The answer, before the detail
On a Black+Decker BCED dryer a cycle that ends with the clothes still damp is nearly always an airflow or a sensing fault rather than a heat fault: the machine is heating, but the moisture is not leaving or the sensor is being told the load is already dry. On these models the vent path leads. Comparing a timed cycle against an automatic one splits the two readings in one load. Settle the build before the ranking applies: these models divide on the lint filter in the door opening.
What you observe on these models
- A finished cycle that has not dried the load — The machine believes it is done; the load disagrees.
- The cabinet or the clothes are very hot — This is the version worth stopping for.
- It stops mid-cycle and restarts later — Repeated cut-outs are a warning rather than a quirk.
- NEAR MISS — it tumbles with no heat at all — Feel the drum a few minutes in to tell them apart.
Most likely first on this family
- The vent path or the outside hood is restricted — It leads on vented builds by a wide margin, because the duct silts up gradually and nothing in the machine reports it until cycles start stretching. Long cycles, a hot cabinet and a humid room together are this.
- Moisture sensor bars coated with softener film — It ranks high because the fix costs a cloth and two minutes. Dryer sheets and liquid softener are what coat them.
- The lint filter is blinded, even when it looks clean — It rises to the top on machines that have never had the filter washed. Rinse it under a tap: water that pools on the mesh is the confirmation.
- The thermistor, the cycling thermostat or the control board — Last: it is the only cause here needing a technician, and the four above it explain almost every case. Timed cycles that work with automatic ones that never do, after the sensors are clean, is what is left.
Check in this order, and why
- Run the same load on a timed cycle — Timed dries it and automatic does not: the sensing is at fault. Neither dries it: the airflow is.
- Wash the lint filter and watch water pass through — A filter blinded by softener film holds water on its surface, and it looks perfectly clean while doing it.
- Wipe the moisture sensor bars — Then run an automatic cycle on the load that failed.
- Follow the vent path from the machine outward — Look for a crushed duct behind the machine and a hood flap that will not open, then clear the length of it.
Before you open anything
Safety
Power off first — unplug it, or trip the breaker where the machine has its own circuit. A standard household branch circuit is 15 A or 20 A at 120 V, and a large appliance circuit is typically 30 A or higher at 240 V, so an electric dryer usually has two poles to switch and both matter. On a gas model, if you smell gas, leave the building and call the gas utility or 911 from outside rather than hunting for it. Lint is what burns in a dryer: clear it rather than working around it.
When to call a technician
Call when the filter is clear, the sensors are clean, the duct is proved and the machine still will not finish a load — that leaves the thermistor, the thermostats and the board. Call sooner if the machine is cutting out mid-cycle and resetting: a thermal limit tripping repeatedly means heat is not leaving, and that is the condition behind most dryer fires.
Other faults covered for the BCED models
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
