The field service engineer performed preventative maintenance and replaced the data acquisition (da) pcba to motor controller (mc) pcba cable.Unit passed required performance verification tests per philips standards.The determination could not be made that the device failed to meet specifications.The device was not being used for treatment when the reported event occurred, and there is a relationship of the device to the reported problem.No parts returned to failure investigation; therefore, the root cause of the reported issue could not be determined.If parts are returned, the complaint will be reopened.
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