Question about Bosch Axxis WTA 3510 Electric Dryer

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Lint filter wanring signal

I have a Bosch dryer and the lint filter warning signal beeps when there is no lint on the filter. It will beep after 5 minutes and you have to open the door and close it to start it again.
Please help it is driving my husband crazy!

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  • lorieok Mar 13, 2008

    Thanks but we do not have a condensation dryer so there is no drain hose.

    We still have the same problem and have had a repair person out 5 times. They have replaced all the sensors, the control module and the side vents and it still does the same thing.

  • Anonymous Apr 26, 2008

    Same problems, the lint filter sensor shuts off dryer constantly, as well as only runs for 5 minutes or less at a time.

    The product is HORRIBLE NEVER AGAIN WILL I BUY BOSCH anything..... the washer bounces and vibrates shaking the cabinet its in.

    Now the dryer wont even come on.

    I have had service people out about the bouncing washer and the lint sensor on the dryer they were aboslutely useless, did nothing charges me 160.00!

    I have had these for 3 years and have had a hard time doing my laundry since I have to babysit both machines.

    I will never ever buy their products again. They were more than 2 times the price and had problems from day 1, that no one fixed and they would not replace!

    BUYER BEWARE!!!!!!!

  • Anonymous May 12, 2008

    lint light flashes and dryer will NOT start.

  • llsauter May 21, 2008

    Same exact problem - it all started when a belt broke and was replaced by the repair people. When I asked why a belt would be breaking after only three years, he said that if I didn't clean the heat exchanger enough, that might cause it. Of course, I cleaned the exchanger all the time. Shortly after the belt was repaired, the dryer started beeping with the "clean lint filter" light flashing. Have already paid $200 to have a temperature regulator changed, but it is still doing the exact same thing. I hate this dryer and I hate Bosch's customer service. They are terrible.

  • Brebrezer Jul 04, 2008

    My Bosch 500 series is 7 months old. The warning light comes on after about 6 min and stattes clean filter, no lint on filter. i have washed the filter 3 times, cleaned sensors, vacuumed lint from the dryes, taken out hose (no lent build up in hose) made sure dryer is well ventilated. I am not happy at all wtith Bosch. Not to mention these appliances are expensive.

  • Anonymous Jul 13, 2008

    brand new....only used this dryer several times before it began the beeping....I just wish it didn't beep! It is SO annoying! I have to stop everything and go reset it. There is never enough in the filter to cause a problem!

  • tpersico Jul 13, 2008

    Well I just bought a brand new Bosch washer and dryer and it was delivered today. It is doing the number with the filter light on the dryer coming on every few minutes and shutting down. The filter is brand new (no waxy dryer sheets have been used) is white as it should be for a brand new filter. Tested all different setttings same issue.

    I waited 5-6 weeks to get this set delivered and now I can't even dry my first load of laundry (which as you can imagine has piled up).

    Not happy and worse...I see this problem isn't new since others are having it.

    I called Lowe's and told them it's defective and I want it sent back. I don't have time to deal with repair men and a machine that doesn't work right on the first load! Surprised as my neighbor has Bosch and loves it, which influenced my choice. Who can trust these brands anymore? I thought Bosch was top rated.

  • bruce hess Aug 06, 2008

    We have a brand new bosch Nexxt 500 dryer and the dryer runs 5 minutes and than stops. The lint filter light blinks. We called the bosch service center and they said it was the venting, however the same thing happen when the venting is detached.

  • toolmanab Dec 30, 2008

    Ditto to those that have the WTA 3510 dryer. The lint alarm is problematic. Very disappointing considering what we pay for these units. My guess, is the probe is the issue. With the dryer venting in the room the problem still occurs. So the long duct or elbow theory is unsupported for us as well. The unit worked fine for the first couple years with no issue so back to the probe as the possible solution. I hope to get one and install it myself. I will keep you posted on what I learn.

  • Anonymous Jan 01, 2009

    Brand new 800 series dryer same problem.
    lint filter beeping and E01 error message every 5 min.

    I hate it. I want them to come take it back.

