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The reported complaint of the autopulse platform displayed ua2 (compression tracking error) message was confirmed during the review of the archive but not during functional testing.The reported complaint of ua17 was confirmed during the review of the archive and during functional test.Following service, including replacement of the drive train motor and deburring the clutch plate, the platform passed all testing criteria.Visual inspection was performed and no physical damages were observed.Functional testing was performed and the ua2 error message could not be reproduced.However, the ua17 error message was able to be replicated, thus confirming the reported complaint.The fault was found to be due to the defective drive train motor.Further testing shows that the encoder drive shaft does not rotate smoothly, exhibits binding and resistance; unrelated to the reported complaint.The clutch plate required deburring.A review of the autopulse's archive was performed and it shows ua2 and ua17 error messages occurred on (b)(6) 2018, rather than on the reported event date given by the customer of (b)(6) 2018, thus confirming the reported complaint.Per the battery hangtag - advisory codes description and action, user advisory 2 is an indication that the autopulse® has detected a change in lifeband tension.This advisory can happen when the patient or lifeband is out of position, or if the lifeband is opened during active operation.Historical complaints were reviewed for service information related to the reported complaint and there was no similar complaint reported for autopulse serial number (b)(4).
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