A steris field service technician arrived onsite, inspected the unit, and identified a malfunction of the contactor.The technician replaced the heater elements and contactor.As a proactive measure, the technician replaced the safety valve, tested the unit, and confirmed it to be operating according to specification."service required: (bimonthly inspection).Clean heating element and boiler chamber." if the user facility does not properly clean the heating element and the unit is not regularly maintained, it is possible the contactor may stick shut.The unit was installed on (b)(4) 2002 and is not under steris contract agreement for maintenance.
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