Question about Denon AVR-2500 Receiver

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How can i reset my Denon Avr 2500 Reciever it on protection mode

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Posted on Jan 02, 2017

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Posted on Jun 25, 2008

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SOURCE: Denon AVR-1508 Receiver problems - cuts off and goes into protect mode

Usually when the unit runs for a while before shutting down there are two possibilities:

1) There is a small amount of DC current present that effectively heats up the speaker coils enough to cause a temporary short circuit that kicks in the protect circuit.
2) The output transistors or bias transistors are sensitive to heat and breaking down again causing the protect circuit to kick in.

A few experiments to try:

1) Does the time to shutdown change depending upon the volume level?
2) Is there any background noise coming from the speakers? Listen to a blank tape for example. Is there a hum or any other noise that you would not normally expect?
3) If you have a DC voltmeter, check for any voltage between the speaker lines.

Update this and we'll try to narrow this down.

Dan

Posted on Aug 19, 2008

SOURCE: DENON AVR-1404 switch on problem

Maybe the audio amplifier IC´s are damaged that´s why go on the protection mode

Posted on Aug 22, 2008

  • 133 Answers

SOURCE: ''Protect'' mode on Denon AVR 800

Protect mode appears when there is a problem with the amp it goes into this mode to avoid any further damage to the system. to begin with disconnect all the speakers and see if it continues or else it could be that moisture in the circuits have caused it to go in protect mode or else ther is some shorting in the circuitry. It wud be wise to have it serviced by an authorised personnel

Posted on Jul 23, 2009

mlapres
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SOURCE: How do I reset my Denon avr-589?

Press the power button, and speaker a and speaker b simultaneously and hold until the display begins to flash then release speaker A and speaker B buttons. That resets the microprocessor.

Posted on Jan 02, 2010

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1 Answer

Denon AVR-1513


disconnect speakers then try again if still shutting down you will have bad outputs.

Aug 26, 2014 | Denon Audio Players & Recorders

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Why does my new AVR X1000 keep going in protect mode


It only goes into protect mode usually when there are to manny speakers hooked up more then its can handle

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AVR X1000 going in protect mode?


If you used it for only 3-4 hours before the problem occurred then you should have a replacement warranty on the product.
I think you have already done the factory reset procedure shown on page 175 of the user manual.
Is it possible to take it to the place you purchased it from. Alternatively check the Denon website and find out who the closest agent is in your locality. Send it back with proof of purchase using a courier service that you can track for receipt. Hope it turns out well.
http://assets.denon.com/DocumentMaster/us/Owners%20Manual%20-%20English_AVR-X1000.pdf


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1 Answer

The protection mode keeps coming on every time i turn it on I have a denon AVR 2500. can anyone help?


Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Apr 01, 2011 | Denon AVR-2500 Receiver

1 Answer

My denon avr1200 receiver once it is turned on goes into Protection mode. How do you reset or make work?


The reciever will go into protection mode when there is a short in the speaker wires or the amplifier was overloaded. What I would do first is verify that none of the speaker wire connections are loose at the back of the reciever or at each speaker. And verify that none of the wires are making contact with each other. Then label each speaker wire as you remove them from the reciever so you can re-install them correctly. After you have disconnected the speaker wires try unplugging the reciever for 10 to 15 minutes. Most recievers have a self-resetting overload protection switch and this should reset it back to normal. Now try plugging the reciever back in and turn it on without the speaker wires connected. It should be out of protection mode now. If it is still in protection mode verify that there is not a reset switch somewhere on the back of the reciever. If it is not in protection mode now then proceed to connect one speaker set at a time and turn on the reciever to see if it goes into protection mode. If it goes into that mode after connecting a speaker then that speaker is the cause of the problem. If it does not go into the mode after all speakers are connected then try turning the volume up. If it goes into protection mode then there could be an internal short on the amplifier or a incorrect OHM rated speakers connected to reciever. Verify that the speakers are rated the correct OHMS.

Feb 22, 2010 | Denon AVR-1200 Receiver

1 Answer

I have a denon avr amp it powers up then goes in


disconnect all connections cycle power if the power stays on reconnect equipment one at a time cycling power after each peice reconnected. If the power goes back to stand by with nothing connected the reciever needs repair

Jul 18, 2009 | Denon AVR 2808Ci Receiver

1 Answer

Denon AVR-1100 receiver "PROTECT" mode


replace all the electrolytic capacitors in the power supply. i had the exact same problem with mine and once i replaced the capacitors it powered up and stayed on and worked perfect.
these capacitors tend to fail as they're of poor quality.
this fault is very common on denon receivers, especially the later models.

hope this helps?

Dec 25, 2008 | Denon AVR-1100 Receiver

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DENON AVR-1404 switch on problem


Maybe the audio amplifier IC´s are damaged that´s why go on the protection mode

Jul 21, 2008 | Yamaha RX-V461 AV Receiver

1 Answer

My denon reciever display wont't work


I read something the other day in the user manual about re-setting the microprocessors if the display doesn't display properly. Turn the amp off.  Hold down the input mode & analog buttons while turning power on. The whole display should flash on & off at 1 sec intervals, then release the two buttons. This resets the microprocessors & supposedly fixes display problems.

Jun 23, 2008 | Denon AVR-2805 Receiver

1 Answer

Protector flashing


first check speaker connections for a short.Something usually is touching either at the reciever or amp.The receiver goes in protect mode when there is a short.If that does not work the receiver may be trying to push more watts than capable

Jan 01, 2008 | Denon AVR-887

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