Kenwood equips its receivers with a protection mode to safeguard them. Maybe your not getting a good connection somewhere giving you a full 12v. My kenwood car stereo kdc-hd458u is stuck in protect mode, not flashing. Technician. Update (02/17/2018) @flamini try this: Unplug the receiver's power cord from the wall and leave unplugged for at least one hour. 2) Remove the front panel. "Protect" is an indicator that there are either shorted speaker outputs inside the unit, a shorted speaker wire, or a blown speaker connected to the unit. 3) Find the reset button and place something into it for 5 seconds. The Kenwood KAC 8452 is a four channel amp. Amp/Preamp Asylum. I've had a Kenwood KR-V7040 for years, and somewhat recently got surround sound. 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. One of the back speakers did some popping, and then the radio went into a flashing "protect" mode. i think it is in protect mode. When playing the records (sound is good) the amp keeps going into protect mode and cutting off the sound (blinking Light on front panel confirmed in handbook), I have read into this issue on a number of forums over the past few days and cant seem to find a solution. This appears to happen when, a. I must have a stray wire or short somewhere. The MB amp may go into protect mode at a higher voltage than your other two amps, therefore the protect mode in the boat but not on the bench at home. Enjoy! Since this is a high output unit, check to make sure not of the speaker leads are grounded out. 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. Just my .02. If the protection mode warning doesn't go away on its own, press the reset button. - Answered by a verified Car Electronics Technician . “This issue comes up very often regarding these systems. KDC-MP2035 car receiver pdf manual download. Looking for a new Amp or Preamp? I hooked up a new KMR-D375BT stereo on my motorcycle without. Joined Sep … This is the best quick fix to repair any Kenwood headunit that is stuck into protect mode: 1) Switch on the CD Player. ! … Hey guys, I have been having some on going issues with my Kenwood KDC-248U head unit. If your amp is going into protect mode, the issue is not the input, but the speakers that are connected to the output, try disconnecting your subwoofer from the amplifier and see what that does, if that doesn't work, try on each channel disconnecting the speakers, removing the RCA cables just removes the input, but the speakers are still putting a load on the amplifier. Electronics don't like heat, and Kenwood's protection circuit may have been triggered by a high operating temperature. kenwood series 21 power amp, gone into protect mode but was working perfectly before this, may need a quick fix or reset, will post to uk only. CD-RECEIVER. Amplifier Protection Mode Troubleshooting . 4) Its should release itself from the protect mode and reset. so, in other words, good venting.-the music isnt that loud, … G.DawG: Posted on Friday, July 18, 2003 - 16:37 GMT . I have a Kenwood car stereo. the car speakers are stock. trends:-my car is not hot, neither is my amp, nor subs. We use cookies to give you the best possible experience on our website. I had to take the faceplate off and hit the reset button for it to work again. you need to look up your model to see where that button it. All of a sudden, my sub stopped working. Protect mode means there is a short somewhere. (now i'm really pissed at him) i've been trying to research how to fix, and i read something about a security code, amp shortage, wiring, etc. Keyword Search The Product Name of your Search : © JVCKENWOOD Corporation Wiring, Electrical and Installation Help A. ankurjana Junior Member. I have a Kenwood KR-V5090 Amplifier with built in radio. Your stereo receiver is going into protection mode because the receiver has an internal short, a speaker is bad or the speaker wiring has a problem, such as incorrect wire gauge or bad connections. I think my stereo system went into protect mode due to my friend, he cranked the volume up too high. Today, for some odd reason while jamming out to Metallica, my Kenwood Excelon KDC-X397 decided to go into PROTECT MODE. I have a kenwood kac 8152d amplifier. Also for: Kdc-mp205, Kdc-mp235cr, Kdc-mp235. THIS ITEM IS BEING SOLD … 1,678 satisfied customers. If you're after tubes, post over here. its going to be small, and your going to need something tiny to press it, and usually they are on the face of the radio itself. Amp stuck in protect mode Thread starter ankurjana; Start date Aug 19, 2014; Tags protect mode rockford fosgate; Forums. Kenwood KR-V5090 - Stuck in 'Protect Mode'? I looked at the amp and the long blue LED light (power) is on. Here is a video on how to take off the PROTECT sing off. It has gotten progressively worse and now it seems to do it every few times I get into the truck. I was able to make it go in to protect mode again after I changed the Multi-Room amps to use the Surround Back. The volume is turned up louder the 25% (based on distance turned by volume knob as no … can anyone please help me with this? Kenwood a-97 Protect mode - NIggy0 - Amp/Preamp Asylum. Here's a brief troubleshooting method that will hopefully help you if your amplifiers ever go into protection. If that's the case, fixing the problem is simple. One minute it's working and the next minute it's not, usually with the green power LED on the amp turning to red or orange. There is another triangle led which lights up RED and stays ON. im not using a amp for the speakers, just my subwoofer has a amp car speakers are stock.. and the amp is find the amps not in protect mode the kenwood deck is.. the amp for my subs isnt even connected at this time 1. i dont think a speakers blown cause nothing happened to blow a speaker. Industrial Technologist. But now, just today, the amp went into protect mode, and continues to do so. Good luck. I am looking to replace it (if replacing it would fix the problem) unless anyone has a solution. Since then, whenever a sudden loud sound comes on, during a movie for example, it goes into protect mode which is very annoying. 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