Most guides hand you the same generic checklist for every brand. This one is built for Thermador owners: the parts that actually fail here, the checks worth doing yourself, and where the $100–$250 repair lands.
The short answer: Thermador Dishwasher not drying dishes#
On Thermador, the honest lead cause is thermador condensation drying and StarDry zeolite; the cross-brand basics matter far less than this brand-specific one. Close behind it sits empty rinse-aid dispenser removing the sheeting, which is worth ruling out in the same session. Miss it and you end up swapping generic parts that were never the problem. Budget within the $100–$250 band shown below; the exact figure depends on the specific component at fault.
The failure modes below are specific to Thermador dishwashers — they are what set Thermador apart from the generic not drying dishes checklist.
| Likely Thermador-specific cause | How often we see it | Typical repair |
|---|---|---|
| Thermador condensation drying and StarDry zeolite need a hot final rinse and rinse aid | Most likely | $100–250 |
| Empty rinse-aid dispenser removing the sheeting that condensation drying depends on | Common | $100–250 |
| StarDry zeolite mineral unit degraded so it no longer releases drying heat | Common | $100–250 |
| Door-vent flap sticking so humid air never releases at the end of the cycle | Possible | $100–250 |
| Rinse-aid dose set to minimum on a load of plastics and light items | Possible | $100–250 |
Do You Have the Right Tools?
Water pressure gauge ($60), spray arm tester, float switch multimeter ($85), and drain inspection camera. Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
Licensed & Insured · 90-Day Warranty · Same-Day Service
What you can safely check first#
There are a handful of things to check yourself, and none of them need the power on — so kill the supply and work methodically.
- Thermador condensation drying and StarDry zeolite. It is the cheapest thing to check and surprisingly often the answer, so start here rather than at the control board.
- Empty rinse-aid dispenser removing the sheeting. If this comes back clean you have narrowed the field a lot, and the remaining suspects get easier to isolate.
- StarDry zeolite mineral unit degraded. Owners miss it because the generic guides never mention it, yet it is one of the more common thermador culprits.
- Door-vent flap sticking. On Thermador it is the first thing I confirm before ordering a part, since it is quick to rule in or out.
- Rinse-aid dose set to minimum. It is easy to spot once you know it is a weak point here; a worn part usually shows visible wear or play.
- Note your exact model before buying anything — the DWHD650WFP, DWHD770WFP, DWHD660WFP, DWHD870WFM units look alike but are not identical under the panel.
Repair cost and when to call an EasyBear technician#
There is a good reason the estimate reads $100–$250 rather than one number. A minor culprit such as rinse-aid dose set to minimum is low-cost; the difference is all in access and part price. Most of that figure is labor once a part sits behind a panel, so an accurate diagnosis up front is what keeps the bill down. If the problem survives those checks, booking an EasyBear technician beats trial-and-error part swaps: they isolate the cause first, then quote.
Appliance Repair Technician · 8 years experience
Experienced technician with 8 years specializing in dishwasher repairs and European appliance brands including Bosch and Thermador.

