You need the Service level password or the supervisor level password to access the calibration mode. If the code comes up as soon as you turn on the switch, calibration will not help. One of the mini levers has lost center and needs to be replaced. First off you need to check the seat switch to make sure it is closing. The hydraulic interlock will display if the switch is open.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.