I cannot control the Column switch and Backflush valves from the application, what should I do?
Concerned instruments: puriFlash 215, puriFlash 430, puriFlash 450, puriFlash 4100, puriFlash 4250
Concerned module: valves
Software version prior to 5.0f, or the valves have not been configured in the application.
Software version to install: version 5.0f, xx or later. Next, configure the valves by going to "Edit", "System configuration", then "Valves" tab.