For a single AP or multiple APs in a Zone, you can change the firewall management to the WNM Management.
To change a firewall-managed AP to a WNM-managed AP
Navigate to Devices > Access Points > Settings page and select the Access Point Objects tab.
Select the AP(s) and click on Reboot with Factory Default option.
Connect boot with default status AP to firewall’s non-wireless type zone or other network device, make sure AP has internet access.