MY CMTS started randomly rebooting and not booting up most likely after i changed the downstream FREQ .. I've checked the frequency on spectrum analyzer nothing near that frequency, next thing is when i turn it off for about 5 min and i power it ON there is a big chance he boots up, but being ON he just cycle and not booting up .. what could be causing this problem?? i was thinking it may be a HEATING problem, but checking its temperature looks like this at the moment...

CPU Core Local Temp: 34.00 C
CPU Core Remote Temp: 65.75 C
CPU Core Local Max: 54.00 C
CPU Core Local Min: 0.00 C
CPU Core Remote Max: 76.25 C
CPU Core Remote Min: 0.00 C
LM75 #0: temp 21.5 C, tos 45.5 C, hyst 40.5 C
LM75 #1: temp 33.5 C, tos 57.0 C, hyst 52.0 C
LM75 #2: temp 22.5 C, tos 47.5 C, hyst 42.5 C