The 55555 password is usually only applies to forklifts purchased from the rental fleet but not always. Hyster uses a different password for each year which is designated by the last letter in the VIN #. Hyster doesn't like to release the service passwords. Supervisors passwords are the same for all years but won't let you access the diagnostic features on the display.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.