Our water pump is on (pulling fresh water from the tank), we recently went to use the water at the faucet and nothing came out (even though the pump switch was on). We tried a little while later and i...
When we travel between campgrounds we will get air in the lines. When we start the pump at the next stop we get air then water. After that water, until we move on.
We have accidentally left the pump on while traveling and it was running continuously with all the facets closed. An air bubble from somewhere.