I have a couple of 450m Medusa AP's resetting on occasion.
03/08/2018 : 09:20:50 PDT : :AppCb is NULL
03/08/2018 : 09:20:50 PDT : :FatalError()
03/08/2018 : 09:20:50 PDT : :Forced reset;
03/08/2018 : 09:20:52 PDT :
******System Startup******
System Reset Exception -- Reset due to FatalError
Software Version : CANOPY 15.1.3 AP-DES
Software Boot Version : CANOPYBOOT 1.0
Board Type : P14
Board Temperature : 0 C / 32 F
Device Setting : 5.7GHz MU-MIMO OFDM - Access Point - 0a-00-3e-60-34-03 - 5745.0 MHz - 20.0 MHz - 1/16 - CC 8 - 5.0 ms - North America/United States
FPGA Version : 0b1e75
FPGA Features : DES, Sched, US/ETSI;
03/08/2018 : 09:22:12 PDT : :Time Set
03/08/2018 : 09:22:33 PDT : Acquired sync pulse from Power Port
Clear Event Log