Re-reading my post I left out the following:

Variable: Volts10 VAR Word

I am assuming to get an ADC result ranging from 0 to 1023 () VDC to 20 VDC)

The SEROUT command displays the Volts10 result on a Seetron 4x20 LCD and that part works just fine when similarly used for all other routines Whoops...

Just found the problem while re-reading this post (DUH!!!) I've been using the variable Volts_10 as the ADC result and displaying the Variable Volts10 to the LCD. othink I've been shooting this problem for about a week!!

With a 10.6 VDC input, the ADC result in Volts_10 is 495.

Thanks guys - I am embarassed.

John P