More MaxxFan Motor Problems - Can we upgrade to Brushless?
Having again needed to completely tear apart our MaxxFan ventilation for the 10th+ time, I figured I'd show the problems you might have with a MaxxFan and how you might solve them. I also go to great lengths and cost to get a drop in Brushless Motor to fix these motor and controller problems once and for all, only to fail miserably. Score: F-
0:00 Intro and Overview
0:37 Problems with Circuit Board Control
1:51 Control Board Fails at 14 volts!!
2:45 Squeaky DC Motor and Brushes
4:41 Brushes Trenching through the Copper Commutator
6:35 Making Do because Replacements aren't available.
8:50 What a Brushless Motor Swap?
12:34 Brushless Motor Cogging!!!
13:32 Realization of Failure...
15:14 Rebuilding the Original DC Motor Commutator
21:09 New Commutator Installed
22:47 Cleaning the Carbon and Reassembly
29:05 Breaking in new Carbon Brushes
32:43 New Members Only Content
32:56 Today's Extra Content...
🔗LINKS
The Conformal Coating I covered my PCB with...
MG Chemicals - Silicone Conformal Coating, Clear, 340-gram Aerosol https://www.amazon.com/dp/B008O9YGQI
(Not an affiliate link)
The Replacement Motor Commutators I got:
8mm x 18.9mm x 13.5mm 12 Position Motor Commutator
https://www.aliexpress.com/item/32999...
Untested Replacement Motor Brushes, Couldn't get them in time before we moved on...
5mm x 6mm x14mm Carbon Brushes should fit nicely.
https://www.aliexpress.com/item/32854...
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