I researched and learned that means a possible short in the speaker and to reset the radio (by taking off the face and hitting the reset button), which I did. If that's the case, fixing the problem is simple. If it doesn't, then turn it off, and re-connect one speaker. One of the back speakers did some popping, and then the radio went into a flashing "protect" mode. Turn it on and see if the "protect" message displays. If you have a Kenwood car stereo fitted into the din slot in your vehicle and its stuck in protect mode no sound will play from the speakers. Unfortunately, Kenwood's documentation doesn't always do a good job of explaining this. 4 years ago. Now 3 days later when I got back to college I unattached it by clickng a button and having it pop off so that no one would steal it from my car. The word RESET will appear on the display panel. Once the condition that's causing the \"protect\" mode is fixed, the CD player should be back in normal mode the next time you turn it on.If it's staying in \"protect\", then you'll definitely have to remove the stereo and do some troubleshooting to fix it. If the unit is still under warranty, it's a no-brainer to take it to a dealer or authorized service center. Press and hold the DJ OFF button and TUNING + button at the same time for about three seconds. There may be a wiring problem or defective speaker in that location.If it displays \"protect\" with a single speaker connected, then disconnect that one and try a different one. It explains that your stereo's speaker wire may have a short and offers options to fix the problem. If the protection mode warning doesn't go away on its own, press the reset button. If you've done all the troubleshooting you know how to do and the problem still hasn't gone away, it's time to get professional help. Source(s): https://shorte.im/a8R0G. How to reset protect mode onkdc 210v. I had it for a week and then it stopped working and started flashing "PROTECT" I brought it back to best buy and they fixed it. The manual that comes with the KDC-BT340U, KMR-D372BT and several other models tells you to take your unit to a service center and leaves it at that. Press and hold the [AUDIO] button. Kenwood head units show \"protect\" when there's a problem with the speaker outputs. I recently got a kenwood stereo installed in my 05 toyota camry. The protection mechanism usually places the amplifier into protect mode when it detects a short, and during this time it prevents power to the amplifier circuitry, thereby preventing harm to the speakers and expensive amplifier components. Kenwood Car Stereo System DPX-4020. Turn on the receiver. Kenwood Car Radio Protect. Turn it on and see if the \"protect\" message displays. Kenwood DOUBLE DIN SIZED CD/CASSETTE RECEIVER INSTRUCTION MANUAL DPX-4020/MH4 DPX-4020/PH4. Contact Kenwood customer service to have the unit repaired. Turn off the receiver and let it cool for a few hours; then try again. Now this can either happen because of the software on the chip that is corrupted and needs factory resetting or the speaker wires are shorting out. I had it for a week and then it stopped working and started flashing "PROTECT" I brought it back to best buy and they fixed it. Electronics don't like heat, and Kenwood's protection circuit may have been triggered by a high operating temperature. i … how do i stop my kenwood kdc-W312SA car CD/MP3 player from resetting everytime i turn my car off. Armed with that information, you can start troubleshooting. Many car audio stores will do system troubleshooting, for a fee. The simplest problem to troubleshoot is overheating. Step. Most of the time, it'll be one of the problems with your installation that keeps your Kenwood in protection mode, but it can also be caused by a failure in the receiver itself. I recently got a kenwood stereo installed in my 05 toyota camry. It went into protect mode about a month ago, I unplugged the radio, plugged it back in and it worked for about three weeks before it did it again. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Look for any places where it might be frayed or damaged or where the insulation has been sheared. Thermostat Off: To turn the thermostat off completely, press and hold the Off button. 0 0. If it is out of warranty, try shopping around for quotes and compare the cost of the repair to the cost of a replacement unit. If the receiver shuts off after connecting a speaker, that speaker's wiring or the speaker itself has a problem. If your system has been working just fine until now, and you haven't made any recent changes to your car or your stereo, it's not likely to be a problem with the installation itself. You can fix it by insulating the damaged area with heat shrink and then routing the wire away from the hazard that damaged it in the first place. When the car is fully turned on i turn it on and reset it and it reads PROTECT. If you've just installed the receiver or just added new speakers, a short circuit or a speaker wire running to ground is the likeliest reason for your Kenwood's protect mode to be triggered. That's what it's like for your receiver if your speakers don't have the right impedance or electrical resistance. How to Turn Off Protect Mode on My Kenwood Stereo Receiver, JBS Power Centre: Kenwood KMR-D372BT CD-Receiver Instruction Manual, Kenwood: KDC-MP242U CD-Receiver Instruction Manual, CarID: Kenwood KAC-M1824 Digital Amplifier Instruction Manual, Audio Gurus: Speaker Impdedance Rating, Explained, Basic Car Audio Electronics: Series, Parallel and Series/Parallel Resistance. SO STOP WRITING I COULD HAVE FIXED IT BECAUSE THERE WAS NO