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Denon avr 312 turn on a few seconds then go off with red flashing light

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: denon avr-886 VERY FRUSTRATED

Read the manual. You've either got crossed speaker wires, it's overheating, or it's a more serious problem. The same just started happening to mine, so I'm taking it in.

Posted on Nov 13, 2007

  • 6 Answers

SOURCE: Denon AVR-1508

sounds like overload protection
turn the volume all the way down, then turn it on
if that doesn't do it you may have a short in one of the speaker lines - try disconnecting them one at a time

Posted on Jan 13, 2008

  • 1 Answer

SOURCE: denon avr-2106 problem!!!

You're drawing too much power from it. Sounds like maybe your sub is hooked up wrong, double check that.

Posted on Jul 06, 2008

Foxyjay
  • 13 Answers

SOURCE: Denon AVR-3805

If your amp looks like it's going to work as normal (ie the front display lights up as it should etc), but then the amp goes into protection mode when the anti-thud circuit times out, then I know what's likely to be wrong.

It's one of the power amplifier channels which has gone faulty.

I just found this out after having this problem with my AVR-1906.

I took the amp apart and de-soldered the suspected channel power transistors (centre channel in my case).....and hey-presto! it fired up as normal (obviously the centre channel would be out of service).

I have ordered the replacement transistors from Farnell (UK) at a miserly cost of around £2-£3 each.

Just waiting for them to arrive.

An alternative is, if you don't use all your channels, take the transistors from a known working but not needed channel and swap them over with the duff ones.

Hope thats of use!

Posted on Aug 16, 2008

  • 92 Answers

SOURCE: AVR-589 Denon Receiver Keeps Shutting Off

even if the wires are not touching they can still arch. make sure there is no bare wire showing ie. cannot see any unshielde speaker wires. id unplug then replug back in

Posted on May 18, 2009

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1 Answer

Switches off after five seconds.AVR-590


There are a few things that could be causing this to happen. The first thing you should do is check all the speaker wires connected to see if they might be touching each other somewhere. What you are describing sounds like there might be a short. Also, is the receiver well ventilated? What is happening is that it is protecting itself but shutting off.The 590 is going in to Protection Mode due to some fault it perceives. The quick flashing red power light (as opposed to a slower flashing light) would indicate either speaker wires touching another terminal, driving 4 ohm speakers to loud, or amp failure.

Jan 18, 2016 | Denon Audio Players & Recorders

1 Answer

Denon AVR-1312 turns on displays for a second switches off and the red light starts to flash


you most likely have a shortedchannel in the amp that would need to be repaired

Jul 31, 2014 | Denon AVR1312 51 Channels Receiver

2 Answers

Zone 2 on my Denon AVR 1804 only works with an analog input. Apparently it was designed that way. WHY?


Because in order to use a digital input, the unit would have to completely power on. Zone 2 is designed so that it can be used with the main power off.

Sep 27, 2013 | Denon AVR-1804 Receiver

2 Answers

Denon AVR-1908 won't power on


Are you getting a standby light at all? Is it flashing? Do you here a click when you plug the unit in? If the answer is no to all of these then you blew a fuse. If you do have soome sort of standby light, then your set is in protect mode. More than likely for a blown channel. If no lights, but you ar egetting a click, you could have a bad transformer. Use a DVM and see if it is open or not. Good luck

Aug 23, 2012 | Denon AVR-1908

2 Answers

Denon avr-1506 will turn on then flash red and turn off... how do i make it stop or fix it??


In most AV receivers if the standby light flashes after turning on and you don't hear the regular click of the relay engaging after 4 seconds, indicates an output short or amplifier failure. The protection circuit prevents any further damage by not turning on system.
You will need professional help to fix this problem because even to a electronic enthusiast the construction of a typical AVR is not service friendly.

Jul 01, 2011 | Denon AVR-1506 Receiver

1 Answer

The green light flashes when power is turned on and then flashes red and turns off. Can this be reset ?


what do i do when my DENON AVR-1506 turns on then flashes red and turns off?

Mar 08, 2011 | Denon AVR-1506 Receiver

1 Answer

Power button turns green, flashes and then turns red and flashes.


Hi,
While working it stops and flashes red approximately 2 seconds interval

Causes
Protection circuit is activated depending on the temperature of the surroundings

Remedy
Switch off the power supply and power on after the temperature have reduced.


While working it stops and flashes red approximately 0.5 seconds interval

Causes
1.Using speakers having less impedance than the specified.
2.If speaker core wire touch each other Protection circuit is activated


Even applying power red flashes 0.5 seconds interval

Cause
Amplifier circuit has failed

Remedy
Switch off the power and contact denon service centre


Thank You

Sep 07, 2010 | Denon AVR-789 Receiver

1 Answer

I have a Denon AVR 1509 and when I turn the power on it flashed green but after about 2 seconds it cuts out and and then flashed red every 0.5 seconds.


Usually its the power output stage . You can visibly check it if theres a burned resistor on the output amplifier. On the base of the Power output transistor if the voltage is the same as the collector pin it will indicate a shorted power amplifier circuit.



May 20, 2010 | Denon AVR-1508 Receiver

1 Answer

It dont turn on. theres red light flashing. is like in protection or something, it last a few seconds and then turn off.thanks for your cooperation


If you have done a reset by holding down speaker a and b buttons while plugging in. Hold buttons for a few seconds then release.If goes back to protect mode then you have a shorted output channel. Most repair shops will charge from 150-200 for repair, there is a lot of parts you have to replace on this model.

Apr 01, 2010 | Denon AVR-1905 Receiver

2 Answers

Denon avr-2106 problem!!!


You're drawing too much power from it. Sounds like maybe your sub is hooked up wrong, double check that.

Mar 06, 2008 | Denon AVR-2106 Receiver

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