Question about Denon AVR-1609 Receiver

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My Denon AVR-1609 receiver turns off within seconds of turning it on. I have attempted to isolate the short by removing all the speakers from the unit but I am still getting a short warning (ring around power button flashes red)

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6 Suggested Answers

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Posted on Jan 02, 2017

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techman
  • 3130 Answers

SOURCE: Denon AVR-810 going into PROTECTION mode

It sounds like there is a problem with the differential circuit. The bias I am not sure about, as every unit is different. You should get the service manual to be sure or call Denon and see if they can give you an idea. Good Luck

Posted on Jun 05, 2007

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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

  • 1 Answer

SOURCE: Denon DRA 395 flashing red power light

Needs to be reset or fuse blown. Take to repair shop, cover has to be taken off and fuse replaced. You could fix it yourself but the warranty won't be honored. Do it yourself electronic shop should have a replacement fuse, may have to be soldered in place. Repair shop, should cost around $30.00 to $45.00 to fix, price of fuse $4.00 to $6.00. Your choice.

Posted on Mar 27, 2008

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

  • 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

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1 Answer

I have had my Denon AVR-485 for a few years without a problem, just recently when you turn it on it shuts down within a few seconds. Any suggestions?


Generally speaking, an amp attempts to protect 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 'nekkid'. 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.

Aug 21, 2011 | Denon AVR-485 Receiver

1 Answer

I was watching a movie on my denon avr-3808ci and all of a sudden it made a loud sound and it shut off. The power button was flashing red and wne I tried to turn it on, the power button would turn green...


probably one of your speakers has blown.. disconnect them all. turn the reciever on.
if this works turn it off connect one speaker and turn it on.. keep going until it goes red...
when you find the speaker discennect all the other speakers keep this one connected and confirm that it is this speaker giving issues.

if the amp doesn't come on with all speakers disconnected, remove the visual outs and start it with nothing connected. isolate the issue if this works. otherwise it might be your amp.

Oct 24, 2010 | Denon AVR 3808Ci Receiver

1 Answer

AVR-1508 7.1 Channels Receiver: My Denon AVR-1508 won't stay on. Once I try to tak...


Not familiar with this model but seems like the protection circuit is kicking in, this could be caused by an imbalance of Ohms between channels or a short. remove & check all speakers and cables for continuity or shorts, does the unit power on without speakers or in a different mode (surround off).
always add speakers in pairs (L&R) before testing to prevent possible protection circuit, test main speaker pair first then add surrounds (all according to the allowable Ohms range for the amp of course)

Nov 18, 2017 | Denon AVR-1508 Receiver

1 Answer

How do i restore my denon avvr-1609 back to factory default??


Not familiar with that model. I used the Denon pro DRA397 units on my jobs. But it my be the same for you.

The reset was as follows. If it works give me a thumbs up.

Power off and not in stand by, hold down the speakers a and b buttons at the same time. Then turn on the hard power button while holding the a and b down. The display will start to flash across the entire screen. Release the buttons and the unit should reset.

Aug 19, 2009 | Denon AVR-1609 Receiver

2 Answers

Denon AVR 1609 volume Zone 2


Logitech recommends that zone 2 is controlled using device mode on your Harmony remote. Controlling zone 1 and zone 2 simultaneously within activities may lead to the AV Receiver turning on and off unexpectedly as you switch between activities. For example, if you try to turn on zone 2 within an activity, it may turn on or off zone 1 and vice versa. Controlling zone 2 in device mode will prevent this from happening.

Aug 07, 2009 | Denon AVR588 Receiver

1 Answer

No dish network sound through denon 1609 receiver


check the setting for the HDMI connection at the Denon you may have to assign the HDMI audio setting also on the front of the Denon while in the DVR mode press the input mode button on the front of the Denon to select auto and if that doesn;t give you sound you will have to connect a cable from the DVR optical.coaxial or analog audio output to the Denon and setup for that type of audio connection

Jan 19, 2009 | Denon AVR588 Receiver

1 Answer

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The 1609 only has video on the HDMI. No audio comes through the HDMI cables. Hook up an optical cable between your ps3 and the receiver and you should be good to go.

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1 Answer

Denon AVR 1609 Receiver Zone 2 has no sound


you have to change the power amp assignment to zone 2, you must also have Analog audio connections to the Denon from your devices.
Try this put your remote in the zone 2 mode, select tuner in zone 2 and turn zone 2 volume up to -10

Dec 18, 2008 | Denon AVR588 Receiver

1 Answer

Denon AVR-3802 Problem


Check that your speaker cables are not touching each other at the amp end and also at the speakers as this will cause the amp to shut down.

hope this helps.
CABLE GUY.

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