@Philbert It looks like you were right (thank you) I've now got the situation where the controller is managing the EAP225 but not the EAP110 but that doesn't suprise me and I will leave that until...

@Philbert many thanks- I am going to try option 2 and will come back to you Thanks again

Until today I had only a single EAP110 but wanted to add a model that supported MU-MIMO. So I bought an EAP 225 which I connected up and the Omado controller software (on Windows 10) found the EAP225...