Miele Dishwasher Error Code F86 — AutoOpen Mechanism Fault
What this means
The F86 error code on Miele dishwashers with the AutoOpen feature indicates the door-opening mechanism has malfunctioned. AutoOpen automatically cracks the dishwasher door at the end of a cycle to improve drying by releasing steam. The mechanism includes a motor, a latch, and a sensor. A jammed latch, a failed motor, or a misaligned door can trigger this code.
Alternate codes: F 86
Step-by-step fix
4 stepsCheck for door obstructions
Make sure nothing is blocking the dishwasher door from opening — items on the counter, a kitchen mat bunched against the door, or an adjacent cabinet door that interferes with the AutoOpen movement.
The AutoOpen mechanism only pushes the door open a few inches. Even a small obstruction can prevent it.
Clean the door latch area
Wipe down the door latch and strike plate area with a damp cloth. Dried detergent, food residue, or mineral deposits can cause the latch to stick.
Do not use oil or lubricant on the latch — it can attract more debris over time.
Reset the dishwasher
Turn off the circuit breaker for 5 minutes. Restore power and run a cycle. The AutoOpen system may just need a reset after a mechanical jam.
If the error appeared after a power outage, the AutoOpen motor may have lost its position reference. A reset usually resolves this.
Inspect the AutoOpen motor and sensor
If the error persists, turn off the breaker and access the AutoOpen mechanism (usually behind the lower front panel or in the door). Check that the motor moves freely and the position sensor is connected. Replace the AutoOpen unit if the motor does not activate.
The AutoOpen motor and latch are often sold as a single replacement unit on Miele dishwashers.
When to call a professional
If the AutoOpen mechanism has failed internally, the replacement requires careful alignment. A Miele-certified technician can ensure proper installation.
Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.
Learn more about our sourcesParts you may need
AutoOpen Mechanism Assembly
Part #11094870 · $80–$150
If the AutoOpen motor does not activate or the latch is broken
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