The answer to 'humidifier short cycling' is that a humidifier short cycling, or rapidly turning on and off, is often caused by issues with the humidifier's water supply, thermostat settings, or the humidifier itself. This can lead to inconsistent humidity levels and potential damage to the humidifier over time.
Common causes include a clogged water line, incorrect humidistat or thermostat settings, a malfunctioning humidifier control board, or a problem with the humidifier's water sensor. Symptoms may include frequent on/off cycling, inconsistent humidity, and potential water leaks. Solutions can include cleaning the water line, adjusting settings, or replacing faulty humidifier components. In some cases, it may be necessary to call an HVAC professional to diagnose and repair the issue.