Need Help With A Weslo Treadmill motor control board

iggieJanuary 27, 2009

Our treadmill quit working after an electrical storm where power was off for two days. The treadmill had a surge protector. The motor that operates belt is dead. The incline control works fine. So by this I know the power board is ok. Problem is on motor speed control board. The company wants $130 for a new board. I want to remove board and repair it, can anyone give me some help, where can I find info on such. I am fairly famaliar with electronic boards, as an hvac tech I have repaired lots of printed circuit boards. Any help would be grearly appreciated.

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pjb999

As someone who has repaired circuit boards, you should know you will ideally want a circuit diagram for said board.

$130 is actually not a bad price, as you also probably know, although I too like the thrill of a challenge. Certainly in terms of your time it will be cheaper to replace it but with some luck your component cost will be smallish.

What is on the board? Lots of ICs? Have you been able to find voltage on the board? Is it supplied with ac or dc?

In my experience, firstly look for burnt parts I kid you not) next, the two most likely failed components will be capacitors or semiconductors. Try and find voltage at selected points on the board eg at the caps and try to narrow it down. If the components are surface mount, don't waste your time, you need a special soldering iron for it, and awfully good eyesight, not to mention the components themselves. You can get bulk components on ebay cheap, including sm components, but you will have to buy a range, which will end up costing you more, but might be fun to try.

    Bookmark   January 27, 2009 at 5:34PM
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garymunson-2008

My experience has been most new devices have a lot of proprietary chips that are not available to purchase. $130 is probably the best option..

    Bookmark   January 30, 2009 at 5:15PM
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pjb999

That's true, or I suppose going back a bit, eproms with proprietary software on them.

    Bookmark   January 31, 2009 at 4:47AM
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