@HectorDeco Thank you for responding, however, several other Deco users on the forum are also experiencing the same daily LED problem which appears to be due to a bug in the TP-Link Deco firmware...

Hi, I have 3 Deco S7's ethernet hard wired to my Virgin Hub 3 router which is in 'modem mode' and my Deco mesh wi-fi is working OK. My problem is that every morning my master Deco LED is steady red...