Issue with portapc 15amp spa pump runs ok pump /heat BUT after 1hr + The heat light flashes the trips the pump out ? You press reset all good again ? 1hr+ trips again heat set at low to high makes no difference manually on off heat /pump ok waterco tested found ok ( this is second new pump)"there's no problem !!!! very nasty customer relations told basicslly go away in no uncertain terms any body help please asap