The POE injector is for testing purposes only, I don't have any in production whatsoever.      Its not a cabling issue as a known good AP replacing the bad one on the same run will work.  And the issue on the bad unit is replicated in a test environment.   And now the final piece of proof:   The Cisco Meraki POE+ injector test failed of course.  As of this post, I just tested with a POE injector and the unit boots fine.  There  is NO network involved, just simple YES/NO boot and the POE+ fails.   Hopefully a Meraki engineer will see this thread at some point.  As long as they warranty them I don't care, but I now know I am not crazy.   I appreciated everyone's input.  I am marking this as solved.         ... View more