The circuit board that we use to replace the old ones are a new generation of circuit boards. To this day i have never had to replace a circuit board that i had already replaced, and beleive me i replaced a fair share.
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Hi, Sometimes they can be cleaned and oiled and they will work again... Cleaning the grease and dust with out ruining the motor is the tricky part... Take the unit apart as much as possible...spray down the fan part with a degreaser or strong cleaner...let it soak and they spray it down with water to rinse it off... Then work a few drops of light motor oil into the motor by proping up the fan so that the oil will run down the shaft and into the motor...
then get it running smoothly by working it by hand...
Put it all back together and it should work again...
You might try your local furnace or heating shop as they can usually custom make ducting and may be able to do this for you, but I am sure it will cost. I have had similar problems and usually a good sheet metal man can help.
I have a NuTone Allure WS2 range hood. The fan works fine, so does the control board seem ok, but the lights work only intermittently. NuTone tech support said to replace the control board, which I suspect is its kneejerk response. The board costs almost $200--and for two lights???
My problem is similar to the one whose lights work, fan doesn't, but I have a feeling my problem is different.I hope simpler.
Thanks in advance for help (light) on the problem anyone can offer.
Had same problem & fuse fixed it.
Before buying a new control board (approx $160), check the 3 amp fuse located on the inside of the vent on the control board. You have to take the light/bottom housing & black plastic air chute off to see control board/fuse.
According to the manufacture instructions, you always need to run any appliance on it's own circuit. Any licensed electrician will tell you to run another circuit. We have to cover our butts you know.
That being said, I have my range hood running on a shared circuit with my porch and attic lights and one outside receptacle.
It mostly depends on what else you are running on that circuit. If you already have several things on it that you would have running at the same time as the hood I would recommend running another circuit.
The Problem is the wiring. Take the 2 screws retaining the metal plaque off underneath the filters. You will see the wires leaving the motor going into a "molex" plastic connector which connects two another set of wires going to the control board. Check to see if the wiring colors match from side to side of plastic connector. Ive only seen it happen once but it was exactly that. I do service calls for broan & Nutone