The device was received for evaluation.A service history review revealed no indication that the parts replaced during servicing caused or contributed to the reported event.An internal and external inspection was completed and revealed the door cover was damaged.The event history log review showed no keystrokes, programming, or use related events that indicated and/or contributed to the reported issue.Homechoice return instrument test/evaluation (rite) electrical testing was performed and revealed no issues or errors and all tests passed.Rite functional testing was performed and the device failed accuracy confirmation.The device did not meet product specification related to the rite failure.The assignable cause was determined to be deteriorated piston foam.To correct the condition, the piston foam was replaced.The device was serviced to meet functional specification.Should additional relevant information become available, a supplemental report will be submitted.
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