Water was on the floor. We think it was coming from the humidifier as it’s the only thing in there that could cause it. Pulled filter out the inside of the return duct at the bottom was wet. Pulled the top off of the distributing area of the humidifier and clean it with water so all the paths were clean. Change the humidifier pad. Put my phone inside the return to take a video as everything was running couldn’t get it to drip. If it drips again, I suggest and recommend that we replace the solenoid and the top piece that goes on top of the humidifier pad. It’s possible that the solenoid has minerals in it somehow from the water not causing flow to be proper.