I have a 3702I (AIR-CAP3702I-A-K9) that suddenly stopped talking via its Ethernet port. It was in production for about 3 years with no problems. It will boot if I attach it to a power injector, but the switch port connected to the injector never shows activity. (The switch port is good, it's used frequently on our test bench. Not disabled.)
While consoled into the AP it appears to start up normally, but at the very end of the boot process it starts generating this two or three times a minute. The LED stays green, flashing between normal green and brighter green (not going off and on). I couldn't find references explaining the LED condition or the error below for this model of AP. Anyone else had this problem?
%DPAA-3-ERROR: ! MINOR FM-MAC Error No Device; Read wrong data (0xffff): phyAddr 0x0, reg 0x13
-Traceback= 1294CC8z 2ECD86Cz 2ECD414z 2E8A484z 161F538z 1622420z 162091Cz 161B8A0z 131FBB8z 13286A0z 1425DB4z 140CB3Cz
Looks like a hardware issue!!
Best would be to contact Cisco TAC.
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Have you tried doing hard reset on the AP?
You mentioned it doesn't get power thru PoE right?
Also what's the config on your switchport.