Step. 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. Start by looking at the ends of the wires. Kenwood Car Radio Protect. It's especially problematic if you've already bridged the amp to give higher output through fewer speakers. Pages: 36. Demonstration mode setting. 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. 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. 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. 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. The manual for the KAC-M1824BT gives an even more useful checklist. How to select the item>. Kenwood Car Stereo System DPX-4020. Contact Kenwood customer service to have the unit repaired. Source(s): https://shorte.im/a8R0G. Is it something to do with the yellow and red plugs on the iso connector lead? Look for any places where it might be frayed or damaged or where the insulation has been sheared. If the protection mode warning doesn't go … Connect one speaker at a time. The manual for the Kenwood KDC-MP242U is a little more forthcoming. Electronics don't like heat, and Kenwood's protection circuit may have been triggered by a high operating temperature. SO STOP WRITING I COULD HAVE FIXED IT BECAUSE THERE WAS NO FIX TO IT MORONS. Use the [Control knob] to select a setting ("ON" or "OFF"). For how to use the [Control knob], refer to <3-3. 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. Turn it on and see if the \"protect\" message displays. That's what it's like for your receiver if your speakers don't have the right impedance or electrical resistance. I have a Kenwood car stereo. 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. Nothing - Answered by a verified Car Electronics Technician If it still doesn't work, it's time to take it to the dealer. If it doesn't, then turn it off, and re-connect one speaker. If that's the case, fixing the problem is simple. 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. 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. I recently got a kenwood stereo installed in my 05 toyota camry. Press the power button to turn on the stereo system. 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. Many car audio stores will do system troubleshooting, for a fee. Thermostat Off: To turn the thermostat off completely, press and hold the Off button. If it quickly shuts off, the receiver has an internal short, according to Kenwood. 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. Turn off the receiver and let it cool for a few hours; then try again. Electronics don't like heat, and Kenwood's protection circuit may have been triggered by a high operating temperature. If the unit is still under warranty, it's a no-brainer to take it to a dealer or authorized service center. If that doesn't work, disconnect the power lead from your receiver for 30 seconds and then reconnect 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. Enter the Function setting mode. Press and hold the [AUDIO] button. Armed with that information, you can start troubleshooting. The simplest problem to troubleshoot is overheating. 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. 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. 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. If the protection mode warning doesn't go away on its own, press the reset button. Kenwood DOUBLE DIN SIZED CD/CASSETTE RECEIVER INSTRUCTION MANUAL DPX-4020/MH4 DPX-4020/PH4. 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. Turn off the receiver and let it cool for a few hours; then try again. Kenwood head units show \"protect\" when there's a problem with the speaker outputs. 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. If that's the case, fixing the problem is simple. 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. One of the back speakers did some popping, and then the radio went into a flashing "protect" mode. 4 years ago. 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. and wont come out of protect mode. The display and heating output will be turned off. 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. how do i stop my kenwood kdc-W312SA car CD/MP3 player from resetting everytime i turn my car off. Unfortunately, Kenwood's documentation doesn't always do a good job of explaining this. You can turn on/off the demonstration mode. Step. Pull the Kenwood unit from the dash and disconnect all the speaker wires. Press and hold the DJ OFF button and TUNING + button at the same time for about three seconds. If your Kenwood is in protect mode, searching the internet for "Kenwood radio reset code" isn't going to cut it. This might mean a shorted speaker wire, a blown speaker, or an internal defect in the head unit. Turn it on and see if the "protect" message displays. Protecting Send Service Kenwood Problem Solved. It's not a setting you need to change; it's a warning that you have a potentially damaging problem with your installation. When the car is fully turned on i turn it on and reset it and it reads PROTECT. If there's any chance at all for the wire to make contact with metal, it could be the problem. How to reset protect mode onkdc 210v. If it does, the stereo has an internal defect and will need to be serviced. i … once the car is off or in auxiliary i reset it and the radio works! 0 0. 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. 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. Turn on the receiver. 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. 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