How to fix your old AC Infinity fans

So I’m not the first, but it isn’t well known how to fix these.
So go to Ebay and get yourself 1PCS 28BYJ-48 Valve Gear Stepper Motor 12Volt from China. Make sure you get the 12V because they come in 5V and 12V.
Mine got here in 8 days and I paid $1.34 a piece!!!

Now, the connector ends are not the same. The sizes are different but the order is the same. Three of the five colors are the same in the same order as well. Second, the holes are a bit narrower than the stock mounting holes. Just snip the ends, super easy. Solder it all up, and re-install. It’s pretty tight in there, and I had to shift the wires to the side of the motor rather than straight up like you see in the picture. EASY PEASY everyone!!!



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Nice work :+1:

Does that motor just run the fan blade or does it also work the oscillating gears?

This is the older model fan, first gen?

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Yes first gen. The replacement is the oscillating gears. I’ve never seen anyone complain about the fan itself going out. It’s always the oscillating gears start skipping. Looking inside you can see the metal gears chip off and there are plastic ones inside as well.
I’m not sure if the new motor I’m installing has better parts or not. The part no. is a little different than the stock one, which makes me think they may have corrected the issue.

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awesome. I have two older ones that do this :+1: Thanks for sharing

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A-One hack!!

Well done @tomatoesonly :clap:

Cheers
G

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Thanks so much, tomatoes!!! I wouldn’t have thought to repair them, but now I have to after seeing how easy it is. Won’t make the mistake of letting them grind against tent walls or doors again…

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So very cool!! Thank you @tomatoesonly. This kind of help and information is priceless. Who would’ve known how easy this could be.

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Thanks for posting! I will try fixing up the ones i have.

I think i got 4 warranty replacements before they updated the design. 3rd and 4th warranty claim they just told me to keep them and sent new ones so ive just kept them as backups.

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The 1st gen design was overly prone to it. I kept mine away from the walls and still had it happen. I suspect from trying to use the buttons on the back while it was oscillating.

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Great job @tomatoesonly.
I’ve been maintaining and reparing my “favorite” pedestal fans for a while now. The first one I actually took apart the synchronous motor and put back together. Then I just replaced them after that. But I have to lubricate these felt pads inside that keep the shaft lubricated. It’s a bit of nuisance, for sure.

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Oh, really cool!

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Thanks for the very helpful share @tomatoesonly !

:foot:

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Got me thinking. I have Vivosun fans doing the same thing. Thanks for the tips. I’ll tear into one.

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Update this post if you do because I have a vivosun I just use as a stationary fan because it stopped oscillating.

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