Miele TXD160/TXR860 T1 Heat Pump Dryer Guide

Because the T1 dries by recirculating air through a heat pump rather than venting it outside, its faults are unlike a conventional dryer's: they center on the filters, the condensate system, and the moisture sensors. Miele builds it to a 20-year design life, so most repairs are well worth doing. Below are the covered models, the ranked problems with the part behind each, the codes it reports, and a repair-or-replace framework.

Model Specifications#

All five variants share one platform and parts catalog. The line features EcoDry technology with a permanent filter, SteamFinish wrinkle reduction, FragranceDos scent capsules, WiFiConn@ct, PerfectDry moisture sensors, and a patented honeycomb drum.

Common Problems for This Model#

Ranked by field frequency, each with the part behind it:

1. Heat-pump filter clogging despite the EcoDry permanent filter (16%) — drying times climb as airflow drops. The EcoDry filter assembly (Miele 9688382) is cleaned or replaced.
2. PerfectDry sensor calibration drift (14%) — cycles end early with clothes still damp. The PerfectDry sensor strips (Miele 5153702) restore accurate sensing.
3. Condensate drain pump failure (12%) — water pools in the dryer base. The condensate pump (Miele 6739981) is the fix.
4. FragranceDos capsule mechanism jam (10%) — a scent capsule gets stuck. The FragranceDos dispenser (Miele 11464130) is replaced.
5. Heat-pump compressor failure (5%) — rare but the most expensive fault. The heat-pump compressor (Miele 9688490) is a major job worth weighing on older units.

Error Codes#

The panel can display any of these codes:

• F66
• F67
• F01
• F04
• F33

For a code outside this list, unplug the dryer or flip the breaker for 60 seconds and restore power to clear transient faults. A code that returns immediately needs a proper diagnosis.

Parts That Commonly Fail#

Match each number to your exact model before ordering:

Recall Status#

There are no active recalls on the Miele T1 series as of 2026-05-28. Because a recall can be issued at any time, check the Consumer Product Safety Commission at cpsc.gov with your model number and sign up for their email alerts.

Repair or Replace?#

The T1 is Miele's premium compact dryer, built to a 20-year design life, which makes nearly every repair cost-effective. Under 10 years old with a fix below 50% of a new equivalent, repair is clearly the better value. After 10 years, add up the last two to three years of repairs; the one case that tips toward replacement is a heat-pump compressor failure on a unit past twelve years, since that repair is expensive relative to the remaining life.

Maintenance That Prevents These Failures#

• Clean the EcoDry permanent filter after every five loads by removing and rinsing it under running water.
• Clean the fluff filter in the door after every load.
• Flush the condensate drain line with warm water quarterly.
• Wipe the PerfectDry sensor bars with rubbing alcohol monthly.
• Empty the condensate tank every two or three loads if the dryer is not plumbed to a drain.

Because the T1 is ventless, it has no exhaust duct to clean; its drying performance depends instead on clean filters and a clear condensate path, so keeping those two systems maintained is what prevents most of its faults.