Question about Thermador CVS30R Kitchen Hood

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Thermador downdraft does not stop going up and going down automatically

Downdraft should stop when it reaches its highest point or when it lowers to the counter top but unless the unit is turned off it will continue to go up and down. Would like suggestion on what to replace before taking the unit apart. Blower is also slow to initiate. I need to turn the blower control to the 3rd setting before it will start up and then I can lower the blower speed. Thank you for your help.

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  • Anonymous Feb 26, 2008

    have the same problem for sbout 3 Wks, but now the blower does not work also ?????

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I had a similar issue with the Thermador CVS30R hood continually going up and down, and also issues with the fan starting.
The issue was found to be a loose control arm off the motor. The arm itself moved outward on the motor shaft which resulted in it missing the switches that control the hood up/down and fan start.
This was a somewhat simple fix. Make sure the hood is in the down position. Unplug the unit from power(important!). Unscrew the screw that connects the drive arm to the drive link. Unscrew the motor/control cover, then unscrew the 4 screws holding the complete motor/control unit on (2 Phillips-head screw on each end of the assembly). Pull the complete motor/control assembly out, be careful of wiring. Once out, push the drive arm on firmly onto the motor assembly and tighten the screw. When doing so make sure the 2 micro switch arms are not caught and are free to switch.
When placing the unit back in, ensure all wiring is clear from being caught and ground is reconnected. Put it all back together and done!
I found this link to be useful for a parts/configuration diagram:http://www.appliancepartspros.com/partsearch/model.aspx?model_id=232629&diagram_id=194441#d194441

Posted on Dec 30, 2011

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Posted on Jan 02, 2017

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  • 4102 Answers

SOURCE: Downdraft up and down

Hi do you mean the air is increasing and decreasing on its own

Posted on Feb 22, 2008

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SOURCE: thermador cooknvent downdraft CVS36R

My quess is you would have to replace the switch / button if its not working properly.

Posted on Oct 24, 2008

  • 1 Answer

SOURCE: Filters for the Kenmore Downdraft Blower

I have the manual on this model.  It says it is part#97009786 key#33. and has a phone# of 1-800-366-part(7278) to call to order. Hope this helps. My lift stop working and I am searching for answers on that.
Greg

Posted on Nov 29, 2008

  • 5 Answers

SOURCE: install a Thermador UCV36 cook'n'vent

I have three 90s on my downdraft unit - 90 down from unit into slab, 90 out from slab to outside, then 90 down again. If you are talking a 6" or 8" dia vent it should not make a difference at all.

Posted on Jan 07, 2009

  • 1891 Answers

SOURCE: Thermador Downdraft blower Fan Not Working

could have serveral problems / if under counter or in back of range . the last two i had the control buttons w wire harness needed replacement /another required the pc board in connevtion box ( under counter in right cornor. also look for poor connections in the power box .

Posted on Dec 07, 2009

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