11/24/2008   09:00:00: opening error log

11/24/2008   09:30:06: UPS inverter turned on

11/24/2008   09:30:19: UPS inverter turned off

11/24/2008   09:59:47: WARNING: transmitted power samples within range this period <10%. 

11/24/2008   10:00:00: closing error log