My NAC52 just had a bit of a funny turn. I turned it on, but the on switch didn’t stay pushed in, so it turned off as soon as I let go the switch. I turned it on again, immediately, and the volume knob turned itself to full volume. I turned it back to 0, but it immediately turned to full on. It took no notice of the remote. I turned the 52 off, then on again, and the same thing happened. So I turned off, left it for a little longer, and turned it on - and all was well (thank goodness). Rather nervous using it for a while in case it suddenly decided to go full volume again, but all was well.
Has anyone else had this experience? Was it because of the rapid on/off/on sequence? Or is something wrong?
Is the remote control stuck, or a button stuck on? Try removing the batteries and retest
What remote are u using?
I had this problem where my flash remote would suddenly shoot the volume up.
I tried everything to fix it but it happened again
Now I use the cheap remote that came with the 52
But this only happened when I was using the remote
Very scary
If this was happening randomly during normal operation then it would be a sign that something’s amiss and needing attention. As it happened with an unintended rapid power cycle then it’s more likely to be the control circuitry getting into a strange state. Giving the 52 a chance to fully power down as you did seems to have fixed it.
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Check if you have any remotes stuck down the side of a sofa or chair or have one with the volume button stuck.
Otherwise, James’ post may well be on the right track re. the rapid power off/on cycle getting the logic control’s knickers in a twist.
I’m sure that it wasn’t the remote - it couldn’t see the 52 from where it was hidden on the couch 
I’m sure it wasn’t the remote. It was sitting on the settee, and not facing the 52 (or any walls it could reflect the signal off - it’s IR sender was facing the arm of the settee). I guess it was the rapid on/off/on that did it. Interestingly, and possibly relevantly, when the 52 first went on, I pressed the Aux button to select the NDX. Then the 52 powered down, and when I turned it back on the Aux was still selected - which has never happened before. I’m guessing that, although all the lights had gone off, there was still some residual power in there somewhere when I turned the mains on.
Curious, but nothing further happened during the evening - except some nice music.
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I had a similar scenario with my nac272, around 03:00 Monday morning I could hear the jazz grove intermittently playing, woke me up with a scare….
I could imagine that would be disturbing. I hope that doesn’t happen with mine. It would be even more worrying, though - I don’t have any jazz…
Something like that happened to me before, I’d been playing a YouTube clip and for some reason in the middle of the night it started playing again - a couple of guys discussing and playing acoustic guitars, in my have semi conscious state I crept downstairs shouting at them, what a plonker….although perhaps my n272 is possessed!
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