A steris service technician arrived onsite and was informed that the facility's biomed department inspected the unit prior to his arrival.The steris technician learned from the biomed department that an employee reported that the unit alarmed "sump over temperature switch tripped (critical)".The power to the unit was then shut down.The biomed department then restored power to the unit, and it alarmed "rinse reservoir temperature probe defective" and "power failure during cycle".Following the reported alarms, the unit caught fire within the rinse reservoir and the fire was extinguished.The amsco 7052 hp washer/disinfector operator manual states (188), "7.62 alarm# 12 sump over temperature switch tripped (critical), 1.Press silence buzzer on touch screen to stop alarm buzzer.2.Press ack on touch screen to acknowledge alarm.3.Press abort on touch screen to abort cycle.4.Wait for temperature to cool down prior to opening door and removing load.5.Contact steris." the steris service technician inspected the unit and confirmed that the fire originated in the rinse reservoir.The technician made the necessary repairs, tested the unit, confirmed it to be operating according to specification, and returned it to service.A 3-year complaint review indicates this to be an isolated event.No additional issues have been reported.
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