Miele Dishwasher Error Code F88 — Drying Fan Motor Fault
What this means
The F88 error code on Miele dishwashers indicates the drying fan (used in models with active drying systems) is not operating correctly. Miele dishwashers that use a fan-assisted drying system rely on a small motor to circulate air and aid the drying process at the end of the cycle. A failed fan motor, a blocked fan impeller, or a disconnected wire can trigger this code. Dishes may come out wet at the end of the cycle.
Alternate codes: F 88
Step-by-step fix
4 stepsReset the dishwasher
Turn off the circuit breaker for 5 minutes. Restore power and run a complete cycle. If the drying phase completes normally without the error, it was a momentary glitch.
If dishes are consistently wet at the end of cycles even without a displayed error, the drying fan may have been underperforming for some time.
Check for blockages around the drying fan
The drying fan is typically located in the door or in the upper area of the dishwasher cavity. Inspect the fan area for debris, food particles, or anything that could block the impeller from spinning.
On some Miele models, the drying fan intake is in the door panel. Check that the door vent opening is not blocked.
Test the drying fan motor
Turn off the breaker. Access the fan motor (location varies by model — refer to the service manual). Disconnect the motor wires and test for continuity with a multimeter. Also spin the fan impeller by hand to ensure it rotates freely.
A fan that turns freely but does not run electrically has a failed motor winding.
Replace the drying fan motor
If the motor tests open (no continuity) or the impeller is damaged, replace the drying fan assembly. Install the new unit, reconnect wires, and run a full cycle to test the drying phase.
Miele drying fan assemblies are usually replaced as a complete unit including motor and impeller.
When to call a professional
If the fan motor is located in a difficult-to-access area or requires door disassembly, a Miele-certified technician can handle the repair efficiently.
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
Drying Fan Motor Assembly
Part #10197838 · $60–$120
If the fan motor shows no continuity or the impeller is damaged
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