Set the car just below the bottom terminal on inspection ( 61N-low 30 and 61U HI.

make sure the valve is adjusted.

do a shaft setup reset. Menu 6-16 set to 4 then select.

do a shaft learn. Menu5-2 set to 1 then select then put car on auto.

return car to bottom terminal. Put the car on inspection. Do a learn mode. Menu 5-5 set to 1 then select then put car on auto.