https://devzone.nordicsemi.com/f/nordic-q-a/62080/debugger-will-not-stay-connectedWe&#39;ve been having an issue in the firmware for our project. The firmware will build, program, and run just fine, but if we try to run from the debugger, the debugger will disconnect after about half a second and give the message &quot;Target connections beenen-USTelligent Community 13Mon, 08 Jun 2020 17:18:30 GMThttps://devzone.nordicsemi.com/thread/253880?ContentTypeID=1Mon, 08 Jun 2020 17:18:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8b135b27-d7d2-40bd-8b8d-02cb9593f425StartechLuke<p>and I call myself an electrical engineer.... That was it, pulled out an&nbsp;oscilloscope and found a problem with the&nbsp;power supply, fixed that and it works perfectly now, Thanks!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/253127?ContentTypeID=1Wed, 03 Jun 2020 19:06:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d655b621-98cd-4727-b4df-b1a303ea90ccKenneth[quote user=""]&quot;Target connections been lost&quot;[/quote] <p>This seems much like an electrical issue, maybe check that all connections are proper, and that the power supply and ground is properly powered and connected.</p><div style="clear:both;"></div>