Electronics > Beginners
total novice needs advice on zener diodes
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Johnny10:
It looks to me as though you might be able to buy boards and replace.

 The Omega II manual has pics of PC board but no schematic.

http://productload.johnsonfit.com/inc/uploaded_media/ba2e870dabd6373a48f8e138dfc9c56f/service_guide/54c14b21a33d970fb0beb252b7d83034.pdf


I don't know your exact Model number but look here.

https://www.ereplacementparts.com/horizon-fitness-treadmill-parts-c-201405_201552.html


Oh, But they are over $250 for Motor Controller Boards... OUCH !

Sorry, Guess I wasn't much help.
 Or these guys charge about $75 to do repair.
I saw them on eBay.


emmajackt:
Wow!! I think the treadmill is only worth £30. Thanks so much for finding this though. Much appreciated.

Regards, Kev.
Brumby:
A word of warning ... even if you do correctly identify the failed parts and replace them, the questions still stands: Why did they fail?

If the fault condition was in one of those components that were replaced, then you have a fair chance that the replacements will fix the problem - but if it was not, then the replacement components might also meet an inglorious death.

... and you will be back where you are right now.
capt bullshot:
Looks like this board does some serious mains voltage control. Having small components going bang on such kind of board usually has its root cause somewhere else, not the components itself.
emmajackt:
Thank you for all of your advice. I think this repair is beyond my very limited electronics knowledge, so instead of wasting money, I think I will scrap it and look on Ebay for another.

Thanks again for all your replies and have a great Christmas.

Regards, Kev.
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