Thanks GatorGuy & Web_Boots. After I posted this, it worked couple of times. And then back to the same problem again. I tried to reset the controller. Also tried Run (Bypass Sensor). Same thing. The first time I try it, it looks like the sprinkler come up a bit and water start flowing, but then immediately stops. I hear a click at the tankless water heater and it spills out a few drops of water from the open pipe. I tried single station, all stations, manual, Run, Run (Bypass Sensor)... I checke...
GatorGuy, thanks for your reply. I tried running one station manually and it did not work. Same thing. It tried to start and then immediately goes to displaying time. I hear a thump sound at my tankless water heater. Few drops of water is coming out of the tankless from the open pipe on the bottom. I did not try the reset. I will do it today. Thanks -SP
