Other, other text: b5: additional information received on 23-aug-2022 via email and attached in complaint object: this pump arrived in for repair with error 41541 on display.No patient involvement was noted.Error could not be cleared; sent in for repair.H6: event problem and evaluation codes: updated.H10: device evaluation: the device was returned for investigation.A visual inspection and functional test were performed.Visual inspection found the device was missing the tamper seal.Error was found in the device ehl (event history log) multiple times.The customer stated problem was duplicated.The latch lock optic flex circuit and mpu (memory protection unit) board were defective and they were replaced.The cause of the reported problem could not be determined.A dhr (device history review) was not performed because the results of the complaint investigation do not indicate a problem with the manufacture or last repair of the device.No manufacturing or service issues were identified as causes of the customer's reported problem during the review of service and repair records.Therefore, no manufacturing or service records review is needed., corrected data: d4: correction: model number: 2120.
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