Question about Thermador VTR1000Q Remote Ventilator Kitchen Hood

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Thermador Blower Motor Not Starting

My blower motor will not start. I can hear a buzz sound when I press the medium or high blower setting. If I manually turn the motor shaft by hand, the motor will start up. Feels like there is friction or drag on the shaft. Does this mean I need to replace the motor? If so, please provide a source. I'm surprised if it is the motor because it's only a couple years old and hasn't been used that much.

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Re: Thermador Blower Motor Not Starting

To check capacitor disconnect power to unit. remove wires coming from the capacitor making sure to note where they were connected. Using the ohms setting on your multimeter place one lead on each of the two post. Watch carefully and if the capacitor is good your meter will spike for a second then return to zero. IF nothing happens capacitor is bad. Good luck. Kevin

Posted on Feb 01, 2008

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Hood has a remote blower (VTR1400Q). Only working on MED and HIGH setting.

See if it has a blower motor resistor(controls speeds) and replace it.
Look up model at & see it the resistor is a listed part. See link, go to repair help by model number. Forget it. I just checked the only part they sell is the motor for $267. You can buy a new hood for that.

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How to change the switch on a thermador UCV36

Thermador Appliances ' Customer Support, Service, Repair ...

ThermadorThermador customer support is your appliance resource for FAQs, use & care videos, product registration, warranty information, service, repair and more.

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Why isn't my Rangemaster Hood blower turning when switched on?

Hi Ed
Being a range hood & subjected to cooking fats etc. It might be gummied up around the fan and just require cleaning!
But.... you said it was humming and there is a capacitor close by.
Then it's probably an induction motor thats not getting kick started by the Cap. While it's humming, use a finger (or stick) to push start in one direction or try other direction. If it spins up and stays going.... you've found the problem. The Cap is not kick starting in the right direction. Remove the Cap (with AC Disconnected) and check the values to get a similar replacement.

Good Luck
You searched for Start capacitor

Sep 28, 2015 | Rangemaster Range Hoods

1 Answer

Blower is working, but makes a medium to high pitch sound

Blocked or dirty filters or grease buildup on the fan blades. It may also be the bearings in the fan motor are wearing out. Most rangehoods , only have the motor assembly as a spare part.

Sep 17, 2015 | KitchenAid KWCU205HSS Kitchen Hood

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RV36 , only the highest blower works how do I make the medium and low blower work

Check for power at the mufti selector switch. If you have the correct power at both outputs the low and med windings in the fan are gone. Could also be a bad resistor, if it uses a resitor block to slow the motor instead of windings.

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1 Answer

Need info on how to change wiring from recirculation to remote

get another electrician, he doesn't know what he is doing, this is not easy to figure out without diagrams of the connector that shows exact wire colors and where they go or went in prev installation..

Apr 10, 2009 | Thermador UCV36ASS Kitchen Hood

2 Answers

Downdraft blower quit working

replace whole unit thats roughly what the whole unit costs 157.00 just a little secret there they dont tell you cause they mark up the prices i worked for the company that sold and installed this equipment you also remember tax

Jun 01, 2008 | Kenmore 59940 Kitchen Hood

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1 Answer

Thermador downdraft does not stop going up and going down automatically

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:

Jun 05, 2007 | Thermador CVS30R Kitchen Hood

1 Answer

Downdraft doesn't alway go down and up.

I have the same problem. Seems to be pretty common that the motor that raises the unit goes bad. Ours is 2 1/2 years old and has not seen that much use....that motor should not have failed that soon...and this is a high end product!!! I have been quoted $289 for a replacement motor and $150 for labor!! So, $450 bucks....gads. The unit, new, cost about $900, as I recall.

May 08, 2007 | Thermador UCV36ASS Kitchen Hood

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