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Flashing Red Aux Button, Dead Screen

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Mar*Sat View Drop Down
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    Posted: 07 Aug 2023 at 7:40pm
I had my 440 quit mid-flight.  The radio had gotten really quiet for some reason and I looked over to see a blank screen and the AUX button blinking in red.  Troubleshooting in flight is stupid so I switched radios and on return, took a look at everything physical I could see.  The fans are running and it has power and its a cool day at 82.  No booting even in maint mode under a full 14 volts and no issues with the CB's.  It has worked flawlessly since I had initially brought it up three months ago after a settings error.  Now this.  I have called Tech Support this morning and they said to send it in for evaluation and repair.  Has anyone ran into this before and do you have any idea what has happened here?
Thanks.
Bob
Bob
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eallevato View Drop Down
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Joined: 04 Apr 2018
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Post Options Post Options   Thanks (0) Thanks(0)   Quote eallevato Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2023 at 10:22am
The Pilot’s User Guide lists 5 possible causes:
Terrain Pull up
Obstacle Warning
Pull up
Unit Overheating / Unit unreliable 
Low Volts (< 9 volts)

Put a voltmeter on the bus and check the voltage.

Gene
Gene
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