Had the same issue. I contacted AI and they said it has to do with WIFI interference. Makes sense I guess but the lights are 5ft away from the wireless router. Then they suggested to reset the lights and run them local and when it gives you step to connect your wifi password to skip it. That's fine but then you lose the cloud access. This seems to be a issue with the child. I just downgraded so I sold second 52hd. My friend has it now and has no issues as a parent