Goldline introduced AquaLogic in 2003. Hayward acquired Goldline in August of 2004. Hayward discontinued AquaLogic in 2008 and replaced it with Prologic.
ProLogic uses the GLX-PCB-PRO board.
The Chemistry Sensing Module is a separate system for PH and ORP monitoring and some people fell is a waste of money.
CMS comm error
ThE CSM (Chemistry Sensing Module) comm error appears when Sense & Dispense is enabled, but the Chemistry Sensing Module is not found.
If yes, verify that it's plugged in.
If no, disable Sensing System in the Configuration Menu.