Product was received for evaluation: udi (b)(4).Dhr.There is no indication that the production process may have contributed to this complaint.Failure analysis.A small semicircular dent on the bottom edge of the housing was noted during the review.The unit failed the performance test in both the horizontal and vertical orientations.Root cause.It is likely that the inability of the programmer to adjust is due to the unit being dropped.Drop tests performed on this product have confirmed that the action of dropping the unit has a significant chance of damaging the pivots in the unit.
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