I have a Pentair Minimax NT. The blower was not working. A technician replaced the fan blower. It was now blowing, but the air was cold. It would not heat unless he bypassed the Air Pressure Switch. He said this is a temporary solution and he must find the electrical problem. The switch was bypassed, the heat came on for a minute and then everything went off. Now NOTHING goes on. Could the bypass have shorted out my entire heater. I am also losing water in the pool. Is this related to the heater?