Harmon Kardon AVR 247

[HWithers]

Hello,
When I turn on the receiver, the display does light up and after 30 secs, the unit powers down.

 

[soundguruman]

and what happens if the speakers are disconnected? does it do the same thing?

 

[HWithers]

and what happens if the speakers are disconnected? does it do the same thing?

I have disconnected EVERYTHING from the receiver and it does the same thing.