F18 Error Code
📋 What Does F18 Mean?
Exhaust Filter Blocked — the exhaust lint filter or duct is restricted causing overheating.
🔍 Common Causes
- 1Lint filter not cleaned after every cycle
- 2Exhaust duct blocked with lint accumulation
- 3External vent flap blocked or sealed shut
📞 When to Call a Pro
Rarely needed — this is almost always resolved by cleaning.
🔧 DIY Fix Steps
- 1Clean the lint filter — Miele recommends cleaning after every cycle
- 2Check exhaust duct for lint blockage
- 3Check exterior vent flap opens freely when dryer runs
- 4Clean duct with a dryer vent brush kit annually
Frequently Asked Questions
What does F18 mean on a Miele dryer?
Exhaust Filter Blocked — the exhaust lint filter or duct is restricted causing overheating.
Can I fix F18 myself?
Yes, in many cases. Start with: clean the lint filter — miele recommends cleaning after every cycle If that does not resolve it, rarely needed — this is almost always resolved by cleaning.
How much does it cost to repair error F18?
Estimated repair cost: $0 (cleaning). This varies by region and technician.
Tools That Help With This Diagnosis
Basic troubleshooting tools grouped separately from the actual error-code explanation.
Multimeters
Useful for basic electrical checks when the repair path calls for it and the unit is safely isolated.
Driver sets
Useful when the first obstacle is simply reaching the part or hose involved.
Cleanup tools
Useful for drain and leak faults where standing water hides the problem.
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