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I have a Dual XPR52 2channel amplifier that is stuck in protection mode due to overheating is there a way to reset it ive done everything possible to my knowledge im lost lol

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Posted on Jan 02, 2017

  • 11 Answers

SOURCE: stuck in protect mode

Speakers shorted out, blew a fuse. Replace the unit or (cross your fingers and) open up the box and find the blown fuse.

Posted on Dec 05, 2007

GazllFixIt
  • 103 Answers

SOURCE: getting my amplifier out of protect mode


There is a problem with one or both of the audio amplification circuits. The amp is going into "protect mode" to protect your speakers. I'm afraid there is no simple fix. this will need to go to the shop to be repaired...

...unless you have been tinkering with the speaker connections recently. In which case, make sure all connections are sound & there are no wires touching other wires. This causes a short circuit. Leave it disconnected from the mains overnight. There's a slim chance it might spring back to life tomorrow.

Good luck & let me know how you get on.

Posted on Jan 10, 2008

  • 4234 Answers

SOURCE: Denon AVC1530 Amplifier Protection mode

Protection means that the output stage of the amp has detected a problem. Usually this is because there is DC present on the speaker line indicating blown outputs. Figure on $25-$45 for parts plus the local labor rate for the repair.

Dan

Posted on Sep 09, 2008

  • 631 Answers

SOURCE: Protection mode

It's normal for some amps to go into protect for a few seconds when initially powered up. If it remains in protect mode, it may have shorted output transistors. To eliminate other possible causes, read through the following troubleshooting page:

Amp in Protect Mode - Troubleshooting

Let me know if you have any other questions.

Posted on Dec 11, 2008

  • 2 Answers

SOURCE: stuck in protect mode

i believe protect mode is because you have the wrong impedence speakers, they are too low (4 ohm? 6 ohm?) it chols work with 8 ohm speakers

Posted on Dec 11, 2008

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1 Answer

I have a Denon AVR 4806 that I have been told is stuck in protect mode. Pressing and holding the two direct buttons does not work to reset it. Anyy other possible solutions? Thanks


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be with your output drivers. Please check for short on the outputs fitted for both the channels. Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise which can be a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board. Maybe the protect circuit by itself is shutting off due to a faulty bias or there is a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the amplifier comes out of the protect mode then check for short on the speakers.

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1 Answer

Stuck in protection mode tried everything voltage good wires good ground good open/close button dosen,t help me at all love amp please help


everything you've tryed is useless(with respect) because amp has shorted output transistors one or more and amp is in protection mode to protect your amp from further damage.take it to repair shop or try to locate blown transistor yourself.good luck

Dec 10, 2010 | Kenwood KAC-X401M Car Audio Amplifier

1 Answer

Stuck in protect mode


alot of times you get one that the reset button is not resetting properly or if bought used then someone poped a part on the board a cap or fuse or diode its kind of hard to tell if not looking at unit

Jun 26, 2009 | Dual XPA2100 2/1 Channel 300 Watt...

1 Answer

Protector light is on


Hello justin83wint,

If the amp goes into "protect mode" immediately upon power up, it's most likely a short in the power/ground or speaker connections. If it operates normally for awhile and then goes into protect, it's most likely overheating.

In the first case, I'd suspect something in the wiring. Go here to troubleshoot the possible causes.

An amp will most often go into protection from overheating due to being operated at too low of an impedance load. Check the speaker specifications and wiring and make sure that the final impedance load matches the amps rating.

Hope this helps.

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2 Answers

My sharp Stereo is stuck in '' protect'' mode


Protect mode is not something that a reset will fix. Basically it indicates that there is a problem with the final output stage of the amplifier. Normally this indicates that the output transistors are defective. In most boomboxes, the amplifier is a single IC. If you can post the model number, I can provide you with the required part and cost.

Thanks,
Dan

Mar 25, 2009 | Sharp Audio Players & Recorders

1 Answer

Thumping speakers - no power light is on - wired correctly


the amp is going into protect mode due to something wrong in the amp or some thing in the wiring to it ooh yea if you are getting 18v power to the amp that is way to high it should not be higher then 15v if the amp is in protect mode it will not play at all.

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1 Answer

Audiobahn DUB Mag Audio 2502 Amplifier


If the protection light is on, the amplifier likely has shorted output transistors. To eliminate other possible causes, read through the following page.

Amp in Protect Mode - Troubleshooting

Let me know if you have any other questions.

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2 Answers

LED Light is on, but no sound from sub at all.. Have double backed on all wires but still nothing! HELP!!


If you've overheated it a number of times, it's possible that you've damaged the amp and it's trying to protect itself even though it's too late. Try disconnecting the sub from the amp. If there's no change, then there's a problem within the amp. It could be a thermal switch or possibly a stressed amplifier module.

Hope this helps. Good Luck!!

Mar 21, 2008 | Car Audio & Video

1 Answer

Stuck in protect mode


Speakers shorted out, blew a fuse. Replace the unit or (cross your fingers and) open up the box and find the blown fuse.

Nov 23, 2007 | Sony STR-DE425 Receiver

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