As part of our manufacturing process, all device history records are reviewed and approved by quality, prior to release of product.The unit was sent to a service center for repair.Upon triage, the technician could not duplicate the customer complaint of blank display.The unit was powered up.Ac power was connected and the unit was observed to charge.A feed/flush set was connected and the unit started feeding.The unit was allowed to feed overnight.No issues were observed with the display.Recertification testing was performed and the unit passed.The unit was disassembled and visual inspection found contamination on the display and potential contamination on the main pcb.The unit has been repaired, and recertified per procedure.The unit was restored to proper operation.
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