Although the display is functioning on the screen, the control buttons will not operate settings. I had the power off when changing a pool light and apparently battery was dead and lost programs. Because buttons are not functioning I cannot reprogram the RS
Pool & Spa - Jandy - Aqualink Rs4 One Touch Control System Control System
Answers & Comments
Replace PPD chip and try
system. If system still does not
operate, replace Power Center
PCB.