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    User name ellie

    Log entry time 11:17:43 on October 6,2009

    Entry number 293440

    keyword=High Voltage Alarm: hatsv3:2005 HV Off

    There was a high voltage alarm. The warning stated "ALARM: hatsv3:2005: POWER OFF not from GUI!!!(This state cleared by cycling HVON/HVOFF status)." The HV switch on the left (in green on the screen capture below) was turned off. Turning it to On gave the following message: "ERROR: HVComand:IndexOutOfBoundsException Exception." Crate eventuall came back up and the alarm stopped.

    Alarm came back. Followed same process as above. Alarm now off and HV GUI is On (as shown below).


    FIGURE 1