The customer reported complaint that the autopulse platform (sn (b)(6)) makes a clicking sounds upon power up, the display screen showed just a single line through it, and the platform is unable to retract lifebands was confirmed during functional testing.The root cause for the reported complaint was a failed processor board, likely attributed to a failed component.During visual inspection, unrelated to the reported complaint, a sticky driveshaft was observed.The root cause was the sticky driveshaft clutch area, which is usually caused by sharp edges from all 12-hex edges of the armature plate, or due to burrs on the clutch rotor's surface likely attributed to normal wear and tear.The sticky clutch's impact was not severe enough to make the platform non-functional.The clutch plate was deburred to remedy the problem.The data archive could not be retrieved due to the failed processor board.The autopulse platform failed functional testing.The platform displayed a blank white screen and a continuous clicking noise was observed at power up; thus, confirming the reported complaint.Due to this, the platform would also be unable to retract the lifeband.The processor pca assembly was replaced to remedy the problem.Subsequently, the device was tested with an instrumented manikin and 95% patient large resuscitation test fixture (lrtf) for approximately 15 minutes each with no issue.After service, the autopulse platform passed the run-in test without any fault or error.The autopulse platform passed the final testing without any fault or error.Historical complaints were reviewed for service information related to the reported complaint, and there was no previous history of complaints for autopulse platform with sn (b)(6).
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