Question about Bosch Nexxt WTMC3321US Electric Dryer

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Dryer turns, heats up but won't dry

Dryer will run for selected time. It turns, it heats up but won't dry properly. There seems to be blow back of lint which suggests vent line is plugged. I pulled everything apart and cleaned all vent line to outdoors. vacuumed vent line from back of dryer in as far as hose would go. I pulled collected lint from down in the deep crevice below the lint filter and vacuumed everything thoroughly.
I ran dryer without vent tube attached to check for air flow. Very strong flow with hot air coming out of the back vent ( stronger than before all the cleaning).
I figured that all the cleaning solved the problem, so ran a wet load on the 40 minute cycle. Cloths were warm and still very wet and still appeared to be lint blow back as though the vent line is still clogged. I then ran the dryer on regular setting and after 30 minutes or so the cloths were dry. Filter did not have a "tight" pack of lint as when dryer was working normally.
There appears to be some sort of trap door or compartment that is out of reach from any part of a dryer opening that is not allowing the air to flow through.
Any help or advice will be appreciated.

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  • sgtslayton Feb 25, 2009

    Thanks for the suggestion - that was the first thing I tried. Everything is clear from the front of the dryer to every inch of exhaust. My real problem now is getting service from Lowes where we bought the machine. Called the sercie number on our extended warrenty card and Lowes gave me 2 numbers to call myself to set up an appointment. Called the 2 companies and neither of them do service for Lowes. So it's getting more complicated all the time !

  • sgtslayton Mar 07, 2009

    Many thanks for trying to help. Since lowes couldn't find anyone in our area to service the unit ( under warrantry ) - they actually came through for us and exchanged the dryer for a new one of the same model. So now maybe we can get 2 years out of this.
    We'll never by another Bosch again for sure.

    Thanks again for trying to help...........

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Check the outside of your house to see how strong the blowing is if it's weak then it's in the vent tube

Posted on Feb 18, 2009

  • James Chandler Feb 27, 2009

    check your heating element/s there may be a double element and one might be bad. try that ok! Good Luck

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