I've been running a new Apex Jr. without issue for about a month on a QT tub with just an LED light and a heater. I moved the Apex Jr to a reef tank, plugged it into a different wall outlet and now the temp probe is bouncing around between 78.1-78.5 and back down. I have a MH light, heater, and fan set up on the Apex Jr., all basic programs. I added the fan when I moved the Apex to the tank. It wont stay settled on a temp, just goes 78.1-78.3-78.4-78.5-78.4-78.3 and so on and so forth. I have unplugged the system form the wall outlet, let it sit for a few minutes and plugged back in. It comes on and settles just fine like its working well, within 10 or so minutes the temp starts bouncing between back and forth as described above. Any thoughts on what might be the problem?
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