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    Pentair MasterTemp 400 - no lights on the panel and not coming on

    My Pentair Mastertemp 400 is 7 yrs old. No display and the heater is not coming on when I use the Screen Logix software nor when I use the EasyTouch control panel. I have checked the input to the transformer (240v coming in and 24 volts are coming out), so that seems to be OK. I have checked the...
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