Some community users are reporting intermittent connection to the 
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If you are experiencing similar issues, please bear with us while the Spark team is notified and replies with an official report.
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Devices unable to connect
Investigating - The ops team is responding.
Feb 2, 08:27 CST
from: http://status.spark.io/
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Resolved - There was a problem with the device service's database connections. Everything's back online now.
Feb 2, 08:39 CST
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Thanks for re-posting here Kenneth!
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You guys rock!
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I just received a new Spark Core, and am now experiencing intermittent connectivity. The device maintains a connection to the cloud for about 45 seconds or so, and then the red LED flashes and the core goes offline.
I have found this to be the case whether or not the device is near the router, and whether or not it is powered by a PC through USB (as opposed to a wall adapter).
Any thoughts? Could this somehow be related to the original issue in this thread?
@NickOveracker, are you running your own app on the Core or just out-of-the-box Tinker?
My own app. It works fine on an older core that I got from the first shipment ages ago.
But, I’ll try flashing Tinker and see if anything changes.
Edit: It’s interesting to note that I wasn’t able to claim the Core with my phone, even though I was able to connect it to the cloud. I had to claim it manually.
@peekay123: Tinker seems to work fine. Then, there is something about my program that causes it to disconnect, but I can’t imagine what.
I do make use of a delay function, but the maximum delay is about 12 microseconds… not enough to cause connectivity issues.
Some of the inputs are disconnected (high-impedance). Could attempting to read these inputs cause any trouble? This is the only difference between this Core and the old Core I was using.
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Snipped and reposted as a new topic.