Question about Broan-NuTone Intermediate Whispaire WA6542SS Stainless Steel Kitchen Hood

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Motor very noisy and then quit working

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Re: motor

Replace Fan Motor
Product Label Says Not To Lubricate Bearings Because they
are permanently Lubricated. However, the bearing are actually gimbal mounted and held in place by a Flimsy Retaining Plate.
Lubrication will only evaporate under oven use due to the rising Heat.

Posted on Dec 30, 2007

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My customer has a Thermador H26HQS range hood. When the fan motor became noisy, he obtained an identical replacement for the motor, which I installed. After installing it I noticed that the speed control...

The speed module is very simple: a triac with some extra components to modulate it, it's build exactly the same as the one from a vacuum. That speed module is controlled from the touch screen - are you sure the touch screen is operational? That's relatively easy to test - just put a potentiometer where the control signal goes and see if moving the potentiometer changes the speed.

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So noisy even on low

Does the fan seem like it is spinning off balance. What exactly is making the noise, the fan or the motor. I will see if I can find an owner's manual. Please get back to me on my questions

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Noisy fan or motor?

HI. The most common issue here will be with a loose motor shaft. This is the part that the fan blades are mounted on. When this occurs, the looseness will cause the motor, and shaft to wobble, thus, causing this noise you here at high speeds. The wobble is less violent during the slower speeds, so it is not loud, in this case.

The second issue will be a warped fan blade. This will cause the fan to rub against the shroud, thus, creating the noise, as well.

If the shaft is loose, or bent, the entire motor will need to be replaced. Now, if the fan blade is warped, you can, simply, unscrew the blade from the shaft, and replace it(on most model)

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Nutone motor is ****

Are you replacing the blade at the same time? An unbalanced blade can ruin the motor before its time.

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1 Answer

Zephyr Savona range hood quit work on low spds-hi still works

Motor Speed may not be working and this means the either the motor is bad or switch is bad for motor Low Med Hi Switch

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1 Answer

Nutone range hood fan motor quit

You can remove it and bench test it by applying 120 volts to the fan leads. Do you know how to do this -- it can be dangerous if not done properly.

You can also use a voltmeter to measure resistance and check continuity of the motor coils.

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Kitchen extractor fan just started making a screeching sound and slows down and stops as if something is holding it back Not sure whats happening

the motor is going bad. soon wont work. only 2 things to do either 1 replace motor. 2 replace hood. motora are usually cheap. $10-50 ...

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Very noisy operation

Yes....this will throw than fan unit out of balance almost the same way the tires on your car get out of balance. The wobble effect at high speed makes tons of noise.

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Nutone WA6500 range hood fan motor noisy

We have the same product, 18 months in use and the very noisy motor has finally seized up. I contacted the manufacturer and was advised that I need a new motor, motor mounting bracket and fan rotor. The agent was not able to quote me a price for the parts but stated that even though my 1-year warranty had expired, if I faxed them a copy of the original sales reciept they could possibly send me the parts for free under the original warranty agreement. I've done as they asked but haven't received a reply as yet. After reading about all the problems with this product I'm tempted to dump the whole unit and try to find another manufacturer that has a reliable and QUIET range hood.

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