2012-10-10 (2012B-0057): 0 hrs used, 0.5 hrs lost (Telescope control problem), 0.5 hrs lost (Instrument/Reduction computer problem), 0.5 hrs lost (Telescope mechanical problem) Comment: At 3:25 am, alarm sounded. followed procedure in red book, but did not work. Called 4-m operator, and finally got scope to zenith to close mirror cover and shutter. Dials read 3h 30m HA, 32 deg Dec. Video read 0:00 and 0.00 as we were slewing to zenith. Alarm sounded. No indicated alarm. Power on. Pumps on. Drive rack reset RA button lit. No lights on bearing limit box.