Issue with my welder, need input

[scherp69]

As the title says, I'm having issues with my welder and trying to figure out how to fix it without sending it to the repair shop. It's a Miller 180 mig that is 3 or 4 years old. Today, when I flipped the switch to turn it on, it sounded like normal. The fan came on and it powered up. When I pulled the trigger though, nothing. Not a click or anything. If I bent the hose on an angle right below the gun, it would work again. Sometimes it would work for a while, other times I had to keep the hose bent to keep the wire feeding. Any thoughts?