28Service Manual – SC6000 04 - Control SystemHours MenuThe hours menu displays the amount of time the machine has beenactive in each of the listed categories The On Time representsthe total time that the machine has been powered up, regardlesswhether it was active or sitting neutral The remaining timesindicate how long the machine was active and performing thespecific functions. This information can be helpful when determiningwhich preventive maintenance tasks are due to be performedFaults MenuThe faults menu lists the active or past machine faults This can behelpful for troubleshooting, or for predicting a pending componentfailure For example, if a motor has a history of increasingly frequentover-current errors, it may be a sign of a pending motor failureThe information displayed is: (A) Fault occurrence number, (B)Error Code, (C) Drive-Time Hour Meter when the fault occurred,and (D) Error DescriptionThe fault history can also be cleared (available only to the technician in Service Mode) This should be doneonly if all past faults are accounted for or diagnosedKeys MenuThe Keys menu displays information about the current key, and also permits the addition or deletion ofauthorized user keys User level keys (blue keys) can be authorized or de-authorized to operate the machineHowever, if no keys have been authorized, then all user keys will be acceptedEvery key has a Hard-coded ID number (HID) This is the serial number for the key, and is also imprintedon the back of the key Supervisor level keys also contain a Soft-coded ID number (SID), which determinesthe key typeAuthorizing User Keys1 Start the machine with a supervisor key or in service mode2 Go to the Keys/Read Key menu function3 Replace the key with a user-level key to be programmed4 Press the Up arrow switch to add the key, and then the Right arrow switch to saveDeauthorizing User Keys1 Start the machine with a supervisor key or in service mode2 Go to the Keys/List Keys menu function3 Scroll to the key to be deleted in the list, and press the Right arrow switch to select it4 Press the Up arrow switch to delete the key, and then the Right arrow switch to save• If all user keys are removed from the list, then any user key will be authorized to start the machineA B CDRead KeySNBack AddFamilyTypeKey List000017FB0F4401UserNo