I just had the same problem, motor runs but no heat. I had a fun time figuring out how take the front panel off, hint the rubber seal comes off easily. It looks like mine tripped the resettable over heat sensor. So far so good.
I had the same trouble after moving to a new house, I first thought I had a voltage problem. It turns out that the heating coil has a high temp re-setable switch in side the back - lower right side. the sencor has 2 screws, I took it out and cleaned off the lint and now have dryed 5 loads with 0 issues. looks like a flaw in design that would allow lint to get in the heating coils!!!!! I think I'm going to look for a new dryer before I burn down the house!!
I have a Siemens dryer and few days ago it stopped heating, but the drum rotates. The problem was because of a safety reset button that went off. On the Siemens (WT dryer series), it is a red button behind the dryer.
Press the red button and it will restart. I might have started a fire, if not for this safety switch.
A similar reset button must have tripped on the Bosch dryer.
FYI: Remember Bosch and Siemens share their technology.
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CONSIDER THIS BOTH LEGS OF AC MUST WORK TO GET HEAT FOR DRYER Maybe you don''t have power to both legs of your receptacle. Both legs of the 220 volt AC have to work go get heat. Only one leg is used to run the motor etc.. Your motor runs so this can fool you into believing that the electrical connection is ok when it really is not. Your dryer is on a double circuit with two breakers. If one fails you lose one 110 volt leg which can be the one giving the full 220 Volt needed for the heater. This happens quite frequently and people mistakenly replace heating coils. You could have a bad breaker, one of the two. You must check this first before assuming anything else. Get help if you are uncomfortable with potentially deadly voltages
If you have a Tumble Dryer that is not heating up but the drum is turning ok, then the chances are the thermal overload cutout has tripped. Bosch dryers have a reset button but you will have to remove the heater cover panel to access it, you will find it just above the heating element (a black stat with small red button) simply press the red button and if it clicks you've fixed it.
It also may be:
If the dryer doesn't heat, but the drum turns, check the thermal fuse(s). The thermal fuse protects the dryer from overheating and helps to prevent fires. If the thermal fuse is blown, it will have to be replaced
Sounds like a bad thermal fuse or thermostat, check all of them with a multi meter for continuity. as for the heater going out I would check ur venting inside and out the machine. the fuses and heater blow out for a reason? Usually due to overheating issues? I suspect ur lint build up is the problem?
There is a switch located on the duct from the heating element. Which you are not able to reset, you have to replace it if it's defective. Do a continuity test on it and if there is no continuity then the switch has to be replaced.
If you are having problems with your gas dryer not heatingthe most common problem is that the ignitor goes bad. Even though it glowssometimes it is still not working properly.
if you dryer is gas check out this gas no heat tip....
If you have an electric dryer, you can have many differentthings that can go wrong causing the dryer not to heat.
check outthis electric no heat tip...
Have a Nexxt 3300 and believe yours is about the same so yes, several screws to remove from the back. Top also has to come off because two screws to the back are under the top. And for the top to come off the control panel has to be pulled away. Only four screws under four white caps to remove for panel to be loosened. The top is attached with two screws in the back and four nylon clips under the top. The red reset button will be easy to see after removing the back. It is attached to the heating element housing. It is not hard to do, just a pain to get to the reset button. Link to Bosch appliance website with give you a diagram to help. http://www.bosch-eshop.com/eshop(bD1lbiZjPTAwOQ==)/bosch/us/prodp.htm?prod=WTMC632SUS%2f02&ESHOPTYPE=A Good luck.