Miele Dishwasher Fault Code F86 Meaning and Possible Fixes
Miele Dishwasher Fault Code F86
If your Miele dishwasher displays fault code F86, the appliance has detected a fault with the salt reservoir lid contact that cannot be resolved without professional assistance.
View all Miele dishwasher fault codes
What the F86 Fault Code Means
The F86 fault code indicates a fault with the salt lid contact sensor. Miele dishwashers monitor whether the salt reservoir lid is correctly fitted via an electrical contact. When this contact fails or gives an incorrect reading, the machine displays F86. Miele confirms this is a technical fault that cannot be remedied by the user.
Common Reasons This Fault Appears
Faulty salt lid contact sensor
The sensor that detects whether the salt reservoir lid is correctly fitted may have failed or become corroded.
Salt lid not correctly fitted
In some cases the lid may not be properly seated, preventing the contact from registering correctly.
Corrosion or salt residue on the contact
Salt residue can cause corrosion or poor electrical contact at the sensor, triggering this fault.
Wiring fault
A loose or damaged connection to the salt lid contact sensor can cause this fault to appear.
Safe Checks You Can Try
Check the salt reservoir lid
Open the dishwasher and check that the salt reservoir lid is firmly and correctly screwed into position. Remove and refit it to ensure a secure connection.
Clean around the salt reservoir
Wipe around the salt reservoir opening and lid with a damp cloth to remove any salt deposits or residue that could be affecting the contact.
Restart the dishwasher
Switch the machine off at the mains and leave it unplugged for a few minutes. Reconnect the power, switch back on and restart the programme.
Miele advises that if the fault persists, the appliance cannot be repaired without professional assistance.
If You Need Spare Parts
If you are confident carrying out the repair yourself, compatible Miele dishwasher parts are available on Amazon with next day delivery.
Always check your model number before ordering to ensure compatibility.
When To Contact A Professional
Miele advises that fault F86 is a technical fault that cannot be resolved without professional assistance if the lid is correctly fitted. An engineer will need to inspect and replace the salt lid contact sensor.
Internal components should only be inspected or repaired by trained professionals.
Related Miele Dishwasher Fault Codes
You may also encounter related issues indicated by Miele Dishwasher Fault Code F85 and Miele Dishwasher Fault Code F87.
Fault codes may vary slightly between different Miele dishwasher models, so always consult the manufacturer documentation for your specific appliance.
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