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    User name A. Vacheret

    Log entry time 04:39:31 on June20,2004

    Entry number 126388

    keyword=strange fan read out behavior

    We notice a raise in the readout of the fan speed value that is probably not physical because it reach a value that was around 500 Hz.
    The main target control is reading the usual value of 48 Hz. The loop temperature (7 K) I read from the video screen is stable like the other values in the main screen. Only the LOOP1 stripchart (heat_Load_LOOP1) is showing this behavior.
    We decided to restart the IOC and after the stripchart read 0 fan speed. The stripchart fan value went to zero after the IOC reboot.
    Others readout looks fine.

    FIGURE 1