Over the past few weeks, my Pro Logic PL-P-4 model has started acting up. The display will flash the current reading (temp, salt level, etc) for about a 1/4 second then go completely blank. It's very difficult to read, so I called the manufacturer (pool is only 5 months old) and they recommended a service company in my area. The service guy came out today while I was at work and then I got a call from the service company saying the service guy indicated everything was working fine. They told me because of the temperature, the control panel is supposed to act that way and that it will until the temperature warms up. I called the manufacturer back and he said that's incorrect. I can't seem to get through to the service company what my issue is, so I requested that the service person that went out there give me a call. From my discussion with the manufacturer, the display is supposed to be on constantly, but will rotate between the various readings, not flash on and off. He said it sounds like a wire may be lose or something electrical. Just wanted to post this on here and make sure I'm understanding how this thing is supposed to work. Thank you!