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Freddy check

Discussion in 'Wiki' started by derekleffew, May 30, 2009.

  1. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

    Likes Received:
    Las Vegas, NV, USA
    A good control system will perform a "Freddy check" to ensure that the Deadman switch or enable is operating properly, and hasn't been taped down or otherwise defeated (apparently a guy named Freddy disliked holding the switch).

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