Try unplugging it as was recommended.
Might solve all of your problems.
The dealer replaced mine 2x and when it failed the third time I removed it and replaced it with a small Home Theatre system.
We don't dry camp so a 120V system was not a problem for us.
I did some minor cabinet alterations and never looked back.
Bob Fileds is a nice guy with a tough job. Give him a hollar. He might be able to help you with your unit.
2009 Flagstaff 8528 RKSS
2007 Toyota Tundra DC 5.7L V8
Pullrite Superglide 14K
Air Lift 5000
Prodigy Brake Controller
"I've got a mind like a steele.. a......a steele......um.....uh...... what's that thing called again?