The device history record review was completed with no anomalies noted, and the power supply meeting functional test specifications.The product was not returned, rather a field service technician was sent to the site.The technician checked the system and found the power cable that connects to the back of the system loose.The connection was tightened as was the fixing screw.All other power supply cable connections were checked found to be okay.The system was challenged several times and found to be in good working order, functioning properly.The lot history, trend analysis, risk analysis and/or directions for use review were considered acceptable, with the product performing within anticipated rates.No corrective action was deemed necessary.The loose power cable caused intermittent power input, resulting in system shutdown.The most probable root cause was determined to be lack of maintenance.There was no patient impact or injury.The investigation is complete.
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