Miele T1: 'Clean Out Airways' — What It Actually Wants

“Clean out airways” is the T1 telling you air resistance is rising — the maintenance demand that precedes an F66 fault if ignored. It’s not an error yet. Treat it as the machine’s early-warning system, because it is one.

The full cleaning it’s asking for

1. Both door lint filters: remove, strip the lint mat, and rinse if the mesh looks glazed — a shiny film on the mesh restricts air even when it “looks clean.” Dry completely before refitting.
2. Plinth filter: open the lower flap, pull the cassette, remove lint from the filter and from the compartment behind it. The yellow-knob models lock back with a click — make sure you hear it.
3. Sensor check while you’re there: wipe the two moisture bars in the drum.
4. Vacuum the visible exchanger surface gently through the plinth opening — soft brush attachment only, no poking the fins.

Run a normal load. Message gone and drying times normal → done, calendar the plinth filter monthly.

If the message returns quickly

Recurring “Clean out airways” with clean filters means lint has compacted inside the heat exchanger and airways where owner access ends. That’s the professional deep clean — the same service that resolves persistent F66. In heavy-use Pleasant Hill households we suggest it as scheduled maintenance rather than waiting for the fault code; the machine dries faster and the components run cooler.

FAQ

The filters look clean but the message won’t clear.

Glazed mesh or the compartment behind the plinth filter, most often — then the exchanger. Work the list in order.

Can I wash the plinth filter?

Yes, and dry it fully. A damp filter refitted is an airflow restriction you just installed.

How often is ‘normal’ for this message?

Every few months on daily-use machines is fine. Weekly means something upstream (venting environment, exchanger mat) needs attention.