CompactLogix L35E NS Light

Controller L35E NS light is constantly Red while its MS light blinks Red when Ethernet cable is removed from the port and again entered after some time it starts working normally but after couple of days same issue arises, what is probable reason for this?

http://forums.mrplc.com/index.php?/topic/20765-l35e-cpu-ethernet-fail/

The above post may help you out.

Regards,

Thanks Garry!