12volt power supply issue

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themow

Member - Posts: 18

Joined: September 27, 2006

Location: Albania

Posted: July 08, 2007 at 5:01 PM / IP Logged

My bench tester is having issues. Whenever i hook anything into it, it shorts out and the power light goes out. This happens as soon as i touch the ground to whatever is being tested. Then 10 seconds later, it powers up. It seems to me that theres a short somewhere but I took the lid off and it all looked clean and the cables are not cut or burnt. Any thoughts?

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citrus3000psi

Member - Posts: 13

Joined: November 27, 2006

Posted: July 18, 2007 at 11:42 AM / IP Logged

An easy way to tell if its the transformer or the componets is just discount the trasnformer from your circuit and hook it straight up to a voltmeter. See if the transformer dies or stays alive. If its alive then something with your circuitry is bad... I would assume the transformer is bad though.

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12volt power supply issue

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