How do I determine if I need to replace my entire control system or just the modules? I've got a 2013 Hunter I Core. It isn't delivering enough voltage to open most of the 18 zones. Also, for a few zones, it tries to open the correct zone plus a second zone (that is on a different module). I reset the system last weekend to factory settings and it ran fine this week, but yesterday I noticed it wasn't opening half of the zones again. I tried resetting it again today, but that did not fix it. I th...
