The following message gets printed in the output.
Load "C:\\Keil\\ARM\\Device\\Nordic\\nrf51822\\Board\\pca10001\\blinky_example\\arm\\_build\\blinky_arm.AXF" Set JLink Project File to "C:\Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\blinky_example\arm\JLinkSettings.ini" * JLink Info: Device "NRF51822" selected (256 KB flash, 8 KB RAM).
JLink info: ------------ DLL: V4.56d, compiled Nov 12 2012 20:40:34 Firmware: J-Link OB-SAM3U128 V1 compiled Nov 5 2012 19:42:53 Hardware: V1.00 S/N : 480201738
* JLink Info: Found SWD-DP with ID 0x0BB11477 * JLink Info: FPUnit: 4 code (BP) slots and 0 literal slots * JLink Info: Found Cortex-M0 r0p0, Little endian. ROMTableAddr = 0xE00FF003
Target info: ------------ Device: nRF51822 VTarget = 3.300V State of Pins: TCK: 0, TDI: 0, TDO: 1, TMS: 1, TRES: 1, TRST: 1 Hardware-Breakpoints: 4 Software-Breakpoints: 8192 Watchpoints: 2 JTAG speed: 2000 kHz
Erase Done. Programming Failed! Load "C:\\Keil\\ARM\\Device\\Nordic\\nrf51822\\Board\\pca10001\\blinky_example\\arm\\_build\\blinky_arm.AXF" Set JLink Project File to "C:\Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\blinky_example\arm\JLinkSettings.ini" * JLink Info: Device "NRF51822" selected (256 KB flash, 8 KB RAM).
Erase Done. Programming Failed!