The autopulse platform (sn 21234) involved in the reported complaint will not be returned for evaluation because the customer cleared the user advisory (ua) 18 (max take-up revolution exceeded) error message by following the instructions provided by zoll technical support.The root cause of the (ua) 18 error was that no patient or mannequin was placed on the platform when the lifeband was retracted, likely attributed to unintended user error.The customer tested the autopulse platform, and the platform functioned as intended.Therefore, service was not required to be performed by zoll.The user advisory is normally a clearable error message and is designed into the platform to alert the operator that autopulse has detected one of several conditions.Per the battery hangtag - advisory codes description and action, user advisory 18 occurs when the driveshaft has traveled past the maximum number of revolutions without detecting a patient/manikin (weight).As take-up is performed, the driveshaft moves the lifeband past the maximum allowable take-up depth without detecting a patient/manikin (weight), which results in a load change at the load plate.The take-up position is achieved when the load plates sense an additional 6 lbs.Of load compared to the pre-take-up load.The recommended actions to take for this type of user advisory are: pull up completely on the lifeband, ensure that the patient/manikin and the band are properly aligned, and press restart.
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