Unable to Reboot AP via VsZ or CLI

Question

I am trying to reboot one of My AP, as it is disconnecting frequently. i am getting an error as below, Unable to reboot the AP. Process exited with an error: 255 (Exit value: 255) (Exit value: 255).

Any idea why i am seeing this error

unknown · Answer

This AP is Installed on A Pole, working fine since 8 Months

unknown · Answer

Have you tried to disable PoE on the switch port to get it to reboot?