one of the AP R510 is not powering on. We tried to swap the two APs that we have and the other one does power up in both location. I've also tried to 'hard' reset the AP and tried connecting it to the switch using a patch ethernet and nothing seems to resolve the problem. The AP still doesn't powers up.
I also followed all the steps mentioned in the below thread but seems like the AP is completely dead:
Based on your troubleshooting you have done, since there are no lights on the R510 Access point, this unit must be RMA (return merchandise authorization) means replace it. Feel free to contact us via chat, comment you already have a post, copy the link of this post and paste it into the chat to start unit replacement.