valve not working

Ok i was on my way home today and lowered the left front side down some, i went to pick it back up later and when i hit the switch all of my gauges move or flicker but the bag doesnt lift up. It will still drop so it is only the fill valve, all of the other valves are still working fine. It is a gc 450 if that helps. What could it be?

check the the nut on the top,see if its tight.

check the ground for the valve. also, check the switch itself.

you got the answer check it for grd or power and if they both are fine check the switch.

That's GC for you. I had to tear them apart and lube them up with some graphite and then they started working.

ok i went outside to check it and didnt find anything, the nut was tight on top so i hit the switch again and it worked fine like nothing was ever wrong. What does this mean? Is there anyway to make sure this doesnt happen again

take the valve apart and lube it with some spray lubricant. make sure all the wires are solidly grounded and connected.

sounds like maybe a wire is not connected good... Check them out