It's a little confusing because you indicated that logging in to the router's configuration page through a browser at 192.168.1.1, it indicates it is being controlled by the controller. But the...

Try using the username and password under "Device Account" on the Settings>Site page. Is you system (controller, switch, etc) using the default subnet 192.168.0.XX?

@pcan As long as the EAP235 is powered and configured it should be sending out a wifi signal. The controller does not need to be available for the EAP235 to work. If the EAP235 stops transmitting a...

@Morgans Are the trusted wireless devices getting an IP address that starts with 169? This would mean the switch is not providing an IP address. You can try to set the EAPs switch port to the Lan...

Need some more information. Are the EAPs connected to an Omada compatible switch? If not, what are they connected to? Are all the devices on the same subnet? When you say you remove the ER605 and...

@Morgans If you connect the EAP to the router port the wireless clients will be on the default subnet. If you want them on a different subnet the EAP needs to be connected to a switch port.