Mike wrote:
I havent used my TS440S/AT in some time and turned it on last night.
I just keept beeping and the display lit up segments that were not
numbers, so I quickly turned it off and made sure it was not keyed or
anything else was amiss externally.

Could be the famous "PLL unlock" failure mode.
See http://www.mods.dk/view.php?ModelId=521
or google "ts-440 pll".

73, Markus HB9BRJ / AE6MG