Sky, yes I have contacted them. And they have given me the procedure which I was already doing: power cycle. Their impeccable customer service did suggest that if I wanted, since my 990 is under warranty, to send it in. But as I've said, I'm not that worried.
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Living Room: Outlaw 990-7125. 3 Outlaw LCR's (FL-C-FR). 2 Outlaw Surrounds. 2 Outlaw BLS in the rear. Outlaw LFM-1 Plus Subwoofer. TCL 65 inch Roku TV. OPPO BDP-83.

Bedroom: Marantz Cinema 70S. Aperion's all the way around. Apple TV. HTPC built from scratch.