Question about Bosch Nexxt WTMC3321US Electric Dryer

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Dryer not drying

It spins but does not appear to be generating any heat. I checked lint and cleaned sensor. Am i missing something? cant seem to get anyone to come fix it until next week. hoping i can solve it

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Go to the link, page 4, item 405. this is a manual reset stat which may have been activated. Turn the power off, remove the back panel, locate the stat and there is a small button in the middle of it. If when you press it, it makes a definate click, the stat was activated and you have now reset it. There should now be heat if this was the only fault. Sounds simply but now you have to check why it was triggered...check the outlet hose is not too long or becoming kinked when unit is pushed back into position, check the discharge point on the other side of the wall is not congested with fluff build up or obstructed. Make sure when you run a cycle that you always let it finish the complete cycle as the last ten minutes of the cycle is a cool down and must be completed. Check that your washing machine is spinning effectively and the load is not going into the dryer too wet. Finally, ensure you are not overloading the dryer, adhere to the max load weight as per manufacturers guidlines.
Very much hope you solve the problem and save the cost of getting someone out, all the best and good luck.

Posted on Jul 13, 2010

  • bvdrax Dec 31, 2010

    That did it for me, great tip, thanks!



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I will assume that you have cleaned the lint trap and checked that there is no lint stuck in the lint trap cavity

First, check the dryer vent. Any blockage anywhere in the vent will stop air flow. A dryer needs air flow to dry. Check every bit of it, even where it goes outside.

if that isn't the problem, then check your electrical connections. Your electric dryer runs on 220 volts, but it's really two wires carrying the electricity to the dryer at 110 volts each. If one of those wires isn't connected, the dryer could still turn on and spin, but it won't dry the clothes.

I learned that the hard way going through 2 dryers. Turned out one of the fuses in my apartment's fuse box had blown, but 2 fuses made up the 220v circuit. The dryer would spin and would work a little bit on low settings, but any other setting it would just spin and not dry at all. Replacing the fuse fixed the issue. With a breaker box, the 220v double breaker is connected, so if one trips, they both trip, and it wouldn't spin or turn on at all.

So check the socket with a multimeter (or have an electrician check it) and unplug and check the dryer cord making sure each connector is securely screwed in to the panel on the back. There is typically an access panel on the back of the dryer right next to where the cord goes in that you have to take off to get to the connection panel.

The last thing I would say a DIYer could look at is the heating element. If you take the back off, you can access the heating element and see if there is any lint or debri in there... if there is, clean it out and try the dryer... if it still doesn't work but there was debri in the heating element's channel, it could have burnt up a safty sensor that shuts the heating element off when it senses too much heat (fire, or potential to cause a fire) I suggest using and appliance repair man at this point.

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Run the dryer for 2-5 minutes. Check to see if it has heat inside. If not, you have an internal problem.
If heat is generated, check your dryer lint trap. It must be clean before every dry cycle to dry properly and efficently. If the trap is clean and heat is generated, check the tubes behind the dryer for disposing of the lint.

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Dryer Does Not Turn On

Ensure that the dryer's power supply cord is firmly plugged into an electrical outlet.

Inspect the structure's fuse box for a tripped fuse. Each fuse is assigned a single "On/Off" switch. If any fuse switch is in the "Off" position, flip that switch to the "On" position. If the problem persists, contact a professional electrician.


Press the "Start/Stop" button on the left side of the dryer's control panel.

Close the dryer door firmly so that the door clicks into place. The dryer will not operate if the door is not shut.
Lint Filter

Clean the lint filter. Twist the program selector knob on the control panel to the "Off" position, then open the dryer door. Pull the lint filter out of the dryer. The lint filter is located at the front of the dryer's tumbler, and is inserted vertically into the dryer. Gently stroke your hand over the filter to clear the lint, then reinsert the filter and close the door.

Turn the dryer off and allow at least 30 minutes for the dryer to cool, as excessive heat can cause a drying program malfunction.

Increase the ventilation of the room the dryer is located in, such as by opening a door or window. Excessive heat will cause the dryer to automatically turn off until it cools as a safety measure. Increasing the ventilation will help keep the dryer cool.
Clothing Not Fully Dry

Clean the moisture sensor. Open the dryer door to access the moisture sensor. The black-colored sensor consists of two bars, and is located at the front of the dryer's tumbler, to the left of the lint filter. The sensor should be cleaned with a clean cloth and white vinegar once per month.

Clean the lint filter. Twist the program selector knob on the control panel to the "Off" position, then open the dryer door. Pull out the lint filter. The lint filter is located at the front of the dryer's tumbler, and is inserted vertically into the dryer. Gently stroke your hand over the filter to clear the lint, then insert the filter back into the dryer and close the door.

Spin the laundry at a higher spin speed in the washing machine before placing the laundry into the dryer to reduce the moisture content.

Turn the dryer off and allow at least 30 minutes to pass for the dryer to cool, as excessive heat can cause a drying program malfunction.

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1 Answer

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Remove the exhaust vents tubing and clean out thoroughly good. Any lint build up will make the moister sensor to keep the heat in check. If cleaned and still does not heat very well replace that sensor. If no heat is present replace the spark ignitor instead

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look inside your lint trap to see if it is clogged. Also remove your vent hose to check for clogs there and at the outlet. make sure your hose isn't kinked.

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