My AEM will not settle on anything. On start up, I get the 111,222 as it should, but sometimes it gets stuck at 555 or so. Then it will sooner or later start spitting values all over the place in a sequence like 14.7,---,16.4,---, 14.8,---,17.00,---,14.7,---,15.5,---, and then it will revert...