Opening the valve on the propane tank to fast can cause the safety shutoff to function. The way to correct is to close the tank valve and then reopen slowly. this happens all the time and is a safety feature on propane tanks many folks don't know is there.
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho