The reported complaint of "the autopulse platform (sn: (b)(4)) displayed user advisory (ua) 07 (discrepancy between load 1 and load 2 too large) error message" was confirmed during the functional testing and based on the archive data review.The root cause of the reported complaint was a defective load cell module.The broken top cover and defective load cell module were likely attributed to mishandling such as a drop.During visual inspection of the returned platform, the interior of the top cover was observed to be dirty and dusty.Also, the top cover was noted to be cracked and chipped at multiple locations.In addition, multiple breakages were observed on the screw fittings of the front cover as well as both the front and bottom enclosures.Moreover, the front and bottom enclosures were noted to be worn and scratched.The observed physical damages were unrelated to the reported complaint.The breakages and chipped pieces were appeared to be the characteristics of harsh impact as a result of user mishandling.Observed small scratches and worn-out parts were likely attributed to normal wear and tear.The autopulse platform is a reusable device and was manufactured in march 2007, and it is over 13 years old, has exceeded its expected service life of 5 years.All the damaged parts will be replaced to address the observed issues.The archive data revealed that the autopulse platform was not used to compress either a patient or an object on the reported event date.Review of the archive data showed multiple user advisory (ua) 07 (discrepancy between load 1 and load 2 too large) error messages to have occurred on the customer's reported event date; thus, confirming the reported complaint.Unable to perform functional testing due to the ua07 error message displayed upon powering up the platform.Thus, confirming the reported complaint.During power-on-self-test, the single point load cell, connected to amplifier board connector j3, was found to be defective.The defective load cell module will be replaced to remedy the fault.Awaiting the customer's approval for repair.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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During patient use, the autopulse platform (sn: (b)(4)) displayed user advisory (ua) 07 (discrepancy between load 1 and load 2 too large) error message.The user switched to manual cpr, and a second autopulse platform was used to finish the call.No further information was provided by the customer.Patient's status information was requested, but the customer did not provide a response.Therefore, patient's status is unknown.
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