Question about Denon AVR-2312CI 7.2-Channel Integrated Network AV Receiver

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Denon avr-2312ci turns on then turns off

Stand by light blinks 10 times turns on then after 10-15 sec avr shuts off. still does this after everything is unplugged. i have already checked the wires and microprossessor reset

Posted by Anonymous on

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

simplemitch
  • 752 Answers

SOURCE: Denon AVR-4800 5.1Channel Standby light blinking

It's going into protect. Unhook ALL the speakers and see if it still shuts itself off. If so, then it will have to be taken in for service.

Posted on Oct 27, 2007

tech48
  • 624 Answers

SOURCE: Denon AVR-1907 blinking red power button

It sounds like you have a bad speaker on the zone 2, or you have the speakers connected improperly.

When you engage the zone 2 a relay clicks and the speakers then become part of the amplifiers circuit.

If the problem was in the amplifier, it would go into protect mode without even having speakers connected to it.

If the speakers all check good, you most likely have the wrong type of speakers, meaning the impeadance is too low, or you have too many speakers connected to it.

On the back of the Denon, you will see right around the speaker output jacks, what ratings the speakers should be. If I remember correctly, it says 6 ohms or more when using only "A" or "B", and it says 12ohms or more for "A" + "B".

If you have two 8 ohm speakers on the same speaker jack you now have a 4 ohm load. That is below the ratings and can cause the amp to shut down (go into protect). Since your amp shuts down right away, I think you have a bad speaker or way too many speakers connected.

I have seen many times when people will connect 2 or 4 speakers to the one of the outputs that are designed for only 1 speakers.

If you are using too many speakers you will need a speaker distribution box. It has a resistor network built into it so the amp never sees a lower impeadance than what it is designed for.
You can connect 4, 6 or 8 speakers to one set of outputs designed for 2 speakers. You do loose a lot of power to the speakers, but it is better than blowing up your amplifier.

If I can be of any further help, let me know.

Posted on Jun 22, 2008

flysortie
  • 1 Answer

SOURCE: I have a Denon AVR-488..Can you help?

The fans are a poor design the cool the amps inside. I could cook tacos on top of mine. Years ago I developed an external fan the velcros on the rear of the unit. Just find a silencer pc fan from pc power and cooling. Someone will be selling it online. If's a very low noise fan and will not disrupt hi fi output. Attach a plug in transformer to the power wirers on the fan. Make sure it is the correct mV, and amp rating for the fan, and just plug in to the 3300's switching ac outlet on the rear of the Denon. The fan will stick on the denon's outer case on the rear of the unit where there are a few vent holes with velcro. I did that so no warantees were broken by opening up the unit or drilling into the case. I have in instructions if you would them in a document. Just email me at flysortie@msn.com and put Denon Fan Instructions in the subject line. Enjoy, BWA

Posted on Jul 17, 2008

  • 1 Answer

SOURCE: Denon AVR-1705 won't power up

when i turn it on it stays on for 3-4 seconds then shuts down

Posted on Oct 16, 2008

SOURCE: Denon avr-1804 its turns back after 5 sec

Disconnect all speaker wires on back and then turn on. If it happens again, it's most likely a power supply problem. If it doesn't happen again, it was probably crossed speaker wires.

Posted on Dec 28, 2009

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1 Answer

Denon avr2312ci shuts off and blinks red


Yes that is why. The receiver is protecting itself from an un-stable load impedance which causes current/voltage spikes through the final amplifier components and proportionally through the input where the protection relay is (click),. Do not continue using the amp until you have repaired or replaced the blown speakers. A rule of thumb is to maintain 8 ohms on each speaker wire plugged into the amp. Keep that in mind or eventually you will damage it.

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Sounds like you could have a bad speaker connection. Try disconnecting the speakers and see if it stays on. If so, connect one at at a time until it goes off to determine which one.

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I've had THE SAME PROBLEM ! Neither official servise, nor internet could help me. The solution was problem with POWER CABLE! When tested it by TESTER it was ok, with no sign of a problem. I've tested everithing byt nothing could help me :) After all test I've noticed that when I've touched the power cable the problem occurred. After changing the power cable everithin WAS GREAT.

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Red power light blinking on my denon avr 1907, tried reset procedure, no speakers hooked up now and it still goes from green light to blinking red light and shuts off...Any clues?


This is a protection mode. The receiver protection circuit detects an internal problem like missing power supply voltage or blown channel and shuts down the receiver. You need to bring the unit to a repair facility.

Sep 26, 2011 | Denon AVR-1907 Receiver

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What is the master reset code for the denon avr 1508?


Turn the unit off by main switch (not a standby button).
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I have a Denon AVR-488..Can you help?


Sounds like you may be clipping your speakers. Check all speaker connections and make sure they are not touching, at all. If you are not using speaker ends and are simply twisting the wire and connecting to the speakers, just one strand touching the other post will cause this. Good Luck

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Turns off after 4 secs or so....From Green to Red,


probably one of the surround channels is blown, thats why it goes into protection, meassure output transistors with a ohm/diode meter if thers no shortcut in the base to collector
pauliesbouth

Aug 25, 2008 | Denon AVR-1905 Receiver

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My Denon AVR-887 Keeps turning itself off


I have one and the same thing happened. try resetting your microprocessor and if that does not work, then check the wiring of the speakers. if that is working fine and no wires are touching then I unplugged everything and was still having the issue. took it in for service and it was found that the transmitor was shorted as the speakers that I was using was too high in ohms. it is possible that it could be your caps also if resetting the microprocessor does not help. You can find out how to reset the microprocessor from your manual. If you have the Denon avr 887 with the system turned off hold the power on button and the speaker A and B at the same time for a few seconds. This is compatible to rebooting your computer. Hope this works for you as this was and is my husbands favorite past times.

Dec 01, 2007 | Denon AVR-887

2 Answers

Denon AVR-4800 5.1Channel Standby light blinking


It's going into protect. Unhook ALL the speakers and see if it still shuts itself off. If so, then it will have to be taken in for service.

Oct 27, 2007 | Denon AVR-4800 Receiver

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