Report "Hi this is john barnes from adelade ive got a herritageseater spa about 5 years old last year i put in a circuit board thats located under the spa its been workin fine and the control panel comes up as er6 and beeps you have to turn the spa off at the mains for a couple minutes then resets it self after awhile the spa comes up wth er6 it seems to happens abuot 35 degrees so i hope this will give you a better idear on whats happening and thankyou"