Microwave mystery

Help,

Me and my gf just replaced our microwave, but when we plug in the new one after a few seconds of it running the light in side starts to flicker and the power goes in and out:confused:

The old one just started to do that hints why we replaced it

Video:
https://m.facebook.com/story.php?story_fbid=10155836270057593&id=518122592

Better check the outlet its plugged into. You might need to replace it.