What does NetCol5000-A maintain the electrode humidifier without removing the humidifier?(Multiple choice)
A . Check that the humidifying electrode is fully inserted into the humidifying barrel without exposure to the outer part.
B . Check if the humidifier solenoid valve controls normally
C . Confirm that there is no abnormality in water supply and drainage of the humidifier
D . Check the manual drain of the humidifying bucket
Answer: ABCD