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Error code reference

Miele Washer Error Code F4067

Load module access fault (weighing system).

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Load module access fault (weighing system).

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What F4067 means on a Miele washer

Error code F4067 on a Miele washer indicates a load module access fault within the weighing system. The weighing system is responsible for detecting the weight of laundry inside the drum, which allows the machine to automatically adjust water levels, spin speeds, and cycle parameters for optimal performance. When the control electronics cannot successfully communicate with or read data from the load module, this fault code is triggered.

The load module itself typically consists of sensors or transducers that measure mechanical load or displacement in the drum assembly. An access fault suggests the main control board is failing to retrieve valid data from this module, which can result from a wiring fault, a damaged connector, a failed load sensor, or a defective load module circuit board. Intermittent faults in the communication path between the load module and the main control unit are also common contributors.

Because the weighing system influences how the machine distributes water and manages spin cycles, a persistent F4067 fault may prevent the washer from completing cycles or cause it to default to conservative operating parameters. Technicians should inspect the wiring harness and connectors associated with the load module before condemning the module or control board itself, as connection issues are frequently the root cause of access-type fault codes.

Source: manufacturer service documentation.

Common causes of F4067

  1. 01

    Loose or damaged wiring connector

    Wiring / connection

    The connector linking the load module to the main control board may have worked loose or corroded over time. Inspecting and reseating all connectors in the load module wiring harness is the first physical check to perform.

  2. 02

    Damaged wiring harness

    Part replacement

    Wires running to the load module can become pinched, chafed, or broken, interrupting communication between the sensor and control board. A continuity check along the harness will reveal any open or shorted circuits.

  3. 03

    Failed load sensor or transducer

    Part replacement

    The load sensor that measures drum weight can fail mechanically or electrically, causing the control board to receive no signal or an out-of-range signal. A failed sensor will typically need replacement.

  4. 04

    Defective load module board

    Part replacement

    The load module may contain its own circuit board that processes sensor data before passing it to the main control. A fault on this board will cause an access failure even if all wiring is intact.

  5. 05

    Main control board fault

    Part replacement

    If the main control board cannot properly read or communicate with the load module despite the module and wiring being in good condition, the control board itself may be the source of the fault.

See the test procedure for each cause

Frequently asked questions about F4067

What does F4067 mean on a Miele washer?
F4067 indicates a load module access fault in the weighing system. The washer's control electronics cannot successfully communicate with the module that measures laundry weight inside the drum. This can affect water level selection, spin speed, and overall cycle operation. The fault points to a problem in the load module itself, its wiring, or the main control board.
Can I fix F4067 on my Miele washer myself?
Some basic steps such as checking for loose connectors or visible wiring damage in the load module harness are within reach for a knowledgeable DIYer. However, diagnosing a failed load sensor or a defective module board requires electrical test equipment and familiarity with Miele's component layout. If basic connector checks do not resolve the fault, a qualified appliance technician should carry out further diagnosis.
Is it safe to use my Miele washer while F4067 is active?
Operating the washer with an active F4067 fault is not recommended. The weighing system directly influences how water levels and spin cycles are managed, and running cycles without this data could lead to poor wash results or stress on internal components. It is best to stop using the machine until the fault is diagnosed and repaired.
How much will it cost to repair a Miele washer F4067 fault?
Repair costs vary depending on the root cause. A wiring or connector repair may cost relatively little, generally in the range of $75 to $200 for a service call plus labor. Replacing a load sensor or load module board can bring costs into the $200 to $500 range or higher, depending on parts pricing and labor rates in your area. A main control board replacement would be at the higher end of that scale.
Will resetting my Miele washer clear the F4067 error code?
A reset may temporarily clear the fault code, but if the underlying hardware problem in the load module or its wiring has not been corrected, the code will return. Resetting the machine without addressing the root cause is not a long-term solution and could make diagnosis more difficult by interrupting the fault history. Persistent or recurring F4067 codes should be investigated by a technician.

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