Dexcom was made aware on (b)(6) 2017, that on (b)(6) 2017 the receiver experienced a display malfunction.No additional event or patient information is available.Complaint device was returned for evaluation.A visual exterior inspection was performed on the receiver and it passed.The receiver was changed and a boot test was performed on the receiver and it passed.Receiver data logs were downloaded and reviewed, finding a screen error alarm, in addition to a firmware error.Based on the finding of a firmware error this is being reported.The complaint was confirmed.The root cause could not be determined post investigation.
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