Precor EFX 546i Elliptical Version 4 "stuck elevated" Questions

...of incline. getting error 42 when first turning machine on. ok elevation needs calibration or stuck open--put elevation manually lowest and turn the unit on and bring the elevation lowest by ...

546i stuck key elevation does not work Precor Error 05, Key Depressed at Power Up Probable Cause 1. A key is permanently depressed on the display. 2. An interface chip (IC) has failed in the upper PCA