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Flashing PROTECT I was listening to my radio and it quit working. Instead it now is flashing "PROTECT" I can hit standby and it goes off. If I hit standby again, PROTECT

Posted by Bobby Lundy on

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  • Rex_b Nov 23, 2008

    I have a KDC-MP4032 and it randomly will go into protect mode I am not currently using the internal amp? I am using all three RCA cable outputs into my Alpine amps. It would seem that if I had a wiring issue it would trigger the protect circuit in my amps? Is it possible for a short to carry back to the head unit?

  • Anonymous Mar 21, 2014

    The word protect keeps flashing

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Brian Neathery

Brian Neathery

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This is often caused by a problem with the speakers or speaker wiring. A speaker wire that's pinched behind the head unit will cause this problem if it's shorted to dash metal or the deck chassis. The first thing to do is remove the head unit and inspect all the speaker wiring for bare spots or pinched spots. If everything looks okay, disconnect all four speakers from the deck and switch it on. If it still shows "protect" then you have a defective head unit. If not, then turn it off, re-connect one of the speakers, and turn it on again. Continue until you find the speaker output that puts the deck into protect mode.

Posted on Jun 26, 2007

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