Checked unit and pulled out the humidity control and found it stuck. Freed and now it opens and closes. O-rings ok on it. The motor turns ok and micro switch ok. Ran each component in test functions and all work. Performed a self calibration on unit. Ok. Unit completed a calibration. Door also kept popping open. Found door catch is worn. Replaced with new door catch and now door stays closed. Updated software to SCC.04.01.11. Run in steam- ok. Hot air ok. In service. Humidity control was stuck.