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Error code reference

Miele Washer Error Code F4133

Clean/Soiled side positioning lock activated but cannot be released or limit switch is defective.

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What the F4133 error code actually means

Your Miele washer has detected a problem with an internal locking mechanism that separates the clean and soiled sides of the machine. The lock is either stuck in place or the sensor that monitors it has stopped working correctly. The washer has shut down to prevent it from operating in an unsafe state.

Diagnostic procedure

The full F4133 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check coding plug N1L_ST19 and coding.
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Most common causes of F4133

Ranked by how often they cause this code
  1. 1Incorrect or improperly seated coding plug N1L_ST19
  2. 2Defective limit switch
  3. 3Mechanically stuck or seized positioning lock
  4. 4Wiring fault in the limit switch circuit
  5. 5Control board failure

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Questions people ask about F4133

What does F4133 mean on a Miele washer?
F4133 means the positioning lock for the clean or soiled side of the machine has been activated but cannot be released, or the limit switch that monitors the lock has failed. The washer stops operation to prevent an unsafe condition. The first step is to inspect coding plug N1L_ST19 for correct coding and proper seating.
Is it safe to use my Miele washer while F4133 is active?
No. The F4133 fault causes the washer to halt specifically because the positioning lock system is not functioning as expected. Attempting to bypass or ignore this fault could result in improper machine operation. The washer should remain out of service until the fault is diagnosed and resolved.
How much does it cost to repair a Miele washer with error code F4133?
Repair costs vary depending on the root cause. If only the coding plug needs reseating, the cost may be limited to a service call fee, typically in the range of $75 to $150. Replacing a defective limit switch or repairing wiring could bring the total to $150 to $350. If the control board requires replacement, costs can range from $300 to $600 or more depending on parts and labor.
Can I fix F4133 on my Miele washer myself?
Some causes of F4133, such as a dislodged or incorrectly seated coding plug, can be addressed without specialized tools. However, replacing a defective limit switch, diagnosing wiring faults, or servicing the mechanical lock assembly generally requires experience with appliance repair and access to the internal components of the machine. If you are not comfortable working inside the washer, a qualified technician is recommended.
Will resetting my Miele washer clear the F4133 error code?
A basic power reset is unlikely to permanently clear F4133 because the fault is tied to a hardware condition, specifically the state of the positioning lock or limit switch. The code will return as soon as the control board checks the lock system again. The underlying cause must be identified and corrected for the fault to stay cleared.

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