Details of complaint: the customer reported the org was displaying comm loss with all its receiver cards.Technical support (ts) had the customer reboot the org and reseat the network cable, but the issue remained.They tested a consignment org they had on hand in the same spot the reported org was located, and they were able to find the consignment org in the host table.No patient harm was reported.Investigation summary: the reported device was returned for evaluation.During the evaluation, the reported problem of the org getting comm loss on all its receiver cards could not be duplicated.The device was subjected to extensive testing over the period of a week, but nihon kohden repair center (nk rc) was unable to duplicate the issue.The device was then dispositioned to be returned to the customer.Nk was unable to confirm the reported issue or determine a root cause.However, it is likely the issue was due to a network environmental issue at the facility.Some org issues may be related to user related errors, incorrect settings, installation issues, file or software corruption, battery issues, hardware/component failure issues, the facility's it department issues, or network environmental issues (including power supply or power plug in outlet issues).A review of the device history did not reveal any trends that would contribute to component failure that is related to the design or manufacturing of the device.This was found to be the only issue at the facility in the past 3 (three) years for this device and issue.As such, this is an isolated issue, and a significant trend that would warrant any further corrective action has not been observed.Attempt # 1: 09/28/2022 emailed the customer via microsoft outlook for the requested information in the ni list: no reply was received.Attempt # 2: 10/04/2022 emailed the customer via microsoft outlook for the requested information in the ni list: no reply was received.Attempt # 3: 10/11/2022 emailed the customer via microsoft outlook for the requested information in the ni list: no reply was received.Additional model information: model #: ni.Serial #: ni.Device manufacturer data: ni.Unique identifier (udi) #: ni.Returned to nihon kohden: na.Zm transmitters: model #: ni.Serial #: ni.Device manufacturer data: ni.Unique identifier (udi) #: ni.Returned to nihon kohden: na.
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