✅ Simple Outlet Tester I Use (Amazon paid link): https://amzn.to/3VcFi1U <br /><br />Disclosure: Some links above are affiliate links which means I may earn a small commission if you click and buy, at no extra cost to you.<br /><br />Ninja Support: https://support.ninjakitchen.com<br /><br />Ninja Double Oven (DCT451) showing error codes Er0–Er6? Ninja doesn’t state what these mean, only to contact support but here are safe troubleshooting steps you can try first before making that call.
