CRussian

Hello all, I've replaced the filters, the oxygenator, and the heater. I know both pumps are working. I set the hot tub at 101 last night, when I came out this morning, it was stuck at 94 and there were 3 blinking lights at the bottom of the display. Anyone know what causes this? Is it an error? Thanks in advance. Cary

Hello All: I messed up. I didn't take a picture of the heater wiring before I disconnected. My intent was to immediately finish the job but I go called away. The next day, I couldn't remember which wire went to which connector. I have attached several pictures of the wiring I have now, but before putting power to the spa, I want to make sure I will not fry the board. I also attached the schematic drawing to aid in the visual. The main focus is in the bottom left hand corner, connections P20 and P21. The table which shows the heater color coding says P20 & P21 are black. I have a black and a white (green is connected to the board ground). I am also including a picture of the physical connections so you can see how I have done. I appreciate any assistance. okay, guess I will upload one post at a time. Cary