Question about Denon AVR-886 Receiver

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HELP> When I turn the receiver on it turns on for 2-3 seconds and then shuts off. The power button also blinks red for several seconds. Please help....verrrrry frustrated! Thanks

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Re: denon avr-886 VERY FRUSTRATED

Remove all speaker wires, than start adding one speaker ata time. after every speaker you attach, turn the reciever on, (meaning you attach first speaker than turn it on, if OK turn it off than attach second speaker than turn on).
One of your speaker is cross-over and when you reach this particular speaker, the reciever will turn off with a loud thump. you have to change the pos and neg wires of that speaker.

Good luck

Posted on Dec 26, 2007

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Re: 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

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When I turn it on it stays on for just a few seconds and it turns off with the red on syanby blinking , what's going on there?

try turning off for 30 seconds and then back on while pushing speaker, A & B Buttons at once. If this doesn't work it could be the capacitors in the power supply.

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The receiver was on....working properly...and then it went off and the light on the poewr button started blinking red....I had assumed it was overheated so I ventilated the cabinet and let it sit...

There is a good chance you have a faulty capacitor. There are lots electronic devices out there right now that are failing to power up or just shutting down on there own these days. Turns out many manufacturers of electronic boards installed faulty caps in their products.

I hate to say it but that sounds like the problem to me.


1. Have it fixed by a professional
2. Open it up, Inspect the power board for bulged/leaking caps. If you find some you know you have found a problem. Replace the board.
3. Replace individual caps that are faulty. This takes a few soldering skills but can save you $$$$$$

Caps are very inexpensive and can be found at your local electronics store or online.

Hope this helps and thanks for using fixya


Dec 11, 2010 | Denon AVR-885 Receiver

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Red light blinks and it shuts off after starting

I had the exactsame problem. I took it to an authorized repair place in Houston and they quickly diagnosed it and replaced the power supply.

Aug 16, 2009 | Denon AVR-1708 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).
Press and hold "Speakers-A" and "Speakers-B" buttons and turn on main switch.
Display blinks.
Release the buttons after 3 seconds.
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Jul 20, 2009 | Denon AVR-1508 Receiver

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I got the same problem with my Denon AVR-2105/885

Your receiver is going into protection. The first thing to do is disconnect all speakers at the receiver. Unplug the power cord, then let it set for 30 seconds. Plug it back in and power it on. If it stays on, you have either a wire shorting out at the back of the receiver, something that has pierced the speaker wire en-route to the speaker, a wire touching the other at the speaker or a blown speaker.

Speaker wires should only be trimmed about 1/2" bare at the terminal and make sure you twist the braid so it does not fray. Then connect speakers one at a time, testing the receiver power each time until it either shorts and cuts out, or, you have solved the problem. Hope this helps. If you need more help, post a comment and I can help you some more

Jul 09, 2009 | Denon AVR-1604 Receiver

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When I turn on my receiver, it automatically turns off and the power button flashes red. Prior to shut down, the receiver display notes "Tuner Ext. In" What's the problem? It has worked p

Protection circuit turns off the unit because of critical conditions- wrong power supply voltages or one of the power amplifier channels is bad. First, visual inspect the power amp board near the heat sink for burned resistors, test outputs for a short. If there are no problem you may try to turn the unit on and you have several second before it shuts down to check power supply voltages and power amp output voltages and bias, then ... Long story you'd better take it to a repair shop or repair at

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I have a wireless headphones the only number i can see is model f0461b on the trasmitter. The transmitter and headphone are not comunicating the lights are red not blue.How do i recalibrate them so they...

In rare cases, the FreePulse Headphones may loose synchronization with the receiver. If this occurs the following steps will re-establish the connection by putting both the headphones and the receiver in discoverable mode (actively searching for another bluetooth device it can connect to).
Putting the headphones in discoverable mode:
Press and hold the power button (located next to the charging port on the right earpiece) on the headphones. The LED on the button will go through three states in this order:
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  • Off (continue to hold. the LED will be off for several seconds)
  • Alternately blinking red and blue. (The headphones are now in discoverable mode and you can release the button at this point. The headphones will remain in this state for 30 seconds).
Putting the receiver in discoverable mode:
Press and hold the power button (located on the side of the receiver opposite the headphone jack).The LED on the button will go through three states in this order:
  • Blinking Red
  • Off (continue to hold. the LED will be off for several seconds)
  • Alternately blinking red and blue. (The reciever is now in discoverable mode and you can release the button at this point. The reciever will remain in this state for 30 seconds).
Re-establishing the connection:
To re-establish the connection between the headphones and the reciever, put the headphones and the receiver in discoverable mode at the same time. It will take a few seconds for the two devices to establish the connection. Once the connection has been established the LEDs on both the headphones and receiver will glow solid blue.

Nov 19, 2008 | Audio & Video Receivers

1 Answer

When i power on the device, it comes on but goes off about 5 seconds later.


1st thing to check is for GOOD speaker connections at both ends
and not mixing A and B speaker wiring.

A Denon is usually a good brand. Might be worth servicing if need be.

Sep 20, 2008 | Denon AVR-1905 Receiver

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Denon 4308CI power

Tienes un problema con los amplificadores de audio de tu aparato.

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