Question about Denon AVR688

1 Answer

Protector flashing red when off.

My brand new 688 less than 2 weeks old won't turn on. When I hit the stand by button the receiver turns on and then off. I have unplugged all devices and power sources. The unit with nothing attached to it still won't turn on.

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  • Anonymous Nov 01, 2008

    I have the exact some issue. Any resolotion?

  • g77382 Nov 01, 2008

    I have the exact same issue. Any suggestions?

  • Anonymous Jan 08, 2009

    I have the exact same problem !!!

    How do you Master Reset this unit ?

    Thank's


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1 Answer

If the speaker wires are shorted, it may be in protection mode. Try turning it on with no speakers attached.

If you've already done that and still have the same problem, it's broken and you should return it.

Posted on Aug 06, 2008

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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


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