Blank screen in settings

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   While attempting to change settings on my (brand new) 540, the screen went completely blank.  Would not respond to any input, button pushes, etc.  Had to restart it to get anything back on the screen. Happened several times.  I was initially attempting to change the lighting schedule.  Thought maybe it had gone dark via the photocell, so I set it to manual lighting, tried again, same thing happened.  I eventually tried other settings, and was finally able to get back to and set the lighting schedule. 

What might have caused this?  A malfunction, or something not set correctly?

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frankbell Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 16 Jan 2015 Location: NC Status: Offline Points: 101	Post Options Post Reply Quote frankbell Report Post Thanks(0) Quote Reply Topic: Blank screen in settings Posted: 21 hours 22 minutes ago at 1:54pm
	While attempting to change settings on my (brand new) 540, the screen went completely blank. Would not respond to any input, button pushes, etc. Had to restart it to get anything back on the screen. Happened several times. I was initially attempting to change the lighting schedule. Thought maybe it had gone dark via the photocell, so I set it to manual lighting, tried again, same thing happened. I eventually tried other settings, and was finally able to get back to and set the lighting schedule. What might have caused this? A malfunction, or something not set correctly?