Question about Kenwood Car Audio & Video

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The protect light came on ater i instaled my KENWOOD CD RECEIVER, HOW DO I TURN IT OFF

THE KENWOOD KDC-BT645U SAYS PROTECT ON THE SCREEN AND DOESNT PLAY

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  • Kenwood Master
  • 2,226 Answers

Check your speakers and speaker wires for and shorts and/or grounds. If they all check good try resetting the radio. If there is a reset switch, it will probably be on the sub panel when you remove the face. If there is no reset switch, you can reset it by disconnecting the wire harness for a minute or so.

Posted on Nov 06, 2012

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Posted on Jan 02, 2017

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SOURCE: Kenwood kdc-mp"635"------ protect "help"

I have a kenwood kdc-mp635 and when i turn on my radio it reads protect...i recently bought it a month ago and it was all fine till a couple of days ago i was driving and it turned off and said "protect"! i reseted it and it worked for like literlly a minute then back into protect mode.. i check all my wires, amps, grouds, cdplayer wiring and cant seem to find the problem... before when i reseted it, it worked for a minute then went into protect....now it doesnt even turn on anymore all it does is reads "protect" i reseted it and still nothing....it doesnt turn on after i checked all my wiring and grouds...im stuck and in-need of help..i have no musicccc.....no radioooo...!!! i dont know what else to do?????

Posted on Mar 03, 2008

SOURCE: KENWOOD RADIO

take a pen and press the reset button ...it's a tiny little button next to the button that takes off the faceplate...

Posted on Mar 15, 2008

  • 1 Answer

SOURCE: kenwood cd receiver KDC-MP436U

Protect:- The speaker wire has a short circuit, or touches the chassis of the vehicle, then the Protect function is activated. Wire or insulate the cable properly and then press the reset button. If the "Protect" code does not disappear, consult your nearest service centre.

Posted on Apr 18, 2009

kenw392
  • 2226 Answers

SOURCE: Kenwood KDC 241 SA car radio 'Protect'.

you could have a shorted speaker wire, a blown speaker; or the output ic in the deck itself could be bad.

Posted on Mar 03, 2010

caroldon
  • 17130 Answers

SOURCE: I get a message Protect. All other controls are

Usually the protect is a safe mode to indicate that your set is unsafe. Starrt by checking the speakers, speaker wires for shorting. detach the speaker lines and power on the set for confrimation. check in power/auxially circuits in the set. it is possible that your mechanism drive / audio output drive Ic's could have shorted. Most of these cirrcuits have an error detection of higher current to cut off power and issue a protect warning. so discoonect the IC power to confirm. Hope this helps. Good day

Posted on Jul 13, 2010

Testimonial: "The problem was with speaker wiring.Thanks"

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1 Answer

My Kenwood KDC-U453 cd receiver displays "PROTECT" on connection and nothing works - any solutions appreciated!!!!


Pull the radio out, tape off all wires but yellow, red and black. Twist red/ yellow together and attach to positive 12 volt, attach black wire to negative 12 volts. Turn on radio and see if it comes out of protect mode. If it does, you will have to troubleshoot all of the speaker wires to find a short.

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JUST INSTALLED A KENWOOD KDC-BT645U STUCK IN STAND-BY MODE


locate the reset but on the face or behind the detachable face and hold it down for 10secs. its is the size of a pen tip.

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1 Answer

I am installing kenwood kdc-mp443u. it is flashing protect and i can't remove it. can you help please?


A speaker wire has a short-circuit, crossed, or touches the chassis of the vehicle it activates the protection mode function.
? Wire or insulate the speaker cable properly and press the reset button. If the "PROTECT" code does not disappear, consult your nearest service center.
I have attached a link for you which is for a free Kenwood KDC-MP443U instruction manual download. Nice receiver by the way!
Kenwood KDC MP443U Instruction Manual

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2 Answers

Protect code


make sure you have no bare or shorted speaker wires and check your speakers to make sure they are all good. if that all checks out, you probably have a bad output ic.

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you have to activ ate the aux port form the menu, on standby hold the menu button and then use the control knob on the right to change the aux to on1

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Security Code for Protect mode


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!

Apr 30, 2008 | Kenwood KDC-W3534A CD Player

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Kenwood cd receiver KDC-MP436U


Protect:- The speaker wire has a short circuit, or touches the chassis of the vehicle, then the Protect function is activated. Wire or insulate the cable properly and then press the reset button. If the "Protect" code does not disappear, consult your nearest service centre.

Mar 20, 2008 | Kenwood KDC-MP235 CD Player

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KENWOOD RADIO


take a pen and press the reset button ...it's a tiny little button next to the button that takes off the faceplate...

Jan 18, 2008 | Kenwood KDC-MP235 CD Player

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