Sunny Island erratic LCD screen

palausystem
palausystem Solar Expert Posts: 124 ✭✭✭
Symbols start dancing on and off when the system is hot.  Wondering if the SI is overheated or the LCD screen is going bad, or both?
Off-grid 48v, 3 kw PV, Sunny Island 5048U, SunnyBoy, US Battery RE L16XC  6v, 800ah, Genset: Kohler 8.5 RES propane.