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    Pentair MasterTemp 400 displaying wrong temperature by 10 degrees.

    I have read through most post and hope someone can assist. We have the EASYTOUCH Panel with all Pentair equipment that was installed in 2016 and has been working since. We noticed the problem last week; when you set the spa to ex: 97F, the water heats to 90F but the display on the MasterTemp...