https://devzone.nordicsemi.com/f/nordic-q-a/21559/nrf24le1-xosc16m-not-startingHello, Issue : XOSC16M is not Starting and the loop stuck forever in below line while(!pwr_clk_mgmt_is_cclk_src_xosc16m()); where it checks CLKLFCTRL &#39;s 3rd bit to confirm is XOSC16M is active or not. PCB Design Detail Taken from Referenceen-USTelligent Community 13Tue, 14 Nov 2017 11:50:35 GMThttps://devzone.nordicsemi.com/thread/84654?ContentTypeID=1Tue, 14 Nov 2017 11:50:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5ef54b66-852a-4f60-9163-56e6aff310d3ovrebekk<p>Have you tested it on more than one board?</p> <p>Have you measured the voltage over the crystal to see if it is oscillating?</p> <p>What is the make of the crystal, and what load capacitors have you used?</p> <p>Best regards</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/84653?ContentTypeID=1Fri, 10 Nov 2017 14:39:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:acd03b11-93b0-476f-aa54-9044fd69d602Kai<p>I do have the exact same problem. I am using the example code &quot;gazell device&quot;. It works on the Development Kit but not on my own design.</p> <p><em>while (hal_clk_get_16m_source() != HAL_CLK_XOSC16M) {}</em></p> <p>Have you solved it by now? Can you give me some advice?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/84652?ContentTypeID=1Mon, 24 Apr 2017 13:21:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6086de45-2f48-4f6f-9bd8-f4de5bbe6aaaovrebekk<p>Hi<br /> Do you have the code used to start the crystal?<br /> Have you tried the code on a Nordic devkit to verify whether or not it is a hardware issue?</p><div style="clear:both;"></div>