The reported device was not returned to the designated complaint unit for independent evaluation, thus functional testing could not be performed.There was a relationship found between the subject device and the reported incident.A visual inspection of the customer provided image showed the dii controller display is missing the icon indicating communication with the motor drive unit.A review of the device history records showed there were no indications to suggest that the product did not meet manufacturing specification or would not be able to perform as intended.The complaint was confirmed and the root cause has been associated with an electrical component failure.
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