Question about Kenwood KDC-MP5032 CD Player

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My stereo is flashing the work "PROTECT" across the front

I bought a stereo from my son's friend and it has worked great for the past four months, but today I was going down a really bad street and hit a huge pot hole, then the words "PROTECT" started flashing and the radio will not work at all. What do I need to do? I appreciate your help if you can. Thank you, Shank22

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Re: My stereo is flashing the work "PROTECT" across the...

In a Kenwood deck, "PROTECT" usually means that one of the speaker output wires is shorted. The first thing to do is pull the deck and inspect the wiring at the back, making sure there aren't any pinched or exposed wires. If a speaker wire is pinched against the deck chassis, or bare wire is touching dash metal, it can cause your problem. If you don't see anything obvious, disconnect all speaker wires from the deck, then turn it on. If it still flashes "protect", then you have a defect in the unit. If not, then re-connect the speakers one at a time until you find the one that causes it to go into Protect mode. Usually if you don't find a pinched or shorted wire behind the radio, the problem can be found at the speaker itself. This is especially common if you've installed after-market speakers; if a speaker terminal connection has come loose and is now touching the speaker basket or mounting surface, it will shut down the deck.

Posted on Jun 07, 2007

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Re: My stereo is flashing the work "PROTECT" across the...

Simple fix: while the radio is on, take the face off and you will see a small hole in the plate the face attaches to, which usually says "reset". push a pin in the hole to reset the radio. Most of the time that will take it out of protect mode and radio will work. if it is still in protect mode, then do what tech says, test the wires.

Posted on Oct 27, 2014

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Turn on the car so the radio is flashing "Protect." Look on the front / removable face of the stereo. On it you will find a small round hole - that's a reset button. Find a small paper clip, unfold the clip and stick it gently into the hole. The "Protect" will stop flashing, and Kenwood will be displayed. Unfortunately all your settings/presets will be gone, but at least the stereo is working again!

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"Protect" isn't for security on a Kenwood; it's caused by a problem with the speaker output. There may be a defect in the CD player, or you may have a blown speaker or a shorted speaker wire in the vehicle. Try disconnecting all the speakers and see if the unit still shows "protect" when you turn it on. If it still shows the "protect" message with no speakers connected, the unit needs to be serviced; if not, re-connect the speakers one at a time until you find out which one is causing the problem.

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