The reported complaint of the autopulse platform (sn (b)(4)) displayed user advisory "(ua) 19" (max applied load exceeded) error message was not confirmed during the functional testing.No device malfunction was observed during the testing and the autopulse platform functions as intended.Note that the customer has tested the autopulse platform on a manikin on-site and the device functions properly without error.No physical damage was observed on the returned autopulse platform during visual inspection.However, observed the encoder drive shaft does not rotate smoothly, exhibits binding and resistance due to sticky clutch, unrelated to the reported complaint.Deburring on the clutch plate was performed to remedy this issue.The archive data could not be reviewed, because the customer deleted the archive.The returned autopulse platform passed the initial functional test without any fault or error, thus not confirming the reported complaint.After service, the autopulse was subjected to the run-in test using the 95% patient large resuscitation test fixture (lrtf) with good known test battery until discharged without any fault or error.Load cell characterization test passed.The autopulse has passed all the testing and meets all required specifications.
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