https://devzone.nordicsemi.com/f/nordic-q-a/22290/nrf51822-pairing-problemI implemented my profile based on GLS example. my profile has five services and every services have several characteristics. Pairing with several smartphone work properly. But when i added another service (ANCS or DFU service), pairing problem was comingen-USTelligent Community 13Wed, 24 May 2017 13:12:07 GMThttps://devzone.nordicsemi.com/thread/87642?ContentTypeID=1Wed, 24 May 2017 13:12:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:143236f5-7396-4288-83ef-c6632bd0f60dFormerMember<p>When you run the chip in debug mode, could you step through the code from app_timer_start() and check what triggers the hardfault?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/87641?ContentTypeID=1Wed, 24 May 2017 08:44:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c08a11bc-8602-4204-8063-1c4eeb532244thomasjiang<p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/crash.JPG" alt="image description" /></p> <p>crash will happen.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/87639?ContentTypeID=1Wed, 24 May 2017 08:41:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:60d19183-ff19-4a80-b031-b772a3154eadthomasjiang<p>crash will happen. enclosed picture is call stack.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/87640?ContentTypeID=1Wed, 24 May 2017 06:37:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8f8e88b2-3a9a-4d72-9590-aa8411cd09c5FormerMember<p>Which error codes do the nRF51822/peer_manager return when it is not possible to bond to the third device?</p><div style="clear:both;"></div>