The user facility contacted steris service for a quote on the replacement of a "noisy" solenoid valve.The steris field service technician arrived at the facility and reported that while performing a test cycle the supply wires at 1l2 and 1l3 caught on fire.The power to the unit was immediately turned off and disconnected, and the fire extinguished.The caviwave is located in a sterile processing lab classroom and is not utilized for patient care.The unit was installed in (b)(4) 2010 and is not under a steris service contract.The technician's evaluation determined the fire was caused by a loose terminal connection on 1l3.The caviwave maintenance manual table 4.1 states, "service required 4.16 verify all electrical connections and terminals are tight and secure." the maintenance manual instructs that this action is performed a minimum of two times per year.The technician will advise the customer of the required maintenance activities as stated in the maintenance manual.The technician replaced the solenoid valve, terminal block and jumper, performed a test cycle and confirmed the unit was operating to specification.
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