Siemens has completed an investigation of the reported event.The root cause was determined to be a hardware error.The customer service engineer (cse) investigated the system and found the cable from the control modules to the ul1 board was defective.As a result, the control modules did not function properly.An extensive investigation could not be performed as the affected part was not returned for detailed investigation.After hardware replacement by the cse there were no further issues as described and the system works as intended.The spare parts consumption was checked and a possible general fault that would require corrective measures of the installed base could not be determined by the investigation.After detailed investigation, the incident is not classified as a reportable event as neither serious injury, death nor an unexpected, prolonged hospitalization of the patient or any other person occurred or could be expected.
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