The customer reported a complaint that the autopulse platform (sn (b)(6) displayed user advisory (ua) 07 (discrepancy between load 1 and load 2 too large) error message was confirmed during the functional testing and archive data review.The root cause of the (ua) 07 error was due to the failed load cell module.As reported, the autopulse platform was dropped by the customer.Therefore, the failed load cell was attributed to user mishandling.During visual inspection, there was no physical damage observed on the autopulse platform.The archive data indicated several (ua) 07 errors around the reported event date, thus, confirming the customer's reported complaint.Also, the archive data showed the (ua) 17 (motor on for too long during active operation) errors, unrelated to the reported complaint.The error was cleared by the customer and was not duplicated during the platform testing.User advisory is normally a clearable error message and is designed into the autopulse platform to alert the operator that autopulse has detected one of several conditions.Per the battery hangtag - advisory codes description and action, user advisory 17 is an indication that the lifeband is twisted, or battery voltage is low.The recommended actions to take for this type of user advisory are: open lifeband, start manual cpr, check battery and lifeband, pull up completely on the lifeband, ensure that the patient and the band are properly aligned, and press restart.The autopulse platform failed the initial functional testing due to the (ua) 07 error message displayed upon powering on, thus confirming the customer complaint.The load sensing system of the device has detected a weight/load imbalance between the two load cells.The load cell characterization test results confirmed that load cell module 2 was exceeding normal parameters.The load cell module needs to be replaced to address the reported complaint.Waiting on the customer's approval for service repair.Historical complaints were reviewed for service information related to the reported complaint and there was one similar complaint reported for the autopulse platform with sn (b)(6).Ccr (b)(6) , reported on (b)(6) 2018.The load cell was replaced to address the (ua) 07 error.
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Per the reporter, the autopulse platform (sn (b)(6) was dropped.During the platform power-on, the device displayed the user advisory (ua) 07 (discrepancy between load 1 and load 2 too large) error message.It is unknown when the problem occurred.However, patient use information was requested but no additional information was provided.
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