So I have now upgraded to 5.2.3 had to do 5.2.2 first (not uncommon).

@NeilR_M Thanks for your message. The system is set to do auto firmware updates and when I ask it to check I am told 5.1.11 is up to date however I will try to manually up date to the firmware you...

This problem is driving me crazy. I have a EAP225 on an Omada controlled system. There are 12 other AP and they work fine but when people choose a WiFi SSID on this device they can log on fine but...