[CA] Es97 touch screen issues

[djpowers]

I have two MFD, one at each helm. Both of them have begun to behave badly. The touch function deteriorates after about 20 minutes to the point that it no longer works. Soon after that, the screen begins to act as if it's being touched all over the screen to the point that it starts to pick menu choices and change autopilot settings, turning the radar off, any random menu selection is being activated while enroute.

I clean the screen from any salt water residues, restart the entire system and the same dance begins again. 20 to 30 minutes later, I am having to same issues. The units are reasonably protected from direct seawater exposure.

My solution is to activate touch lock so the autopilot is not interrupted, but the screen beeps endlessly error messages that the touch lock is activated.

Any suggestions would be greatly appreciated. The units are less than a year old.

Thank you in advance for your help