Question about Concept CC-452 Car Audio Amplifier

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Why does the protect light turn on when i connect the RCA wire?

Why does it do that?

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  • hartgarman May 15, 2009

    my amp was working fine then just stopped and the protection light is on. I checked all the wiring and everything seems to be fine. how do i get it out of protection mode?

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Check the fuses an make sure nothing is grounding off the amp which will make it go into protect mode

Posted on Nov 30, 2008

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You say the protection mode only occurs when you plug the RCA's in. Does it have to be both RCAs or just one?

The other end of the RCA cable is plugged into the HU?

It possible the RCAs have too much DC voltage on them, causing the amp to go into protection.

Is there a short in the RCA cable?

I would definitely check out the RCA connection at the back of the HU, as it sounds like there could be other issues there. Make sure the RCA connectors aren't touching any other metal (especially +12V).

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