  • Anonymous Mar 23, 2014

    dryer willnot start gives a clean the filter fix but still wanr reset



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I posted in late December on the lint alarm and what I discovered was a bit alarming. (no pun intended) Lint had been accumulating on and around the heating coils used to dry our clothes. Some of the lint was burnt and the remainder, amounting to a small handful, was caught up in other area's around the lint sensor. After carefully cleaning the heating coils (with a tooth brush) and removing the rest of the lint and successfully putting everything back together, we have not had a lint alarm issue since. (Touch wood). No need to replace the lint sensor or any other parts. It was not that hard to take apart the back and remove the heating coils to clean, but it requires the unit to be unplugged, careful attention to what came off and where it goes back on. After what I found, I will be cleaning the heater coils out once a year. Which then raises the question. Should a person have to do this? The obvious answer is no! But from time to time we buy things that are not what we would expect and do what we need to do to make it work. From what I can tell, lint is getting past the lint filter and ending up where it shouldn't be. Hope this helps any of you that are having the same issue.

Posted on Jan 12, 2009


I agree with Solution #3 posted by Guest. After spending $85. for a service call was told the only thing it could be was control panel and would have to charge me $300 plus labor!! The dryer cost me $600. 6 years ago. I cleaned the filter; soaking it in soapy water and scrubbing it with a brush. It was gray before and I finally got it to be white again. AND my dryer now works! I called my repairman and he still thinks I need a control panel. Yea right! Thank you so much for the solution. By the way, I don't use dryer sheets anymore. The manual doesn't say not to but you shouldn't. Still I wouldn't by Bosch anything anymore. Too expensive and the cheap dryers work better, no wrinkles in clothes and if they break you don't mind buying a new one. There service dept. is awful. They don't even care if you post a bad review!

Posted on Nov 04, 2008

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For those of you that have bosch dryers that cut out after a few minutes and the lint filter lights flashes I can tell you what is going on. If you pull out the lint filter and look down you'll see a little metal probe sticking out on the left side next to that is a little metal disk. This disk is a temperature sensor. What is happening is is sensor opens and shuts the dryer off and turn the lint filter light on. There are two things that could be causing this, either the tempeture that the sensor is sensing is exceeding the limits of the sensor or the sensor itself is defective. The other thing you need to be sure of is that if you are using propane that the regulator in the dryer has been changed out. Most of the dryers come set up for natural gas and you must get the conversion kit to propane.In addition Bosch recomends that the venting to your dryer not exceed two 90 degeree bends. My guess is that many of us have more bends than this. This could cause this sensor to reach its limit. It could also be that the sensor itself is overly sentitive or just plain defective. If the bosch repair person replaces this and you still having the same problem it's most likely the venting. I myself plan on solving this problem by getting a sliglty higher rated sensor. This is not recomend as it would viod any warranty and if the temperture gets to hot is dangerous.

Posted on Aug 06, 2008

I have a vented (not condensation) model, but I found a solution which may apply to both:

If you routinely use dryer sheets, they have a waxy substance which clogs the lint filter, limiting airflow and causing the sensor to trigger even when you've manually removed all the lint. Is your lint filter as white as the day you bought the unit? If not, wash the filter with dishwashing soap and use your fingers (not your nails) or a soft sponge to wipe the lint filter repeatedly. After doing this I saw a huge difference in the appearance of the filter (it was clean) and the lint filter light stopped triggering.

Posted on Jun 01, 2008

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Condensation Model?

Lint does find it's way through the filter and heat exchanger -- after that it becomes a wet glob of gunk.

The glob can build up and eventually block the drain tube. If the dryer senses drain blockage, it stops and flashes the lint filter light.

If you can get to the lower left corner -- pull the little rubber drain hose off and check for blockage. Inspect the entire length of the hose. The blockage could be anywhere. Also be prepared for a moderate (few ounces) amount of water in the hose. Depending on how much fabric softener you use, it may be oily or greasy to the touch.

Sure, they could have added a dedicated light for this specific problem. But on the other hand, at least they included this particular sensor. No need for a sensor or warning light when there's a big puddle of water on the floor -- right?

Posted on Mar 10, 2008

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