The customer reported that the autopulse platform (sn (b)(6)) was unable to retract the lifeband, making a "popping & growling" sound was confirmed during the functional testing.The root cause of the issue was a defective drive train motor, likely attributed to a failed component.Upon visual inspection, the top cover and the front enclosure were observed to be damaged, unrelated to the reported complaint, and appeared to have the characteristics of user mishandling, such as a drop.The top cover and the front enclosure need to be replaced to remedy the observed issue.A review of the archive data was performed, and it showed a fault code 16 (timeout moving to take-up position) occurred around the reported event date, unrelated to the reported complaint.The platform failed the initial functional testing due to fault code 16, unrelated to the reported complaint.The autopulse platform did not achieve the target depth for take-up within the specified time (~5 secs) due to the spun-out internal bearing as a result of the failing drive train motor.To remedy the issues, the failed drive train motor needs to be replaced.Waiting for customer approval for repair.Historical complaints were reviewed for service information related to the reported complaint, and there was no previous history of complaints reported for the autopulse platform with sn (b)(6).
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