As reported during shift check, the autopulse platform ((b)(4)) was displaying error message user advisory (ua) 12 (lifeband not present) and user advisory (ua) 45 (not at "home" position after power-on/restart).The field service technician tried to clear the error by power cycling the platform several times and replacing the lifebands; however, the user advisory (ua) 12 error message persisted.According to the technician, the main shaft does not rotate smoothly.No patient involvement on this issue.
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The customer reported complaint for the platform displayed a user advisory (ua) 12 (lifeband not present) and user advisory (ua) 45 (not at "home" position after power-on/restart) error messages was confirmed during functional testing and archive data review.To resolve the issue, the belt clip switch assembly was adjusted to a parallel position.Visual inspection was performed and found damaged top cover, unrelated to the reported complaint.Following the replacement of top cover, the device was further tested and passed all testing criteria with no issues or faults observed.During functional testing, the lifeband clip detect switch inspection shows that the switch lever was not able to close and not parallel to the switch case resulting in (ua) 12 and (ua) 45 as expected, and confirming customer complaint of difficult to rotate the drive shaft.After readjustment of the switch lever and verification using a standard belt test clip aid, the platform was further tested and operated as intended without any further issue fault or error.The archive data was reviewed and contained (ua) 12 and (ua) 45 error messages on the reported event date.Historical complaints were reviewed for service information related to the reported complaint and there was no previous history of complaint reported for autopulse with serial number (b)(4).
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