Performed 2 system geo thermal heating maintenance Checked ground loop water levels Checked air filters Replaced first floor humidifier water panel Found that humidifier water solenoid is stuck open, need to replace solenoid Checked blowers Checked drain lines Checked fault codes Run tested systems Checked Arzel zone function and explained operation Set dehumidifier to 55% No water leaks found on either system Ground loop connections are good Other than the humidifier solenoid, no concerns found on today's visit