Question about Bosch Axxis WTL 5410 Electric Dryer
Hi. When I run my 7-year old 5410 dryer, everything starts normal but after about 3-5 minutes the filter lamp is flashing and heat and motor stops. The same if I run in timer mode: If I set it for 40 minutes it changes after a while to 8 minutes and heat is turned off. I have off course cleaned the filter and condenser so I can eat food on them. I have also checked the NTC temp-sensors (in front and at the heater); both seemes ok. Dismantled the heater, no blocking there. Fans in front and rear are clean. Why is the LED still flashing!!! Any clue?
The condenser has two "channels" one for the moist hot air that are easy to clean and inspect. The other flow is perpendicular where cool air drawn from outside and passes through. These channels, viewed from the side can get blocked over time with dust/fluff. I blasted mine with a pressure washer and it was obvious from the change in light when looking through it that it was clogged before I blasted it.
Posted on Sep 19, 2007
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believe that everything else is fine rather it is the thermal fuse that is
located inside the rear panel to the exhaust duct that is bad and should be
replaced. If you want you can test this fuse for continuity and if it is bad
then it should be replaced, as it cannot be reset. If the fuse is fine then it
can be due to the control board that is bad and should be replaced.
Hope this helps...please post back for further assistance.
Aug 24, 2011 | Dryers
If the flame is shutting of before it reaches the operating temperatures the likely failure is a restricted venting system. There is a high limit thermostat that will cause the flame to shut off if there is a lack of airflow due to a restriction in the vent system. Remove the lint filter screen and clean in with soap and water. The filter may appear clean but it could have a clear film of fabric softener residue covering it causing a restriction in the air flow too. After cleaning the filter reinstall it before running the next test.
For testing purposes only, disconnect the dryer vent hose from the back of the dryer and put a normal load of clothes in the dryer and start the dryer. If the clothes dry in the normal amount of time that would confirm a restriction in the vent hose or the venting system. NOTE: Do not leave the vent hose disconnected after running the test. Reconnect the vent hose.
You will likely find the clothes drying in the normal amount of time indicating a restriction in the venting.
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