You should be able to lift the safty barrier or shield, push and hold (for 2 seconds or more) theSTOP and REVERSE buttons, This will display Total hours run, Push stop and the total hours since last service will be displayed, Push stop again to see the hours before service promp displayed. You can adjust the hours till display by pressing forward or reverse. Once in the menue by lifting the safty shield and pressing and holding stop/reverse, simply lower the shield to clear tthe total hours or hurs since last service.
Scott, December 2004