Found steam room boiler not functioning inspected system found problem is with probe control board. called tech-support due to issues with unit prob control board controls control boards in unit. unit should not have been operating at all tested system and found it to be caused by control board feeding voltage through but when high amp is pulled meaning multiple devices calling for power it is not able to supply power as needed. inspected probes found probes to be clean, inspected probe isolators completely full of calcium not draining water, inspected bottom of tank can visually see calcium buildup debris at bottom of tank almost as high as heating elements. recommend full system maintenance due to age of system being over 10 years old. recommend quarterly maintenance to be performed to inspect and check proper operation of system this will correspond with manufactures recommendation with the age of the system it is highly recommended to catch a small problem before it turns big th