The customer report of the lifeband unable to remove out of the autopulse platform (sn (b)(4)) was confirmed during functional testing of the returned platform.The root cause was due to binding and resistance on the clutch plate which prevented a smooth rotation.As part of routine service during testing, the platform was examined and found no physical damages.Unable to perform initial functional testing due to stuck lifeband.The lifeband was stuck inside the driveshaft channel due to the driveshaft being unable to rotate.A clutch plate deburring was performed to remedy the issue.The load characterization check was performed and verified that the load cells are within specification.Brake gap inspection was performed and confirmed within specification.Following the service, the autopulse was subjected to the run-in test using the 95% patient large resuscitation test fixture (lrtf) with good known test batteries until discharged without any fault or error.Historical complaints were reviewed for service information related to the reported complaint.The autopulse platform with serial number (b)(4) was previously serviced in september 2018.
|