@Glen_Remix both M122 reports show the last reset as being less then 2 minutes before you ran the M122 with reason "power up". So it looks as though there is a problem with your PSU, the wires from the PSU, or the mains supply.
Please send an email to warranty@duet3d.com and CC your reseller. Include a link to this forum thread and the details of your original purchase. You'll receive a reply with a form to fill out.