Miele Dryer Error Code F18 — Error Code F18

Service Guy AI • Dryer • Medium severity • Intermediate skill • ~30 min repair

What Does Miele Dryer Error Code F18 Mean?

Miele Dryer dryer: Error Code F18

This is a medium-severity fault. The machine may complete the current cycle but is signalling a problem you should resolve before it escalates.

Possible Causes (5)

Miele Dryer engineers identify the following root causes for fault code F18. Work through them in the order shown — they are listed from most common to least common.

1. Blocked drain pump preventing water from being expelled.
2. Faulty pressure switch not detecting water levels correctly.
3. Clogged drain hose obstructing water flow.
4. Door interlock malfunctioning, causing the dryer to stop mid-cycle.
5. Control board issue affecting communication between components.

Step-by-Step Troubleshooting (6 steps)

Follow this sequence to diagnose and clear Miele Dryer error code F18. Power down and unplug the machine before any internal inspection.

1. Disconnect power before servicing the dryer.
2. Inspect the drain pump for blockages and clean if necessary.
3. Check the pressure switch for proper operation and replace if faulty.
4. Examine the drain hose for clogs and clear any obstructions.
5. Test the door interlock for proper function and replace if defective.
6. Inspect the control board for any visible damage or burnt components.

Required Parts

Have these Miele Dryer OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.

• Drain pump
• Pressure switch
• Drain hose
• Water level sensor

Diagnostic Test Mode

Enter Miele Dryer diagnostic test mode: Press and hold the 'Start' and 'Finish' buttons simultaneously for 5 seconds.

Skill Level & Repair Time

This repair is appropriate for an experienced laundromat owner or in-house technician. You should be comfortable removing service panels, reading wiring diagrams, and using a multimeter to test continuity and voltage. Plan for approximately 30 minutes of active repair time once parts are on hand.

Get AI-Powered Diagnosis

If the steps above don't resolve Miele Dryer F18, run a free Service Guy AI diagnosis. Upload a photo of the error display and get an AI-generated repair plan tied to your exact Miele Dryer model number, including supplier links for required parts and on-call technician escalation.

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