A steris technician arrived onsite following the reported event to inspect the 20" century steam sterilizer.While onsite, the technician found that water in the sterilizer chamber did not properly drain causing residual water to remain in the chamber.When the unit was turned on, the water that was collected in the bottom of the chamber was heated, causing steam to escape through the door seal creating the reported event.The technician confirmed the root cause of this event was attributed to warn valves within the unit's draining system.The valves did not open properly to allow the water to drain, which allowed steam to build up and leak.The technician further inspected the unit's door seal and found it required replacement as steam was able to escape past the seal and into the room where the 20" century steam sterilizer is located.The technician made the appropriate repairs including replacing the door seal, ran a test cycle, and found the unit to be operating according to specification.This unit was installed in december of 2006 and is under steris service agreement.No additional issues have been reported.
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