you need to calibrate all setting, drive and hystraulics first press s for service then press 3 for atlet service on the display shows 7 digit # press 0002468 the key board has 2 arrows for up or down for options, perss enter then go to drive test- then go to calibrate acceleration perss enter, press accelerator pedal alway down hold and press any key ones then press enter agian then press arrrow go to calibrate brake repeat, same steps as you did for the accelerator, then press enter go to calibrate drive wheel, repeat same steps then go back to drive tested use arrow go to hydraulics press enter go to calibrate lift levers press enter start with lift lever, press up n down- press enter and repeat the same for all levers if the calibration fails, you will see the massage on the display if the happens, start from the beginning if you loese track press H that will take you back one step, if you want to get out of the system press enter like 4 to 5 times then log on the lift truck and try to drive and tested the hydraulics, good luck!