardless of resets.
How much does it cost to repair the issue behind F144?
If the cause is simply a door left open or an obstruction, there is no repair cost involved. A replacement door gasket typically ranges from $30 to $80 depending on the specific Miele model. If the door switch requires replacement, parts and labor combined can range from $80 to $200. Diagnosis by a qualified technician is recommended if closing the door and checking for obstructions does not resolve the repeated logging of this code.

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