My tumble dryer started to malfunction. It runs for around 10-45 minutes with the drying LED lit solid. After this time, the LED will flash and the dryer needs to be reset to continue. It will eventually dry but needs resetting up to 15 times! I assumed it was the moisture sensor in the front but A) what is the part number for this and B) could it be something else?
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I understand that you are having trouble with your dryer not heating and not running a full cycle and shutting off with the Drying, Cool Down, and Extended Tumble lights flashing. What I suggest is to give your appliance a hard reset. You will do this by either unplugging it or cutting the power off at the circuit breaker for 3-5 minutes. After the 3-5 minutes, bring power back and try to start a cycle. If it does not complete the cycle and shuts off with the lights flashing, I suggest to either contact the manufacturer or a local appliance technician. This way you will be able to locate the cause of this issue and have it resolved.
Motor won't work Lint screen hi-limit (thermal cutout) tripped. Clean lint screen and clean lint and other debris from front shield, then replace hi-limit. Also check exhaust duct length & # of elbows. Wire harness failed. Run resistance or continuity checks to track down broken wire or connector. Replace failed wire harness. Display shows "E:01" during drying. Lint filter, air duct or air damper is blocked. Air leaking past felt drum seal. Air duct is too long, too small or has too many bends. Inadequate ventilation around dryer (i.e. in a closet). Clean out filter, air duct and air damper. Replace felt drum seal. If seal doesn't fit snugly onto drum, wet felt and dry it by running a timed dry cycle for 20 minutes (felt will shrink and fit drum snugly). Shorten, enlarge, reroute and reduce # of bends in air duct. Move dryer to an area
Thermocouple is probably bad. The pilot burns and heats a sensor which tells the CPU that the Flame can start, and the thermocouple heating up changes voltage with increase temperature and tells the CPU that the Flame is burning OK. If it is defective, there is no voltage change and the CPU assumes that the Flame didn't start for some reason, (Gas only!) and turns if off for safety. Over and over xx times. My .02 Good Luck!
OK, here's what it sounds like to me: The line going around the display should only be seen if you selected "Wrinkel Care" function for that cycle (and with the freshen up cycle, I beleive). With that option in use, after the dryer shuts off, if you do not open the door or turn off power to the dryer the dryer will display the moving rectangular segments and every 6 minutes the dryer will turn itself on and tumble for 10 seconds with no heat (to keep clothes fluffed up and prevent wrinkles from setting in) and will continue this cycle for up to three hours. The "Freshen Up" is the steam cycle used to remove wrinkles from 1 to 5 garments, like things that were all wrinkled up in your suitcase. Try drying with a normal or permanent press cycle, or a timed cycle. If you have additional questions or concerns, let me know.
Helenhjb, there is a couple of things I can think of that can cause this. The filter is one. The mesh on the filter is extremely fine, so get a steady stream of water running, then put the filter under the water. If the water doesn't run straight thru, then wash the filter with detergent until the water does run straight thru. If this works fine, then your issue may be that the door switch is set too far back and when you do heavy loads, the laundry pushes on the door and shuts down the dryer. On the Bosch, any time you open the door during the cycle, it will flash the lint filter lamp. The only other thing I know of usually has an E:01 flashing on the display is restricted vent. Hope this helps.
I managed to solve the problem the following way:
I noticed that if you unplug the Sensor-NTC(part nimber 154431 https://www.bosch-eshop.com/eshop(bD1lbiZjPTAwOQ==)/bosch/gb/prodp.htm?prod=WET2820GB%2f13 ) that controls temperature of air in the air channel, the drying cycle runs as you describe above. So this circute was checked up to the power module. Contacts of the Sensors plug were tightened; I think this solved the problem; resistance of the sensor checked. It must be 4.8K at 25 degree C. and decrease when temperature increases. I dipped the sensor in a glass with hot water.