FIX TO IT MORONS. This might mean a shorted speaker wire, a blown speaker, or an internal defect in the head unit. Kenwood car stereo won’t turn on - Answered by a verified Car Electronics Technician We use cookies to give you the best possible experience on our website. Now 3 days later when I got back to college I unattached it by clickng a button and having it pop off so that no one would steal it from my car. It's worth taking a look to see if any of the car's wiring might be shorting the speaker wires behind your receiver or amplifier. Press the power button to turn on the stereo system. How to select the item>. Hey guys, I have been having some on going issues with my Kenwood KDC-248U head unit. If that's the case, fixing the problem is simple. The manual for the Kenwood KDC-MP242U is a little more forthcoming. and wont come out of protect mode. The manual for the KAC-M1824BT gives an even more useful checklist. Aside from the potential speaker problems, it explains that the unit's protection can be triggered by overheating, by speakers of the wrong impedance, or by a malfunction in the receiver itself that sends DC power instead of an audio signal to your speakers. Kenwood. If it works with a single speaker connected, keep re-connecting the others until you identify the speaker that's causing the problem. It's especially problematic if you've already bridged the amp to give higher output through fewer speakers. I use to have an old kenwood and it would flash protect and shut itself off when a speaker would blow out and create a ... Lv 4. Your speakers usually offer 4 ohms resistance, but if you hook them up in parallel – running wire from the positive terminal of each speaker back to the same positive output on the amp and then doing that with the negative wires as well – you reduce the impedance of that circuit. Demonstration mode setting. once the car is off or in auxiliary i reset it and the radio works! Start by looking at the ends of the wires. Turn off the receiver and let it cool for a few hours; then try again. Protecting Send Service Kenwood Problem Solved. If that doesn't work, disconnect the power lead from your receiver for 30 seconds and then reconnect it. The display and heating output will be turned off. Is it something to do with the yellow and red plugs on the iso connector lead? Nothing - Answered by a verified Car Electronics Technician You can turn on/off the demonstration mode. For how to use the [Control knob], refer to <3-3. If the protection mode warning doesn't go … Electronics don't like heat, and Kenwood's protection circuit may have been triggered by a high operating temperature. If so, you need to use fewer speakers on that circuit or wire them differently to solve the problem. Your speakers act as a resister in the amplification circuit, and if they don't provide enough resistance, the amp can overheat and shut off. If your Kenwood is in protect mode, searching the internet for "Kenwood radio reset code" isn't going to cut it. Use the [Control knob] to select a setting ("ON" or "OFF"). Turn it on again and see if it displays \"protect\". but i hear no sound in my speakers but the radio is on.. turn the car back on after the radio is reset and working and back to PROTECT it goes.. any ideas? Use the [Control knob] to select "DEMO MODE". It's not a setting you need to change; it's a warning that you have a potentially damaging problem with your installation. If there's any chance at all for the wire to make contact with metal, it could be the problem. Pages: 36. Have you ever leaned up against what you thought was something solid, only to have it move and leave you flat on the floor? Enter the Function setting mode. If they're frayed and touching each other or any nearby metal parts, especially the terminals for another speaker, that's the problem. I have a Kenwood car stereo. If neither of those examinations gives you any results, follow each run of wire from start to finish. It takes a lot of time, effort and – usually – money to get your car stereo up and running at its best, so it's frustrating when your shiny new system gives you an error message instead of music. If it still doesn't work, it's time to take it to the dealer. If it does, the stereo has an internal defect and will need to be serviced. cancel the frost protect mode, press the On button. Pull the Kenwood unit from the dash and disconnect all the speaker wires. On the other hand, if you've been blasting your tunes at high volume all night while cruising with your friends, overheating is likely. Connect one speaker at a time. Step. If you want to do it yourself, here's what you need to do:Pull the Kenwood unit from the dash and disconnect all the speaker wires. The math to check this is a bit complicated if you're not familiar with Ohm's Law, but you can use an online calculator to see if you've taken the impedance lower than your receiver can handle. If it quickly shuts off, the receiver has an internal short, according to Kenwood. If all the speakers cause a \"protect\" mode, then you're probably back to a defective head unit, unless your friend managed to blow all your speakers at once.MINE WAS WET BECAUSE IT WAS ON MY BOAT AND I DID NOT CARE FOR IT PROPERLY SO THERE WAS NO FIX FOR IT. Plug the power cord back into the electrical wall outlet. And will need to be serviced defect and will need to change ; it 's a no-brainer to take to... N'T always do a good job of explaining this < 3-3 the back speakers did some popping, and reconnect. A speaker, that speaker 's wiring or the speaker that 's the,. 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