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Error code reference

Bosch Washer Error Code F:35

Door lock cannot be unlocked

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What the F:35 error code actually means

Your Bosch washer is showing F:35 because it tried to unlock the door at the end of a cycle but something went wrong and the door stayed locked. This could be a broken lock mechanism, a stuck or warped door part, or a swollen rubber seal pressing too hard against the door frame. Until the issue is fixed, the washer will not run and the door may remain locked.

Diagnostic procedure

The full F:35 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Reset error with OFF and ON, check door lock, check mechanism, check wire harness.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of F:35

Ranked by how often they cause this code
  1. 1Faulty door lock assembly
  2. 2Stiff or swollen door gasket
  3. 3Stuck or damaged door hook
  4. 4Damaged or disconnected wire harness
  5. 5Transient control board communication error

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Questions people ask about F:35

What does F:35 mean on a Bosch washer?
F:35 means the washer attempted to unlock the door but the lock mechanism did not release as expected. The control board monitors the door lock and stores this code when it cannot confirm a successful unlock. Possible causes include a broken lock assembly, a stuck door hook, a swollen gasket, or a wiring fault. The machine will not resume operation until the condition is resolved.
How do I fix the F:35 error on a Bosch washer?
Start by resetting the washer and inspecting the door hook for damage and the door gasket for swelling or deformation. Check all wiring connectors at the door lock assembly for corrosion or loose connections. If the lock body itself is faulty, it will need to be replaced. A technician can test the lock electrically to confirm whether the component has failed before ordering parts.
How much does it cost to repair a Bosch washer F:35 error?
If only the wiring harness needs to be reseated or a connector cleaned, the repair may cost little beyond a service call fee, typically in the range of $75 to $150. Replacing the door lock assembly itself generally costs between $100 and $250 including parts and labor, depending on your location and the service provider. A swollen or damaged door gasket replacement can range from $80 to $200 installed.
Will resetting my Bosch washer clear the F:35 error?
Turning the washer off and back on is the recommended first step and may clear the error if it was caused by a temporary communication glitch. However, if the underlying cause is a physically failed lock, a damaged door hook, or a wiring problem, the error will return after the next cycle. A reset alone is not a repair and should be followed by a full inspection of the door lock system.
Is it safe to use my Bosch washer when F:35 is displayed?
The washer will typically prevent operation while F:35 is active, which is by design. The door lock is a safety component that keeps the door closed during spinning and high-temperature cycles. Attempting to force the door open or bypass the lock is not recommended, as it could cause injury or damage. Address the fault before running another cycle.

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