DFU loading on startup

[Craig Hoffman]

Hello,

I’m able flash my code to the nRf52832 with no problem. At this point all is well. The problem occurs when I power down the device and then power up. On power up, for reasons I can’t locate, the device immediately goes into DFU mode instead of booting up the program. To make things even more confusing, after powering up and going into DFU mode, after 4 minutes and 40 seconds, the device starts to work normally. 

I have re-burned the bootloader and re-flashed the program but the problem persists.

Any insight would be greatly appreciated.

Best regards,

Craig H.

[Craig Hoffman]

As an update, the same thing occurs when the basic Blink program is flashed to the nRF52832.

Craig H.