https://devzone.nordicsemi.com/f/nordic-q-a/26136/debugging-a-randomly-occur-hardfault-busfaultLately I&#39;ve been getting randomly occuring hardfault in my code during heavy BLE traffic and Sensor data collection times. From the hardfault_implementation.c loop I see the following information: Pc: 0x2000feb8 LR: 0xfffffffd PSR: Carry flag set,en-USTelligent Community 13Fri, 27 Oct 2017 00:39:16 GMThttps://devzone.nordicsemi.com/thread/102991?ContentTypeID=1Fri, 27 Oct 2017 00:39:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4849f0dd-6022-47b1-b9f9-30f893aa5c4aSusheel Nuguru<p>Hi Dave, Please open a case in MyPage and give me instructions on how to reproduce it (best would be to upload your project). I will try to take a look at it next week. We can then update the answer here, once we find the issue.</p><div style="clear:both;"></div>