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    User name P. Solvignon

    Log entry time 21:55:38 on February 9,2003

    Entry number 95723

    keyword=Half-wave plates motion is not working

    20:01 --> turned off lasers then rotated the field to 180deg. While the field was rotating, I tried to move the half-wave plates in and it failed.

    We rebooted the IOC and the motion failed again after that even by following the help instructions.

    So we asked for a controlled access.

    First I rebooted the IOC from the hall then I turned off the motor simply by unplugging it. Then tried to move the half-wave plates in by the software and still no motion.
    The position of the half-wave plates is -1000 when they are out and I think it is the problem.

    So Jian-Ping came and we moved the half-wave plates by hand.

    We will need another controll access to move them out when we will be done running at 180deg.