--- title: "Miele dryer showing F66 | DryerRepair.center" description: "What F66 means on Miele dryers, what to check before booking, and when it is not a failure at all." url: "https://dryerrepair.center/error-codes/miele-f66/" --- # Miele dryer showing F66 F66 means the air path is clogged: either the lint filters or the plinth filter in front of the heat exchanger is soiled. ## What F66 actually means. F66 means the air path is clogged: either the lint filters or the plinth filter in front of the heat exchanger is soiled. Miele dryer display What to do when F66 shows on the dryer ### Kind of code Restricted airflow Air is not leaving the dryer fast enough. Lint in the duct, a crushed hose behind the machine or a stuck flap on the outside hood is found long before any part fails. ### Usually leads to Vent cleaning and inspection The visit that prevents most dryer fires and many of the repairs above it: the duct, the hood and the lint inside the cabinet. ### Shows up as Dryer Takes Too Long to Dry Loads that used to dry in one cycle now need two, or come out damp at the seams. ### Make Miele Compact European dryers, mostly heat-pump models that dry at lower temperatures without an outdoor vent. ### Source Miele USA customer assistance, tumble dryer code F66 (Wayback copy) Miele heat-pump dryers with a plinth (toe-kick) filter. ## Before you book, in this order. Each step comes from Miele's own guidance for F66 on its dryers. Follow it to the end: the last card says whether this is a visit. 01 Remove both lint filters, clean them, rinse them under warm water and dry them thoroughly. 02 Open the heat exchanger access panel, pull out the plinth filter and clean it over a bowl or bucket. 03 Reinstall everything and book a visit if F66 returns. ### Still there? It usually turns into [vent cleaning and inspection](https://dryerrepair.center/services/dryer-vent-cleaning-and-inspection/). Book with the code and the model number. ### What not to do F66 has nothing to do with an outdoor vent; this dryer recirculates its air through filters. ## What you may notice with it. The dryer problems F66 tends to arrive with. Answer these at the dryer before anyone is booked. [All problems](https://dryerrepair.center/problems/) Before you call ### [Dryer Takes Too Long to Dry](https://dryerrepair.center/problems/dryer-takes-too-long/) [All 5 causes, cheapest first](https://dryerrepair.center/problems/dryer-takes-too-long/) It also comes with - [**Dryer Vent Clogged**](https://dryerrepair.center/problems/dryer-vent-clogged/) Problem ### Dryer Takes Too Long to Dry 5 causes, cheapest first Where F66 usually leads ## Vent cleaning and inspection. **Vent cleaning and inspection · lowest.** Book a visit [What the job involves](https://dryerrepair.center/services/dryer-vent-cleaning-and-inspection/) ## Miele dryers. Compact European dryers, mostly heat-pump models that dry at lower temperatures without an outdoor vent. [Miele dryer repair](https://dryerrepair.center/brands/miele/) More Miele codes [F1](https://dryerrepair.center/error-codes/miele-f1/) [F3](https://dryerrepair.center/error-codes/miele-f3/) [F36](https://dryerrepair.center/error-codes/miele-f36/) [F252](https://dryerrepair.center/error-codes/miele-f252/) [F53](https://dryerrepair.center/error-codes/miele-f53/) [F158](https://dryerrepair.center/error-codes/miele-f158/) [F159](https://dryerrepair.center/error-codes/miele-f159/) Restricted airflow on other makes [ASKO E4](https://dryerrepair.center/error-codes/asko-e4/) [Bosch CArE](https://dryerrepair.center/error-codes/bosch-care/) [Electrolux EF1](https://dryerrepair.center/error-codes/electrolux-ef1/) [GE Profile Vent Blocked](https://dryerrepair.center/error-codes/ge-profile-vent-blocked/) [GE Check Vent](https://dryerrepair.center/error-codes/ge-check-vent/) [Kenmore E8C](https://dryerrepair.center/error-codes/kenmore-417-e8c/) [LG SIGNATURE d95](https://dryerrepair.center/error-codes/lg-signature-d95/) [LG d80](https://dryerrepair.center/error-codes/lg-d80/) [All 13 codes of this kind](https://dryerrepair.center/error-codes/#family-vent) Miele builds this ### Stackable dryer The dryer half of a stacked pair or a single-frame laundry center, where the height and the closet decide how the repair is done. Miele builds this ### Ventless dryer Heat-pump and condenser dryers, including 24-inch compacts, that take the water out of the air instead of blowing it outside. ## In Miele's own words > The lint filters are soiled. [Miele USA customer assistance, tumble dryer code F66 (Wayback copy)](https://web.archive.org/web/20251114023008/https://www.mieleusa.com/support/customer-assistance/tumble_dryer-1322/all/fault_f66-91861736203) [Miele USA customer assistance, tumble dryer code F66 (Wayback copy)](https://web.archive.org/web/20251114023008/https://www.mieleusa.com/support/customer-assistance/tumble_dryer-1322/all/fault_f66-91861736203) [Miele USA customer assistance, tumble dryer code F66 (Wayback copy)](https://web.archive.org/web/20251114023008/https://www.mieleusa.com/support/customer-assistance/tumble_dryer-1322/all/fault_f66-91861736203) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Miele heat-pump dryers with a plinth (toe-kick) filter. ## Miele F66 dryer repair, where we come out. The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered. 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Remove both lint filters, clean them, rinse them under warm water and dry them thoroughly. If it comes back, it needs a visit. ### After cleaning for F66, why must the Miele lint filters be dry before going back in? Miele warns that wet filters can disrupt drying. Shake them out and dry them carefully before reinstalling. ### Should the lint I clean out for F66 go down the drain? No. Miele asks that the lint go in household waste so microplastics stay out of the waste water. --- **[Read on the site: Miele dryer showing F66 | DryerRepair.center](https://dryerrepair.center/error-codes/miele-f66/)** **[Book a visit with DryerRepair.center](https://dryerrepair.center/schedule/)**